Technical Reference Manual Design and Application Guide for Honeywell Economizer Controls Put Bar Code Here 63-8594-02
Table of Contents Section 1 - Ventilation ...................................................................................1 Indoor Air Quality ...............................................................................................................................................................2 Building-Related Illness .....................................................................................................................................................
Section 6 - W7459 Economizer Module .....................................................53 W7459 Enthalpy Module Components .............................................................................................................................54 W7459A, B, C and D ........................................................................................................................................................56 W7459 Enthalpy Setpoint Chart .......................................................
Mixed or Supply Air Sensor Control Sequence ..............................................................................................................163 Carbon Dioxide Sensor ..................................................................................................................................................163 JADETM Economizer (W7220) Sensors .........................................................................................................................
iv Honeywell Economizers 63-8594-02
Section 1 - Ventilation Section 1 - Ventilation DAMPER EX. AIR DAMPER O.A.
Section 1 - Ventilation Indoor Air Quality The characteristics of the indoor climate of a building, including the gaseous composition, temperature, relative humidity, and airborne contaminants. The Arab oil embargo of 1974 caused many building designers to begin implementing energy cost reduction measures. One of these measures was to seal up the building shell to reducing exfiltration of indoor air and the resultant heat loss.
Section 1 - Ventilation Healthy Air Building-Related Illness A diagnosable illness with identifiable symptoms whose cause can be directly attributed to airborne pollutants within a building such as Legionnaires disease or hypersensitivity pnuemonitis. The American Society of Heating, Refrigeration, and Air Conditioning Engineers (ASHRAE) are engineers in the HVAC industry who establish standards for the mechanical equipment used to heat, cool and ventilate buildings.
Section 1 - Ventilation Symptoms of Inadequate Ventilation Headaches Dizziness Drowsiness Fatigue Nausea Eye Irritation Respiratory Irritation Causes of poor indoor air quality are not always caused by the design of the building. Poor or improper maintenance such as outdoor air dampers that are blocked open or completely closed, defective damper actuators or incorrectly set or malfunctioning controls may also cause inadequate ventilation.
Section 1 - Ventilation Indoor Air Ventilation Standards ASHRAE is continually updating the ventilation standard (ASHRAE 62.1) to provide guidelines for design and maintenance of buildings. These standards are recommended guidelines only and are not legal requirements. However many state and local codes use the ASHRAE standards as the basis for building codes for new construction and building occupancy. They also form a basis for litigation in indoor air quality lawsuits.
Section 1 - Ventilation Energy Standards There are four ASHRAE standards that affect energy use in buildings: Standard 90.1, Standard 90.2, Standard 100 and Standard 189. Standard 90.1 Energy Efficient Design of New Buildings covers all buildings except low-rise residential for new design and build. It has been used for all buildings in the past due to the lack of detail in Standard 100. Standard 90.
Section 1 - Ventilation Ventilation Requirements Ventilation is defined as the process of bringing outside air into a building. The four major reasons for ventilation are: 1. To ensure a healthy atmosphere for the occupants. Ventilation is used to dilute indoor contaminants and provide fresh air for breathing. 2. To pressurize the building. Positive pressure inside a building prevents infiltration of unconditioned and unfiltered outside air through openings. 3. To provide atmospheric cooling.
Section 1 - Ventilation For a single zone system VOT (outdoor ventilation) is the same as Vbz. For multiple zone systems a zone air distribution system effectiveness (E) factor needs to be used in the calculation of the VOT. See ASHRAE Standard 62.1 for method. The IAQP method is used for spaces where the designers target a specific contaminant and control the concentration level of the contaminant.
Section 1 - Ventilation Air Handler Control Loops DAMPER RETURN AIR FROM ROOM EX. AIR HEATING COIL DAMPER MIXED AIR O.A. DAMPER SUPPLY AIR TO BUILDING FILTERS COOLING COIL CONDITIONING SECTION MIXED AIR SECTION FAN FAN SECTION TERMINAL SECTION M23889A There are typically four sections of an air handler. The Mixed Air Section is where return air and outside air are combined (mixed). Note some systems’ fans may be 100% return air or 100% outside air and will not have a mixed air section.
Section 1 - Ventilation Basic Economizer Control DAMPER EXHAUST AIR RETURN AIR FROM ROOM DAMPER TR B TR1 C SO A DAMPER MOTOR + D SR + 5 1 3 2 4 X 6 D H705 ENTHALPY CONTROL DAMPER LINKAGE OUTSIDE AIR SUPPLY AIR TO BUILDING F 110 120 130 100 F 140 90 130 140 15 80 170 60 120 90 16 70 110 100 15 80 100 80 16 70 180 170 60 180 120 60 40 °F 140 PROPORTIONAL MINIMUM POSITION CONTROL FOR ECONOMIZER TWO-POSITION OUTSIDE AIR HIGH LIMIT.
Section 1 - Ventilation Mixed Air Formulas “OA” “MA” MIXED AIR SENSOR C7400S SENSOR “RA” MS3103 ACTUATOR ECONOMIZER COMMERCIAL THERMOSTAT M23917A Return Air Temperature Return Air Temperature _ _ Mixed Air Temperature Outdoor Air Temperature x 100% = Volume (%) of Outside Air Formula for Measuring the Percentage of Outside Air in an Air Handler. This formula is used to determine the percentage of outside air (by volume) being brought into a building from the outside.
Section 1 - Ventilation Outside Air Percentage Chart MIXED and RETURN AIR TEMPERATURES -29 C -20 F % O U T S I D E -23 -10 -18 0 -12 10 -7 20 -1 30 4 40 10 50 16 60 21 70 27 80 32 90 38 100 43 49 C 110 120 F 0% 0% 10% 10% 20% 20% 30% 30% 40% 40% 50% 50% 60% 60% A 70% I R 80% 70% 90% 90% O U T S I D E A I 80% R 100% -20 F -29 C % 100% -10 -23 0 -18 10 -12 20 -7 30 -1 40 4 50 10 60 16 70 21 80 27 90 32 100 38 110 120 F 43 49 C OUTSIDE AIR TEMPERATURE M25274A
Section 1 - Ventilation Example 1: Using the Outside Air Percentage Chart OUTSIDE AIR CHART MIXED AIR TEMP 59 F (15 C) OUTSIDE AIR TEMP 25 F (-4 C) RETURN AIR TEMP 70 F (21 C) MIXED and RETURN AIR TEMPERATURES -29 C -20 F -23 -10 -18 0 -12 10 -7 20 -1 30 4 40 10 50 16 60 21 70 27 80 0% 38 100 43 49 C 110 120 F Measure the return air temperature. 1 Measure the mixed air 10% temperature. This should be % done in 4 or more locations and 20% averaged.
Section 1 - Ventilation Example 2: Use of Outside Air Chart on a Warm Day OUTSIDE AIR CHART MIXED AIR TEMP 75 F (24 C) OUTSIDE AIR TEMP 84 F (29 C) RETURN AIR TEMP 71 F (22 C) MIXED and RETURN AIR TEMPERATURES -29 C -20 F -23 -10 -18 0 -1 30 4 40 10 50 16 60 21 70 27 80 30% A 70% I R 80% 90% 10% 5 6 Measure the mixed air temperature. This should be done in 4 or more locations and averaged. 20% Measure the outside air temperature.
Section 1 - Ventilation Extra Outside Air Percentage Chart MIXED AIR TEMP OUTSIDE AIR TEMP RETURN AIR TEMP OUTSIDE AIR CHART % -29 C -20 F 0% -23 -10 -18 0 -7 20 -1 30 4 40 50 10 10 50 60 16 16 60 70 21 21 70 80 27 27 80 90 32 32 90 100 38 38 100 MIXED and RETURN AIR TEMPERATURES -12 10 40 4 30% 40% 0% 43 49 C 110 120 F 60% 80% 60% 50% A 70% I R 80% 90% 110 120 F 43 49 C % 70% A I R 90% O 30% U T 40% S I 50% D E 10% 30 -1 10% 20 -7 20% 10 -12 Honeywell Economi
Section 1 - Ventilation Example 3: Minimum Ventilation Adjustment EXHAUST AIR DAMPER RETURN AIR 73˚F (23 C) DAMPER OUTSIDE AIR 30˚F (-1 C) M23910 1. Specifications: Office space - 100,000 ft2 Air handler capacity 20,000 cfm (566 m3/min.) People in area - 250 3. Ventilation percentage: 7250 cfm (205.3 m3/min)/20,000 cfm (570 m3/min) VOT maximum position= 36% 6000 cfm (169.9 m3/min)/20,000 cfm (570 m3/min) VOT Minimum position= 30% 2. Ventilation (VOT) required: = 250 x 5 cfm + 0.
Section 1 - Ventilation RETURN AIR 73˚F (23 C) FILTERS OUTSIDE AIR 30˚F (-1 C) SUPPLY AIR + S SUPPLY OR MIXED AIR SENSOR COILS FAN ADJUST THIS SETTING UNTIL THE MIXED AIR IS 62.5˚F (17 C) COMMERCIAL THERMOSTAT M23918A Return Air Temperature % of Return Air X + Outside Air Temperature % of Outside Air X = Temperature of Mixed Air 6. Use the mixed air temperature formula or the graph to determine the Demand Control Ventilation maximum MAT: 73°F (23°C) X 64% 46.7°F (8.
Section 1 - Ventilation Example 4: Ventilation Review Questions EXHAUST AIR DAMPER RETURN AIR 68˚F (20 C) 30,000 CFM (849 M3 MIN.) OUTSIDE AIR 21˚F (-6 C) M23920 4. Measure the return air temperature: 68°F (20°C) 1. Specifications: Office space - 200,000 ft2. Air handler capacity - 30,000 cfm (849 m3/min) People in area - 350 5. Measure the outside air temperature: 21°F (-6°C) 2. Ventilation required: =350 x 5 cfm per person + 0.06 cfm/ft2 x 200,000 ft2 =1750 cfm + 12,000 cfm =13750 cfm 3.
Section 1 - Ventilation RETURN AIR 68˚F (20 C) FILTERS OUTSIDE AIR 21˚F (-6 C) SUPPLY AIR + S SUPPLY OR MIXED AIR SENSOR ADJUST THIS SETTING UNTIL THE MIXED AIR IS ___˚F (___ C) CONTROLLER COMMERCIAL THERMOSTAT M23919B Return Air Temperature X % of Return Air Outside Air X % of + Temperature Outside Air = Temperature of Mixed Air 6.
Section 1 - Ventilation Economizer Cycle Definition ECONOMIZER CONTROLLER YES SINGLE STAGE COOLING OUTSIDE AIR COOL? NO OPEN OUTSIDE AIR DAMPER FIRST STAGE COOL Y1 Y2 MECHANICAL COOL 1 SECOND STAGE COOL COMMERCIAL THERMOSTAT COMPRESSOR M13816A On a First Call for Cooling From Commercial Thermostat (Y1) hold the temperature between -1F and +1F of the MAT setpoint. For example if the MAT is set to 53F, the damper will hold between 52F and 54F.
Section 1 - Ventilation Single and Two Stage Cooling With Economizer ECONOMIZER CONTROLLER YES TWO STAGE COOLING OUTSIDE AIR COOL? NO Y1 OPEN OUTSIDE AIR DAMPER FIRST STAGE COOL MECHANICAL COOL 1 Y2 SECOND STAGE COOL MECHANICAL COOL 2 COMMERCIAL THERMOSTAT COMPRESSORS M13817A On a Call for Second Stage Cooling Controller signal is routed to the economizer logic module.
Section 1 - Ventilation Honeywell Economizers 63-8594-02 22
Section 2 - Enthalpy Theory And Controllers Section 2 - Enthalpy Theory And Controllers 50 BTU/LB 116 k-J/kg 90 % % 25 BTU/LB RH 58 k-J/kg 5 20 BTU/LB 60 15 55 BTU/LB 34.8 kJ/kg 50 45 35 40 F( 27 F( 13 C F( 10 C) F( 7C ) F( 16 WE )W ET TB U F( WE 4C TB F( )W UL 2C ET ) W B BU ET LB BU LB 4 C) WE BU WE C) 60 % 69.7 k-J/kg 46.4 k-J/kg C) % 80 RH 30 BTU/LB F( 29 70 SA T 81.4 k-J/kg F( 32 C) WE T RH UR 35 BTU/LB 85 80 AT IO 92.
Section 2 - Enthalpy Theory And Controllers The Psychrometric Chart (274 meters per minute). The evaporation of the water causes the temperature to drop, this may also be referred to as the “evaporation effect.” When the temperature stops falling that is the wet bulb temperature. The sling psychrometer is a common instrument used to determine the wet bulb temperature although there are other methods now available. This is a psychrometric chart.
Section 2 - Enthalpy Theory And Controllers Relative Humidity and Saturation Relative Humidity Saturation Relative Humidity is the ratio of the measured amount of moisture in the air to the maximum amount of moisture the air can hold at the same temperature and pressure. Relative humidity is expressed in percent of saturation. Air with a relative humidity of 35%, for example, is holding 35 percent of the moisture that it is capable of holding at that temperature and pressure.
Section 2 - Enthalpy Theory And Controllers Enthalpy Latent Heat The measure of heat used in the United States today is the British Thermal Unit or BTU. This is the amount of heat required to raise the temperature of one pound of water by one degree Fahrenheit. A metric unit is the joule. There are 1055 joules per BTU. Heat required to change water to vapor (steam) without change in temperature or pressure is latent heat. It is also called heat of vaporization.
Section 2 - Enthalpy Theory And Controllers Psychrometric Chart of Enthalpy Economizer Control A standard dry bulb economizer discussed earlier causes the air handler to switch over from outside air to return air at the setpoint of the outside air high limit. This will vary based on the climate. According to ASHRAE 90.1, the changeover temperatures for the US are 65F, 70F and 75F based on the region of the country. Dry bulb economizers only control the outside air dampers based on temperature.
Section 2 - Enthalpy Theory And Controllers Single Sensor Enthalpy Control There are two enthalpy control strategies available: single and differential enthalpy control. The single enthalpy control uses one enthalpy sensor located in the outdoor air in any orientation that exposes it to freely circulating air and protects it from rain, snow and direct sunlight. The enthalpy sensor replaces the dry bulb high limit used in a standard economizer.
Section 2 - Enthalpy Theory And Controllers Two Sensor or Differential Enthalpy A dual sensor enthalpy control is equipped with the same outdoor air enthalpy sensor and an additional second enthalpy sensor in the return air. This is also referred to as differential enthalpy. On a call for cooling or when the mixed air temperature goes above the high MAT range or setpoint, additional air with the lower enthalpy, outdoor or return, is selected to be brought into the conditioning section of the air handler.
Section 2 - Enthalpy Theory And Controllers Enthalpy Control with Carbon Dioxide Sensor Most building codes allow for the option of carbon dioxide sensor-based demand control ventilation (DCV) to determine the human occupancy level of the space. Honeywell supplied controllers that combined this function with the economizer function. They were the W7212, W7340, W7460, and the W7215 economizer logic modules. All of these logic modules had inputs for a room indoor air content sensor.
Section 3 - Types of Analog Economizers Section 3 - Types of Analog Economizers There were a number of Honeywell analog enthalpy economizer modules developed since the early 1960s. Most can be replaced by the JADETM controller. They varied based on the actuator control series, mixed air circuitry and enthalpy sensor configuration.
Section 3 - Types of Analog Economizers H705 Commercial thermostat Separate Series 70 or 90 mixed air controller Mod IV actuator The H705 was the base controller since the mixed air circuitry was not included. Its function was to provide SPDT high limit switching in a separate mixed air control circuit, typically series 90.
Section 3 - Types of Analog Economizers W7459 Commercial thermostat M7405, M7415 or M8405 actuators only One enthalpy or dry bulb and one mixed/supply air sensor required. Second enthalpy sensor optional. The W7459 was similar to the H705 in that only the enthalpy high limit function is provided and the mixed air control circuit is in the M7415 actuator. This restricted the W7459 use to the M7415, M7405 and M8405 actuators and it installed directly onto them.
Section 3 - Types of Analog Economizers W6210 and W7210 Commercial thermostat Series 62 or 72 Actuator One enthalpy or dry bulb and one mixed/supply air sensor required. Second enthalpy sensor optional. The W6210 and W7210 were used with Honeywell series 62 or 72 actuators. The mixed air control circuitry that was either separate or included in the actuator in the H705 or W7459 modules was included in these economizers.
Section 3 - Types of Analog Economizers W6215, W7215 and W7460 Commercial thermostat One enthalpy or dry bulb and one mixed/supply air sensor required. Second enthalpy sensor optional. Optional room CO2 sensor on A models, additional optional outdoor CO2 sensors on B models.
Section 3 - Types of Analog Economizers W7212, W7213 and W7214 Commercial thermostat One enthalpy or dry bulb and one mixed/supply air sensor required. Second enthalpy sensor optional. Optional room CO2 sensor on A models, additional optional outdoor CO2 sensors on B models. Series 62 or 72 Direct Coupled Actuators or M7215 Actuator The W7212 DCV economizer logic module was the simplest Demand Control Ventilation economizer model.
Section 3 - Types of Analog Economizers W7340 and W7345 One enthalpy or dry bulb and one mixed/supply air sensor required. Second enthalpy sensor optional. W7340 Optional room CO2 sensor on W7340 models The W7340 was a full enthalpy economizer used in an OEM unit to provide a totally integrated control system. The W7345 provided temperature (OAT) control only; it did not have an option for a return air sensor, DCV sensor or exhaust control.
Section 3 - Types of Analog Economizers Analog Economizer Features Economizer DCV OAQ Module Enthalpy Sensor Sensor Series High Limit (Indoor) (Outdoor) H705 W7459 YES W6210 YES W7210 YES W6215 W7215 W7460 W7212 W7340 W7345 63-8594-02 Honeywell Economizers YES YES YES YES YES YES YES YES YES YES Exhaust Shutdown Fan and Air Motors Setpoint Change Purge Controlled Series 90 Series 90 Series 90 M7405 M8405 M7415 M7415 Series 62 Series 62 Series 72 Series 72 Adjustable YES YES Series 62 Adjustable YES Y
Section 3 - Types of Analog Economizers Transformer Wiring Requirements for Analog Economizers ECONOMIZER LOGIC PANEL W7459, W6210, W6215, W7210, W7215, W7460 PRIMARY VOLTAGE TR TR1 CONTACT FOR COOLING IN COMMERCIAL THERMOSTAT 1S SWITCHES WHEN POWERED BY 24 VOLTS 1S 2 1 RELAY COIL FOR FIRST STAGE OF COOLING 1K 1S1 THIS SWITCH ENERGIZES THE MIXED AIR CIRCUIT M13822A Economizer Panel Supplied With Same Transformer As Cooling Commercial Thermostat.
Section 3 - Types of Analog Economizers When wiring any economizer it is very important that you read the notes on the correct wiring diagram. The wiring diagrams normally show the internal connections of the logic module to help guide you if you are concerned with the common side of the transformers. 63-8594-02 Honeywell Economizers 40 A rule of thumb to follow any Honeywell electronic economizer logic module will have all terminals ending with a 1 as ground.
Section 4 - H705 Economizer Module Section 4 - H705 Economizer Module 41 Honeywell Economizers 63-8594-02
Section 4 - H705 Economizer Module H705 Economizer Module H705 ENTHALPY CONTROL DAMPER EXHAUST AIR RETURN AIR FROM ROOM DAMPER OUTSIDE AIR SENSOR TR B A SUPPLY AIR TO BUILDING TR1 C SO + SR + D 5 1 2 3 4 6 D X FAN COILS DAMPER ACTUATOR SUPPLY OR MIXED AIR SENSOR 2 HEAT 1 3 HEAT 100 80 3 COOL 2 HEAT 1 120 60 40 °F 140 MINIMUM POSITION CONTROL.
Section 4 - H705 Economizer Module H705 Components WIRES TO C7400 ENTHALPY SENSOR ON THE BACK OF PLATE ENTHALPY SETPOINT C7400 ENTHALPY SENSOR ON BACK OF PLATE TR B ENTHALPY CONTROLLER ON FRONT OF PLATE C A TR1 SO D SR 3 2 ENTHALPY CONTROLLER 1 RESISTOR THAT IS REMOVED IF SECOND ENTHALPY SENSOR IS INSTALLED M23915A The H705A Enthalpy Controller base configuration was single sensor enthalpy controller but could be used for differential enthalpy.
Section 4 - H705 Economizer Module H705 Enthalpy Setpoint 50 BTU/LB 116 k-J/kg 90 % 80 AT 25 BTU/LB RH 58 k-J/kg % 50 A 46.4 k-J/kg 15 BTU/LB 34.8 kJ/kg C D F( 27 60 % 69.7 k-J/kg 20 BTU/LB B 50 45 55 F( 10 60 F( 16 C F( 13 C) WE 4 ) WE TB UL B TB UL C) F( WE 7C TB )W F UL 35 (4 ET C) B F( BU WE 2C L ) W B TB ET UL BU B LB 40 ) WE % 80 RH 30 BTU/LB F( 29 C 70 SA T 81.4 k-J/kg F( 32 C) WE TB UL B RH UR 35 BTU/LB 85 % IO 92.
Section 4 - H705 Economizer Module H705 Wiring Diagram TRANSFORMER L1 (HOT) MIXED AIR DAMPER MOTOR T1 L2 T2 W R B H705 ENTHALPY CONTROL TR B A C W TR1 TR SO D 100 80 SR 120 TR1 W 40 °F 3 2 R 60 140 F SR 620 OHM RESISTOR 1 R 120 130 140 15 80 16 70 170 60 MINIMUM POSITION CONTROL 180 B T991 MIXED AIR CONTROL 2 ENTHALPY DECREASE 110 100 90 + 1 3 NC C NO RELAY RC NC Y1 C NO Y2 COOLING COMMERCIAL THERMOSTAT T1 L1 COOLING CONTACTOR T2 L2 M13818A The H705 ent
Section 4 - H705 Economizer Module TR L1 (HOT) L2 1 W936 OR W945 ELECTRONIC PANEL TR E1 T1 M745 ECONOMIZER MOTOR 1 3 L1 (HOT) L2 1 TR 2 TR 3 R E3 E2 OPTIONAL MORNING WARMUP COMMERCIAL THERMOSTAT W H705A OPTIONAL C7400A TR 2 620 TR1 OHMS SR S 3 W 4 R B 2 1 S963A OR Q209 MINIMUM POSITION POTENTIOMETER 1 PROVIDE DISCONNECT MEANS AND OVERLOAD PROTECTION AS REQUIRED.
Section 4 - H705 Economizer Module T7300 THERMOSTAT T7300 SUBBASE EXISTING HVAC EQUIPMENT OPTIONAL C7400A RH H705A TR1 TR 6 2 SR 620 OHMS S RC HVAC EQUIPMENT TERMINAL STRIP L1 L2 (HOT) 9 SYSTEM TRANSFORMER R 3 1 2 3 3K 4 X Y1 C2 Y2 Y2 C1 W1 HEAT 1 W2 HEAT 2 Y1 H2 W2 H1 FAN G W1 4 5 FAN COOL1 COM 8 LED 1 BLACK/ YELLOW BLACK/RED G COOL 2 W LED 2 TYPICAL W859D ECONOMIZER CONTROL PACKAGE MIXED AIR TEMPERATURE CONTROLLER B1 A1 BLUE W R OUTDOOR AIR CHANGEOVER SWITCH B
Section 4 - H705 Economizer Module 63-8594-02 Honeywell Economizers 48
Section 5 - M74XX Black Motor Section 5 - M7XXX Black Motor 49 Honeywell Economizers 63-8594-02
Section 5 - M74XX Black Motor M7215, M7415, M7405 and M8405 Actuators rooftop air handlers since the operating temperature rating is -25 to 125°F (-32 to 52°C). TR 24 VAC SENSOR TR1 T T1 MIN POS M7215 modulating motor, with 2-10 Vdc input required. P1 P M13856A M7215 modulating motor. Used with W7212, W7213, W7214 or W7220 only M7415 W7459A TR TR1 TR 24 VAC T T1 P1 P TR1 SENSOR T T1 P1 MIN POSN P M23890 The M7XXX line of spring return actuators are: • Low torque 25 lb-in. (2.
Section 5 - M74XX Black Motor to an economizer control strategy approved by the local or state authority having jurisdition. T MAX SW SET MIN TR 24 VAC TR1 X D M3 W7401 M2 M1 M23893 MIN POS P1 M8405 3-position actuator. Used with W7459C only. P M23892 M7405 modulating motor. Used with W7459B and W7400/T7400 only.
Section 5 - M74XX Black Motor 63-8594-02 Honeywell Economizers 52
Section 6 - W7459 Economizer Module Section 6 - W7459 Economizer Module FOR USE WITH M7415 SERIES ACTUATORS 53 Honeywell Economizers 63-8594-02
Section 6 - W7459 Economizer Module W7459 Enthalpy Module Components W7459 ENTHALPY CONTROL DAMPER EXHAUST AIR + S RETURN AIR SENSOR RETURN AIR FROM ROOM DAMPER OUTSIDE AIR SENSOR SUPPLY AIR TO BUILDING + S COILS DAMPER LINKAGE TR B FAN MIXED AIR SENSOR TR1 C A SO + SR + D 5 1 2 3 4 T T1 P P1 TB8220 COMMERCIAL PRO MINIMUM POSITION OPEN M7415 DAMPER ACTUATOR WITH W7459 ENTHALPY CONTROLLER M23907 The W7459 is used in conjunction with a Honeywell actuator (M7415) and sensors
Section 6 - W7459 Economizer Module Table 1. Economizer Usage Model W7459A W7459B W7459C For use with Discharge Air Actuator Temperature Input M7415 C7510B or C7046A Sensor M7405A Direct digital control W7401/W7411 Logic Panel M8405 SPST control W7459Da M7415 a C7150B or C7046A Sensor Minimum Position Potentiometer Yes Terminals for Remote Minimum Output Damper Position Relays Yes 2 SPDT Yes Yes 1 SPDT No. Minimum position No adjustment is built into M8405 Actuator.
Section 6 - W7459 Economizer Module W7459A, B, C and D ENTHALPY CHANGEOVER SETPOINT DIAL B A TR TR1 TRANSFORMER (POWER) TERMINALS SO + OUTSIDE AIR SENSOR TERMINALS SR + RETURN AIR SENSOR TERMINALS C B D A TR TR1 SO + SR + M3 3 2 1 M2 M1 P P1 C D 5 MININUM POSITION DIAL (W7459A AND D ONLY) LIGHT IS ILLUMINATED IF OUTDOOR AIR IS USEABLE FOR FREE COOLING 2 3 4 T T1 MIXED OR SUPPLY AIR SENSOR P P1 REMOTE MINIMUM POSITION POTENTIOMETER MINIMUM POSITION OPEN COOLING SWIT
Section 6 - W7459 Economizer Module W7459 Enthalpy Setpoint Chart 50 BTU/LB 116 k-J/kg RH RH IO 92.8 k-J/kg 58 k-J/kg 50 A 46.4 k-J/kg 15 D 35 40 °F ( 2 °C B C 45 °F ( )W 29 RH 25 BTU/LB BTU/LB 34.8 kJ/kg °F ( °F ( 27 60 % 69.7 k-J/kg 20 BTU/LB 50 °F ( 4 °C ET 7 °C )W ET BU 55 °F °F ( )W 60 10 °C ) ET BU LB ( 13 °F ( °C ) 16 °C ) WE WE BU WE WE °C ) TB UL WE % 80 RH 30 BTU/LB °C ) TB U 70 SA T 81.
Section 6 - W7459 Economizer Module If the return air were to the left of the enthalpy curve, you would use the enthalpy curve instead of the return air conditions. For example, if the return air conditions were between D and C and the outdoor was to the right of the A AND the potentiometer was set to B, you would use the B curve instead of the return air. If the outdoor air conditions were to the left of the return air you would use the outdoor air.
Section 6 - W7459 Economizer Module W7459A Wiring Diagram W7459A ECONOMIZER MODULE C7400 OURDOOR AIR ENTHALPY SENSOR M7415 ACTUATOR TR TR TR1 24 VAC 1 + S SO + TR1 SR + S RELAYS 1K AND 2K ENERGIZE IF OUTDOOR ENTHALPY EXCEEDS RETURN AIR ENTHALPY C7400 RETURN AIR ENTHALPY SENSOR 1S + 5 1 2 3 4 T T1 T MIXED AIR SENSOR 1K 1S SWITCHES WHEN POWERED BY 24 VOLTS 2K 1S1 T1 P1 MINIMUM POSITION P P P1 MINIMUM POSITION ADJUSTMENT C7150 OR C7046 MIXED OR SUPPLY AIR SENSOR LOW O.A.
Section 6 - W7459 Economizer Module W7459A ECONOMIZER PACKAGE M7415 ACTUATOR TR C7400 OUTDOOR + AIR ENTHALPY S SENSOR 620 OHM RESISTOR TR TR1 SO + SR + TR1 24 VAC 6 5 1K 1 2 3 4 5 1S 2K 4 T UNOCCUPIED C7150B MIXED AIR OR C7046A DISCHARGE AIR SENSOR 8 ST6008 TIMER T T1 P P1 T1 1S1 P1 MINIMUM POSITION ADJUSTMENT OCCUPIED MIXED AIR SENSOR P MINIMUM POSITION M7415 C Y1 W Y2 R W2 T6031 AMBIENT LOCKOUT CONTROL 50 F SETPOINT Y1 COOL 1 Y2 COOL 2 TR 24 VAC SENSOR TR1 T
Section 6 - W7459 Economizer Module W7459A ECONOMIZER PACKAGE M7415 ACTUATOR TR C7400 OUTDOOR AIR ENTHALPY SENSOR TR TR1 SO + SR + TR1 24 VAC + S 620 OHM RESISTOR 6 5 1K 1 2 3 4 5 1S 2K 4 T C7150B MIXED AIR OR C7046A DISCHARGE AIR SENSOR 8 UNOCCUPIED ST6008 TIMER T T1 P P1 T1 1S1 P1 MINIMUM POSITION ADJUSTMENT OCCUPIED W R T6031 AMBIENT LOCKOUT CONTROL 50 F SETPOINT M7415 Y1 COOL 1 Y2 COOL 2 TR 24 VAC SENSOR T P1 MIN POS + P 2 NC C NO NC C NO TR1 T1 7 C MINI
Section 6 - W7459 Economizer Module 63-8594-02 Honeywell Economizers 62
Section 7 - W6210 And W7210 Economizer Modules Section 7 - W6210 And W7210 Economizer Modules 63 Honeywell Economizers 63-8594-02
Section 7 - W6210 And W7210 Economizer Modules W7210 Economizer System Components DAMPER EXHAUST AIR + S RETURN AIR SENSOR RETURN AIR FROM ROOM OUTSIDE AIR SENSOR SUPPLY AIR TO BUILDING + S FAN DISHCHARGE AIR SENSOR COILS 24 VAC HOT W7210 A 1001 24 VAC COM W7210 SOLID STATE ECONOMIZER LOGIC MODULE + 2-10V OUT – T7350 PROGRAMMABLE THERMOSTAT M23902A 63-8594-02 Honeywell Economizers 64
Section 7 - W6210 And W7210 Economizer Modules W6210 and W7210 Components SINGLE ENTHALPY SETPOINT 24 VAC HOT 24 VAC TR HOT B C 24 VAC COM W7210 A 1001 ACTUATOR POWER SUPPLY TERMINALS A 24 VAC POWER TERMINALS SO + OUTSIDE AIR ENTALPY SENSOR D SR + RETURN AIR ENTHALPY SENSOR 5 COOLING SWITCHING CONTROLLED FROM COOLING STAT 1 + ACTUATOR TERMINALS TR COM1 MINIMUM POSITION 2-10V OUT 3 4 T T1 P P1 OPEN – 2 MINIMUM DAMPER POSITION SETPOINT MIXED AIR SENSOR REMOTE MINIMUM POSITION POT
Section 7 - W6210 And W7210 Economizer Modules W7210 Actuator Connections 60 30 90 60 PARALLEL MS7503 or MS7505 ACTUATORS W7210 OR W7215 ECONOMIZER MODULE 60 30 0 24 VAC HOT 90 60 W7210 OR W7215 ECONOMIZER MODULE 30 500 500 0 60 60 30 500 30 500 90 30 0 24 VAC HOT 500 SINGLE MS7503 or MS7505 ACTUATOR 24 VAC COM 500 24 VAC COM RED BLACK WHITE + + 2-10V OUT RED 2-10V OUT RED BLACK WHITE _ BLACK _ WHITE M13824A 63-8594-02 Honeywell Economizers 66
Section 7 - W6210 And W7210 Economizer Modules W7210 Wiring Diagrams W7210A,D 24 VAC HOT C7400 OUTDOOR AIR ENTHALPY SENSOR TR TR1 SO + SR + HONEYWELL SERIES 72 ACTUATOR 24 VAC COM (ML7275, ML7285, ML7295A,C M7275, M7285) + S 620 OHM RESISTOR 9 6 5 1K C7150B MIXED AIR OR C7046A DISCHARGE AIR SENSOR UNOCCUPIED 8 ST6008 TIMER 1 2 3 4 T T1 P P1 5 1S 2K + + 4 2-10V OUT 1S1 – MINIMUM POSITION ADJUSTMENT OCCUPIED C Y1 COOL 1 Y2 COOL 2 W2 W2 HEAT 2 W1 W1 HEAT 1 Y1 W Y2
Section 7 - W6210 And W7210 Economizer Modules 63-8594-02 Honeywell Economizers 68
Section 8 - W6215, W7215 And W7460 Economizer Modules Section 8- W6215, W7215 And W7460 Economizer Modules 69 Honeywell Economizers 63-8594-02
Section 8- W6215, W7215 And W7460 Economizer Modules W7215 System Components DAMPER EXHAUST AIR + S RETURN AIR SENSOR RETURN AIR FROM ROOM OUTSIDE AIR SENSOR SUPPLY AIR TO BUILDING + S FAN MIXED AIR COILS SENSOR W7215 ECONOMIZER LOGIC MODULE – T7350 PROGRAMMABLE THERMOSTAT W7215B + C7232 ROOM CARBON DIOXIDE SENSOR M23903A 63-8594-02 Honeywell Economizers 70
Section 8 - W6215, W7215 And W7460 Economizer Modules W6215, W7215 and W7460 Components FREE COOLING MODE LIGHT MINIMUM DAMPER POSITION SETPOINT SINGLE ENTHALPY SETPOINT 24VAC TR Hot B C 24VAC Hot ACTUATOR POWER SUPPLY TERMINALS 24VAC Com A TR1 Com D So Sr + OUTSIDE AIR ENTHALPY SENSOR + RETURN AIR ENTHALPY SENSOR 5 1 + CONTACT OUTPUTS – 2 Mininum Position 3 4 T T1 P P1 Open W7215A ACTUATOR CONTROL TERMINALS 2-10V OUT Free Cool Maximum Position Free Cool Q Closed 6V AQ + Exh
Section 8- W6215, W7215 And W7460 Economizer Modules W6215, W7215, W7460 Inputs and Outputs This series of economizer modules includes input and output contacts for use in controlling the fans and conditioning equipment on the air handler. Some of these contacts are not available on all modules.
Section 8 - W6215, W7215 And W7460 Economizer Modules Minimum and Maximum Settings DAMPER POSITION Mininum Position 3 Open 100% OPEN 4 T T1 P P1 C7150 OR C7046 MIXED OR SUPPLY AIR SENSOR 100 80 120 60 Free Cool Maximum Position Q 40 °F 120 60 40 Closed 6V AQ 2V 10V REMOTE MINIMUM POSITION CONTROL DCV MIN POSITION CODE VENTILATION RATE 100 80 Q1 140 °F 140 REMOTE MINIMUM POSITION CONTROL MIN POS AQ1 AN1 C7232 OR C7632 DCV CO2 SENSOR GND 0% OPEN 450 PPM ppm 800 PPM 2000 PPM
Section 8- W6215, W7215 And W7460 Economizer Modules Indoor Air Content Sensor Settings 24VAC TR Hot B C 24VAC Hot 24VAC Com A ECONOMIZER MODULE WITH DCV SENSOR INPUT TR1 Com D So Sr C7242 INDOOR AIR CONTENT CO2 SENSOR + + 5 1 + – Free Cool Alarm 4 T T1 P P1 Open W7215B 2-10V OUT Exhaust Fan Indoor Fan DCV SENSOR INPUT ON TEMINALS AQ AND AQ1 Free Cooling Maximum Position Q Q1 Close 6V AQ + AQ1 10V 2V Unit Control 2 Mininum Position 3 – ISI Set Pt SD SD1 AC AC1 6V 0A 0
Section 8 - W6215, W7215 And W7460 Economizer Modules Carbon Dioxide Sensor Setup CO2 Sensors Wall Mount With Relay Display C7242A1030 No Display C7242A1048 Wall Mount Duct Mount Outside Air C7242A1014 C7242B1012 Not Available C7242A1022 C7242B1020 C7232E1007 A1 Output A2 Output 0 Vdc = 500 ppm Relay Output: (2 Vdc = 800 ppm) and 0 to 800 ppm = Open, 10 Vdc = 2,00 ppm More than 800 ppm = Closed, Reopens at less than 700 ppm Analog Sensor Mode: 0 Vdc = 500 ppm (2 Vdc = 800 ppm) and 10 Vdc = 2,000 ppm
Section 8- W6215, W7215 And W7460 Economizer Modules Outdoor Air Content Sensor Outdoor Air Content Sensor DCV Below Below Setpoint Setpoint Above Setpoint Above Setpoint Below Setpoint Above Setpoint Mixed Air Damper Actuator Modulation based on signal from mixed air temperature sensor. Modulation between minimum and maximum positions based on signal from either mixed air or indoor air content sensors, whichever signal is higher. Closed fully.
Section 8 - W6215, W7215 And W7460 Economizer Modules W6215, W7215 and W7460 Actuator Usage MS7503 OR MS7505 ACTUATOR 60 30 90 W7210 OR W7215 ECONOMIZER MODULE W7210 OR W7215 ECONOMIZER MODULE 60 M7415 ACTUATOR 30 500 0 24 VAC 500 24 VAC COM TR1 24 VAC HOT 24 VAC COM SENSOR T 1 T1 P1 MIN POSN P RED < + _ BLACK WHITE L2 L1 TR 24 VAC HOT Q769C MINIMUM POSITION POTENTIOMETER + + 2-10V OUT _ 2-10V OUT 1 _ M13830A The W7460 can only be used with the M7415 actuator.
Section 8- W6215, W7215 And W7460 Economizer Modules W6215, W7215 and W7460 Wiring Diagram W7215A 24 VAC HOT HONEYWELL SERIES 72 ACTUATOR 24 VAC COM (ML7275, ML7285, ML7295A,C M7275, M7285) TR TR1 SO + SR + 620 OHM RESISTOR 6 5 1K 1S 2 3 4 T T1 P P1 Q Q1 AQ AQ1 C7150B MIXED AIR OR C7046A DISCHARGE AIR SENSOR 2K + 2-10 VDC OUT – 1 1S1 – 9 9 4 + C7400 + OUTDOOR AIR S ENTHALPY SENSOR MINIMUM POSITION ADJUSTMENT 5 FREE COOL MAXIMUM POSITION ADJUSTMENT – + UNIT CONTROL
Section 8 - W6215, W7215 And W7460 Economizer Modules W7215A 24 VAC HOT HONEYWELL SERIES 72 ACTUATOR 24 VAC COM (MS7503 OR MS7505) TR TR1 SO + SR + C7400 OUTDOOR AIR ENTHALPY SENSOR + S 620 OHM RESISTOR 5 5 1S 1K 4 2-10V OUT – 3 4 T T1 P P1 C7150B MIXED AIR OR C7046A DISCHARGE AIR SENSOR 1S1 – 5 2 2K + + 1 MINIMUM POSITION ADJUSTMENT FREE COOL MAXIMUM POSITION ADJUSTMENT Q Q1 AQ AQ1 T6031 AMBIENT LOCKOUT CONTROL 50 F SETPOINT – + UNIT CONTROL EXHAUST FAN INDOOR FAN
Section 8- W6215, W7215 And W7460 Economizer Modules W7460A TR TR1 SO + SR + + S 620 OHM RESISTOR 5 1K 1S 3 P1 M7415 OUT P TR1 TR 1 L1 1 (HOT) 4 T T1 P P1 C7150B MIXED AIR OR C7046A DISCHARGE AIR SENSOR 1S1 Ð MINIMUM POSITION ADJUSTMENT FREE COOL L2 3 2K + MAXIMUM POSITION ADJUSTMENT T6031 AMBIENT LOCKOUT CONTROL 50 F SETPOINT Q Q1 AQ AQ1 _ + UNIT CONTROL SD SD1 SHUT DOWN EXHAUST FAN AC AC1 AIR CHANGE INDOOR FAN PG PG1 PURGE POWER SUPPLY.
Section 9 - W7212, W7213 and W7214 Economizer Modules Section 9 - W7212, W7213 and W7214 Economizer Modules 81 Honeywell Economizers 63-8594-02
Section 9 - W7212, W7213 and W7214 Economizer Modules W7212 Economizer System Components DAMPER EXHAUST AIR + S RETURN AIR SENSOR RETURN AIR FROM ROOM DAMPER OUTSIDE AIR SENSOR SUPPLY AIR TO BUILDING + S MIXED AIR SENSOR COILS FAN W7212 ECONOMIZER CONTROLLER WITH DEMAND CONTROL VENTILATION C7632 ROOM CARBON DIOXIDE SENSOR TB8220 COMMERCIAL PRO 63-8594-02 Honeywell Economizers M23900A 82
Section 9 - W7212, W7213 and W7214 Economizer Modules W7212, W7213, and W7214 Components The W7212 DCV economizer logic module was the simplest and most popular analog economizer. It combined all of the benefits of the W7459 and W7210 with the some features of the W7215. It did not include shutdown, air change and purge but had an “N” terminal for occupancy. On W7213 and W7214 models N terminal is either B or O terminal for use with heat pumps.
Section 9 - W7212, W7213 and W7214 Economizer Modules All other inputs are same as other logic modules, for space consideration the enthalpy sensor terminals were moved to left side of control. The exhaust setpoint determines when the exhaust fan runs based on damper position. When the exhaust fan call is made, the module provides a 60 ±30 second delay before exhaust fan activation. This delay allows the damper to reach the appropriate position to avoid unnecessary fan overload.
Section 9 - W7212, W7213 and W7214 Economizer Modules When the mixed air sensor takes control based on an increased requirement for cooling, it overrides the DCV maximum position potentiometer and can drive the damper full-open. Free cool LED illuminates when outdoor air is suitable for free cooling whether Y1 from the commercial thermostat is calling for cooling or not.
Section 9 - W7212, W7213 and W7214 Economizer Modules 5. Connect 24 Vac across terminals TR and TR1. 6. Carefully adjust the potentiometer on the face of the device with a small screwdriver until the mixed air temperature reaches the calculated value. NOTE: Ensure that the sensed air is well mixed. 7. If all minimum and maximum position adjustments are complete, remove the T-T1 jumper and reconnect the mixed air sensor.
Section 9 - W7212, W7213 and W7214 Economizer Modules W7212, W7213, and W7214 Wiring Diagram TR TR1 24 Vac HOT 24 Vac COM N1 N 24 VAC HOT MINIMUM POSITION ADJUSTMENT P1 C7150B MIXED AIR OR C7046A DISCHARGE AIR SENSOR P T1 + AQ1 – 2-10 VDC CONTROL SIGNAL OUTPUT 1 2-10 VDC INDOOR AIR SENSOR – T 24 VAC COM 2 5 AQ + SO+ 3 4 EF EF1 SO SR+ M7215 SR C7400 OUTDOOR + AIR ENTHALPY S SENSOR W7212 4 5 620 OHM RESISTOR L1 (HOT) L2 EXHAUST FAN Y1 C Y2 Y1 COOL 1 W2 Y2 COOL 2 W2
Section 9 - W7212, W7213 and W7214 Economizer Modules TR TR1 24 Vac HOT 24 Vac COM N1 N 24 VAC HOT MINIMUM POSITION ADJUSTMENT P1 P C7150B MIXED AIR OR C7046A DISCHARGE AIR SENSOR T1 + AQ1 – 2-10 VDC CONTROL SIGNAL OUTPUT 1 2-10 VDC INDOOR AIR SENSOR – T 24 VAC COM 2 5 AQ + SO+ 3 4 EF EF1 SO SR+ M7215 SR C7400 OUTDOOR + AIR ENTHALPY S SENSOR W7212 4 5 620 OHM RESISTOR L1 (HOT) L2 EXHAUST FAN Y1 C Y2 Y1 COOL 1 W2 Y2 COOL 2 W2 HEAT 2 W1 HEAT 1 W1 3 A A G R G
Section 9 - W7212, W7213 and W7214 Economizer Modules TR TR1 24 Vac HOT 24 Vac COM N1 ~ N 1 2 + 3 4 F 5 MINIMUM POSITION ADJUSTMENT P1 C7150B MIXED AIR OR C7046A DISCHARGE AIR SENSOR P T1 + 1K 1S MS7XXX HONEYWELL ACTUATOR 2-10 VDC INDOOR AIR SENSOR – T 3 AQ1 – 1 2K 2 5 AQ + SO+ 3 4 EF EF1 1S1 SO SR+ SR C7400 OUTDOOR + AIR ENTHALPY S SENSOR W7212 5 7 620 OHM RESISTOR C Y1 COOL 1 Y2 COOL 2 W2 W2 HEAT 2 W1 W1 HEAT 1 Y1 W Y2 R T6031 AMBIENT LOCKOUT CONT
Section 9 - W7212, W7213 and W7214 Economizer Modules ~ 1 2 + 5 3 O TR TR1 24 Vac HOT 24 Vac COM N 4 F MINIMUM POSITION ADJUSTMENT P1 5 P MS7XXX HONEYWELL ACTUATOR T1 C7150B DISCHARGE AIR SENSOR + 1 2-10 VDC INDOOR AIR SENSOR – T AQ1 – 2 4 AQ + SO+ 3 5 EF EF1 SO SR+ SR W7214 3 2 620 OHM RESISTOR C7400 OUTDOOR + AIR ENTHALPY S SENSOR A3 4 C A2 Y1 Y1 COOL 1 Y2 Y2 COOL 2 W2 W2 HEAT 2 W1 W1 HEAT 1 G G FAN RH L1 (HOT) L2 EXHAUST FAN L2 R RC 1 L1 (HOT
Section 9 - W7212, W7213 and W7214 Economizer Modules COMMERCIAL THERMOSTAT DISCHARGE AIR SENSOR DIRECT EXPANSION COIL 2 C7046A C7232 W7212, W7213, W7214 C7150B DCV SENSOR 2 1 MIXED AIR SENSOR INDOOR FAN C7400 ENTHALPY SENSOR HONEYWELL ACTUATOR DISCHARGE AIR OUTDOOR AIR 1 C7400 1 2 ENTHALPY SENSOR FOR DIFFERENTIAL ENTHALPY, THE TWO C7400 ENTHALPY SENSORS ARE CONNECTED TO THE ECONOMIZER LOGIC MODULE—ONE IS MOUNTED IN RETURN AIR, AND THE OTHER IS MOUNTED IN OUTDOOR AIR.
Section 9 - W7212, W7213 and W7214 Economizer Modules 63-8594-02 Honeywell Economizers 92
Section 10 - W7340 and W7345 Economizer Module Section 10 - W7340 and W7345 Economizer Module 93 Honeywell Economizers 63-8594-02
Section 10 - W7340 and W7345 Economizer Module W7340 Economizer System Components DAMPER EXHAUST AIR RETURN AIR FROM ROOM RETURN AIR SENSOR OUTSIDE AIR SENSOR SUPPLY AIR TO BUILDING MIXED AIR SENSOR COILS FAN W7220 ECONOMIZER CONTROLLER WITH DEMAND CONTROL VENTILATION C7632 ROOM CARBON DIOXIDE SENSOR M13836A 63-8594-02 Honeywell Economizers 94
Section 10 - W7340 and W7345 Economizer Module 10K NTC DISCHARGE AIR SENSOR MODBUS C7232 2 DIRECT EXPANSION COIL MIXED AIR SENSOR 10K NTC C7400 2 INDOOR FAN INDOOR AIR CO2 SENSOR 1 3 ENTHALPY SENSOR DISCHARGE AIR OUTDOOR AIR M7215 MOTOR WITH W7340 ECONOMIZER LOGIC MODULE 1 C7400 1 3 FOR DIFFERENTIAL ENTHALPY, THE TWO C7400 ENTHALPY SENSORS ARE CONNECTED TO THE ECONOMIZER MODULE—ONE IS MOUNTED IN THE RETURN AIR DUCT, AND THE OTHER IS MOUNTED IN THE OUTDOOR AIR DUCT.
Section 10 - W7340 and W7345 Economizer Module W7340 and W7345 Components The W7340 is a full enthalpy economizer used in a Trane unit to provide a totally integrated control system. The W7345 provides temperature (OAT) control only; it does not have an option for a RAT, DCV sensor or exhaust control. The W7340, when wired as shown below responds to a signal from a modified Modbus command. This system uses C7400 Solid State Enthalpy Changeover Sensor(s).
Section 10 - W7340 and W7345 Economizer Module W7340 only Demand Control Ventilation (DCV) Sensor Input (W7340 only) To measure enthalpy, the logic module accepts signals from either: • C7600C Humidity and 10K NTC temperature sensors. • or a C7400 Enthalpy Sensor. • OR from the Trane controller via modified Modbus communications link. When using C7400 Enthalpy Sensors; connect the enthalpy sensors to the humidity sensor terminals; leave the temperature sensor terminals empty.
Section 10 - W7340 and W7345 Economizer Module will drive to the minimum position ventilating for building contaminants and the building occupants. The W7340C does not have a separate potentiometer to select the new DCV minimum damper position. The following procedure allows the installer to set the new DCV minimum position.
Section 10 - W7340 and W7345 Economizer Module Settings and Adjustment MIN POS/DCV MIN DAMPER POSITION W7345 ExF 2-10 VDC DAMPER POSITION 2-10 VDC DAMPER POSITION OVERRIDE MAT Potentiometers located on the face of the W7345, provide adjustments for Minimum Damper Position parameters (see below).
Section 10 - W7340 and W7345 Economizer Module 46 85 90 95 100 105 110 (29) (32) (35) (38) (41) (43) 44 CONTROL CONTROL POINT APPROX.
Section 10 - W7340 and W7345 Economizer Module Wiring for W7340 and W7345 MOD BUS – MOD BUS + 2-10 Vdc FEEDBACK OUTPUT 2-10 Vdc CONTROL SIGNAL INPUT M7215 24 VAC TR1 TR W7340 MOD BUS POWER EXHAUST CONTACTOR – C7600C OUTDOOR AIR HUMIDITY 3 MIXED AIR TEMP SENSOR 10K NTC TR TR1 3 L2 1 P DCV 3 RAH MAT EXF + L1 + + DCV SETPOINT E OAH A RAT MIN POS/ DCV MIN – – P1 + – 2-10 Vdc CONTROL SIGNAL OUTPUT C D B OAT + – 2-10 Vdc FEEDBACK INPUT 24 VAC + – + RETURN AIR TEMP SENSOR 10K
Section 10 - W7340 and W7345 Economizer Module 63-8594-02 Honeywell Economizers 102
Section 11 - W7220 JADE™ Economizer Module Section 11 - W7220 JADE™ Economizer Module 103 Honeywell Economizers 63-8594-02
Section 11 - W7220 JADE™ Economizer Module W7220 Economizer System Components DAMPER EXHAUST AIR RETURN AIR FROM ROOM RETURN AIR SENSOR OUTSIDE AIR SENSOR SUPPLY AIR TO BUILDING MIXED AIR SENSOR COILS FAN W7220 ECONOMIZER CONTROLLER WITH DEMAND CONTROL VENTILATION C7632 ROOM CARBON DIOXIDE SENSOR M13836A 63-8594-02 Honeywell Economizers 104
Section 11 - W7220 JADE™ Economizer Module DIRECT EXPANSION COIL C7400S MIXED AIR SENSOR INDOOR FAN DISCHARGE AIR 1 C7250 ENTHALPY SENSOR M7215 MOTOR W7220 ECONOMIZER CONTROLLER OUTDOOR AIR C7400S 1 ENTHALPY SENSOR EXHAUST FAN 1 FOR DIFFERENTIAL ENTHALPY, THE TWO C7400S ENTHALPY SENSORS ARE CONNECTED TO THE ECONOMIZER MODULE—ONE IS MOUNTED IN THE RETURN AIR DUCT, AND THE OTHER IS MOUNTED IN THE OUTDOOR AIR DUCT.
Section 11 - W7220 JADE™ Economizer Module W7220 Components The W7220 is a full function economizer used to provide a totally integrated control system.The JADE™ Economizer System is an expandable economizer control system, which includes a W7220 Economizer Module (controller) with an LCD and keypad. The W7220 can be configured with optional sensors.
Section 11 - W7220 JADE™ Economizer Module Each Sylkbus sensor includes a two pin side connector with the packaging. The SKU number of the Sylkbus sensor is C7400S. All OA, RA and DA sensors are the same SKU number. The sensor is set for the appropriate type of sensing using the three position DIP switch located on the sensor. OA position is OFF, OFF, OFF; RA is ON, OFF, OFF and DA is OFF, ON, OFF. During installation the sensors are set for the usage desired. NOTE: The four terminal blocks are removable.
Section 11 - W7220 JADE™ Economizer Module CO2 Sensor Wiring Table 2. Economizer Module - Right hand terminal blocks. Label Type Description Top Right Terminal Block n/a The first terminal is not used AUX2 I 24 Vac IN Shut Down (SD) or Heat (W) Conventional only or Heat Pump Change over (O/B) in Heat Pump mode.
Section 11 - W7220 JADE™ Economizer Module Wiring Application Examples Stand-alone Economizer This section describes the wiring configurations for the JADE™ Economizer system. The configurations are: The most basic configuration is the standalone Economizer (see Fig. 4 and Fig. 6). A stand-alone Economizer is directly wired to sensors, actuators, thermostat, and mechanical controls in the roof top unit. It does not require Sylk Bus communications.
Section 11 - W7220 JADE™ Economizer Module EXH1 OR AUX1 O 1 C 2 V ACTUATOR NOTE: ON/OFF ACTUATORS CAN BE USED ON THE EXH1 OR AUX1 O TERMINAL WITH GROUND TO THE C TERMINAL. WHEN PROGRAMMING THE EXH1 OR AUX1 O, THE % IS THE PERCENT OPEN POSITION OF THE OUTDOOR AIR DAMPER WHEN THE EXH1 OR AUX1 O TERMINAL IS ENERGIZED AND THE 2-POS DAMPER GOES OPEN. IF USING THE AUX1 O TERMINAL PROGRAM AUX1 O FOR EXH2. M33409 Fig. 5. 2-position actuator.
Section 11 - W7220 JADE™ Economizer Module ROOF TOP UNIT MA TEMP SENSOR 20K NTC W7220 ECONOMIZER CONTROLLER MODULE Y1 O/B OCC 1 W2 3 1K1 AUX2-I OCC E-GND MAT MAT OAT OAT OAT TEMP SENSOR 20K NTC G W1 Y2 AUX1-0 CO2 SENSOR 2-10 VDC (OPTIONAL) Y2I IAQ (2-10V) IAQ COM IAQ 24V ACT (2-10V) ACT COM ACT 24V Y2O Y1I Y1O C R 1K1 1 R(+) 2 24 VAC MS3103J 3 S-BUS OR MS3105J C(-) 4 S-BUS 2 5 1 NOTE THAT THE 20K NTC SENSOR CAN BE MOUNTED IN THE OAT TERMINALS ONLY IN THIS CONFIGURATION.
Section 11 - W7220 JADE™ Economizer Module 2 ROOF TOP UNIT MA TEMP SENSOR 20K NTC W7220 ECONOMIZER CONTROLLER MODULE O/B Y1 OCC MA MA AUX2-I OCC E-GND G W1 Y2 W2 4 1K1 S-BUS AUX1-0 S-BUS CO2 SENSOR 2-10 VDC (OPTIONAL) Y2I IAQ (2-10V) IAQ COM IAQ 24V Y2O Y1I ACT (2-10V) ACT COM ACT 24V Y1O 1K1 C R TR R(+) 24 VAC TR1 M7215 IN + IN - C(-) 3 OUTSIDE AIR TEMP/HUMIDITY (ENTHALPY) SYLKBUS SENSOR 1 RETURN AIR TEMP/HUMIDITY (ENTHALPY) SYLKBUS SENSOR THERMOSTAT 1 IN THIS CONFIGURATION
Section 11 - W7220 JADE™ Economizer Module 2 MA TEMP SENSOR 20K NTC ROOF TOP UNIT W7220 ECONOMIZER CONTROLLER MODULE O/B Y1 OCC MA MA AUX2-I OCC E-GND S-BUS S-BUS CO2 SENSOR 2-10 VDC (OPTIONAL) G W1 Y2 W2 4 1K1 AUX1-0 Y2I IAQ (2-10V) IAQ COM IAQ 24V ACT (2-10V) ACT COM ACT 24V Y2O Y1I Y1O 1K1 C R R(+) 24 VAC C(-) MS7503 OR MS7505 3 3 OUTSIDE AIR TEMP/HUMIDITY (ENTHALPY) SYLKBUS SENSOR 1 RETURN AIR TEMP/HUMIDITY (ENTHALPY) SYLKBUS SENSOR THERMOSTAT 1 IN THIS CONFIGURATION, AN OPTIONAL
Section 11 - W7220 JADE™ Economizer Module ROOF TOP UNIT MA TEMP SENSOR 20K NTC W7220 ECONOMIZER CONTROLLER MODULE O/B Y1 OCC MAT MAT AUX2-I OCC E-GND S-BUS S-BUS CO2 SENSOR 2-10 VDC (OPTIONAL) 4 1K1 Y2I Y2O Y1I Y1O 1K1 C R R(+) 24 VAC 1 3 S-BUS W2 AUX1-0 IAQ (2-10V) IAQ COM IAQ 24V ACT (2-10V) ACT COM ACT 24V 2 G W1 Y2 C(-) 2 MS3103J OR MS3105J 3 4 S-BUS 5 THERMOSTAT C7400S OUTSIDE AIR TEMP/HUMIDITY (ENTHALPY) SYLKBUS SENSOR 1 C7400S RETURN AIR TEMP/HUMIDITY (ENTHALPY) SYLKBUS SEN
Section 11 - W7220 JADE™ Economizer Module Using the Keypad with Menus The Menus in display order are: To use the keypad when working with menus: • Press the button to move to the previous menu. • Press the button to move to the next menu. • Press the ↵ button (Enter) to display the first item in the currently displayed menu. • Press the button (Menu up) to exit a menu’s item and return to the list of menus.
Section 11 - W7220 JADE™ Economizer Module Table 3. Menu Structure Parameter Range and Increments Menu Parameter Parameter Default Value STATUS ECON AVAIL NO YES/NO YES = economizing available; the system can use Outdoor Air for free cooling when required. ECONOMIZING NO YES/NO YES = Outdoor Air being used for 1st stage cooling. OCCUPIED NO YES/NO YES = OCC signal received from space thermostat or unitary controller. YES = 24 Vac on terminal OCC No = 0 Vac on terminal OCC.
Section 11 - W7220 JADE™ Economizer Module Table 3. Menu Structure Parameter Default Value Parameter Range and increments Notes Menu Parameter STATUS IN CO2 ___ ppm 0 to 2000 (3500) ppm Displays value of measured CO2 from CO2 sensor. Invalid if not connected, short or out-ofrange. May be adjusted in Advanced menu by Zero offset and Span DCV STATUS n/a ON/OFF Displays ON if above setpoint and OFF if below setpoint, and ONLY if a CO2 sensor is connected. DAMPER OUT 2.0V 2.0 to 10.
Section 11 - W7220 JADE™ Economizer Module Table 3. Menu Structure (cont’d.) Parameter Range and increments Menu Parameter Parameter Default Value SETPOINTS ENTH CURVE ES3 ES1, ES2, ES3, ES4, or ES5 Enthalpy boundary “curves” for economizing using single enthalpy. See “” on page 19 and Product Data sheet form 63-2700 for description of enthalpy curves. DCV SET 1100pp m 500 to 2000 ppm increment by 100 Displays ONLY if a CO2 sensor is connected. Setpoint for Demand Control Ventilation of space.
Section 11 - W7220 JADE™ Economizer Module Table 3. Menu Structure (cont’d.) Parameter Range and Increments 0 to 100%; increment by 1 Menu Parameter Parameter Default Value SETPOINTS EXH2 SET 75% SYSTEM SETUP INSTALL 01/01/ 11 UNITS DEG ºF ºF or ºC Sets economizer controller in degrees Fahrenheit or Celsius. EQUIPMENT CONV CONV HP CONV = conventional. HP O/B = Enables Heat Pump mode. Use AUX2 I for Heat Pump input from thermostat or controller.
Section 11 - W7220 JADE™ Economizer Module Table 3. Menu Structure (cont’d.) Menu ADVANCED SETUP Parameter Range and Increments Parameter MA LO SET Parameter Default Value 45ºF FREEZE POS CLO CO2 ZERO 0ppm CO2 SPAN 2000pp m STG3 DLY 2.0h SD DMPR POS CLO CLO OPN DCVCAL ENA MAN MAN (manual) AUTO MAT T CAL 0.0 F° +/-2.5F° OA T CAL 0.0F° +/-2.5F° OA H CAL 0% RH +/-10% RH RA T CAL 0.0F° +/-2.5F° RA H CAL 0% RH +/-10% RH DA T CAL 0.0 F° +/-2.
Section 11 - W7220 JADE™ Economizer Module Table 3. Menu Structure (cont’d.) Parameter Range and Increments Menu Parameter Parameter Default Value CHECKOUT DAMPER VMIN-HS n/a n/a Positions damper to VMIN position. DAMPER VMAX-HS (LS) n/a n/a Positions damper to VMAX position. With 2speed fan units the damper will position to VMAX low speed fan. DAMPER OPEN n/a n/a Positions damper to the full open position. Exhaust fan contacts enable during the DAMPER OPEN test.
Section 11 - W7220 JADE™ Economizer Module Time-out and Screensaver When no buttons have been pressed for 10 minutes, the LCD displays a screen saver which cycles through the Status items. Each Status item displays in turn and cycles to the next item after 5 seconds. Sequence of Operation Table 4. Dry Bulb Operation No DCV (CO2 sensor) - 1 Speed Fan.
Section 11 - W7220 JADE™ Economizer Module Table 5. Dry Bulb Operation With DCV (CO2 sensor) - 1 Speed Fan.
Section 11 - W7220 JADE™ Economizer Module Table 7. Enthalpy Operation With DCV (CO2 sensor) - 1 Speed Fan.
Section 11 - W7220 JADE™ Economizer Module Table 9. Dry Bulb Operation With DCV (CO2 sensor) - 2 Speed Fan.
Section 11 - W7220 JADE™ Economizer Module Table 11. Enthalpy Operation With DCV (CO2 sensor) - 2 Speed Fan.
Section 11 - W7220 JADE™ Economizer Module ECONOMIXING DUAL ENTHALPY HIGH LIMIT AVAILABLE NOT AVAILABLE SINGLE ENTHALPY ) RH (% P2 (T,RH) P1 (T,RH) RA TEMP RA M HU ABSOLUTE HUMIDITY EN TH AL PY ES5 ES4 ES3 ES2 TEMPERATURE ES1 HL M32286A Fig. 12. Single Enthalpy curve and boundaries. Table 12. Single Enthalpy and Dual Enthalpy High Limit Curves. Point P1 Humidity %RH 36.8 39.6 Point P2 Humidity %RH 80.1 80.0 Enthalpy Curve ES1 ES2 Temp. DryBulb (°F) 80.0 75.0 Temp. Dew point (°F) 60.
Section 11 - W7220 JADE™ Economizer Module • The Y2 In call will be satisfied with the damper 100% open and fan on high speed and the call will turn off OR • If the call for additional cooling in the space has not been satisfied then the first stage of mechanical damper cooling will be enabled through Y1 Out or Y2 Out. Power Up Delay Alarms The Economizer module provides alarm messages that display on the 2-line LCD. NOTE: Upon power up, the module waits 60 minutes before checking for alarms.
Section 11 - W7220 JADE™ Economizer Module W7220 (JADE™) Economizer Controller Used with Honeywell Prestige© IAQ 2.0 Thermostat The JADE™ controller is a digital unit with economizing, demand control ventilation, and auto calibration strategies used to provide energy savings and comfort for the occupants of small commercial buildings.
Section 11 - W7220 JADE™ Economizer Module 2. At installer setup 6000 (Select the Dry Contacts in the System) > “Custom Alert”. 3. At Installer Setup 6170, select the terminals wired to the dry contact device (S1 or S2). Connect a Normally Open Relay Contact to the S1 or S2 terminals.
Section 11 - W7220 JADE™ Economizer Module 4. At Installer Setup 6180 (Custom Alert Dry Contact Setup) select “Normally Open.” 5. At Installer Setup 6190 (Customer Alert Name) > press to edit > type up to 40 characters. For example, “Economizer Alarm” (this will display on the thermostat home screen in an orange box when there is an alarm on the JADE™ controller).
Section 11 - W7220 JADE™ Economizer Module 6. At Installer Setup 6200 (Customer Alert Message) > press to edit > type up to 140 characters. For example, “Call for Service 1-800-555-1212.” 7. If the occupants clear the alert, the building operator can recover the last 25 alarms in the Alerts Log. The Alerts Log is located in the Menu > Installer Options > Data Logs > Alerts Log.
Section 11 - W7220 JADE™ Economizer Module 133 Honeywell Economizers 63-8594-02
Section 11 - W7220 JADE™ Economizer Module W7220 Personal Computer Tool The W7220 JADE™ economizer controller is the first Honeywell standalone economizer that has a microprocessor and therefore makes it easy for the user to interact with the controller and provide information and new functions. However to make the controller a low cost for all users, the ability to record the history of the system was not included in the unit.
Section 11 - W7220 JADE™ Economizer Module Downloading the software: 2. Connect W7220-PCMOD interface module to your computer using the USB cable provided. 1. Download PC tool software from www.customer.honeywell.com/ economizertools to your personal computer. NOTE: OEM and Field tools are the same hardware but use different programs and are used for different purposes. The password for the Field software is: password. For the OEM password call your Honeywell OEM representative. a.
Section 11 - W7220 JADE™ Economizer Module Running the Software After installing PCMOD software to your desktop, double click on the JADE™ Trade configuration tool icon to open it. This is the first page you’ll see. A small sub-screen will display basic information, including note on COM port settings. Click on “OK.” The configuration screen will appear with the system settings. Before you proceed, check your COM Port.
Section 11 - W7220 JADE™ Economizer Module If you are not sure the com port on your computer you can check the com port by pressing the Window key and the Pause key at the same time on your keyboard. With a laptop you may need to press and hold the Fn key, then press and hold the windows key and then press and hold the pause key.
Section 11 - W7220 JADE™ Economizer Module For Windows XP this screen will come up. Click on “Device Manager” in the left column.
Section 11 - W7220 JADE™ Economizer Module For Windows XP this screen will come up. Click on Hardware and then click on Device manager. Find the ports file and expand it. You’ll see the list of various COM Port options. The one you are looking for is listed under TUSB3410 Device. Note, in this case it is COM8.
Section 11 - W7220 JADE™ Economizer Module Close this file and go back to your PC Module tool program. Now that you know the correct COM Port, click on the Settings drop down menu and choose the one that matches your device manager port for TUSB3410 Device. If the port that the TUSB3410 file does not show up on your settings list for the port, close the file and reopen it. This means you opened the file before the P C Module was connected to your personal computer.
Section 11 - W7220 JADE™ Economizer Module Under the Sensor options select sensor or sensors you are currently using in the system.
Section 11 - W7220 JADE™ Economizer Module When you are complete with the configuration click on the next tab economizer/ DCV in the left column. Under Economizer/ DCV tab you can configure your Ventilation, Demand Control Ventilation, Temperature and Enthalpy settings.
Section 11 - W7220 JADE™ Economizer Module Calibration tab allows the operator to adjust for an out of calibration temperature or humidity sensor. In the JADE™ economizer controller there is a sensor offset calibration that allows you to change the economizer program to adjust for an out of calibration sensor.
Section 11 - W7220 JADE™ Economizer Module Another benefit of this tool is the ability for semi automatic checkout of the economizer system. From the list of the parameters shown on the screen choose the ones you would like to test by clicking the box next to it. The last box gives you the ability to display the temperature that the sensors are reporting to the economizer controller.
Section 11 - W7220 JADE™ Economizer Module You can check the settings on the JADE™ controller that you have connected by clicking the Read from JADE™ button. If the JADE™ controller is not connected properly you will receive a message that data was not able to be read. Check the power to your JADE™ and connection between the JADE™ and PC module and between the PC module and the personal computer.
Section 11 - W7220 JADE™ Economizer Module Or you can click on the Apply to JADE™ button in the bottom right of the screen after you selected correct configurations. This feature downloads your configuration to the JADE™ controller. Once information has been applied to JADE™ successfully you see a pop-up window indicating the data has been written successfully to the JADE™ controller. Note that you can Read from or Apply to JADE™ while in any of Configuration screens on the left.
Section 11 - W7220 JADE™ Economizer Module If you have a preferred configuration for a building or location and do not want to reconfigure the JADE™ economizer controllers every time you use one, you can save the configuration file on your personal computer and configure the JADE™ economizer controllers from this file. When click Save to file you’ll be able to save your file as new or replace an existing file. You can customize your RTU Model Name and Model Description.
Section 11 - W7220 JADE™ Economizer Module By clicking Load from file button you will be able to download a saved file from the list and apply those settings to JADE™. Note that you can Load or Save to file while in any of Configuration screens of the left.
Section 11 - W7220 JADE™ Economizer Module When you have chosen the parameters, click “Start Checkout” button.
Section 11 - W7220 JADE™ Economizer Module A checkout window will display. If you checked Display sensors temperature in the checkout screen, you’ll see those temperatures display. The screen will only display the sensors that are connected and are reporting to the economizer controller. If economizer and sensors are connected properly to the PC MOD the word “Passed” will display.
Section 11 - W7220 JADE™ Economizer Module If there are issues with the sensor selection and actual sensor connections the display will change to red letters. The Fail/Missing means that you failed to connect the sensor that you have chosen in the checkout tab. In this example the Dry bulb Outdoor air sensor was chosen on the checkout tab and that sensor is missing in the system.
Section 11 - W7220 JADE™ Economizer Module When all settings match and are shown in green letters, you can click “Start Checkout” button. As you go through the check out process you will need to observe the movement of the dampers and confirm the contacts are made to turn on the stages of compressor on the roof top unit. When each step is confirmed as working, click the Passed button to move to the next test.
Section 11 - W7220 JADE™ Economizer Module After you have completed the checkout, the tool will generate a report of the checkout process which you can save on a customized file on your Personal Computer by clicking Save report button.
Section 11 - W7220 JADE™ Economizer Module The logging screen allows you long term recording and verification for validation that the economizer is working and the building is operating to save energy. On the right side of the screen, select all properties that you would like to log. During the logging process the personal computer will need to be connected to the PC module since the data will be saved on the personal computer file, not in the module.
Section 11 - W7220 JADE™ Economizer Module As you select the parameters you want to log on the right, you will see the current value of the selected points displayed in the center of the screen.
Section 11 - W7220 JADE™ Economizer Module Select the log file where you would like to store the data on the personal computer then select the interval of time for the data collection. The range for the data collection is from 5 seconds up 300 seconds in 5 seconds intervals. Click the Start button. The logging light in the lower left corner would start blinking; indicating data is being recorded in the interval you selected. You can Pause or Stop this recording at any time.
Section 12 - Sensors for Economizer Modules Section 12 - Sensors for Economizer Modules Temperature C7250A C7650 C7046 C7150 Enthalpy Carbon Dioxide C7400S C7632 C7232 C7400A (legacy) 157 Honeywell Economizers 63-8594-02
Section 12 - Sensors for Economizer Modules Sensor Features Sensor Series Type of Sensor Application C7046 Temperature Discharge Air C7150 Legacy Temperature C7400A Legacy Enthalpy Sensor Enthalpy Changeover S-bus Communicating enthalpy sensor Legacy Temperature Enthalpy sensor C7400S C7650 C7250 C7660 Comments Mixed Air 3K ohm for use with legacy OEM economizer controllers (W7459 and W7212) for use with legacy economizer controllers W7459 and W7212 OEM OEM OEM (used with W7220 economizer) Le
Section 12 - Sensors for Economizer Modules Type of Sensors for Economizer The C7400A enthalpy sensor combines temperature and humidity measurements into a single device. The output is 4 to 20 mA. All sensing elements are solid state electronics which have been determined to be durable over more than fifteen years of usage. There are no setpoints on the sensor since all adjustments are done on the control module.The C7400A sensors are used with the legacy economizers, e.g., W7459 and W7212.
Section 12 - Sensors for Economizer Modules In differential mode the signal from the dry bulb analog sensor to the economizer is 10 to 20 mA so the economizer can choose the higher output (indicates lower temperature) and can choose which temperature is better. Lets look at an example: When using a C7650 and the C setting is chosen on the economizer logic module, the module will open the outside air damper at approximately 58F.
Section 12 - Sensors for Economizer Modules The sensor now contains the algorithm and will send either a 4mA OR a 20 mA signal to the economizer where 4mA is NOT OK to economize and 20mA is OK to economize. C7150B can be used for this function since the resistance curves for both are identical. The C7046A is 8 inches (20 cm) long which makes it a better selection for larger air handlers than the single point C7150B.
Section 12 - Sensors for Economizer Modules C7150 and C7046 Mixed and Supply Air Sensors OHMS 6200 6000 5800 5600 5400 5200 5000 4800 4600 4400 4200 4000 3800 3600 3400 3200 3000 OHMS at 77 DEG. F (25 C) 3000 2800 2600 2400 2200 2000 1800 1600 1400 50 DEG. C 10 DEG.
Section 12 - Sensors for Economizer Modules Mixed or Supply Air Sensor Control Sequence The control sequence for the sensor connected to the mixed or supply (discharge) air temperature terminals on all of the economizer modules is basically the same. When the space is occupied, the outdoor air damper remains at the minimum position until there is a call for cooling from the commercial thermostat.
Section 12 - Sensors for Economizer Modules JADETM Economizer (W7220) Sensors The JADETM economizer does not use the same sensors as the legacy economizer controllers. The JADETM economizer controller uses new digital sensors for control. The Mixed Air Temperature and Outdoor Air temperature only sensors are 20k negative temperature coefficient, or NTC, sensors (C7250). The JADETM recognizes the sensors and configures the system to the valid sensors installed in the system.
Section 12 - Sensors for Economizer Modules Note that the old C7150, C7400A and C7400C analog sensors used with the W7212 and W7459 economizers are not compatible with the W7220 and must be replaced with: C7250A (MAT) Either one C7250A Mixed Air Temperature sensor plus one C7250A Temperarure Only Outdoor Air sensor for dry bulb temperature changeover; C7250A (OAT) __________________________________________________ OR one C7250A Mixed Air Temperature sensor and one C7400S Outdoor Air sensor for single e
Section 12 - Sensors for Economizer Modules OR one C7250A Mixed Air Temperature sensor and two C7400S Outdoor Air and Return Air sensors for differential enthalpy changeover; C7250A (MAT) C7400S (OA) C7400S (RA) ________________________________________________ OR one C7250A Mixed Air Temperature, one C7250A Temperature Only Outdoor Air sensor, and one C7400S Return Air sensor for differential temperature changeover. C7250A (MAT) S-bus in this case ignores the humidity input from the RA sensor.
Section 13 - Checkout Section 13 - Checkout Honeywell has a checkout procedure for every economizer logic module. The checkout procedures are listed in the back of the Product Data Sheet or Installation Instructions shipped with every economizer or can be found at www.customer.honeywell.com. Type the part number in the search area and click 167 on GO. Find the complete part number in red and click on it.
Section 13 - Checkout Standard Checkout Procedure When the first line of a procedure states: “Execute step one. Checkout Preparation.” this directs you to reset the logic module to the initial checkout mode before proceeding.
Section 13 - Checkout If using two transformers make sure the transformers are tied to the same COM and are from the same power source.
Section 13 - Checkout Check out C7400 with W7459, W7210 and W7212: You can check if the C7400 is within the RH and temperature range with the W7212 logic module using the following method. • Make sure the sensors are all connected to the logic module. • To check the return air C7400 sensor on Sr and Sr+: Measure the voltage across Sr and Ground. • To check the outdoor air C7400 sensor on So and So+: Measure the voltage across So and Ground.
Section 13 - Checkout SO <90% RH mA curve Low (-.3 Vdc) Nominal High (+.3 Vdc) > 90% RH mA curve Low (-.4 Vdc) Nominal High (+.4 Vdc) Vdc measured between SO and GND 4 0.672 0.972 1.272 6 1.158 1.458 1.758 8 1.644 1.944 2.244 10 2.13 2.43 2.73 12 2.616 2.916 3.216 14 3.102 3.402 3.702 16 3.588 3.888 4.188 18 4.074 4.374 4.674 20 4.56 4.86 5.16 4 0.572 0.972 1.372 6 1.058 1.458 1.858 8 1.544 1.944 2.344 10 2.03 2.43 2.83 12 2.516 2.916 3.316 14 3.002 3.402 3.802 16 3.488 3.888 4.288 18 3.
Section 13 - Checkout Check out for W7220 JADETM Economizer: Inspect all wiring connections at the economizer module's terminals and verify compliance with the installation wiring diagrams in the Installation Instructions. 4. Press the enter button to start the test. 5. The unit will pause and then displays "INPROGRESS" on the screen. To perform a checkout test: 1. Scroll to the desired test in the Checkout menu using the up and down buttons on the front of the W7220.
Section 14 - Simulator for W7212 173 Honeywell Economizers 63-8594-02
Section 14 - Simulator for W7212 Honeywell created a simulator to help teach users how the product functions. The program is a 10.5 MB file that can be easily loaded onto your computer desk top. In addition there is a power point presentation that can also be downloaded from the same web page to guide you on how to use the simulator. On the picture shown below all of the white arrows are inputs to the economizer logic from sensors or a commercial thermostat.
Section 14 - Simulator for W7212 To download the program: Go to www.customer.honeywell.com/economizertools. The W7212 economizer simulator is the last file on the page. Click on it to open the zipped file. Download the LabView Runtime program then open the W7212 (Trade).exe file.
Section 14 - Simulator for W7212 63-8594-02 Honeywell Economizers 176
Section 15 - Demo for W7220 Section 15 - Demo for W7220 177 Honeywell Economizers 63-8594-02
Section 15 - Demo for W7220 Honeywell created a demo to help teach users how the product functions. The program is a 4.0 kB file that can be easily loaded onto your computer desk top. The demo may not match the latest firmware version of the JADETM controller, the demo is to be used primarily as a training tool. The JADETM will only display the sensors or actuator functions that connected to it; the demo will show all functions available on the JADETM controller.
Section 15 - Demo for W7220 When the demo is opened, the STATUS screen will appear. To step through the items on the status menu, click on the return button. The first item "ECONO AVAIL YES" will appear on the screen under STATUS. This information is telling the operator that the current status of the economizing function is the conditions are good for economizing. In the upper right corner of the screen a down arrow appears.
Section 15 - Demo for W7220 63-8594-02 Honeywell Economizers 180
Section 16 – Economizer Savings Estimator Section 16 – Economizer Savings Estimator 181 Honeywell Economizers 63-8594-02
Section 16 – Economizer Savings Estimator Honeywell has an easy to use savings estimation software that was designed by independent consulting Energy Engineers in 1999 and is updated every 3 or 4 years. The software allows the user to input information about the equipment on a building, type of control, occupancy schedule, cost of adding various economizer and DCV options and demand and electrical charges.
Section 17 - Retrofit and Upgrades Section 17 - Retrofit and Upgrades From Upgrade to Honeywell T7100, T7300, T7350, T7400 or Honeywell TB7220 or TB8220 commercial thermostats competitive commercial or residential Prestige® IAQ thermostat (THX9421R5013) and EIM thermostats (THM5421R1013) OR Prestige®/EIM Y pack (YTHX9421R5051) Economizer control systems without Solid State Economizer Controller integration of the first stage of cooling from JADETM W7220A controller with C7250 Mixed air and C7250 the commer
Section 17 - Retrofit and Upgrades TRANSFORMER L1 (HOT) MIXED AIR DAMPER MOTOR T1 L2 T2 W T675 DRY BULB HIGH LIMIT CONTROL F 110 120 W 120 15 70 W 40 °F 170 60 R 60 140 16 B 100 80 OAT 130 100 90 80 R 140 F 110 120 130 100 140 180 90 R 15 80 16 70 170 60 MINIMUM POSITION CONTROL 180 B R T991 MIXED AIR CONTROL B NC C NO RELAY RC NC Y1 C NO Y2 COOLING COMMERCIAL THERMOSTAT T1 L1 COOLING CONTACTOR T2 L2 M13847A Before: Series 90 with Dry Bulb Changeover
Section 17 - Retrofit and Upgrades M945 DAMPER MOTOR TRANSFORMER L1 (HOT) FAN STARTER AUXILIARY CONTACT T1 L2 T2 COOLING W R FAN HIGH SPEED W 1K2 2K1 H205 B SYSTEM SWITCH B 1K1 R R COOL O AUTO MIXED AIR TEMPERATURE CONTROLLER W HEAT Y2 R B 2K 1 2 Y1 3 FAN SWITCH ON G AUTO 1K MINIMUM POSITION CONTROL RELAY COILS B 2ND STAGE HEAT W859D ECONOMIZER ASSEMBLY W2 1ST STAGE HEAT W1 T874/Q674 THERMOSTAT/SUBBASE M13848A Before: W859 Economizer With H205 The W859 and W957 are combi
Section 17 - Retrofit and Upgrades W973 SINGLE ZONE PANEL 2 1 HEAT R F 110 120 140 15 80 16 70 170 60 3 HEAT COOL 3 COOL 1 COOL 2 1 COOL MOD-HEAT BH RH SENSOR 180 STAT C +20 H 3 4 2 COOLING STAGES MOD-COOL RC BC WC 24 VAC ECONO N SERIES 90 MIXED AIR DAMPER ACTUATOR T T1 LOW O.A.
Section 17 - Retrofit and Upgrades ROOF TOP UNIT MA TEMP SENSOR 20K NTC W7220 ECONOMIZER CONTROLLER MODULE Y1 O/B OCC 1 W2 3 1K1 AUX2-I OCC E-GND MAT MAT OAT OAT OAT TEMP SENSOR 20K NTC G W1 Y2 AUX1-0 CO2 SENSOR 2-10 VDC (OPTIONAL) Y2I IAQ (2-10V) IAQ COM IAQ 24V ACT (2-10V) ACT COM ACT 24V Y2O Y1I Y1O C R 1K1 1 R(+) 2 24 VAC MS3103J 3 S-BUS OR MS3105J C(-) 4 S-BUS 2 5 1 NOTE THAT THE 20K NTC SENSOR CAN BE MOUNTED IN THE OAT TERMINALS ONLY IN THIS CONFIGURATION.
Section 17 - Retrofit and Upgrades Replacement of W7459Axxx and M7415Axxx with W7220A1000 (JADETM) and M7215A1008 Step by step guide to assist you in successful replacement of the W7459 economizer and M7415 black motor with a W7220 JADETM economizer controller and M7215 black motor: 1. Remove all wires from the W7459. Mark each wire with the terminal designation (e.g., 1,2,3,4, TR1, TR etc.) as it is removed from the W7459. 2.
Section 17 - Retrofit and Upgrades Old Sensor C7046A C7150B C7400 C7660 Description New Sensor Discharge Air Mixed Air Solid State Enthalpy Solid State Dry Bulb C7400S1000 C7250A1001 C7400S1000 C7250A1001 189 Honeywell Economizers 63-8594-02
Section 17 - Retrofit and Upgrades There is no longer need for Minimum Position and Changeover Curve (A,B,C,D) potentiometers. The changeover curve boundaries and minimum position are set using the LCD display menu item "Setpoints" and the 4 buttons on JADETM. For programming JADETM refer to the Installation Instructions (62-0331) supplied with the JADETM.
Section 17 - Retrofit and Upgrades Replacement of W7212Axxx with W7220A1000 (JADETM) Step by step guide to assist you in successful replacement of the W7212 economizer with a W7220 JADETM economizer controller: 1. Remove all wires from the W7212. Mark each wire with the terminal designation (e.g., 1,2,3,4, TR1, TR etc.) as it is removed from the W7212. 2. Mount JADETM on the inside of the Rooftop unit where it will be easy to read the display and to change the settings. 3.
Section 17 - Retrofit and Upgrades Replace the old sensors with new JADETM sensors: Old Sensor Description New Sensor Termination on W7220 C7046A Discharge Air C7400S1000 S-Bus C7150B Mixed Air C7250A1001 MAT C7400 Solid State Enthalpy C7400S1000 S-Bus C7660 Solid State Dry Bulb C7250A1001 OAT W7220 W7212 There is no longer need for Minimum Position, DCV and Changeover Curve (A, B,C,D) potentiometers.
Section 17 - Retrofit and Upgrades Replacement of W7210Axxx with W7220A1000 (JADETM) Step by step guide to assist you in successful replacement of the W7210 economizer with a W7220 JADETM economizer controller: 1. Remove all wires from the W7210. Mark each wire with the terminal designation (e.g., 1,2,3,4, TR1, TR etc.) as it is removed from the W7210. 2. Mount JADETM on the inside of the Rooftop unit where it will be easy to read the display and to change the settings. 3.
Section 17 - Retrofit and Upgrades Replace the old sensors with new JADETM sensors: Old Sensor Description New Sensor Termination on W7220 C7046A Discharge Air C7400S1000 S-Bus C7150B Mixed Air C7250A1001 MAT C7400 Solid State Enthalpy C7400S1000 S-Bus C7660 Solid State Dry Bulb C7250A1001 OAT There is no longer need for Minimum Position, DCV and Changeover Curve (A, B,C,D) potentiometers.
Section 17 - Retrofit and Upgrades Replacement of W859F with W7220A1000 (JADETM) and M7285A1045 Step by step guide to assist you in successful replacement of the W859 economizer with a W7220 JADETM economizer controller and M7285A1045 motor: 1. Remove all wires from the W859. Mark each wire with the terminal designation (e.g., H205 violet in, violet out,T1, T2 etc.) as it is removed from the W859. 2. Remove the W859 including motor and using the same mounting holes mount the M7285A1045 motor in its place.
Section 17 - Retrofit and Upgrades The M7285A1045 is powered with transformer connected to T1 and T2 (L1 and L2 as shown above). The MAT internal to the W859 is replaced with a C7250A1001 sensor connected to the MAT on the W7220. Add a C7400S1000 S-Bus sensor for the outdoor air changeover. Use separate transformers for the motor and for W7220. The W7220 must be earth grounded.
Section 17 - Retrofit and Upgrades Replacement of W957G with W7220A1000 (JADETM) and M7285A1045 Step by step guide to assist you in successful replacement of the W957 economizer with a W7220 JADETM economizer controller and M7285A1045 motor: 1. Remove all wires from the W957. Mark each wire with the terminal designation (e.g., 1,2,3,4, T0, T2 etc.) as it is removed from the W7459. 2. Remove the W957 including motor and using the same mounting holes mount the M7285A1045 motor in its place. 3.
Section 17 - Retrofit and Upgrades Old Sensor Description New Sensor C7046A Discharge Air C7400S1000 C7150B Mixed Air C7250A1001 C7400 Solid State Enthalpy C7400S1000 C7660 Solid State Dry Bulb C7250A1001 W957G Replaced with W7220 and M7285A1045 Mod Motor There is no longer need for Minimum Position and Changeover Curve (A,B,C,D) potentiometers. The changeover curve boundaries and minimum position are set using the LCD display menu item "Setpoints" and the 4 buttons on JADETM.
Section 17 - Retrofit and Upgrades Cross Reference Any Honeywell economizer can be upgraded to use the latest economizer models with the added options of Demand Control Ventilation, exhaust fan set point or fault detection and diagnostics system shutdown. See below for cross reference and upgrade options for the economizer modules and sensors.
Section 17 - Retrofit and Upgrades Enthalpy Sensor C7400A1004 C7400A1012 C7400A1020 C7400A1038 C7400A1046 C7400A1053 Comments Can be replaced with Standard OEM York #10125 Use with H705 only OEM Lennox #54G4401 OEM Carrier #HH57AC078A OEM Bard #8602-046 C7400A1004 C7400A1004 C7400A1004 C7400A1004 C7400A1004 Economizers Economizer H205A Comments Can be replaced with All models W7220A1000 (JADETM) + C7250A1001 + C7400S1000 + actuator (See actuator section) H705A All models W6210A All models W72
Section 17 - Retrofit and Upgrades Economizer W7399B1002 W7399C1010 Comments Can be replaced with W7399C1010 W7415A1004 OEM Standard W7340C1000 + M7215A1016 OEM Trane #X13610221-02 W7459A All models W7220A1000 (JADETM) + C7250A1001 + C7400S1000 W7459B1009 Use with M7405 and W7401 W7220A1000 (JADETM) + C7250A1001 + C7400S1000 +MS3103J1030 W7459C1007 Use with M8405 all models W7459D1005 High enthalpy limit model W7220A1000 (JADETM) + C7250A1001 + C7400S1000 W7220A1000 (JADETM) + C7250A1001 + C
Section 17 - Retrofit and Upgrades Commercial Thermostats All T7300's with non-Q7300H T7300 with Q7300A2016, Q7300A2008, Q7300C2004 and Q7300C2012 THX9421R5013 YTHX9421R5051 Comments Conventional or Heat Pump Commercial VisionPRO 8000 Can be replaced with T7350D1008 TB8220U1003 Prestige® IAQ thermostat when used with a W7220 Jade economizer and THM5421R1013 EIM can display the alarms on the screen Y pack including Prestige® thermostat and EIM module THX9421R5013 +THM5421R1013 Actuators Actuator M7215
Section 17 - Retrofit and Upgrades W7220 JADETM Y-Pack Table Dry Bulb Changeover Y packs Dry Bulb with black motor Dry Bulb w/non-communicating DCA Dry Bulb w/communicating 27 lb-in DCA Dry Bulb w/communicating 44 lb-in DCA Dry Bulb w/communicating 27 lb-in DCA and CO2 wall sensor without a display Economizer Logic Module SENSORS Mixed Air or Outdoor Air Temperature Sensor Outdoor Air Enthalpy Sensor Wall Mount CO2 sensor with fixed settings Wall Mount CO2 sensor with selectable settings Duct Mount C
Section 17 - Retrofit and Upgrades Enthalpy Changeover Y packs Y Pack Y7220S7215 Logic Module OAE sensor Enthalpy with black motor MAT Sensor Black Motor Y7220SCW7215 Logic Module Enthalpy with black motor and CO2 wall sensor with OAE sensor a display MAT Sensor Black Motor CO2 Sensor Y7220SCD7215 Logic Module Enthalpy with black motor and CO2 duct sensor with OAE sensor a display MAT Sensor Black Motor CO2 Sensor YL7220S7503 Logic Module OAE sensor Enthalpy w/non-communicating DCA MAT Sensor DCA OA YL722
Section 17 - Retrofit and Upgrades Enthalpy w/communicating 27 lb-in DCA and CO2 duct sensor with a display 205 YL7220SCD3103 Logic Module OAE sensor MAT Sensor DCA OA CO2 Sensor W7220A1000 C7400S1000 C7250A1001 MS3103J1030 C7232B1014 Honeywell Economizers 63-8594-02
Section 17 - Retrofit and Upgrades 63-8594-02 Honeywell Economizers 206
APPENDIX Section 18 - Appendix Glossary Air Content Sensor—A sensor used to measure certain components of the air in a room or other supply source. It is used as an input to adjust control sequences or parameters. Carbon Dioxide (CO2) is frequently measured as one component of overall air quality to make adjustments to ventilation controllers. Changeover Control—The control device used to switch over from outside to return air or visa versa to make optimum use of outside air for free cooling.
APPENDIX Dilution—The reduction of airborne concentration of contaminants through an increase in outdoor air supplied to the area. Enthalpy—A measure of the total energy content of air based upon both temperature and moisture content. When selecting air for cooling it is a better measurement than solely temperature. Discharge or Supply Air—Air which has been treated (heated or cooled) before being supplied to the conditioned area or room.
APPENDIX Non-Integrated Economizer—An economizer control that does not connect to the thermostat for call for cooling and/ or turns off the economizer cycle after a set time to turn on the mechanical cooling. Total Heat—Same as enthalpy. Two-Position—A basic on-off control circuit in which the device being controlled is either full on or full off with no intermediate operating positions available. Also referred to as “on-off” control.
APPENDIX Accessories for the M74XX Series Actuators 4074EGR Crank Arm Assembly M3856A Q298B Linkage Hardware Enables linking the actuator to an additional damper. Consists of two crank arm assemblies, two ball joint assemblies, and variable length push rods (in 10, 16, or 24 inch lengths) Q298 M11546A 4074EKV Auxiliary Switch Provides switching capability for controlling auxiliary equipment.
APPENDIX Accessories for the W7220 JADETM Economizer Module W7220 PCMOD Interface tool for JADETM controller and Personal Computer Duct Mount Kit 50053060-001 Duct mounting kit for sensors 2-pin Edge Connector for Sensors 50048926-001 2-pin edge connector for sensors (20 pieces per bag) 6-pin Edge Connector for Field Wiring 50048926-002 6-pin edge connector for field wiring (20 pieces per bag) 211 63-8594-02 Honeywell Economizers
SECTION 18 - APPENDIX Automation and Control Solutions Honeywell International Inc. 1985 Douglas Drive North Golden Valley, MN 55422 customer.honeywell.com ® U.S. Registered Trademark © 2013 Honeywell International Inc. 63-8594—02 M.S.
