DOAS CM3500 Controller Table of Contents Dehumidification Equipment Standard Limited Warranty 3 Installation IAQ Controller Details Application, Operation & Maintenance 97B0065N01 Rev: 31 July, 2013 4 7 Service Menu 17 Factory Configuration 23 Alarm Menu 29 Remote Room Sensor Configuration 32 Hardware Details 33 Specifications 35 Points List 39 Revision History 48
CLIMATEMASTER WATER-SOURCE HEAT PUMPS DOAS CM3500 Controller R e v.
THE SMART SOLUTION FOR ENERGY EFFICIENCY DOAS CM3500 Controller R e v. : 3 1 J u l y, 2 0 1 3 Dehumidification Equipment Standard Limited Warranty CAUTION! CAUTION! ONLY TRAINED, QUALIFIED PERSONNEL SHOULD INSTALL AND/OR SERVICE CLIMATEMASTER. SERIOUS INJURY, DEATH AND PROPERTY DAMAGE CAN RESULT FROM IMPROPER INSTALLATION/SERVICE OF THIS EQUIPMENT HIGH VOLTAGE ELECTRICAL COMPONENTS AND REFRIGERANT UNDER PRESSURE ARE PRESENT.
CLIMATEMASTER WATER-SOURCE HEAT PUMPS DOAS CM3500 Controller R e v. : 3 1 J u l y, 2 0 1 3 Installation Your ClimateMaster controller is designed for precise monitoring and control of air temperature and relative humidity (RH) within a conditioned environment. This CM3500 control system is easy to install and operate.
THE SMART SOLUTION FOR ENERGY EFFICIENCY DOAS CM3500 Controller R e v. : 3 1 J u l y, 2 0 1 3 and outdoor CO2 levels. These measurements are used to determine the CO2 differential level in the conditioned space. This differential is the variable compared to the CO2 setpoint and used in the control loop to provide more or less outdoor air into the conditioned space. The outdoor CO2 sensor is installed in a protective enclosure and is designed to operate in outdoor conditions ranging from -40°F to 158°F.
CLIMATEMASTER WATER-SOURCE HEAT PUMPS DOAS CM3500 Controller R e v. : 3 1 J u l y, 2 0 1 3 The CM3500 microprocessor controller is a powerful, flexible controller with many useful features including: • Display of room air temperature, relative humidity and refrigerant pressures. • Display of equipment operating status such as dehumidification and cooling. • Display of alarms for abnormal conditions such as sensor failures or tripped safety controls.
THE SMART SOLUTION FOR ENERGY EFFICIENCY DOAS CM3500 Controller R e v. : 3 1 J u l y, 2 0 1 3 IAQ Controller Details Figure 4: Remote Display Terminal Figure 5: Internal Display Terminal Menu Overview and General Instructions The CM3500 Controller is pre-programmed and configured at the factory for use in the application you have specified.
CLIMATEMASTER WATER-SOURCE HEAT PUMPS DOAS CM3500 Controller R e v. : 3 1 J u l y, 2 0 1 3 To return to the Home Screen, press the Esc key. To return to the STATUS MENU, press the Esc key. • Status Menu - Selecting the STATUS MENU from the MAIN MENU allows access to the Modes & Time, I/O Status and Starts & Run Times. • I/O Status - Selecting the I/O Status from the STATUS MENU displays Digital Inputs, Analog Inputs, Digital Outputs and Analog Outputs.
THE SMART SOLUTION FOR ENERGY EFFICIENCY DOAS CM3500 Controller R e v. : 3 1 J u l y, 2 0 1 3 - Input Point ID8: Smoke Alarm Contact status “On”when no alarm exists, and “Off” if an alarm occurs. - Input Point ID9: Water Coil Thermostat status -“On” if the water temperature is too low, and “Off” when the water temperature is acceptable. - Input Point ID10: Filter Differential Switch status “On” when filter pressure is too high, and “Off” when the pressure is acceptable.
CLIMATEMASTER WATER-SOURCE HEAT PUMPS DOAS CM3500 Controller R e v. : 3 1 J u l y, 2 0 1 3 • Analog Outputs - This screen is provided for troubleshooting the control system.
THE SMART SOLUTION FOR ENERGY EFFICIENCY DOAS CM3500 Controller R e v. : 3 1 J u l y, 2 0 1 3 • Starts and Run Times - Selecting the Starts & Run Times displays the number of starts for the Blower and the Compressors on the unit. This is strictly a display screen and is provided for troubleshooting the unit only. To return to the STATUS MENU, press the Esc key. Figure 17: Starts and Run Times required, or to indicate the alarm condition of the unit.
CLIMATEMASTER WATER-SOURCE HEAT PUMPS DOAS CM3500 Controller R e v. : 3 1 J u l y, 2 0 1 3 • Zone Reset Setpoints - In the Zone Reset mode of operation, the Supply Air Temperature Setpoint is calculated based upon the actual zone air temperature and the zone air temperature setpoint and will fall between the High and Low Limit Setpoints. This mode requires the remote room sensor be installed in the conditioned space.
THE SMART SOLUTION FOR ENERGY EFFICIENCY DOAS CM3500 Controller R e v. : 3 1 J u l y, 2 0 1 3 for a few seconds. This allows the humidity to be displayed in a larger font. The remaining buttons on the left side of the remote room sensor are disabled for this application. Pressing them will display an icon of a lock. The remote room sensor will flash “ALr” to indicate that an alarm has occurred. The display of the current alarm must be viewed from the IDT or the RDT.
CLIMATEMASTER WATER-SOURCE HEAT PUMPS DOAS CM3500 Controller R e v. : 3 1 J u l y, 2 0 1 3 • Temporary Occupancy This screen allows the unit to be set to the occupied mode for a preset amount of time. Press the ENTER key and enter the hours you would like the unit to be temporarily in the occupied mode. Press the ENTER key again and enter the minutes you would like the unit to be temporarily in the occupied mode.
THE SMART SOLUTION FOR ENERGY EFFICIENCY DOAS CM3500 Controller R e v. : 3 1 J u l y, 2 0 1 3 Figure 28: Schedule Options (Current Schedule) • Temporary Holidays - The Temporary Holiday settings are for holidays that change dates from year to year, such as Memorial Day or Thanksgiving. Up to 10 different temporary holidays can be set from this screen. Select the number to assign to the Annual Holiday and then select the Start Date and the End Date for that holiday.
CLIMATEMASTER WATER-SOURCE HEAT PUMPS DOAS CM3500 Controller R e v. : 3 1 J u l y, 2 0 1 3 • Unit Revision - The Unit Revision Screen shows the version of the application program that is running along with the release date of the software (Figure 32). This information should be passed to ClimateMaster in the event a service call is necessary. Figure 32: Unit Revision The SERVICE MENU and FACTORY CONFIGURATION are accessible only from this screen.
THE SMART SOLUTION FOR ENERGY EFFICIENCY DOAS CM3500 Controller R e v. : 3 1 J u l y, 2 0 1 3 Service Menu Service Menu - Selecting the SERVICE MENU will display the Login Screen (Figure 34). Enter the service password, 1234, and press ENTER. Figure 36: Unit Setup Menu Figure 34: Login Screen The SERVICE MENU gives access to the Unit Setup, Parameter Settings, Sensor Offsets and Pressure /SAT Alarms (Figure 35).
CLIMATEMASTER WATER-SOURCE HEAT PUMPS DOAS CM3500 Controller R e v. : 3 1 J u l y, 2 0 1 3 • Intake Air Temp Setpoints - This screen shows the Cooling and Heating Setpoints as well as the Deadband that is applied to each. The range of the Cooling Setpoint is between the current Heating Setpoint setting and 95.0°F, with a default of 70.0°F. The range of the Heating Setpoint is between 40.0°F and the current Cooling Setpoint setting with a default of 68.0°F. The range of Deadband is 0.0 to 9.
THE SMART SOLUTION FOR ENERGY EFFICIENCY DOAS CM3500 Controller R e v. : 3 1 J u l y, 2 0 1 3 • Timer Settings - Included on this screen is timing for a multi-stage controller. Up to three (3) stages of heat are available by setting the heat stage to the appropriate number in the Factory Configuration of the unit. This control will employ a veneer sequence which will allow the first stage to be variable from the auxiliary heat analog output.
CLIMATEMASTER WATER-SOURCE HEAT PUMPS DOAS CM3500 Controller R e v. : 3 1 J u l y, 2 0 1 3 • Unoccupied Deadbands - This screen will only be shown if the Unoccupied Control is selected in the Factory Configuration Screen. These deadbands will only be used in the unoccupied mode. The Cooling and Heating Deadband is used to prevent short cycling and is added to the Cooling Setpoint and subtracted from the Heating Setpoint. The Humidity Deadband is added to the Setpoint. The range of both Deadbands is 0.
THE SMART SOLUTION FOR ENERGY EFFICIENCY DOAS CM3500 Controller R e v. : 3 1 J u l y, 2 0 1 3 • Condenser Settings - This screen will only be shown if the Condenser Control option is selected in the Factory Configuration. On a single circuit system, the discharge pressure controls the cycling of the condenser fans based upon the setpoints listed. On a dual circuit system, the highest discharge pressure controls the cycling of the condenser fans.
CLIMATEMASTER WATER-SOURCE HEAT PUMPS DOAS CM3500 Controller R e v. : 3 1 J u l y, 2 0 1 3 • Glycol Ratio - This screen will only be shown if the unit is set as a heat pump in the Factory Configuration. This screen allows modifying the percent of glycol in the water. The range of the setpoint is 0% to 30% of glycol in the water. To modify this setpoint, press the ENTER key and use the arrow keys until the desired setting is shown. Press the ENTER key to accept the setpoint value.
THE SMART SOLUTION FOR ENERGY EFFICIENCY DOAS CM3500 Controller R e v. : 3 1 J u l y, 2 0 1 3 Factory Configuration Factory Configuration - The Factory Configuration is preset before the controller is shipped and changes to the configuration could cause damage to the unit. These settings should only be modified by a factory trained technician. Selecting Factory Configuration from the UNIT REVISION screen displays the Login Screen.
CLIMATEMASTER WATER-SOURCE HEAT PUMPS DOAS CM3500 Controller R e v. : 3 1 J u l y, 2 0 1 3 • Set Units to °F or °C - Selecting this option allows the temperature units (values) to be set as °F or °C. To change the units, press the ENTER key until the cursor selects the °F or °C. Press the UP key. Figure 52: Set Units to ºF or ºC • Low Pr Fault Count (Figure 52) - The settings for the low pressure fault count are set here. Press the ENTER key until the cursor selects the correct setting.
THE SMART SOLUTION FOR ENERGY EFFICIENCY DOAS CM3500 Controller R e v. : 3 1 J u l y, 2 0 1 3 Figure 54: CO2 Control Figure 56: C02 Settings • CO2 Setup Menu (Figures 54 and 55) - The CO2 Setup Menu will be shown when the CO2 Control option is Enabled.
CLIMATEMASTER WATER-SOURCE HEAT PUMPS DOAS CM3500 Controller R e v. : 3 1 J u l y, 2 0 1 3 Figure 60: Recirc Damper PID Figure 58: CO2 Setpoint PID • Supply Air PID (Figure 59) - This screen modifies the Supply Air PID Gain (or Proportional Band), Reset (or Integral) and the Rate (or Derivative) for loop tuning. The range of the Gain is 0.000 to 0.999 inches of water column. The range of the Reset is 0 to 999. The range of the Rate is 0 to 999.
THE SMART SOLUTION FOR ENERGY EFFICIENCY DOAS CM3500 Controller R e v. : 3 1 J u l y, 2 0 1 3 • Heat Control (Figure 62) - This option allows the modulating heating output to function in either the SCRDirect or Reverse mode. Selecting Direct will deliver a direct minimum to maximum output corresponding to 0-10 VDC for heating applications which require 10 VDC for maximum heating. Selecting Reverse will deliver a minimum to maximum output corresponding to 10-0 VDC signal.
CLIMATEMASTER WATER-SOURCE HEAT PUMPS DOAS CM3500 Controller R e v. : 3 1 J u l y, 2 0 1 3 • Zone Reset Setup (Figure 64) - This screen will only be shown if the Zone Reset is selected. It determines the number of remote room sensors used in the system for Average or High/Low control of the Zone Reset. To change this number, use the arrow keys to select this option and enter the number of sensors used in the system. Press the ENTER key to select this setting and step to the next option.
THE SMART SOLUTION FOR ENERGY EFFICIENCY DOAS CM3500 Controller R e v. : 3 1 J u l y, 2 0 1 3 Alarm Menu Alarm Screen The ALARM MENU can be accessed anytime by pressing the ALARM button. The main alarm screen includes the instructions for viewing and resetting the alarms, as well as a means to access the alarm history page. Pressing the ENTER button while viewing this alarm screen or the active alarm will reset any alarm that has returned to its safe state.
CLIMATEMASTER WATER-SOURCE HEAT PUMPS DOAS CM3500 Controller R e v. : 3 1 J u l y, 2 0 1 3 • Multiple Low Suction Pressure Alarm Circuit A or Circuit B - This alarm activates only if the compressors have cycled on a low suction pressure condition multiple times. Although the unit will try an automatic reset, the red ALARM LED on the display will stay lit until the alarm is reset, even after the alarm condition is cleared, to alert the operator the alarm occurred.
THE SMART SOLUTION FOR ENERGY EFFICIENCY DOAS CM3500 Controller R e v. : 3 1 J u l y, 2 0 1 3 • Alarm History Screen (Figure 70) - The Alarm History Screen is accessible from the Alarm Screen by pressing the ALARM button. This screen lists a history of alarm conditions by time and date which have existed on the IAQ system.
CLIMATEMASTER WATER-SOURCE HEAT PUMPS DOAS CM3500 Controller R e v. : 3 1 J u l y, 2 0 1 3 Remote Room Sensor Configuration Remote Room Sensor Configuration (Figure 71) For zone reset controlled dehumidifiers, a sensor in the conditioned space is required. The Remote Room Sensor is used with the CM3500 to accomplish this. The remote room sensor is available as a temperature sensor to reset the supply air setpoint based on the conditioned space temperature.
THE SMART SOLUTION FOR ENERGY EFFICIENCY DOAS CM3500 Controller R e v. : 3 1 J u l y, 2 0 1 3 Hardware Details Programmable Controller The programmable controller is preprogrammed by ClimateMaster for the control of your unit. Two types of controllers are used. The small unit is used for all QV units and most QS units. A medium unit is required on QS units with a dual refrigerant circuit and/or if a VFD is used to prevent freezing of a heat wheel.
CLIMATEMASTER WATER-SOURCE HEAT PUMPS DOAS CM3500 Controller R e v. : 3 1 J u l y, 2 0 1 3 Differential Air Pressure Transducer The Differential Air Pressure Transducer is 0.5 - 4.5 VDC to 0 – 1.5 inches of water column device. This transducer must be supplied with 14.5 to 17 VDC power. CO2 Sensor The CO2 sensor is a non-dispersive infrared technology (NDIR) repeatable to +/- 20ppm, +/- 1% of measured value. The output is 4-20 mA with a range of 0-2000 ppm. This transducer must be supplied with 20-30 VDC.
THE SMART SOLUTION FOR ENERGY EFFICIENCY DOAS CM3500 Controller R e v. : 3 1 J u l y, 2 0 1 3 Specifications Mechanical Characteristics Dimensions SMALL version fitted on 13 DIN rail modules, 110 x 227.
CLIMATEMASTER WATER-SOURCE HEAT PUMPS DOAS CM3500 Controller R e v. : 3 1 J u l y, 2 0 1 3 Analog Inputs 10 bit A/D converter in the CPU universal: (inputs B1, B2, B3, B6, B7, B8) NTC temperature sensor (-50T90°C; R/T 10 k at 25°C), HT NTC 0T150°C, voltage: 0 to 1 Vdc, 0 to 5 V ratiometric or 0 to 10 Vdc, current: 0 to 20 mA or 4 to 20 mA, selectable via software. Input resistance in 0 to 20 mA= 100 passive: (inputs B4, B5, B9, B10) NTC temp.
THE SMART SOLUTION FOR ENERGY EFFICIENCY DOAS CM3500 Controller R e v. : 3 1 J u l y, 2 0 1 3 Groups from 2 to 5 outputs have 2 “common” poles for easy assembly. Make sure that the current running through the common terminals does not exceed the rated current of each individual terminal, that is 8A. The outputs can be divided into groups. There is double insulation between groups (between cells in the table). Note: the relays in the same group must have the same power supply (24 or 230 Vac).
CLIMATEMASTER WATER-SOURCE HEAT PUMPS DOAS CM3500 Controller R e v.
THE SMART SOLUTION FOR ENERGY EFFICIENCY DOAS CM3500 Controller R e v. : 3 1 J u l y, 2 0 1 3 Points List BACNET Points List Unit Type: Program Version 2.1.
CLIMATEMASTER WATER-SOURCE HEAT PUMPS DOAS CM3500 Controller R e v. : 3 1 J u l y, 2 0 1 3 Points List BACNET Points List Unit Type: Program Version 2.1.x & Above # Type 12 Auxiliary Heating Comm. AV 13 Supply Fan VFD Comm. AV 14 Exhaust Fan VFD Comm. AV 15 Outside Air Damper Comm. AV 16 Recirc.
THE SMART SOLUTION FOR ENERGY EFFICIENCY DOAS CM3500 Controller R e v. : 3 1 J u l y, 2 0 1 3 Points List BACNET Points List Unit Type: Program Version 2.1.
CLIMATEMASTER WATER-SOURCE HEAT PUMPS DOAS CM3500 Controller R e v. : 3 1 J u l y, 2 0 1 3 Points List LON Points List Unit Type: Program Version 2.1.x & Above # DESCRIPTION TYPE SNVT Dir UNITS 1 Suction Pressure 2 Discharge Pressure 3 Intake Air Relative Humidity 4 Intake Air Temperature 5 6 7 COMMENTS AV 30 Out K Pa Linear from 0.0 to 1724.0 K Pa. AV 30 Out K Pa Linear from 0.0 to 4482.0 K Pa. AV 81 Out % Linear from 0.0 to 100.0 %. AV 105 Out °C Linear from -42.
THE SMART SOLUTION FOR ENERGY EFFICIENCY DOAS CM3500 Controller R e v. : 3 1 J u l y, 2 0 1 3 Points List LON Points List Unit Type: Program Version 2.1.x & Above # DESCRIPTION TYPE SNVT DIR UNITS COMMENTS 1 Network Occupied Input DGT 95 In/Out 2 Occupied DGT 95 Out Confirmation of Occupied Status. 3 Alarm Active DGT 95 Out Confirmation of Alarm Status. 0 = Alarm, 1 = Normal. 4 Air Flow DGT 95 Out Confirmation of Air Flow. 0 = No Flow, 1 = Flow.
CLIMATEMASTER WATER-SOURCE HEAT PUMPS DOAS CM3500 Controller R e v. : 3 1 J u l y, 2 0 1 3 Points List MODBUS Points List Unit Type: Program Version 2.1.
THE SMART SOLUTION FOR ENERGY EFFICIENCY DOAS CM3500 Controller R e v. : 3 1 J u l y, 2 0 1 3 Points List MODBUS Points List Unit Type: Program Version 2.1.x & Above Holding Register Address Description Modbus Function R/W Status 00013 Auxiliary Heating Comm. 3 00014 Supply Fan VFD Comm. 3 00015 Exhaust Fan VFD Comm. 3 00016 Outside Air Damper Comm. 3 00017 Recirc.
CLIMATEMASTER WATER-SOURCE HEAT PUMPS DOAS CM3500 Controller R e v. : 3 1 J u l y, 2 0 1 3 Points List MODBUS Points List Unit Type: Program Version 2.1.
THE SMART SOLUTION FOR ENERGY EFFICIENCY DOAS CM3500 Controller R e v. : 3 1 J u l y, 2 0 1 3 c l i m a t e m a s t e r.
CLIMATEMASTER WATER-SOURCE HEAT PUMPS DOAS CM3500 Controller R e v. : 3 1 J u l y, 2 0 1 3 Revision History Date: Item: 7/31/13 Points List Tables 10/17/11 First Published Action: Added 7300 S.W. 44th Street Oklahoma City, OK 73179 Phone: 405-745-6000 Fax: 405-745-6058 climatemaster.com *97B0065N01* 97B0065N01 ClimateMaster works continually to improve its products.
