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REMOTE CONTROLS

PAGE 68

ENGLISH

HEALTH Button

Feature not available on this series.

Confirm/Cancel Button

Function: Setting and canceling timer and other functions.

LOCK Button

Used to lock buttons and LCD display

LIGHT Button

Turns indoor unit display on and off

RESET Button

If the remote control is not functioning properly, use a pen
point or similar object to depress this button to reset the

remote.

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

is displayed. Press the CONFIRM/CANCEL

button to

apply the change.

H) 50°F low temperature heating

- Feature not available on

this series.

I) Electrical heating

Feature not available on this series.

WIRELESS REMOTE CONTROLLER OPERATION

Содержание AW07LC2VHA

Страница 1: ...ts 34 39 Testing 40 41 Error Codes 42 43 Indoor Unit Technical Overview Cassette 44 51 Components 44 47 Testing 48 51 Indoor Unit Technical Overview Slim Duct 52 57 Components 52 55 Testing 56 57 Wire...

Страница 2: ...e Outdoor 4 Four Zone Outdoor 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...

Страница 3: ...PAGE 3 ENGLISH INTRODUCTION SPECIFICATIONS Multi Zone Indoor...

Страница 4: ...PAGE 4 ENGLISH INTRODUCTION SPECIFICATIONS Multi Zone Indoor...

Страница 5: ...PAGE 5 ENGLISH INTRODUCTION SPECIFICATIONS Multi Zone Outdoor...

Страница 6: ...e conducting repair work A charged capacitor can cause electrical shock Be sure to use parts listed in the service parts of the applicable model and appropriate tools to conduct repair work Never atte...

Страница 7: ...mbustible gas leaks and remains near the unit it may cause a fire Be sure to install the packing and seal on the installation frame correctly If the packing and seal are not properly installed water c...

Страница 8: ...sor will be stopped and the malfunction will be recorded in the malfunction list The indoor system will continue to run When the temperature of the indoor coil is raised to 45 F the compressor will be...

Страница 9: ...eed for 12 seconds If other conditions are satisfied when the compressor stops the indoor system will operate at a light speed The indoor fan will stop when the coil temperature is below the heat star...

Страница 10: ...t is currently operating in Change the operating mode to either heat or cool or the indoor unit will shut off Abnormality confirmation approaches 1 Indoor temperature sensor abnormality Under the oper...

Страница 11: ...When adjusting the fan speed the unit should remain at each speed for 30 seconds to avoid speed change malfunctions In Cooling Mode the wait time between speed levels should be 15 seconds The outdoor...

Страница 12: ...e in the same mode as the first unit that was energized The Circuit Boards There are 4 control boards located in the outdoor unit To access the boards remove the top cover and the cover located to the...

Страница 13: ...MODE 8 The Crankcase Heater is energized via a connection at terminals CON 9 and CON 8 on the ECU 9 The EEV Stepper Motors are controlled via connections at terminals CN 15 through CN 20 These EEV St...

Страница 14: ...tic Codes 4 The MCB generates heat that is transferred to a heat sink located on the back of the board The heat sink trans mits this heat to the outdoor air A temperature sensor Tm is attached to the...

Страница 15: ...cts to terminals P3 and P4 The Electronic Control Unit receives power to operate via connections at terminals P5 and P6 The Compressor Module board receives power via connections at terminals P7 and T...

Страница 16: ...switch were to open during a call for cooling or heating mode operation the system will shut off the compressor and display an error code If the pressure rises to re close the switch the compressor w...

Страница 17: ...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...

Страница 18: ...up of sensors monitor key temperatures in the refrigeration circuit and outdoor unit The sensors associated with the refrigeration circuit include compressor discharge line temperature compressor suct...

Страница 19: ...rgized After a 3 minute time delay the outdoor fan motor will be energized Shortly after the outdoor fan motor turns on the compressor will start in low frequency The operating frequency of the compre...

Страница 20: ...ant leaving the EEV to calculate system superheat The low pressure low temperature refrigerant will enter the mixed phase liquid line and travel to the indoor unit Heat from the air passing across the...

Страница 21: ...y valve The 4 way valve will direct the hot gas to ALL of the indoor coils Note Any indoor unit that is in heating mode will have it s louver open and indoor fan running Non calling indoor units will...

Страница 22: ...sor will use this temperature to maintain EEV position superheat adjustment and to calculate when a defrost cycle is necessary 6 Temperature Sensor Toci This temperature sensor is now sensing the suct...

Страница 23: ...e if defrosting is needed they are Outdoor air temperature Sensor Ta and Outdoor coil temperature Sensor Te To enter a defrost cycle on demand the system must be in heat mode and the compressor must h...

Страница 24: ...or 1 2 When compressor no running if output signal of low pressure switch is low level 0 for 30 156 154 151 147 144 140 code to indoor Meanwhiel by controling the max condensating temp Tc cooling or m...

Страница 25: ...unning FQY 20HZ SV2 OFF 20HZ SV2 ON 20HZ Keep for 5 seconds unit stops and alarm occurs 3 minutes later restart up If it occurs 3 times in 1 hour it will always alarm and stop electrify again and fail...

Страница 26: ...4b 4c 4d EEV testing The EEV metering devices are stepper type valves that have up to 500 potential positional changes The electrical coil that is installed on the end of the EEV body rotates a magne...

Страница 27: ...e no more than 13 F difference between entering suction gas temperature and leaving suction gas temperature Excessive temperature rise through the suction gas path is an indication of a partial slidin...

Страница 28: ...ss or it will backseat and block refrigerant flow In heating mode this valve will backseat to force liquid refrigerant to flow into and through the Heat Mode EEV If the check valve sticks the refriger...

Страница 29: ...de 45 Error Code 39 This code indicates an electrical failure of the sensor that is used to sense the temperature of the outdoor coil The sen sor is connected to the ECU via two wires at Plug CN 14 Er...

Страница 30: ...high charge is not causing the problem Low Pressure Switch High Pressure Switch Error Code 43 or 45 This code is indicating that system pressure is too low Refer to the detailed information on sensor...

Страница 31: ...rror 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 sp...

Страница 32: ...the outdoor unit should be now lower than 187V when the compressor starts The running voltage should be no lower than 197V The incoming line voltage to the outdoor unit should never be higher than 25...

Страница 33: ...Compressor Outdoor Fan 4 Way Valve Error Codes Related To Compressor Outdoor Fan Motor 4 Way Valve Error Code 9 This code indicates the outdoor fan motor is not running The fault is detected very quic...

Страница 34: ...hese units have metering devices located in the outdoor unit The metering devices are EEV type that are controlled by the outdoor unit ECU Temperature sensors located within the wall mount unit includ...

Страница 35: ...control board has a replaceable 3 15A 250V fuse that protects against excessive current If power is present at the board but the board does not work check for continuity through the fuse Replace if th...

Страница 36: ...board will indicate a Malfunction Code E14 Louver motors The louver motors are stepper type motors that move the louvers either right left or up down The motors are controlled by pulsed voltage that...

Страница 37: ...s are located directly below the bottom of the air filter 4 Remove the filters 5 Manually open the louver 6 Open the 3 caps that cover the screws located behind the bottom of the louver These caps fli...

Страница 38: ...it is not present the board is bad If voltage is present continue on 3 Check for voltage between Pins 3 and 6 If no DC voltage is present the board is bad If voltage is present change the motor Indoor...

Страница 39: ...evaporator coil and remove the motor bracket Step 8 Loosen the motor shaft set screw Phillips head screw Step 9 Unplug the motor from the circuit board Step 10 Lift and slide the motor away from the...

Страница 40: ...esistance See chart in reference section If the sensor is within calibration the sensor is good If the sensor is out of calibration replace the sensor Tube Sensors should be removed from socket and ex...

Страница 41: ...asure the DC voltage between terminals 1 and 3 on the indoor terminal block 2 The voltage should fluctuate between 8VDC and 23VDC The fluctuating signal indicates a good communication path 3 If the vo...

Страница 42: ...ard Error Code F22 Compressor current abnormal module driver board detected that the compressor current is too large The Module board software protects it and the compressor Possible Causes overcharge...

Страница 43: ...t gas discharge line The sensor is connected to the ECU via two wires at Plug CN 14 Error Code F13 The system is low on refrigerant charge Correct leak and recharge per installation instructions in Re...

Страница 44: ...ed from the remote control The blower motor is controlled by both the remote control and by commands from the outdoor unit ECU Refer to the Remote Control Information in the Reference section for louv...

Страница 45: ...ine voltage at these connections When power is present at the indoor board the Display Power Indicator will be lit The control board has a replaceable 3 15A 250V fuse that protects against excessive c...

Страница 46: ...acitor is field replaceable 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...

Страница 47: ...te pan bottom in place A8 Slide condensate pan from cassette Removing Fan Motor RFM1 Remove holding nut from fan blade RFM2 Fan blade will slide off motor shaft RFM3 Remove Phillips head screw holding...

Страница 48: ...lts on each motor lead If voltage is not present the indoor board is bad If voltage is present between Pin N to any lead the motor s internal overload is open Wait until the motor cools and test the r...

Страница 49: ...s printed on the top of the tables Testing Procedure To test the electrical condition of a temperature sensor perform the following 1 Confirm the sensor is firmly attached to the circuit board connect...

Страница 50: ...Remove power from the unit and remove the indoor unit cover 2 Access the circuit board 3 Identify the inoperable louver motor on the schematic drawing below and disconnect the plug from the circuit b...

Страница 51: ...a good communication path 3 If the voltage does not fluctuate and the wiring is good the indoor board is defective Test Condensate Pump and Associated Float Switch If the internal condensate pump does...

Страница 52: ...d into a field supplied condensate pump with high lift power Slim Duct units are controlled by a wired controller only Duct work Installation Use rivet to connect the air return duct on the air return...

Страница 53: ...cated under the electrical control box cover The blower motor and blower assemblies and room air temperature sensor are accessed at the rear of the unit The evaporator coil and piping temperature sens...

Страница 54: ...rk check for continuity through the fuse Replace if the fuse is open The indoor unit temperature sensors are connected at Plug CN 13 When testing the calibration of these sensors the wires can be rele...

Страница 55: ...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 m...

Страница 56: ...2 Remove the sensor wires from the connection plug by releasing holding tension on the plugs tension tab 3 Use an ohmmeter to test the electrical resistance of the sensor 4 Measure the air temperature...

Страница 57: ...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 Make sure wiring is cor...

Страница 58: ...mple 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 dis played only when energy saving function is set Filter Cleanin...

Страница 59: ...00 ft 0 90m 18AWG 0 75mm2 x3 core shielded wire 300 400 ft 90 120m 16AWG 1 25mm2 x3 core shielded wire 400 500 ft 120 150m 14AWG 2mm2 x3 core shielded wire A One wired controller controls one indoor u...

Страница 60: ...ON Ambient temp display available OFF OFF Ambient temp display unavailable SW1 3 ON Display ambient temp from PCB of indoor OFF OFF Display ambient Temp from wired controller SW1 4 ON Auto restart inv...

Страница 61: ...ization the clock will default to 12 00 Within 10 seconds of the clock be ing displayed the time can be set The clock icon and minutes portion of the time display will be flashing Press the pq keys to...

Страница 62: ...r Function Setting WIRED CONTROLLER OPERATION Settings Functions Press the SET key The swing louver function icon will be displayed Press the pq keys to advance through the functions to select ECO fun...

Страница 63: ...5 seconds The child lock icon will disappear from the screen All normal functions of the keys will be restored Note This function requires the ON OFF key LED to be turned OFF and the screen backlight...

Страница 64: ...LED to be turned ON and the screen backlight to be illuminated Filter Cleaning WIRED CONTROLLER OPERATION Settings Functions Press the SET key The swing louver function icon will be displayed Press t...

Страница 65: ...rature The will be displayed during COOL mode 4 HEAT Button In HEAT mode warm air will blow out after a short period of the time due to cold air prevention function When FAN is set to AUTO the air con...

Страница 66: ...ts for times between hours 12 and 24 4 Once the desired length of time is selected for the unit to turn on press the CONFIRM CANCEL to confirm this setting The remote control display changes as follow...

Страница 67: ...sleeping function cannot be set If the sleeping function has been set and the user sets the TIMER function the sleeping function will be canceled and the unit will be set to the timer function 14 EXT...

Страница 68: ...e control is not functioning properly use a pen point or similar object to depress this button to reset the remote G Fahrenheit Celsius mode shift on unit and remote To switch between Fahrenheit and C...

Страница 69: ...unction of liquid pipe temp sensor for indoor unit A 30 4 8 F10 29 Malfunction of liquid pipe temp sensor for indoor unit B 31 4 9 F16 30 Malfunction of liquid pipe temp sensor for indoor unit C 32 5...

Страница 70: ...297 Violet 593 588 294 Yellow 595 300 Orange 295 Red DuctedVertical Louver Motor Resistance Values Orange Yellow Blue Violet Red Orange 398 398 399 200 Yellow 396 397 198 Blue 399 199 Violet 200 Red...

Страница 71: ...ted 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 indoo...

Страница 72: ...REFERENCES PAGE 72 ENGLISH Problem Problems Solutions Length Limits Piping Length Limits REFERENCES...

Страница 73: ...REFERENCES PAGE 73 ENGLISH Component Ratings REFERENCES...

Страница 74: ...Air outlet grill Air supply Unit Return air box Return air 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 return Transitio...

Страница 75: ...tion of this manual Connect wiring from indoor units Use 14 4 AWG Stranded wire when connecting the outdoor unit to the indoor unit Connect the wiring to the correct terminals based upon the piping co...

Страница 76: ...REFERENCES PAGE 76 ENGLISH Wiring REFERENCES...

Страница 77: ...REFERENCES PAGE 77 ENGLISH Wiring REFERENCES...

Страница 78: ...REFERENCES PAGE 78 ENGLISH Wiring REFERENCES...

Страница 79: ...REFERENCES PAGE 79 ENGLISH Wiring REFERENCES...

Страница 80: ...REFERENCES PAGE 80 ENGLISH Wiring REFERENCES...

Страница 81: ...REFERENCES PAGE 81 ENGLISH 2U Wiring REFERENCES...

Страница 82: ...REFERENCES PAGE 82 ENGLISH CN20 Connector for room card Wiring REFERENCES...

Страница 83: ...REFERENCES PAGE 83 ENGLISH SWI Wiring REFERENCES...

Страница 84: ...REFERENCES PAGE 84 ENGLISH Wiring REFERENCES...

Страница 85: ...REFERENCES PAGE 85 ENGLISH CN1 CN2 CN3 CN11 CN36 CN10 CN15 CN25 CN23 CN24 CN22 CN28 CN9 CN16 CN17 CN18 CN19 CN20 CN21 PCB 1 Wiring REFERENCES...

Страница 86: ...REFERENCES PAGE 86 ENGLISH CIRCUIT DIAGRAMS REFERENCES...

Страница 87: ...REFERENCES PAGE 87 ENGLISH CIRCUIT DIAGRAMS REFERENCES...

Страница 88: ...REFERENCES PAGE 88 ENGLISH WIRING DIAGRAMS REFERENCES...

Страница 89: ...REFERENCES PAGE 89 ENGLISH WIRING DIAGRAMS REFERENCES...

Страница 90: ...REFERENCES PAGE 90 ENGLISH 2U Piping Installation Dimensions REFERENCES...

Страница 91: ...llation Dimensions In case elevation B is more than 16 feet the oil trap should be installed every 16 to 23 feet In case the total pipe length B1 B2 is more than 66 feet the refrigerant should be char...

Страница 92: ...REFERENCES PAGE 92 ENGLISH Refrigerant Diagram REFERENCES...

Страница 93: ...REFERENCES PAGE 93 ENGLISH Refrigerant Diagram REFERENCES...

Страница 94: ...REFERENCES PAGE 94 ENGLISH 3U Piping Installation Dimensions REFERENCES...

Страница 95: ...REFERENCES PAGE 95 ENGLISH 4U Piping Installation Dimensions REFERENCES...

Страница 96: ...it normal Replace the thermistor Replace the indoor unit PCB NO NO YES When the thermistor input is more than4 92V or less than 0 08V during compressor operation YES Thermistor resistance check method...

Страница 97: ...wer switch off before connecting or disconnecting the connector or parts may sustain damage Indoor EEPROM error When the data of the EEPROM is in error or the EEPROM is damaged Outdoor EEPROM error Ou...

Страница 98: ...tes Note When the a c is charging do not remove or insert plugs in order to avoid damage to the motor How to Check the Fan Motor DC When the unit is operating do not remove or insert plugs in order to...

Страница 99: ...NO NO YES Is motor power voltage DC310V generated Check output of fan motor connector Replace indoor unit PCB Is the feedback command pulse generated Is motor control power DC15V generated Replace in...

Страница 100: ...out 310VDC Measure the voltage between terminals 3 and 4 of the connector about 15VDC Measure the voltage between terminals 5 and 3 of the connector about 1 6VDC Is it normal Is it normal The motor of...

Страница 101: ...be determined by evaluating the pressure of the system 2 The shaft of the compressor is seized and the compressor needs to be replaced YES IPM protection due to compressor fault IPM protection due to...

Страница 102: ...but malfunctions are reported after it has run for some time Check to see if the power supply is too high or too low Turn the unit on with the remote control Is an ERROR indicated before the compresso...

Страница 103: ...e Replace the outdoor IPM module Turn on the unit Check that the voltage between pins 1 and 2 of terminal CN23 is about 5VDC Check that the voltage between pins 2 and 3 of terminal CN23 is 15VDC Repla...

Страница 104: ...or power supply 310VDC with a multimeter Check to see if the power is 150V or 390V Error code may have resulted from power source fluctuation YES NO YES NO NO Is 230V system power OK YES Change the IP...

Страница 105: ...uring installation or there may be leakage in the piping system There may be other causes for the overly high exhaust temperature Malfunctions occur after running for some time even though the tempera...

Страница 106: ...gain after a short period of time Check whether the wiring between the indoor and outdoor units is properly connected Reconnect the wiring or replace it A defective outdoor PCB can cause communication...

Страница 107: ...r Is the voltage a consistent value of 0VDC to 5VDC The indoor mainboard is damaged Replace it Test the outdoor power supply The outdoor main board is damaged Replace it If the value varies between 0...

Страница 108: ...check to see if the compressor starts up YES NO The wiring of the compressor is incorrect or the connection is poor The compressor attempts to start and then stops The LED1 on the outdoor PCB blinks 1...

Страница 109: ...F Did the unit malfunction after it had run for some time Check the room temperature Check pipe temperature sensor Chek the temperature monitoring circuit of the indoor main board Is the air flow of t...

Страница 110: ...REFERENCES PAGE 110 ENGLISH SENSORS Value of Thermistor Indoor Unit...

Страница 111: ...REFERENCES PAGE 111 ENGLISH SENSORS...

Страница 112: ...REFERENCES PAGE 112 ENGLISH SENSORS...

Страница 113: ...REFERENCES PAGE 113 ENGLISH SENSORS...

Страница 114: ...REFERENCES PAGE 114 ENGLISH SENSORS...

Страница 115: ...REFERENCES PAGE 115 ENGLISH SENSORS...

Страница 116: ...REFERENCES PAGE 116 ENGLISH SENSORS...

Страница 117: ...REFERENCES PAGE 117 ENGLISH SENSORS...

Страница 118: ...REFERENCES PAGE 118 ENGLISH SENSORS...

Страница 119: ...REFERENCES PAGE 119 ENGLISH SENSORS...

Страница 120: ...REFERENCES PAGE 120 ENGLISH SENSORS...

Страница 121: ...REFERENCES PAGE 121 ENGLISH SENSORS...

Страница 122: ...2VH 4U36MS2VH AB09SC2VH AB12SC2VH AB18SC2VH AW07LC2VH AW09LC2VH AW12LC2VH AW18LC2VH AD07SL2VH AD09SL2VH AD12SL2VH AD18SL2VH Issued Date August 2015 www Haier com Haier America Wayne NJ 07470 2015 Haie...

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