ENGLISH Multi-Zone Technical Overview Table of Contents Introduction ..................................................................................................................................... 2-11 Nomenclature ....................................................................................................................................................... 2 Specifications ........................................................................................................................
NOMENCLATURE - Model Name Explanation ENGLISH Nomenclature 1 1U U 18 18 LC ES 2 V H A Unit Type A = Indoor Unit 1 = Single Zone Outdoor 2 = Two Zone Outdoor 3 = Three Zone Outdoor 4 = Four Zone Outdoor Product Revision System Type H = Heat Pump C = Cool Only Unit Type U = Outdoor B = Cassette Type Indoor D = Slim Duct Type Indoor M = Mid Static Duct Type Indoor H = High Static Duct Type Indoor W = Wall Mount Type Indoor Nominal Capacity In Btu/hr (x 1000) PAGE 2 Compressor Speed V = Variable Speed
SPECIFICATIONS ENGLISH Multi-Zone Indoor High Wall Indoor AW07LC2VH* AW09LC2VH* AW12LC2VH* AW18LC2VH* 18,000 Rated Cooling Capacity Btu/hr 7,000 9,000 12,000 Rated Heating Capacity Btu/hr 8,000 10,000 13,000 19,000 Voltage, Cycle, Phase V/Hz/- 208-230/60/1 208-230/60/1 208-230/60/1 208-230/60/1 Fan Speed Stages 5+Auto 5+Auto 5+Auto 5+Auto Airflow (Turbo/High/Med/Low/Quiet) CFM 410/350/295/235/205 410/350/295/235/205 440/380/320/265/215 636/530/483/430/383 Motor Speed (Turbo/Hig
SPECIFICATIONS ENGLISH Multi-Zone Indoor Concealed Indoor AD07SL2VH* AD09SL2VH* AD12SL2VH* AD18SL2VH* Rated Cooling Capacity Btu/hr 7,000 9,000 12,000 18,000 Rated Heating Capacity Btu/hr 8,000 10,000 13,000 19,000 Voltage, Cycle, Phase V/Hz/- 208-230/60/1 208-230/60/1 208-230/60/1 208-230/60/1 Fan Speed Stages Airflow (Turbo/High/Med/Low/Quiet) 5+Auto 5+Auto 5+Auto 5+Auto 353/312/270/230/188 353/312/270/230/188 400/353/282/247/218 540/500/447/365/306 950/850/750/650/550 950/85
SPECIFICATIONS Multi-Zone Outdoor Cooling Nonducted Cooling Ducted Heating Nonducted Heating Ducted Operating Range Power Supply Outdoor 2U18MS2VH* 3U24MS2VH* Rated Capacity Btu/hr 17,400 22,600 34,000 Capacity Range Btu/hr 4,400-19,400 5,000-24,500 5,000-36,000 Rated Power Input W 1,650 2,250 3,770 SEER 16.0 18.0 18.0 EER 10.5 10.0 9.0 Rated Capacity Btu/hr 15,000 21,000 31,000 4,400-19,400 5,000-23,000 5,000-34,000 Rated Power Input W 1,760 2,416 3,590 SEER 16.
ENGLISH SAFETY OVERVIEW Read These Safety Precautions Be sure to read the safety precautions before conducting work. The items are classified into “Warning” and “Caution.” The “Warning items are especially important since they can lead to death or serious injury if not followed closely. The “Caution” items can also lead to serious accidents under some conditions if they are not followed. Therefore, be sure to observe all safety precautions listed here.
SAFETY OVERVIEW Be sure to use the specified cable to connect between the indoor and outdoor units. Make the connections securely and route the cable properly so that there is no force pulling the cable at the connection terminals. When connecting the cable between the indoor and outdoor units make sure that the terminal cover does not lift off or dismount because of the cable.
ENGLISH OVERVIEW & INTRODUCTION Functions and Controls Auto Mode Dry Mode (Dehumidifying mode) When the running mode is turned to auto after starting the system, the system will first determine the running mode according to the current room temperature and then will run according to the determined mode: Tr means room temperature; Ts means temperature setting; Tp means temperature of indoor coil pipe Tr≥73°F Choose Cooling Mode Tr<73°F Choose Heating Mode After turning to the auto mode, the running mode w
OVERVIEW & INTRODUCTION Heat Mode mode. * temperature control range: 60---86°F * temperature difference: ±2°F 4. During the cold air proof operation, the indoor system will continuously send ‘indoor high speed’ signals to the outdoor system. Control feature: the temperature compensation is automatically added and the system will send the heating signals to the outdoor system. If Tr≤Ts, the outdoor compressor is turned on, the indoor fan will be at the cold air proof mode.
ENGLISH OVERVIEW & INTRODUCTION Indoor Unit Operating Mode Conflicts Indoor System Mode Conflict Low Load Protection Control The indoor unit is trying to operate in a mode that is opposite of the mode the outdoor unit is currently operating in. Change the operating mode to either heat or cool, or the indoor unit will shut off.
OVERVIEW & INTRODUCTION Multi-Zone Outdoor When the compressor first starts The Control of the Outdoor Unit Expansion Valve The compresor will start in low frequency. After a brief time delay, the compressor will come up to operating speed to meet the demand requirement for capacity. When unit starts, the EEV valves will energize and change to a standard opening. When operation starts, the EEV will change position to keep the suction vapor superheat level at around 10°F.
ENGLISH PAGE 12 TECHNICAL OVERVIEW
Outdoor Unit Technical Overview ENGLISH Outdoor Unit Technical Overview Introduction - Overview The outdoor unit features a variable speed rotary type compressor that delivers refrigerant flow to up to 4 individual indoor units. The system uses R-410A refrigerant mixed with PVE oil. The system is rated to operate at 208/230 volts single phase 60 Hz power. Indoor units compatible with this model include high wall type, slim duct type and cassette type.
TECHNICAL OVERVIEW ENGLISH Electronic Control Unit Circuit Board (ECU) Electronic Control Unit Circuit Board (ECU) The Electronic Control Unit operates the outdoor fan motor, crankcase heater, EEV stepper motors and the 4-way valve. This board also controls the general operation of the system and makes all of the diagnostic decisions. The ECU is connected via communication cables to the Module Circuit Board, Power Circuit Board and the Service Monitor Board.
OUTDOORTechnical UNIT TECHNICAL - OverviewOVERVIEW Module Circuit Board (MCB) 4 The MCB generates heat that is transferred to a heat sink located on the back of the board. The heat sink transmits this heat to the outdoor air. A temperature sensor Tm is attached to the inverter semi-conductor chip. 1 The Module Circuit Board generates 3 phase DC power to operate the variable speed compressor. The compressor is connected to the MCB via terminals CN-5. CN-6 and CN-7.
OUTDOORwUNIT eivreTECHNICAL vO lacinhceTOVERVIEW ENGLISH Power Circuit Board (PCB) Power Circuit Board (PCB) 3 The purpose of the Power Circuit Board is to filter out potential electrical noise before it reaches the outdoor unit electronic circuits. All voltage to operate the outdoor unit circuits must pass through the PCB. 1 A replaceable 25A 250V rated ceramic fuse protects the outdoor unit electronics. The fuse would open if a power surge or internal short in the outdoor unit occurred.
OUTDOOR UNIT TECHNICAL OVERVIEW Outdoor Unit Components ENGLISH 4 Way Valve Outdoor Fan Motor Outdoor Fan Motor 4 Way Valve The Outdoor Fan Motor is a variable speed motor. The motor is energized via a connection plug on the ECU. The motor is powered by line voltage from the ECU. The motor has a PWM circuit that feeds back voltage to the ECU. The ECU will control the speed of the motor by a DC voltage applied to the yellow wire of the connection plug.
OUTDOOR UNIT TECHNICAL OVERVIEW ENGLISH Outdoor Unit Components When a call for cooling or heating occurs, the EEV will be positioned to a starting position. The starting position is based upon the Outdoor Ambient Air Temperature. For example, in cooling mode, at outdoor air temperature above 68°F, the starting position of the valve will be 250 pulses. If the Outdoor Air Temperature is lower than 68°F, the valve will be opened to a position equal to 210 pulses.
OUTDOOR UNIT TECHNICAL OVERVIEW Temperature Sensors Outdoor Unit The outdoor unit has two groups of temperature sensors. The first group of sensors are Liquid and Gas Sensors that are associated with each indoor unit EEV. These sensors monitor the leaving liquid temperature from the EEV and the returning Suction Vapor temperature from the indoor units. The difference between the two temperatures is used to calculate the operational suction vapor superheat level of each calling indoor unit.
ENGLISH OUTDOOR UNIT SEQUENCE OF OPERATION The outdoor unit is capable of controlling up to 4 individual indoor units. The outdoor unit will vary compressor capacity and outdoor fan motor speed to match the demand requirement from the indoor units. All capacity and diagnostic decisions are controlled by the outdoor unit ECU. During any period where the outdoor unit is running, all indoor units must be in the same mode of operation.
OUTDOOR UNIT SEQUENCE OF OPERATION Cooling Mode Sequence of Operation 2 Temperature Sensor Toci The temperature of the hot gas leaving the 4 way valve will be monitored by the Toci Temperature Sensor. This temperature should be near the temperature of the compressor discharge gas temperature. If it is not, there is a problem with the 4 way valve. The ECU will detect the temperature difference and generate an Error Code.
OUTDOOR UNIT SEQUENCE OF OPERATION ENGLISH Heating Mode Sequence of Operation 7 4-way valve coil: Refrigerant flow in cooling OFF ON Refrigerant flow in heating Compressor Discharge temp. sensor 1 Oil separator 2 Unit A gas pipe temp. sensor Indoor unit A 3 Unit B gas pipe temp. sensor Indoor heat exchanger temp. sensor Indoor unit B Accumulator Capillary tube φ2.7*φ1.0*55in High pressure switch Gas stop valve Pipe sensor Toci 4-way valve Unit C gas pipe temp.
OUTDOOR UNIT SEQUENCE OF OPERATION Heating Mode Sequence of Operation The hot gas entering the indoor coil will condense into a saturated mix and then be subcooled. The refrigerant will return to the outdoor unit via the mixed phase small line. 4 Temperature Sensor Tc2 This sensor monitors the temperature of the refrigerant liquid returning from the indoor coil. If abnormally warm liquid is sensed, the ECU will make inverter or indoor fan motor speed changes to compensate.
OUTDOOR UNIT TEMPERATURE SENSOR RESPONSES ENGLISH Outdoor Unit Control Information 10.2.1 Outdoor frequency control A. The compressor running frequency is range is 20-95 RPS. 10.2.2 Electronic expansion valve (EEV) control A: EEV SPECIFICATION: Maximum open angle is 500 pulses. Driving speed is PPS. B: Start-up EEV Conditional state When the system is in the Cool/Dry mode, the standard open angle of the EEV will be set at a position that is determined by the temperature of the outdoor air.
OUTDOOR UNIT TEMPERATURE SENSOR RESPONSES Forced Defrost Operation 10.2.8. The system can be placed into a forced defrost cycle from the wired controller. The system will remain in defrost until sensor Te has sensed 53.6°F for at least 1 minute or until the defrost cycle has reached 10 minutes total runtime. A forced defrost cycle can be initiated with the compressor off. The system will enter a 3 minute time delay prior to energizing the compressor. 10.2.7 Defrosting Time Flowchart 10.2.
10A, the frequency of the compressor decreases at the speed of 0.1HZ/second. Forced Defrost Operation There are times when the switch is not active. The periods of inactive switch operation are: 1. When the compressor starts up the switch will be off for 8 minutes. When the system is defrosting the switch is not active. In the oil return cycles the switch is not active. In the refrigerant discharging procedure after the oil return in cooling is over the switch is not active. 2. 3. 4.
OUTDOOR UNIT TESTING PROCEDURES EEV testing If the compressor fails to start, the compressor may have an internal electrical failure, the compressor may be seized mechanically, or the Module Control Board (MCB) may be bad. To test for a bad failed compressor, perform the following test: 1. Disconnect power and allow 10 minutes. Restore power and call for normal operation. If the compresssor starts, the system may have been in a protection mode that prevented the compressor from running.
ENGLISH OUTDOOR UNIT TESTING PROCEDURES Outdoor Fan Motor Testing If the outdoor unit fan motor does not run or the Service Monitor board indicates an error code of 09, check the following voltages at connector CN11 on the outdoor unit ECU board. Set the meter to read DC volts with a minimum voltage range of 350 volts. All voltage values are approximate. Initiate forced cooling. (Press and hold the power button for 10 seconds on the wired controller.
OUTDOOR UNIT TESTING PROCEDURES Restricted/Sticking Outdoor Unit Check Valve Test The temperature sensors are negative coefficient type. These sensors will reduce their electrical resistance as temperature decreases. Should the sensors fail, the ECU will generate an appropriate Error Code. The Check Valve allows refrigerant to flow freely around the outdoor unit heat mode EEV during cooling mode. The valve is a one directional device.
OUTDOOR UNIT ERROR CODES ENGLISH Outdoor Unit Error Codes If the ECU generates a system ERROR CODE, the code will be displayed on the outdoor unit numeric display. Additionally, error codes generated by the outdoor unit will be displayed on the indoor unit circuit boards. The codes displayed on the indoor unit circuit boards will be represented by flash codes on LED indicators. The error codes displayed on the indoor unit consumer display will not match the outdoor unit code numbers.
OUTDOOR UNIT ERROR CODES Pressure Switch Error Codes There are two pressure switches in the outdoor unit, a low pressure switch and a high pressure switch. They connect to the ECU via plugs CN-12 and CN-13. The low pressure switch is connected at CN-12 and the high pressure switch at CN-13. A low pressure error will generate an Error Code 44. A high pressure error will generate an Error Code 45.
ENGLISH OUTDOOR UNIT ERROR CODES Indoor Unit and Outdoor Unit Communication Errors Error Code 15 This error indicates the indoor unit and outdoor unit are having a problem communicating information. The wiring path for the data signal is between Terminals 3 to 1 on the Terminal Blocks connecting the indoor unit to the outdoor unit. If the path is correct, the GREEN LED on the Service Monitor Board should be lit.
OUTDOOR UNIT ERROR CODES ENGLISH Error Codes Related to the MODULE Board Operation Error Codes Related To The MODULE Board Operation Error Code 2 The module board detected excessive instantaneous current compressor , IPM hardware automatically stopped the Module Board output to protect the compressor.
ENGLISH OUTDOOR UNIT ERROR CODES Error Codes Related to MODULE Board Operation Error Code 26 Possible Causes: CPU module reset indicates possible drive module power anomalies. Usually when the low line voltage conditions are present. Check for line voltage problems.
Indoor Unit Technical Overview ENGLISH INDOOR UNIT TECHNICAL OVERVIEW Indoor Wall Mount Unit Components 5 Return Air Temperature Sensor 4 Pipe Sensor Evaporator Coil Control 7 Board 6 Display Terminal 1 Block Fan 2 Motor Horizontal Louver 3 Stepper Motor Vertical Louvers 3 Stepper Motor The wall mounted units act as evaporator coils during cooling mode and condenser coils during heating mode. These units have gravity condensate drain systems.
INDOOR UNIT TECHNICAL OVERVIEW ENGLISH Indoor Wall Mount Unit Circuit Board The Indoor Unit Circuit Board communicates with the outdoor unit ECU via a connection at Terminal Block screw 3. The data pulse that sends the communication information can be measured with a voltmeter placed to DCV range. From the ground connection at the Terminal Block to the Number 3 screw connection, the voltage should pulse up and down when data is being transmitted.
INDOOR WALL MOUNT UNIT TECHNICAL OVERVIEW Temperature Sensors Blower Assembly The Piping Temperature Sensor senses indoor coil temperature in the cooling mode and in the heating mode. This sensor is used for Anti Freezing and Anti Cold Blow cycles. The sensor also provides critical temperature information to the ECU that may be used in frequency adjustments. See Temperature Sensor Functions.
INDOOR WALL MOUNT UNIT TECHNICAL OVERVIEW ENGLISH Test Procedures Accessing components/removing cover 1. 2. 3. 4. 5. 6. Open the 3 caps that cover the screws located behind the bottom of the louver. These caps flip up. 7. Remove the three screws located behind the caps. 8. Remove the two screws that hold the digital display to the front cover. The display can hang free. 9. Release the air temperature sensor from the clip that holds it. 10.
INDOOR WALL MOUNT UNIT TECHNICAL OVERVIEW Indoor Fan Motor Voltage Check 1. 2. Remove the front cover and access the circuit board connection CN-9. Reset power and turn the remote control fan command to Fan On mode. 310VDC Pins 1 - 3 Motor Test 1. If the motor doesn’t run, check for 310VDC between Pins 1 and 3. If it is not present, the indoor board is bad. If voltage is present, continue on. 2. Check the voltage between Pins 3 and 4. The voltage should be +15VDC.
INDOOR WALL MOUNT UNIT TECHNICAL OVERVIEW ENGLISH Step 6. Remove 6 screws that hold the motor bracket and Step 9. Unplug the motor from the circuit board. evaporator coil. Step 7. Lift the evaporator coil and remove the motor bracket. Step 8 Loosen the motor shaft set screw. Phillips head screw. Step 10. Lift and slide the motor away from the blower wheel. Step 11. Remove the two black anti vibration mounts from the defective motor and place them on the new motor.
INDOOR WALL MOUNT UNIT SECTION Testing Temperature Sensors and Louver Motors The Reference Section of this manual contains temperature resistance tables that can be used to check the calibration of the sensors. The measured resistance must be within the tolerances printed on the top of the tables. To test the electrical condition of a temperature sensor perform the following: 1. Confirm the sensor is firmly attached to the circuit board connection plug. 2.
ENGLISH INDOOR WALL MOUNT UNIT SECTION Testing Communication Circuit Antifreezing Protection Antifreezing Protection Testing Communication Circuit If an Error E7 occurs, perform the following test to determine if the indoor control board is functioning properly to send data to the outdoor unit. Perform this test with the unit powered and all wiring connected between indoor and outdoor unit. Make sure all wiring between the indoor and outdoor unit are correct.
INDOOR WALL MOUNT UNIT ENGLISH Indoor Unit Error Codes Indoor Unit Error Codes (HSU218VHG Only) The error codes that are displayed on the indoor units may vary from the outdoor unit codes. The information communicated by the error code will be the SAME for both indoor and outdoor units even though the numbers may differ. Error Code E7 This code is indicating the indoor and outdoor units have lost communication signal. Check wiring between indoor and outdoor unit. Confirm 14 gauge AWG stranded wire present.
ENGLISH INDOOR WALL MOUNT UNIT Indoor Unit Error Codes Error Code F11 Error Code F4 This code indicates the temperature of the compressor hot gas is too high. This error would have occurred despite the ECU attempt at reducing operating frequency. Causes of this type of condition are typically a lack of refrigerant in the system, excessive heat in the conditioned space or a restriction in the refrigeration circuit. Error Code F8 This code indicates the outdoor fan motor is not running.
INDOOR WALL MOUNT UNIT ENGLISH Connection method for one wired controller with multiple Wall Mount Alert! Ensure do any of the operating during power off. The wired remote can connect up to16 indoor units at the same time, but each high wall indoor request 1 wired controller kit WK-B. Up to 16 indoor unites can be connected by the wired remote at the same time, but each one requests 1 wired controller kit WK-B. SW1 WK-B CN4 CN3 CN5 CN2 CN1 High Wall ... ...
ENGLISH INDOOR WALL MOUNT UNIT INDOOR WALL MOUNT UNIT Connection method for one wired controller with multiple Wall Mount Unit No.
Cassette Unit Technical Overview Cassette Unit Components The indoor cassette type units act as evaporator coils during cooling mode and condenser coils during heating mode. These units have a built in condensate pump with an associated condensate level switch. The condensate pump is capable of lifting water out of the indoor unit. If high water lift is needed, the water from the cassette pump should be pumped into a field supplied condensate pump with high lift power.
CASSETTE UNIT TECHNICAL OVERVIEW ENGLISH Cassette Unit Indoor Circuit Board 3 15 7 6 5 11 12 9 8 13 4 14 10 2 1 1 N Terminal 8 CN11 Wired Remote 2 L Terminal 3 Communication Terminal 9 DIP Switches 10 CN7 Stepper Motor 4 3.15A 250V Fuse 11 CN6 Fan Motor 5 CN3 Pipe/Room Temp Sensors 12 CN9 Condensate Pump 6 CN19 Float Switch 7 CN21 Louver Panel 13 CN4 U-HOME 14 CN13 Remote Central 15 CN1 Room Card The indoor unit circuit board controls the switching functions of the indoor unit.
CASSETTE UNIT TECHNICAL OVERVIEW 2014.11.29 Cassette Unit Wiring Diagram PANNEL DC FAN ROOM TEMP.
CASSETTE UNIT TECHNICAL OVERVIEW ENGLISH Cassette Unit Components The Blower Assembly The blower assembly consists of a plastic blower wheel that is connected to a PSC indoor blower motor. A set screw holds the blower wheel to the blower motor. The Piping Temperature Sensor senses indoor coil temperature in the cooling mode and in the heating mode. This sensor is used for Anti Freezing and Anti Cold Blow cycles.
CASSETTE UNIT TECHNICAL OVERVIEW Cassette Unit Components ENGLISH Accessing the blower motor and condensate pump A1. A2. A3. A4. A5. A6. A7. A8. Disconnect power to the outdoor unit. Remove the louver assembly. Disconnect the main power wire to the indoor unit. Unplug the condensate pump and float switch from wiring harness. Unplug fan motor from wiring harness. Remove ground wire from ground screw on electrical box. Remove 5 screws holding foam condensate pan bottom in place.
CASSETTE UNIT TECHNICAL OVERVIEW ENGLISH Cassette Unit Testing Procedures: Accessing Components/Removing Cover Indoor Fan Motor Test Procedure Indoor Motor If the indoor fan motor does not run. 1. 2. 3. Disconnect power to the system. Remove the return air cover and access the circuit board connection CN-11. Reset power and turn the remote control fan command to Fan On mode. Motor Test 1. If the motor doesn’t run, check for voltage on the CN-11 between the Plug N Pin to all 3 speed pins.
CASSETTE UNIT TECHNICAL OVERVIEW Cassette Unit Sensor Testing Procedures ENGLISH Testing Temperature Sensors Temperature Sensor The easiest problems to solve will involve codes that are related to potential failure of temperature sensors. Common problems may include loose connections, open electrically, and out of calibration. Checking the condition of the sensors requires a temperature probe and an ohmmeter.
ENGLISH CASSETTE UNIT TECHNICAL OVERVIEW Cassette Unit Testing Procedures: Louver Motor Testing Louver Motors Take electric box cover off If the louver does not operate with command from the remote control, either the indoor board is bad, or the louver motor is defective. It is more likely the motor is defective than the board. (Make sure the louver assembly is not binding and keeping the vanes from moving.) 1. Remove power from the unit and remove the indoor unit cover. 2. Access the circuit board.
CASSETTE UNIT TECHNICAL OVERVIEW Testing Communication Circuit Check E7 If an Error E7 occurs, perform the following test to determine if the indoor control board is functioning properly to send data to the outdoor unit. Perform this test with the unit powered and all wiring connected between indoor and outdoor unit. Make sure all wiring between the indoor and outdoor unit are correct. There should no splices between the indoor and outdoor unit wiring connecting terminals 1 or 3.
ENGLISH INDOOR CASSETTE UNIT Connection method for one wired controller with multiple Cassette Alert! Ensure do any of the operating during power off For wired controller connect with cassette (AB**SC2VH*) Step 1: The wiring connection between ①wired controller - the master unit (directly connected to the wired controller), ②master unit - slave unit, ③slave unit-slave unit should be one to one match of all three lines. The connection wiring is as following, and max.
INDOOR CASSETTE UNIT Connection method for one wired controller with multiple Cassette BM3-8 BM3-7 BM3-6 BM3-5 Master indoor unit 0 0 0 0 Slave unit 1 0 0 0 1 Slave unit 2 0 0 1 0 Slave unit 3 0 0 1 1 Slave unit 4 0 1 0 0 Slave unit 5 0 1 0 1 Slave unit 6 0 1 1 0 Slave unit 7 0 1 1 1 Slave unit 8 1 0 0 0 Slave unit 9 1 0 0 1 Slave unit 10 1 0 1 0 Slave unit 11 1 0 1 1 Slave unit 12 1 1 0 0 Slave unit 13 1 1 0 1 Slave unit 14 1 1 1
Slim Duct Unit Technical Overview The Slim Duct Indoor Unit will act as evaporator coils during cooling mode and condenser coils during heating mode. This unit can operate with a motorized supply air louver or it can have a LIMITED amount of ducting added to the unit’s return and supply air duct connection flanges. The return air ducting can be connected to the end of the cabinet or the bottom blank off plate can be removed for bottom return configuration.
ENGLISH SLIM DUCT OVERVIEW Slim Duct Components Layout of Components Drain Ports The layout of the system is very straightforward and components are easily accessed should service be required. The indoor unit has the option for either gravity drain systems or the use of an internal condensate pump with float switch. The pump is capable of minimal lift. If high lift is required, the water from the Slim Duct unit should be pumped to a field supplied condensate pump that is capable of high lift.
SLIM DUCT TECHNICAL OVERVIEW Indoor Unit Circuit Board air temperature sensing functions. All operational decisions are controlled by the OUTDOOR UNIT ECU. The indoor unit circuit board controls the switching functions of the indoor unit. All control decisions are made by the outdoor unit ECU. The indoor board has some limited diagnostic capability which will be covered in this manual.
SLIM DUCT TECHNICAL OVERVIEW ENGLISH Slim Duct Components SW1 DIP Switches Accessory Louver Motors The louver motors are stepper type motors that move the louvers up/down. The motors are controlled by pulsed voltage that cannot be measured. If the louver does not move when it should, check for a bind in the louvers. If the louver is free to move, refer to the Test Procedure Section. There are two sets of DIP switches on the Circuit Board. SW3 is for factory use only.
SLIM DUCT TESTING PROCEDURES Testing Temperature Sensors Procedure If the internal condensate pump does not operate, the pump may be bad or the float switch may be defective. Perform the following test: To test the electrical condition of a temperature sensor perform the following: Float Switch and Condensate Pump 1. 2. 1. Access the electrical control box. 2. Unplug the float switch from the circuit board. Plug CN-18. 3. The pump should start. 4.
SLIM DUCT TESTING PROCEDURES ENGLISH Testing Communication Circuit If an Error E7 occurs, perform the following test to determine if the indoor control board is functioning properly to send data to the outdoor unit. Perform this test with the unit powered and all wiring connected between indoor and outdoor unit. Make sure all wiring between the indoor and outdoor unit are correct. There should no splices between the indoor and outdoor unit wiring connecting terminals 1 or 3.
INDOOR SLIM DUCT Cassette Alert! Ensure do any of the operating during power off. For wired controller connect with slim duct (AD**SL2VH*) Step 1: The wiring connection between ①wired controller - the master unit (directly connected to the wired controller), ②master unit - slave unit, ③slave unit-slave unit should be one to one match of all the three wires. The connection wiring is as following, and maximum quantity of the connected indoor units is 16.
INDOOR SLIM DUCT ENGLISH Connection method for one wired controller with multiple Slim Duct Wired controller address SW3-4 SW3-3 SW3-2 SW3-1 Master indoor unit 0 0 0 0 Slave unit 1 0 0 0 1 Slave unit 2 0 0 1 0 Slave unit 3 0 0 1 1 Slave unit 4 0 1 0 0 Slave unit 5 0 1 0 1 Slave unit 6 0 1 1 0 Slave unit 7 0 1 1 1 Slave unit 8 1 0 0 0 Slave unit 9 1 0 0 1 Slave unit 10 1 0 1 0 Slave unit 11 1 0 1 1 Slave unit 12 1 1 0 0 Slave unit 13 1
Wired Controller YR-E17 Features and Interface Clock; Parameter setting/Inquiry; Malfunction display Timer ON/OFF; Sleep function; Parameter setting/Inquiry; Malfunction display ROOM/SET temp. and humidity display, each step is 0.5°C (1°F). For example, if the temp is 25°C (77°F), it will display 25.°C (77°F). Humidity display function is reserved. Energy Saving function. This icon will be displayed only when energy saving function is set.
WIRED CONTROLLER INSTALLATION ENGLISH Wired Controller Wiring Instructions Communication Wiring Step By Step Guide To Installation There are three methods connect the wired controller to the indoor units. A. One wired controller controls one indoor unit; the indoor unit connects with the wired controller through a 3 conductor shielded cable Communication Wiring length Dimension of Wiring 0~100 ft (0~30m) 22AWG(0.3mm )x3‐core shielded wire 100~200 ft (30~60m) 20AWG(0.
WIRED CONTROLLER INSTALLATION Wired Controller Wiring Instructions ENGLISH Dimensions Unit: inch (mm) Dip Switch Dip Switch SW1-1 SW1-2 SW1-3 SW1-4 SW1-5 SW1-6 SW1-7 SW1-8 PAGE 68 ON/OFF ON OFF ON OFF ON OFF ON OFF ON OFF ON OFF ON OFF ON OFF Function Set as the slave controller Set as the master controller Ambient temp. display available Ambient temp. display unavailable Display ambient temp. from PCB of indoor Display ambient Temp.
WIRED CONTROLLER OPERATION ENGLISH Settings & Functions Switching between Fahrenheit & Celsius Initialization The wired controller will momentarily display all display icons upon powering up or when resetting the system. To switch from Celsius to Fahrenheit, select the mode you wish to operate (COOL, HEAT, DRY, INTELLIGENT/AUTO). Press and hold the p key to reach 30 °C then continue holding the p key for 15 seconds until the display reads 86 °F. Use the pq keys to adjust to desired temperature.
WIRED CONTROLLER OPERATION Settings & Functions NOTE: This function requires the ON/OFF key LED to be turned ON and the screen backlight to be illuminated. Press the SET key. The swing louver function icon will be displayed. Press the pq keys to advance through the functions to select ECO function. (The icon will be flashing) Press the SET key to confirm the setting. The ECO icon will remain on. NOTE: The display backlight must be illuminated before proceeding.
WIRED CONTROLLER OPERATION ENGLISH Settings & Functions Left/Right/Up/Down Swing Forced Cooling/Heating The swing function determines air circulation. Note: This function requires the ON/OFF key LED to be turned OFF and the screen backlight to be illuminated. 1. Press SET key to access Swing function circulation. 2. Use pqkeys to select desired swing function. Forced Cooling When the system is turned off in cooling mode, press and hold the ON/OFF key for 10 seconds.
WIRED CONTROLLER OPERATION Settings & Functions Other Functions NOTE: This function requires the ON/OFF key LED to be turned ON and the screen backlight to be illuminated. Note: These functions require the ON/OFF key LED to be turned OFF and the screen backlight to be illuminated. Press the SET key. The swing louver function icon will be displayed. Press the pq keys to advance through the functions to select the SLEEP function. The Sleep and Sleep “off” time icons will be displayed.
Wireless Remote Controller Functions Running the unit in QUIET mode for a long period of time may cause the room temperature to not reach the set temperature. If this occurs, cancel QUIET mode and set the fan speed to a higher setting. 3 COOL Button In COOL mode, the unit operates in cooling. When FAN is set to AUTO, the air conditioner automatically adjusts the 7 will be fan speed according to room temperature. The displayed during COOL mode.
WIRELESS REMOTE CONTROLLER OPERATION ENGLISH 9 Louver SWING Button - Vertical Air Flow Direction Adjustment Press the SWING UP/DOWN button to choose the position of the vertical airflow louvers. 4. Once the desired length of time is selected for the unit to to confirm turn on, press the CONFIRM/CANCEL this setting. The remote control display changes as follows: BLANK 0.5h Status display of air flow COOL/DRY: TIMER ON TIMER OFF 0.5h TIMER ON-OFF 0.
WIRELESS REMOTE CONTROLLER OPERATION According to the Time setting sequence of TIMER ON or TIMER OFF, either Start-Stop or Stop-Start can be achieved. 13 SLEEP Button Sleep mode Press the Extra Function button to enter additional options, cycle the button to display the icon will flash. Press the Confirm/Cancel enter the sleep function. icon, the button to Sleep Operation Mode 1.
ENGLISH WIRELESS REMOTE CONTROLLER OPERATION G) Fahrenheit/Celsius mode shift on unit and remote To switch between Fahrenheit and Celsius press the EXTRA FUNCTION button until either Celsius or Fahrenheit button to is displayed. Press the CONFIRM/CANCEL apply the change. H) 50°F low temperature heating - Feature not available on this series. I) Electrical heating - Feature not available on this series. 15 HEALTH Button Feature not available on this series.
REFERENCES ENGLISH Troubleshooting Trouble shooting Outdoor Outdoor unit fault possible reasons LED display 1 Faulty of outdoor unit EEPROM 2 IPM overcurrent or short circuit Wired controller display(Hex)---for duct 15 16 Cassette indoor display outdoor Timer lamp Running lamp flash time flash time 2 1 2 2 Wall mounted indoor display F12 F1 4 Communication failure between Module and ECU 18 2 4 F3 5 6 Module operated overload Module low or high voltage Discharging temperature overheating.
ENGLISH REFERENCES Resistance Values for Wall Mounted, Ducted, and Cassette Units Yellow Blue White Black Red Blue Violet Yellow Orange Red Blue Violet Yellow Orange Red Wall Mount Fan Motor Resistance Values Yellow Blue White Black 345K Ω 238K Ω Infinity Ω 4.7K Ω 4.
REFERENCES ENGLISH Error Detection The LED flashes when any of the following errors are detected: 1. When a protection device of the indoor or the outdoor unit activated or when the thermistor malfunctions, disabling equipment operation 2. When a signal transmission error occurs between the indoor and outdoor units. In either case. conduct the appropriate diagnostic procedures.
ENGLISH REFERENCES Problems & Solutions Problem Piping Length Limits Length Limits PAGE 80 REFERENCES
REFERENCES REFERENCES ENGLISH Component Ratings PAGE 81
REFERENCES ENGLISH Duct work Installation Duct Work Installation Roof Installation Roof Return air box Air outlet grill Ceiling Air supply Air supply Unit Unit Return air box Return air Soft connection or static Transition Indoor unit box duct Return air Rounded duct Tie-in of air distribution Air distribution Air return blind Air return duct Indoor unit Rivet Use rivet to connect the air return duct on the air return inlet of the indoor unit, then connect the other end with the air retur
REFERENCES Wiring ENGLISH Cover plate of the outdoor unit to expose the terminal block connections. Line Voltage from Circuit Breaker/Disconnect to outdoor unit wire terminal Always follow local and national codes when installing electrical wiring. The required fuse size can be found in the product specification section of this manual. Connect wiring from indoor units Use 14/4 AWG Stranded wire when connecting the outdoor unit to the indoor unit.
REFERENCES ENGLISH Wiring PAGE 84 REFERENCES
REFERENCES REFERENCES ENGLISH Wiring PAGE 85
REFERENCES ENGLISH Wiring PAGE 86 REFERENCES
REFERENCES REFERENCES ENGLISH Wiring PAGE 87
REFERENCES ENGLISH Wiring PAGE 88 REFERENCES
REFERENCES ENGLISH Wiring 2U REFERENCES PAGE 89
REFERENCES ENGLISH Wiring CN20 PAGE 90 Connector for room card REFERENCES
REFERENCES ENGLISH Wiring SWI REFERENCES PAGE 91
REFERENCES ENGLISH Wiring PAGE 92 REFERENCES
REFERENCES ENGLISH Wiring PCB(1) CN9 CN3 CN36 CN10 CN2 CN11 CN1 CN15 CN16 CN17 CN18 CN19 CN20 CN21 CN22 CN23 REFERENCES CN24 CN25 CN28 PAGE 93
REFERENCES ENGLISH CIRCUIT DIAGRAMS PAGE 94 REFERENCES
REFERENCES REFERENCES ENGLISH CIRCUIT DIAGRAMS PAGE 95
REFERENCES ENGLISH WIRING DIAGRAMS PAGE 96 REFERENCES
REFERENCES REFERENCES ENGLISH WIRING DIAGRAMS PAGE 97
REFERENCES ENGLISH 2U - Piping Installation Dimensions PAGE 98 REFERENCES
REFERENCES ENGLISH 2U - Piping Installation Dimensions In case elevation B is more than 16 feet, the oil trap should be installed every 16 to 23 feet.
REFERENCES ENGLISH Refrigerant Diagram PAGE 100 REFERENCES
REFERENCES REFERENCES ENGLISH Refrigerant Diagram PAGE 101
REFERENCES ENGLISH 3U - Piping Installation Dimensions PAGE 102 REFERENCES
REFERENCES REFERENCES ENGLISH 4U - Piping Installation Dimensions PAGE 103
ENGLISH FLOW CHARTS flashes flashes flashes flashes When the thermistor input is more than4.92V or less than 0.08V during compressor operation Caution: Be sure to turn power off before connecting or disconnecting the connector, or parts may sustain damage.
FLOW CHARTS ENGLISH Indoor EEPROM error Outdoor EEPROM error; Outdoor LED flashes 1 time When the data of the EEPROM is in error or the EEPROM is damaged Caution: Be sure to turn power switch off before connecting or disconnecting the connector, or parts may sustain damage.
ENGLISH FLOW CHARTS When the detection rotation signal is not received in 2 minutes Operation halts due to broken connections inside the fan motor Fan motor overheat protection Operation halts due to broken fan motor lead wires Detection error due to faulty indoor unit PCB Caution: Be sure to turn power switch off before connecting or disconnecting the connector, or parts may sustain damage.
FLOW CHARTS ENGLISH Turn off the power supply and rotate the fan by hand NO Does fan rotate smoothly? Replace fan motor YES Turn power on and operate fan NO Does it run? Check output of fan motor connector YES YES NO Is motor power voltage DC310V generated? Is the feedback command pulse generated? YES Replace indoor unit PCB NO Is motor control power DC15V generated? YES NO YES Replace indoor fan motor PCB Replace indoor unit PCB Is feedback command voltage 1-6VDC generated? YES Replace
ENGLISH FLOW CHARTS LED 1 flashes 9 times DC fan motor error is detected by checking the fan running condition When the data of the EEPROM is in error or the EEPROM is damaged DC fan motor motor protection protectiondue due to to the a fault themotor DC fanfault motor • DCfan DCinfan • DC fan motor protection due to faulty PCB Caution: Be sure to turn power switch off before connecting or disconnecting the connector, connector, or parts may orsustain parts may damage. sustain damage.
FLOW CHARTS ENGLISH LED 1 flashes 2 times IPM protection is detected by checking the operating condition of the compressor • The sytem leads to IPM protection due to overcurrent • A compressor fault leads to IPM protection • Circuit component of IPM is broken and leads to IPM protection • IPM protection due to compressor fault • IPM protection due to faulty PCB of IPM module • Circuit component of IPM is broken and caused IPM protection Caution: Be sure to turn power switch off before connecting or discon
ENGLISH FLOW CHARTS LED1 flashes 3 , 24, 25 times The current of the compressor is too high When the IPM module is damaged or the compressor is damaged. The power supply voltage is too high or too low. Caution: Be sure to turn power switch off before connecting or disconnecting connector, or Caution: Be sure to turn power switch off before connecting or disconnecting the parts may sustain damage. connector, or parts may sustain damage. Turn the unit on with the remote control.
FLOW CHARTS ENGLISH LED1 flashes 4 times • The outdoor PCB is defective and will lead to a communication fault • The IPM module is defective and will lead to a communication fault •The outdoor PCB is defective •The IPM Module is defective • Communication wiring connections Caution: Be sure to turn power switch off before connecting or disconnecting the connector, or parts may sustain damage. 1.
ENGLISH FLOW CHARTS LED1 flashes 6 times A voltage signal is fed from the voltage detection circuit to the microcomputer • Improper supply voltage •The IPM Module is defective • The outdoor PCB is defective Caution: Be sure to turn power switch off before connecting or disconnecting the connector, or parts may sustain damage. Turn on the unit with the remote control. Check to see if the compressor starts normally.
FLOW CHARTS ENGLISH LED1 flashes 8 times When the temperature compressordischarge temperature is above 230°F Caution: Be sure to turn power switch off before connecting or disconnecting the connector, or parts may sustain damage. Turn on the unit with the remote control. Measure the temperature at the exhaust temperature sensor of the compressor on the outdoor unit. Does the temperature exceed 230°F? YES The refrigerant may have leaked during installation or there may be leakage in the piping system.
ENGLISH FLOW CHARTS LED1 flashes 15 times • A defective outdoor PCB can cause communication errors • A defective indoor PCB can cause communication errors •The indoor PCB is defective •The outdoor PCB is defective • The Module PCB is defective • Communication wiring is disconnected Caution: Be sure to turn power switch off before connecting or disconnecting the connector, or parts may sustain damage.
FLOW CHARTS ENGLISH (A) Check the indoor main board YES NO Measure the voltage between Jumpers 3 and 4 of IC1 on the indoor main board with a multimeter Test the outdoor power supply Is the voltage a consistent value of 0VDC to 5VDC? If 230VAC is available but 310VDC is not, the power module is damaged. YES The indoor mainboard is damaged. Replace it. Replace it.
ENGLISH FLOW CHARTS LED1 flashes 18 times LED1 flashes 19 times When the wiring of the compressor is wrong or the connection is poor or the compressor is damaged Caution: Be sure to turn power switch off before connecting or disconnecting the connector, or parts may sustain damage. Within 3 minutes after the unit is supplied with power and turned on with the remote control, check to see if the compressor starts up.
FLOW CHARTS ENGLISH LED1 flashes 21 times Activated when the temperature being sensed by the heat exchanger rises above 149°F twice in 30 minutes Caution: Be sure to turn power switch off before connecting or disconnecting the connector, or parts may sustain damage. Use the remote control to turn on the unit. Check whether the ambient temperature is below 149°F YES Did the unit malfunction after it had run for some time? Check the room temperature. Check pipe temperature sensor.
SENSORS ENGLISH Value of Thermistor - Indoor Unit PAGE 118 REFERENCES
SENSORS ENGLISH REFERENCES PAGE 119
ENGLISH SENSORS PAGE 120 REFERENCES
SENSORS ENGLISH REFERENCES PAGE 121
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SENSORS ENGLISH REFERENCES PAGE 123
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NO. Unit Model Part code 1 0010452538 2 3 3U24MS2VHB 4U36MS2VHB Description Characteristic Discharge pipe sensor R176OF=50KΩ±3% B25/50=4450K±3% Suction pipe sensor R77OF=10KΩ±3% B25/50=3700K±3% Condensing temp.
O Temp （OF） -22 -20.2 -18.4 -16.6 -14.8 -13 -11.2 -9.4 -7.6 -5.8 -4 -2.2 -0.4 1.4 3.2 5 6.8 8.6 10.4 12.2 14 15.8 17.6 19.4 21.2 23 24.8 26.6 28.4 30.2 32 33.8 35.6 37.4 39.2 41 42.8 44.6 46.4 48.2 50 51.8 53.6 55.4 57.2 59 60.8 62.6 64.4 66.2 68 69.8 71.6 73.4 Rmax 144.350 136.519 129.381 122.638 116.268 110.249 104.563 99.190 94.111 89.311 84.518 80.484 76.428 72.591 68.963 65.530 62.283 59.210 56.300 53.547 50.940 48.472 46.134 43.918 41.819 39.830 37.944 36.157 34.462 32.854 31.362 29.881 28.507 27.
Temp （OF） 75.2 77 78.8 80.6 82.4 84.2 86 87.8 89.6 91.4 93.2 95 96.8 98.6 100.4 102.2 104 105.8 107.6 109.4 111.2 113 114.8 116.6 118.4 120.2 122 123.8 125.6 127.4 129.2 131 132.8 134.6 136.4 138.2 140 141.8 143.6 145.4 147.2 149 150.8 152.6 154.4 156.2 158 159.8 161.6 163.4 165.2 167 168.8 170.6 Rmax 10.739 10.300 9.894 9.505 9.134 8.779 8.441 8.116 7.805 7.509 7.225 6.953 6.692 6.443 6.204 5.976 5.756 5.546 5.345 5.151 4.967 4.788 4.618 4.455 4.298 4.147 4.004 3.863 3.729 3.601 3.478 3.359 3.246 3.136 3.
Temp （OF） 172.4 174.2 176 177.8 179.6 181.4 183.2 185 186.8 188.6 190.4 192.2 194 195.8 197.6 199.4 201.2 203 204.8 206.6 208.4 210.2 212 213.8 215.6 217.4 219.2 221 Rmax 1.585 1.537 1.490 1.445 1.402 1.361 1.321 1.281 1.244 1.209 1.173 1.140 1.107 1.076 1.045 1.016 0.987 0.960 0.934 0.907 0.883 0.859 0.836 0.814 0.791 0.771 0.750 0.731 R77OF=10KΩ±3% B25/50=3700K±3% Resistance tolerance% Resistance（KΩ） Rmin MAX(+) MIN(-) R（t）Normal 1.491 1.397 6.31 6.31 1.445 1.353 6.38 6.38 1.400 1.310 6.44 6.44 1.357 1.
O R77 F=23KΩ ±2% B25/50=4200K±1% O Resistance tolerance% Resistance（KΩ） Temp （ F） Rmax R（t）Normal Rmin MAX(+) MIN(-) -22 511.383 487.031 462.68 5 5 -20.2 478.574 456.022 433.47 4.95 4.95 -18.4 448.361 427.455 406.549 4.89 4.89 -16.6 420.23 400.844 381.458 4.84 4.84 -14.8 394.026 376.044 358.062 4.78 4.78 -13 369.606 352.922 336.238 4.73 4.73 -11.2 346.838 331.355 315.872 4.67 4.67 -9.4 325.602 311.229 296.856 4.62 4.62 -7.6 305.786 292.44 279.
O R77 F=23KΩ ±2% B25/50=4200K±1% O Resistance tolerance% Resistance（KΩ） Temp （ F） Rmax R（t）Normal Rmin MAX(+) MIN(-) 44.6 57.767 56.094 54.421 2.98 2.98 46.4 54.808 53.249 51.69 2.93 2.93 48.2 52.017 50.564 49.111 2.87 2.87 50 49.383 48.029 46.675 2.82 2.82 51.8 46.896 45.635 44.374 2.76 2.76 53.6 44.548 43.373 42.198 2.71 2.71 55.4 42.331 41.236 40.141 2.65 2.65 57.2 40.235 39.215 38.195 2.6 2.6 59 38.254 37.304 36.354 2.55 2.55 60.8 36.
O R77 F=23KΩ ±2% B25/50=4200K±1% O Resistance tolerance% Resistance（KΩ） Temp （ F） Rmax R（t）Normal Rmin MAX(+) MIN(-) 111.2 10.178 9.898 9.618 2.83 2.83 113 9.766 9.493 9.22 2.88 2.88 114.8 9.373 9.107 8.841 2.92 2.92 116.6 8.998 8.739 8.48 2.96 2.96 118.4 8.64 8.388 8.136 3.01 3.01 120.2 8.299 8.053 7.807 3.05 3.05 122 7.974 7.734 7.495 3.09 3.09 123.8 7.661 7.428 7.195 3.14 3.14 125.6 7.363 7.136 6.909 3.18 3.18 127.4 7.079 6.858 6.637 3.
O R77 F=23KΩ ±2% B25/50=4200K±1% O Resistance tolerance% Resistance（KΩ） Temp （ F） Rmax R（t）Normal Rmin MAX(+) MIN(-) 177.8 2.573 2.463 2.353 4.45 4.45 179.6 2.488 2.381 2.274 4.49 4.49 181.4 2.407 2.303 2.199 4.54 4.54 183.2 2.329 2.227 2.125 4.58 4.58 185 2.253 2.154 2.054 4.63 4.63 186.8 2.182 2.085 1.988 4.67 4.67 188.6 2.112 2.017 1.922 4.71 4.71 190.4 2.046 1.953 1.86 4.76 4.76 192.2 1.981 1.89 1.799 4.8 4.8 194 1.919 1.83 1.741 4.
O Temp （OF） 32 33.8 35.6 37.4 39.2 41 42.8 44.6 46.4 48.2 50 51.8 53.6 55.4 57.2 59 60.8 62.6 64.4 66.2 68 69.8 71.6 73.4 75.2 77 78.8 80.6 82.4 84.2 86 87.8 89.6 91.4 93.2 95 96.8 98.6 100.4 102.2 104 105.8 107.6 109.4 111.2 113 114.8 116.6 118.4 120.2 122 123.8 125.6 127.4 Rmax 2094.972 1975.099 1863.127 1758.449 1660.513 1568.817 1482.897 1402.336 1326.746 1255.774 1189.098 1126.419 1067.463 1011.977 959.732 910.51 864.114 820.361 779.081 740.117 703.323 668.565 635.715 604.657 575.282 547.49 521.
Temp （OF） 129.2 131 132.8 134.6 136.4 138.2 140 141.8 143.6 145.4 147.2 149 150.8 152.6 154.4 156.2 158 159.8 161.6 163.4 165.2 167 168.8 170.6 172.4 174.2 176 177.8 179.6 181.4 183.2 185 186.8 188.6 190.4 192.2 194 195.8 197.6 199.4 201.2 203 204.8 206.6 208.4 210.2 212 213.8 215.6 217.4 219.2 221 222.8 224.6 Rmax 145.099 139.078 133.336 127.858 122.63 117.641 112.879 108.332 103.989 99.841 95.879 92.091 88.472 85.011 81.703 78.538 75.51 72.614 69.842 67.189 64.649 62.216 59.886 57.653 55.515 53.465 51.
Temp （OF） 226.4 228.2 230 231.8 233.6 235.4 237.2 239 240.8 242.6 244.4 246.2 248 249.8 251.6 253.4 255.2 257 258.8 260.6 262.4 264.2 266 267.8 269.6 271.4 273.2 275 276.8 278.6 280.4 282.2 284 Rmax 20.02 19.397 18.795 18.215 17.655 17.114 16.593 16.09 15.603 15.133 14.681 14.243 13.821 13.412 13.019 12.638 12.271 11.917 11.573 11.243 10.923 10.614 10.315 10.028 9.75 9.481 9.222 8.972 8.731 8.498 8.273 8.055 7.
www.Haier.com Model #: 2U18MS2VH*, 3U24MS2VH*, 4U36MS2VH*, AB09SC2VH*, AB12SC2VH*, AB18SC2VH*, AW07LC2VH*, AW09LC2VH*, AW12LC2VH*, AW18LC2VH*, AD07SL2VH*, AD09SL2VH*, AD12SL2VH*, AD18SL2VH* Issued Date: Aug 2016 update Haier America, Wayne, NJ 07470 ©2016 Haier America Trading, LLC.
