Ductless Split Air Conditioner Service Manual Design may vary by model number. • Please read this manual before using the air conditioner. • Keep this user manual for future reference. PAGE 1 Safety Precautions/Introduction................................................................................................. 3 Outdoor Unit Controls and Components ..................................................................................... 7 Indoor Unit Controls and Components ...................................................................................... 13 Remote Control Functions......................................................................................................... 19 Sequence Of Operation ............................................................................................................. 25 Installation ................................................................................................................................ 33 Error Codes and Problem Solving .............................................................................................. 43 Reference Information .............................................................................................................. 55 Table of Contents Indoor AW09ES2VHA AW12ES2VHA AW18ES2VHA AW24ES2VHA Outdoor 1U09ES2VHA 1U12ES2VHA 1U18ES2VHA 1U24ES2VHA
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Transcript
Ductless Split Air Conditioner
Service Manual
Design may vary by model number.• Please read this manual before using the air conditioner.•Keep this user manual for future reference.
PAGE 1
Safety Precautions/Introduction................................................................................................. 3Outdoor Unit Controls and Components ..................................................................................... 7Indoor Unit Controls and Components ...................................................................................... 13Remote Control Functions......................................................................................................... 19Sequence Of Operation ............................................................................................................. 25Installation................................................................................................................................ 33Error Codes and Problem Solving .............................................................................................. 43Reference Information .............................................................................................................. 55
Table of Contents
IndoorAW09ES2VHAAW12ES2VHAAW18ES2VHAAW24ES2VHA
Outdoor1U09ES2VHA1U12ES2VHA1U18ES2VHA1U24ES2VHA
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INTRODUCTION PAGE 3
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Introduction
Safety Precautions ............................................................................................................................................................. 4Warning and Cautions ......................................................................................................................................................................4
Introduction to System ...................................................................................................................................................... 5 Specificationsforproperoperationshouldbefollowed ................................................................................................................5 FundamentalTheoryOfHowSystemWorks..................................................................................................................................5
•Besuretoestablishaground.Donotgroundtheunittoautilitypipe,arrester,ortelephoneearth.Incompleteearthmaycauseelectricalshock,orfire.Ahighsurgecurrentfromlightningorothersourcesmaycause damage to the air conditioner.
! CAUTION
•Donotinstalltheairconditionerinaplacewherethereisdangerofexposuretoinflammablegasleakage.Ifthegasleaksandbuildsuparoundtheunit,itmaycatchfire.•Establishdrainpipingaccordingtotheinstructionsofthismanual.Inadequatepipingmaycauseflooding.•Tightentheflarenutaccordingtothespecifiedmethodsuchaswithatorquewrench.Iftheflarenutistightenedtoohard,theflarenutmaycrackafteralongtimeandcauserefrigerantleakage.•Makesuretoprovideforadequatemeasuresinordertopreventthattheoutdoorunitbeusedasashelterbysmallanimals.Smallanimalsmakingcontactwithelectricalpartscancausemalfunctions,smokeorfire.Pleaseinstructthecustomertokeeptheareaaround the unit clean.
Safety Precautions
INTRODUCTION PAGE 5
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Introduction to System SingleZoneDuctlessSplitSystemHeatPumpsfeatureawallmountedindoorfan/evaporatorunitthatreceivesrefrigerantfromaninverterdrivenvariablespeedoutdoorcondensingunit.Thesystemoperationiscontrolledwitharemotecontrol.
Outdoor Unit Introduction ................................................................................................................................................. 8OutdoorComponentIdentification .................................................................................................................................... 8Outdoor Main Control Board .............................................................................................................................................. 9TerminalBlock .................................................................................................................................................................. 10Reactor ............................................................................................................................................................................ 10Compressor ..................................................................................................................................................................... 10Outdoor Fan Motor ........................................................................................................................................................... 10Discharge Temperature Sensor ........................................................................................................................................ 11Defrost Temperature Sensor ............................................................................................................................................ 11Outdoor Ambient Temperature Sensor ............................................................................................................................ 11Suction Line Temperature Sensor ..................................................................................................................................... 114-Way Valve ..................................................................................................................................................................... 12Electronic Expansion Valve ............................................................................................................................................... 12Accumulator .................................................................................................................................................................... 12Filters ............................................................................................................................................................................... 12
OUTDOOR UNIT CONTROLS & COMPONENTSPAGE 8
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HOutdoor Unit Introduction
The outdoor condensing unitmodels are heat pump systems. The outdoor unit has two circuit boards, aModule board thatdrives the compressor and aMain Control Board thatmanages system functions and inverter calculations. Temperaturesensorsmonitor key temperatures throughout the system tomanage operational decisions.
OutdoorComponentIdentification
4-Way Valve
Accumulator
Compressor
Defrost Temperature Sensor
Discharge Temperature Sensor
Electronic Expansion Valve
Refrigerant Filters
Outdoor Ambient Temperature Sensor
Outdoor FanMotor
Power Factor Reactor
Suction Line Temperature Sensor
Terminal Block
Main Control Board
Module Control Board
Fan Blade
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
8
4
Sensor
6
11
12
13
14
1
3
2
7
5
9
10
15
OUTDOOR UNIT CONTROLS & COMPONENTS PAGE 9
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Outdoor Control Board
PCB (1) (Outdoor Control PCB)
PCB (2) (Module PCB for 09-12K )
PCB (3) (Module PCB for 18-24K )
2 CN3 - Connector for ground
10 CN36 - Connector for communicatebetween indoor and outdoor unit
6 CN11 - Connector for four way valve coilcoil
4 CN9, CN10 - Connector forCN2,CN1 on themodule board
12 CN50 - Connector for DRED-control
09-12
8CN24 - Communication connector forcontrol board and the module board
CN1, CN2 - Connector for power N and L1
CN17, CN47 - Connector forthermistors
7
CN23 - Connector for DC POWER15Vand15Vand15V 5V to themodule board3
CN15 - Connector forelectric expansion valves11
CN26, CN25 - Connector toP andN of themodule board9
CN22 - Connector for fanmotor5
FUSE 1, (25A, 250VAC); FUSE 2(1A, 250VAC)13
LED 1 Keep light representative normal, if keepflash interval representative trouble Alarm14
RV1, RV2, RV3 Varistor15
CN10 - Connector for theDC power 5V and 15Vformformf the control PCB16
CN10 - Connector for theDC power 5Vand 15V form the control PCB21
21
CN11 - Connector for communicate between thecontrol board and the module board17
CN11 - Connector for communicate between thecontrol board and the module board22
P (CN1), N (CN5) - Connector for capacitance board18
P (CN8), N (CN9) - Connector for capacitance board23
23
LI (CN7), LO (CN6) - Connector for reactor19
19
LI (CN3), LO (CN4) - Connector for reactor24
CN2, CN3, CN4 - Connector for the U, V,Wwire of the compressor20
CN5, CN6, CN7 - Connector for the U, V,Wwire of the compressor25 25
Theindoorunitisalsopoweredbythesameelectricalsupplyastheoutdoorunit.#14AWGwireisconnectedtothewiringterminal block at the outdoor unit and is run to the indoor unit wireterminalblock.
TheDefrost Temperature Sensor is a negative coefficientthermistor that will change resistance in response to outdoorcoil temperature changes. TheMain Control Boardmonitorsthe temperature of the outdoor coil to determinewhen thesystem is needing to perform a defrost cycle. The sensor alsomonitors outdoor coil temperature during defrost cycles todetermine termination conditions.
This sensor connects to theMain Control Board at PLUGCN-19.
TheDischarge Temperature Sensor is a Negative Coefficientthermistor that senses the temperature of the compressorhot gas. TheMain Control Boardmonitors the temperature ofthe compressor hot gas andwill make inverter speed changesin response to input from this device.
This sensor connects to theMain Control Board at PLUGCN-17.
Outdoor Ambient Temperature Sensor
Suction Line Temperature Sensor
The Suction Line Temperature Sensor is a negativecoefficient thermistor that senses the temperature ofthe suction line. TheMain Control Boardmonitors thetemperature of the suction line to determine EEV orifice sizein an attempt tomaintain proper operating superheat.
This sensor connects to theMain Control Board at PLUGCN-18.
TheOutdoor Ambient Temperature Sensor is a negativecoefficient thermistor that will change resistance in responseto outdoor air temperature changes. TheMain Control Boardmonitors the temperature of the outdoor air to determineoutdoor fan speed requirements and inverter speed. Thesensor also plays a role in calculation of required defrostconditions.
This sensor connects to theMain Control Board at PLUGCN-20.
OUTDOOR UNIT CONTROLS & COMPONENTSPAGE 12
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H4-Way Valve
Electronic Expansion Valve
Themetering device is an electronic expansion valve typeEEV.EEV.EEV The valve consists of an electrical operator and a valvebodywith internal variable size orifice.When operating,theMain Control Boardwill send pulses of voltage to theelectrical operator. The operator will thenmagneticallymovethe position of themetering orifice pin to vary its size.
Themetering device position is determined by input froma Suction Line Temperature Sensor located in the outdoorunit. The EEVwill change the internal orifice size tomaintain asuperheat level of around 10°F.
The 4-Way Valve redirects the flowof refrigerant in the pipingcircuit to allow the system to swap the functions of the indoorand outdoor coils. When de-energized in COOLMODE, thevalve will direct the refrigerant hot gas to the outdoor coil.When energized in HEATMODE, the valve will direct the hotgas to the indoor coil.
The valve flow direction capability is controlled by anelectrical solenoid.When energized by 240 Volts, line voltage,the solenoid will magneticallymove an internal slide withinthe 4-Way Valve to change the direction of refrigerant flow.
The 4-Way Valve is electrically connected to theMain ControlBoard at PLUGCN-10.
Accumulator
The Accumulator is located in the suction line circuit at theentrance to the compressor. The accumulator helps preventliquid refrigerant from entering the compressor during runoperation.
Refrigerant Filters
The systemhas debris catching filters that protect internalsystem components from contaminants in the refrigerant.The filter is a permanent part that is not typically replaced.
During COOLMODEoperation, the valvemeters lowpressure refrigerant to the indoor coil. During HEATMODEoperation, the valvemeters low pressure refrigerant to theoutdoor coil.
INDOOR UNIT CONTROLS & COMPONENTS PAGE 13
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Indoor Unit Controls & Components
Table of Contents
Indoor Unit Introduction .................................................................................................................................................. 14IndoorComponentIdentification ..................................................................................................................................... 14Indoor Control Board ........................................................................................................................................................ 15TerminalBlock .................................................................................................................................................................. 16Display ............................................................................................................................................................................. 16Ambient Temperature Sensor .......................................................................................................................................... 16Piping Temperature Sensor .............................................................................................................................................. 16Louver Motor ................................................................................................................................................................... 17Fan Motor ......................................................................................................................................................................... 17Emergency Button ........................................................................................................................................................... 17 DIPSwitchandDIPSwitchSettings .................................................................................................................................. 18
INDOOR UNIT CONTROLS & COMPONENTSPAGE 14
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H
IndoorComponentIdentification
Indoor Unit Introduction
The indoor unit ismounted high on thewall to provide air conditioning coverage of a conditioned space. Field installed/suppliedcondensate pump accessories can be added to these systems.
Features of the system include:Variable speed blower operation that speeds up and slows downwith changes in demand,Moving louvers to direct air, Indoor air temperature sensing, Evaporator coil temperature sensing, Consumer operation display,Evaporator coil withmetering device located in outdoor unit, and an EmergencyOperation Switch.
Indoor Ambient Temperature Sensor
Display
Fan Motor
Louver Motor
1
2
3
4
Main Control Board
Piping Temperature Sensor
Power Supply Board
Terminal Block
5
6
7
8
57
6
4
8
1
3
2
INDOOR UNIT CONTROLS & COMPONENTS PAGE 15
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Indoor Control Board
2
2
CN27 - Connector for ground
4
4
CN6 - Connector for thermistors
9
9
CN2 - Connector for wiring-control
6
6
CN7 - Connector for display
11
11
CN34 - Connector forWi-Fi-control
RV1 - Varistor
13
13
SW2 – 1-Select remote code A or B, 2-Select room card able or disable3,4-Select eeprom code 23, 26, 33 and 35
CN21, CN52 - Connector for power N and L1
CN11 - Connector for left-right steppermotor8
8
CN9 - Connector for fanmotor5
5
SW1 -Connector for EmergencyoperationON /OFF switch12
15
15
CN23 - Connector for communicationbetween indoor and outdoor unit3
3
CN51 - Connector for room card10
10
CN5 - Connector for up-down steppermotor7
7
14
14
FUSE1 - Fuse 3.15A/250VAC
12
INDOOR UNIT CONTROLS & COMPONENTSPAGE 16
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HTerminalBlock
Display
The indoor unit terminal block receives electrical power fromthe outdoor unit. There are 4 connections for electrical wires.Terminals 1 and 2 are connected to terminals 1 and 2 of theoutdoor unit. This wiring supplies power to the indoor unit.
Terminal 3 is a communicationwire. The indoor unit sendsindoor air temperature, coil temperature and temperaturesetpoint information to the outdoor unit on this wire. If asplice or break in this wire is present, the indoor unit will notbe able to communicate with the outdoor unit. The ERRORCODEwill be code E7.
TheThe indoorindoor displaydisplay hashas anan infraredinfrared communicationcommunication circuitcircuit thatthatreceives operating commands from the remote control. Thisdisplay will indicate operatingmodes, error codes, indoor airtemperature, timer status and power status.
Ambient Temperature Sensor
The RoomAmbient Temperature Sensor is a negativecoefficient thermistor that will decrease in resistancewithincreases in room air temperature. The sensor is located on aclipmounted to the surface of the indoor coil.
The sensor connects to the control board at Plug CN-6.
Piping Temperature Sensor
The Piping Temperature Sensor is a negative coefficientthermistor that will decrease in resistancewith increases incoil temperature. The sensor is located in a socket solderedto the surface of the indoor coil.
This sensor will monitor the temperature of the indoor coilin both cooling and heatingmodes of operation. Shouldabnormally cold or hot coil temperature be detected by thissensor,sensor,sensor the systemwill take functional corrective steps tocorrect the condition or report an ERRORCODE.
The sensor connects to the control board at Plug CN-6.
The PCB for the indoor unit of the Advanced series of singlezonemini-splits has a set of DIP switches thatmust be setwhen replacing the PCB.The replacement PCB is shippedwith all switches set to theOFF position.
Switch settings:
SW2-1 Selects remote code A or B. Normally set to the offposition for code A operation.If two indoor units are used in the same area and the userwishes to control them separately, switch SW2-1of thesecond unit is set to theONposition for code B operation.Thewireless remote for the second unit is also set to code B.
SW2-2 Selects room card able or disable.Normally set to theOFF position. Set to theONpositionwhen used in conjunctionwith a room card interface utilizedin hotel rooms.
SW-3 & SW-4 Selects eeprom code 23, 26, 33 and 35. Set toidentify the tonnage of the unit.
Settings:
9K (23) SW9K (23) SW9K (23) SW-3 OFF SW-4 OFF-3 OFF SW-4 OFF-3 OFF SW-4 OFF-3 OFF SW-4 OFF12K (26) SW-3 OFF SW-4 ON12K (26) SW-3 OFF SW-4 ON12K (26) SW-3 OFF SW-4 ON12K (26) SW-3 OFF SW-4 ON12K (26) SW-3 OFF SW-4 ON12K (26) SW-3 OFF SW-4 ON18K (33) SW-3 ON18K (33) SW-3 ON18K (33) SW-3 ON18K (33) SW-3 ON SW-4 OFF-4 OFF24K (35) SW-3 ON24K (35) SW-3 ON24K (35) SW-3 ON24K (35) SW-3 ON SW-4 ON-4 ON
7 AUTO Button Underthemodeofautooperation,theairconditionerwillautomaticallyselectCool,Heat,orFanoperationaccordingtosettemperature.WhenFANissettoAUTOtheaircondi-tionerautomaticallyadjuststhefanspeedaccordingtoroom
•Note:Whenturningtheuniton,theremotecontrolwillautomaticallyreturnthelouvertotheprevioussetswingposition.Whenturn-ingtheunitoff,thelouverwillrotatetothefullopenpositionprior to closing.
Caution:• Whenhumiditylevelsarehigh,condensatewatermayoc-curattheairoutletifallhorizontallouversareadjustedtoleft or right.
Note:Whenturningtheuniton,theremotecontrolwillautomaticallyreturnthelouvertotheprevioussetswingposition.Whenturn-ingtheunitoff,thelouverwillrotatetothefullopenpositionprior to closing.
11 Timer ON Button On-OffOperation1.Starttheunitandselectthedesiredoperatingmode.2.PresstheTIMERON buttontoentertheTIMERONmode.Theremotecontrolwillstartflashing“ON”.
1.PresstheON/OFFbuttonontheremotecontroltoturnthe unit on. Selectthedesiredoperatingmode.2.SettingtheintelligentairflowfunctionPresstheEXTRAFUNCTION button to enter ad-ditionaloptions.Pressthisbuttonrepeatedlytoaccessthelouversettings.Thelouvericonwillcyclethroughthefollowingthreesettings.
Healthy airflow upward
Healthy airflow downward
Present position
Selectthedesiredposition,thenpresstheCONFIRM/CANCEL button to set the function.
3.CancelingtheintelligentairflowfunctionPresstheEXTRAFUNCTION button to enter addi-tionaloptions.Pressthisbuttonrepeatedlytoaccessthelouversettings.Cyclethebuttontothelouvericon“pres-ent”position,thenpresstheCONFIRM/CANCEL button to cancel the function.
G) Fahrenheit/Celsius mode shift on unit and remote - ToswitchbetweenFahrenheitandCelsiuspresstheEXTRAFUNCTION buttonuntileitherCelsiusorFahrenheitisdisplayed.PresstheCONFIRM/CANCEL button to applythechange.
H) 50°F low temperature heating - Feature not available on this series.
I) Electrical heating - Feature not available on this series.
REMOTE CONTROL FUNCTIONS PAGE 23
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15 HEALTH Button Feature not available on this series.
Temperature sensors Theindoorunithastwosensorsthatprovidetemperatureinformationtotheindoorunitmainboard.Thesensors:anindoorambienttemperaturesensor,andpipetemperaturesensor,areusedforcontrollingthesystemduringcoolmode.Theresistancevaluesofthesensorswillvarywithtempera-ture.Theresistancetotemperaturevaluescanbefoundusingatemperature/resistancechartspecifictothesensorbeing checked.
Communication Theindoorandoutdoorunitmainboardscommunicateviaadigitalsignalonthewireconnectedtoterminal3ofeachunit.Aspliceorbreakinthiswirewillcauseacommunicationerror.
Outdoor unit Uponarequestforcooling,theoutdoorunitmainboardap-pliespowertotheoutdoorfanmotorandcompressor.Dependingonsystemcycling,theremaybeuptoa3minutewaitperiodbeforethecompressorandoutdoor fan start.
Temperature sensors Fourtemperaturesensorslocatedintheoutdoorunitprovidetemperatureinformationtotheoutdoorunitmainboardforcontrolofthesystemduringcoolmode.
Theoutdoorambienttemperaturesensorprovidesthetemperatureoftheairdrawnintothecondensercoiloftheoutdoor unit.
Call to Terminate Cooling Thesystemwillcalltoterminatecoolingwhentheindooram-bienttemperaturesensorisequaltoorlowerthan2°Foftheroomsettemperature.Theindoorcontrolboardwillcom-municatetotheoutdoorcontrolboardtode-energizethecompressor.Theoutdoorfanwillrunfor60secondsbeforestopping.
Theindoorfanmotorandlouverwillcontinueoperatingaftercooling has been terminated.
Freeze protection function Topreventfreezingoftheindoorunitcoilduringcoolmode,whenthecompressoroperatescontinuouslyfor10secondsandthetemperatureoftheindoorcoilhasbeenbelow32°Ffor10seconds,thecompressorwillstop,andtheerrorwillberecordedinthemalfunctionlist.Theindoorunitfanwillcontinuetooperate.Whenthetemperatureoftheindoorcoilrisesto45°Fformorethan3minutesthecompressorwillrestartandthesystemwillcontinuefunctioning.
Cold air proof operation Atinitialstartofheatmode,indoorblowerwillnotbeturnedonimmediatelyuntilindoorcoiltemperaturesensesamini-mumtemperature.Thisperiodusuallytakes30secondsto3minutesdependingontheoutdoorambienttemperature.
HSU12�HG(DB)-SM Wiring Diagrams
16 Domestic Air Conditioner
*Indoor fan control manual control: You can choose high, medium, low and automatic speed control. Automatic: When Tr<Ts, high speed. When Ts≤Tr≤Ts+2 , medium speed. When Tr> Ts+2 , low speed. When the airflow speed has no delay from the high to low switching, the speed should be delayed for 3 minutes (remain at high speed for 3 minutes.) before the next switch. *Airgate location control: the location for the airgate can be set according to your needs. Coldair proof operation 1. The indoor operation within 4 minutes after the start up is as the following diagram, the air speed can be raised only after the speed has reached a certain level.
2. 4 minutes after the start up of the indoor fan, the light airflow and the low airflow will be turned to the set speed airflow. 3. In the cold air proof operation, the fan won’t stop after the start up. 4. During the cold air proof operation, the indoor system will continuously send ‘indoor high speed’ signals to the outdoor system. * Residue heat sending. The indoor fan will send the residue heat at a low speed for 12 seconds. If other conditions are satisified, 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 start temp 4’. * Defrosting. When the system receives the defrosting signal from outdoors, the indoor fan will stop and the indoor temperature display won’t change. At the time, any indoor coil malfunctions will be neglected. When the outdoor defrosting finishes, the coil malfunction will still be neglected until the compressor has been started up for 30 seconds. The indoor temperature display will not change and the system operates at the cold air proof mode. * Automatic heating temperature compensation: when the system enters the heating mode, the temperature compensation (4) will be added. When the status is switched off, the compensation will be erased.
Automatic Heating Temperature Compensation Whenthesystementersheatingmode,atemperaturecom-pensationadjustmentisaddedtotheoperatingparameter.Thisadjustmentiscanceledwhenexitingheatmode.
Indoor unit Toentertheheatmode,pointtheinfraredremotecontrollerattheindoorunitandpressthepowerbutton,thenpresstheHEATmodebuttonifnotalreadysettoheatmode.
Thesignalsreceivedbytheinfraredreceiverarerelayedtothemainboardoftheindoorunittoturnthesystemonandset it to heat mode.
Theindoorunitmainboardwillpoweruptheindoorfanmotorafter the outdoor unit has started and heating of the indoor coilhastakenplace(seecoldairproofoperation).Theindoorfanmotorhasafeedbackcircuitwhichprovidestheindoorunitmainboardwithinformationforcontrollingthespeedofthe fan motor.
Temperature sensors Theindoorunithastwosensorsthatprovidetemperatureinformationtotheindoorunitmainboard.Thesensors:anindoorambienttemperaturesensor,andpipetemperaturesensor,areusedforcontrollingthesystemduringheatmode.
Communication Theindoorandoutdoorunitmainboardscommunicateviaadigitalsignalonthewireconnectedtoterminal3ofeachunit.Aspliceorbreakinthiswirewillcauseacommunicationerror.
Outdoor unit Uponarequestforheat,theoutdoorunitmainboardappliespowertothe4-wayvalve,outdoorfanmotorandcompres-sor.Dependingonsystemcycling,theremaybeuptoa3minutewaitperiodbeforethecompressorandoutdoorfanstart.)
Temperature sensors Fourtemperaturesensorslocatedintheoutdoorunitprovidetemperatureinformationtotheoutdoorunitmainboardforcontrolofthesystemduringheatmode.
Theoutdoorambienttemperaturesensorprovidesthetemperatureoftheairdrawnintothecondensercoiloftheoutdoor unit.
Call to Terminate Heating Thesystemwillcalltoterminateheatingwhentheindoorambienttemperaturesensorisequaltoorhigherthan2°Fabovetheroomsettemperature.Theindoorcontrolboardwillcommunicatetotheoutdoorcontrolboardtode-ener-gizethecompressor.Theoutdoorfanwillrunfor60secondsbeforestopping.The4-wayvalvewillde-energize2minutesafterthecompressorstops.
Temperature sensors Theindoorunithastwosensorsthatprovidetemperatureinformationtotheindoorunitmainboard.Thesensors:anindoorambienttemperaturesensor,andpipetemperaturesensor,areusedforcontrollingthesystemduringdrymode.Theresistancevaluesofthesensorswillvarywithtempera-ture.Theresistancetotemperaturevaluescanbefoundusingatemperature/resistancechartspecifictothesensorbeing checked.
Communication Theindoorandoutdoorunitmainboardscommunicateviaadigitalsignalonthewireconnectedtoterminal3ofeachunit.Aspliceorbreakinthiswirewillcauseacommunicationerror.
Outdoor unit Uponarequestfordrymode,theoutdoorunitmainboardappliespowertotheoutdoorfanmotorandcompressor.Dependingonsystemcycling,theremaybeuptoa3minutewaitperiodbeforethecompressorandoutdoorfanstart.)
Temperature sensors Fourtemperaturesensorslocatedintheoutdoorunitprovidetemperatureinformationtotheoutdoorunitmainboardforcontrolofthesystemduringdrymode.
Theoutdoorambienttemperaturesensorprovidesthetemperatureoftheairdrawnintothecondensercoiloftheoutdoor unit.
1. TTC high temperature protection Thecompressordischargepipesensor(exhausttemp)sensesthetemperatureoftherefrigerantexitingthecom-pressor.Thesensedtemperaturereceivedfromthesensorbythecontrolcircuitrywillcausethecompressorfrequencytoincreaseordecrease.(seechartbelow).Ifatemperatureof>=230°Fissensedfor20seconds,anexhaustoverheatingprotectionerrorcodewillbeindicatedattheoutdoorunit.
Abnormalstop
Decreasingthefrequencyrapidly(1HZ/1second)
TTC(°F)
230°F
212°F
209°F
199°F
194°F
Decreasingthefrequencyslowly(1HZ/10seconds)
Thefrequencydoesn’tchange
Increasingthefrequency(1HZ/10seconds)
Increasingthefrequency(1HZ/1second)
2. Overheating protection for indoor unit Theindoortubesensorsensesthetemperatureoftheindoorheat exchanger.Ifthetemperaturesensedisgreaterthan133°F,thecom-pressorfrequencywilldecreasetopreventoverheatingofthe heat exchanger.IfTc>=133°Fformorethan10seconds,thecompressorwillstopandanerrorcodewillbeindicatedattheoutdoorunit.Ifthecompressorisofffor3minutesandTc<118°F,thecom-pressorwillrestart.Ifthetemperaturesensedislowerthan118°F,theprotectionfunction is canceled.
SEQUENCE OF OPERATION PAGE 31
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59°F//ice_temp_3+5
46°F//ice_temp_3+2
43°F
Decreasingslowly
Decreasingrapidlyice_temp_1
Stop
Keepingthefrequency
Increasingslowly
32°F
37°F
41°F
43°F
48°F
HSU12�HG(DB)-SM Wiring Diagrams
25 Domestic Air Conditioner
5.2.5.2 TC high temperature-preventing control of the indoor heating unit Tpg_indoor is the highest value of the effective indoor unit (start it and it is in accord with the running state). The indoor heat exchanger sensor tests the temperature of the indoor heat exchanger. If the temperature is higher than 55 , decrease the rotate speed of the compressor and do the high temperature-preventing protection of the indoor heat exchanger; if the temperature of the indoor heat exchanger is lower than 47 , recover to the normal control. TC The compressor stops Fgh_t1 65 Fgh_t1 2 Fgh_t2 2 N Decreasing the frequency rapidly Fgh_t2 59 P Decreasing the frequency slowly Fgh_t3 55 Fgh_t3 2 Fgh_t4—2 Q Prohibiting increasing the frequency Fgh_t4 51 R Increasing slowly Fgh_t5 47 Fgh_t5—2 Normal N Decreasing at the speed of 1HZ/1 second P Decreasing at the speed of 1Hz/10 seconds Q Continue to keep the last-time instruction cycle R Increasing at the speed of 1Hz/10seconds Remarks: the outdoor unit
5.2.5.3 The control of preventing the overcurrent of the compressor During the starting process of the compressor, if the curren of the compressor is greater than 17A
for 3 seconds, stop the compressor and alarm, after 3 minutes, start it again, if such state appears 3 times in 20 minutes, stop the compressor and alarm, and confirm the malfunction. Then continue to run it only after the the power is off.
During the starting process of the compressor, if the AC current is greater than 12A, the frequency of the compressor decreases at the speed of 1HZ/second.
During the starting process of the compressor, if the AC current is greater than 10A, the frequency of the compressor decreases at the speed of 0.1HZ/second.
During the starting process of the compressor, if the AC current is greater than 9A, the frequency of the compressor increases at the prohibited speed.
During the starting process of the compressor, if the AC current is greater than 8A, the frequency of the compressor increases at the speed of no faster than 0.1HZ/second.
4. Anti-freeze protection of the indoor heat exchanger Thetemperaturesensedbytheindoorunittubesensorisusedtodeterminewhatfrequencythecompressoristorunatforfreezeprotection.
4)R-410Arefrigerantisasafe,nontoxicandnonflammablerefrigerant.However,ifthere is a concern about a dangerous level of refrigerant concentration in the case of refrigerantleakage,addextraventilation.
• Locate the unit to avoid noise and dischargedhotairwillnotannoytheneighbors.
• Installunits,powercordsandinter-unitcablesatleast10ftawayfromtelevisionandradiosets.Thisistopreventinterference to images and sounds. (Noisemaybeheardeveniftheyaremore
Clearances of Indoor and Outdoor Units
FA
C
E
D
Floor xing dimensions of the outdoor unit
Fixing of outdoor unitFix the unit to concrete or block with bolts(10mm) securely.When tting the unit to wall surface, roof orrooftop, x the unit securely in considerationof earthquake and strong wind.If vibration may affect the house, x the unitby attaching a vibration-proof mat.
The marks from toin the gure are the
name of the parts.The distance betweenthe indoor unit and theoor should be more
Bundletherefrigerantpiping,drainpipingandwiringwithtapeandpassthebundlethroughthepipinghole.NOTE:Whenbundlingthepowercable,leavesufficientlengthavailable in the indoor unit to make the connections to the terminal block.
Forced fastening without careful centering maydamage the threads and cause a leakage of gas.
Pipe Diameter(ǿ) Fastening torque
Liquid side6.35mm(1/4") 18N.m/13.3Ft.lbs
Liquid/Gas side9.52mm(3/8") 42 N.m/30.1Ft.lbs
Gas side 12.7mm(1/2") 55N.m/40.6Ft.lbs
Gas side 15.88mm(5/8") 60 N.m/44.3Ft.lbs
Outdoor unit
Indoor unit
A
B
Outdoor unit
Indoor unitA
B
A
B
Outdoor unit
Indoor unit
Oil trap
CAUTION
Max. Elevation: A Max= 32ft / 10m (09k / 12k)= 50ft / 15m (18k / 24k)In case the height of A is more than15ft / 5m, an oil trap should beinstalled every 16-23ft /5-7mMax. Length: B Max= 50ft / 15m (09k / 12k)= 80ft / 25m (18k / 24k)
●
●
●
Illustration4
Step 4 - Interconnecting the Indoor and Outdoor Units
Evacuate the system to 350 microns.Closethevacuumpumpvalveandcheckthemicrongauge. If the gauge rises above 500 microns in 60 seconds, evacuationisincompleteorthereisaleakinthesystem.Ifthe gauge does not rise above 500 microns in 60 seconds, evacuation is complete.
C-additionalrefrigerantamountchargedinthefieldD - total refrigerant chargeE-outdoorunitF-refrigerantcylinderandmanifoldforcharging
Refrigerant Charge Label
System Test
CheckItemsforTestRun
1
1+2= oz
R410A2 oz2=
1=B
C
D
F E
oz
AContains fluorinated greenhouse gasescovered by the Kyoto Protocol
Put check mark √ in boxes � Nogasleakfromlinesets? � Arethelinesetsinsulatedproperly? � Aretheconnectingwiringsofindoorandoutdoorfirmlyinsertedtotheterminalblock?
• Installtheoutdoorunitinaplace(suchasnearbuildingsetc.)whereitcanbeprotectedfromseabreezewhichcandamagethe outdoor unit.
• Ifyoucannotavoidinstallingtheoutdoorunitbytheseashore,constructaprotectionwallaroundittoblocktheseabreeze.• Aprotectionwallshouldbeconstructedwithasolidmaterialsuchasconcretetoblocktheseabreezeandtheheightandthewidthofthewallshouldbe1.5timeslargerthanthesizeoftheoutdoorunit.Also,secureover28in(700mm)betweentheprotectionwallandtheoutdoorunitforexhausted air to ventilate.
NOTE:Componentresistancereadingsshowninthissectionareforreferenceonly.Actualresistancevaluesmaydifferbased on model being tested.ComponentreadingsshownbelowarebasedonamodelHSU12VHGL-Woutdoorunit.
Step 3Reconnectthewiringtothemoduleboardattheconclusionof the test.
NOTE:Componentresistancereadingsshowninthissectionareforreferenceonly.Actualresistancevaluesmaydifferbased on model being tested.ComponentreadingsshownbelowarebasedonamodelHSU12VHGL-Gindoorunit.
Outdoor 1U09ES2VHA、1U12ES2VHA、1U18ES2VHA、1U24ES2VHA Wiring Diagrams 1 Outdoor unit
09K-12K
DON'T TOUCH CAPACITOR, EVEN AFTER PLUG-OFF ( DANGER OF ELECTRIC SHOCK)
THE CAPACITOR RETAINS HIGH VOLTA GE EVEN AFTER THE PLUG-OFF.FOR YOUR SAFETY,BE SURE TO WAIT AT LEAST 5 MINUTES.AFTER PLUG OFF AND USE A TESTER TO CONFIRM THE VOLTAGE BETWEEN CONNECTOR CN25 AND CN28(ON MAIN PCB BOARD) IS LESS THAN DC 10V BEFORE START SERVICING OR LED2 EXTINGUISHED.
CAUTION
OUTDOOR WIRING DIAGRAM 0010581667
80
YELYEL
SOCKET PROTECT
CN45
W
W
MODULE BOARD
MAIN PCB BOARD
BLOCK
R W B
C(W)S(V)R(U)
COMPRESSORM
BL
OR
PUVW
N
WB
AC-NAC-L
PFC REACTOR
L0
LI
CN2CN3CN4
CN5
CN9CN8
CN6
CN7
CN1
BLB
BL
B
CN10CN11CN25N
CN28P
MODULE POWER
MODULE COM
CN23
CN24
250V/25AFUSE1
AC-L
AC-N
CN2
CN1
R
WB
NCOM
CN36
Y/G
TERMI
NAL
PE
CN3
M
DC FAN
CN22
COMPRESSOR DISCHARGE
TC CS HW CN47CN17
VALVE A
DEFROST
AMBIENT
TEMP.SENSOR
TEMP.SENSOR
TEMP.SENSOR
CN15
A 4-WAY VALVE
CN11
AC-L OUTCN10 CN9
AC-N OUT
BR:BROWN
R: RED
BL:BLUEOR:ORANGE
W: WHITE
Y/G:YELLOW/GREEN
B: BLACK
YEL:YELLOW
W
XQ
SUCTION TEMP.SENSOR
ELECTRIC
EXPANSION VALVE
G
TO IN
DO
OR
UN
IT
POWER
WARNING
G
GND
GND
18K-24K
CN3
CN5
CN1 CN4
CN8 CN9
CN2
CN6 CN7
R(U)S(V)
C(W)
W R
MOUDLE PCB
U V W P N
COMPRESSOR
B:BLACK
Y/G:YELLOW/GREENW:WHITE
OR:ORANGEBL:BLUE
R:RED
0010534175
AC-N OUTCN9
CN10AC-L OUT
CN11
4-WAY VALVE
M
CN22CN15VALVE A
CN3 PEPOWER
BL(or W)
Y/G
CN36
COMBCOMAN
R
CN1
CN2
AC-N
AC-L
FUSE1
T25A 250VAC
CN24
CN23
MODULE COM
MODULE POWERTO INDOOR UNI
TCN10
B
BL
BL
OR
CN11
REACTOR
BB
DC FAN
OUTDOOR PCB
ELECTRIC EXPANSION
Y/G
Y/G
1(N)2(L)
3(C)
BL(or W)
BL
AC-LLI AC-N L0
CN25N
PCN28
2(N)1(L)
W W
BR(or B)80
CAP
M
VALVE MOTOR
NOTES:THE DOTTED PARTS ARE OPTIONAL@1 and @2 cannot exist at the same time but must keep one of them.
OUTDOOR UNIT WIRING DIAGRAM
CAPCAP
DON'T TOUCH CAPACITOR, EVEN AFTER PLUG-OFF ( DANGER OF ELECTRIC SHOCK)
The capacitor retains high voltage even after the plug-off. For your safety, be sure to wait at least 5 minutes. after plug off and use a tester to confirm the voltage between connector P and N is less than DC 10V before start servicing.
CN7
CN6AC-N OUT
AC-L OUTBR(or B)
A
ACG-A
XG-APIPING
CN21 CN17TC
COMP.TEMP.SENSOR
DEFROST TEMP.SENSOR
CSCN18
AMBIENT TEMP.SENSOR
HWCN19
SUCTION TEMP.SENSOR
QXCN47
TEMP.SENSOR
BL(or W)
BL(OR W)
BR(OR B)
CN50DRED line
@1 @2
REFERENCE INFORMATION PAGE 57
ENG
LISH
Outdoor Board Schematic
HSU
12�H
G(D
B)-S
M
wiri
ng D
iagr
ams
Dom
estic
Air
Con
ditio
ner
11.2
.OU
TDO
OR
UN
IT
11.2
.1C
ontro
l Bar
d C
ircui
t Dia
gram
s
13
GN
D4
GN
D3
GN
D2
GN
D1
VCC
8G
ND
7SC
L6
SDA
5IC
6A
T24C
02B
1
CN2
AC-
L
1
CN1
AC-
N
Blac
k
Whi
te
FUSE
1
T25A
250
VA
CRV
1S1
4K35
0R1 1M
R12
100/
1WCX
122
5/27
5V
L1
8MH
/10A
RV2
S14K
350
RV3
S14K
350
CX2
225/
275V
PTC1
400N
CY1472/250V/275V
CY2472/250V/275V
CY3103/250V/275V
CY4103/250V/275V
1
CN3
PE
SA1
RA-3
62M
K5
12V
-25A
-891
P-1A
-C
K3
12V
-5A
-892
H(N
)-1A
C-C
K4
12V
-5A
-892
H(N
)-1A
C-C
K2
12V
-5A
-892
H(N
)-1A
C-C
K1
12V
-5A
-892
-1C
C-C
123
CN10
Com
men
t:
CX4
103/
275V
123456789
CN12
12345
CN13
STCO
M
1
CN14
1
CN
15
C12U
/450
V
COM
LH
CC
COM
LH
CC
1 2 3 4 5 6 7 GN
D12
V10111213141516
IC7
ULN
2003
+12V
1 2 3 4 5 6
CN
16
ABCD
C10 104/
50V
+5V
+5V
R75
2K
LED1
P12S
A10
37A
KR47
5.1K
/1%
R49
10K
R50
1K
+5V
C20
102/
50V
1 2 3 4 5 6
CN21
C15
103/
50V
310V
0V 15V
R33
2.2K
R36
1K
R34
1K
R13
330/
1W
R35
1K
R37
330
ZD2
10V
/0.5
WZD
35.
1V/0
.5W
4 3
1 2
IC8
PC81
7A
4 3
1 2
IC9
PC81
7A
E9 47U
/25V
N1Co
mm
ent:
2SC2
412K
R41
1K
R39
10KR3
8
330
R40
5.1K
/1%
C14
102/
50V
XT14M
C13
104/
50V
+5V
C12
104/
50V
R63
560
R65
10K
R64
10K
123
CN
20123
CN
18 12
CN
19
+5V
R76
20K/1%
R87
4.7K
R88
10K
R77
1KC24
104/
50VC2
5
104/
50VC2
6
104/
50V
E14
4.7U
/16V
E11
4.7U
/16V
E12
4.7U
/16V
E13
4.7U
/16V
+15V
R7410K/1%
R7310K/1%
R54
10K
C22102/50V
C21102/50VR82
47K/1%
R80
20K/1%
R78
20K/1%
R79
1KR8
11K
R83
1K
C23
104/
50V
CS(White))eti h W( QT ) woll e Y( WH
123
CN23
5V COM
GN
D
Com
with
Mod
ule
(Bla
ck)
1 2 3 4 5
CN
30
1 2 3 4
CN
31
+5V
1
CN8
AC-
N O
UT
1
CN9
AC-
L O
UT
naF CA deeps-o
wTnaF C
A deeps-eerhTya
W- ruoF
E-valve(White)
R551KR561KR571KR581K
R67
1K
R72
1KR7
11K
R70
1K
+5V
12
CN33
SW TEST(BLUE)
CX7
104/
275V
R48
10K
XQ(Red)
C11104/50V
R62
10K
P2 2SA
1037
AK
R60
10K
R61 2K
R59
2K
FUSE
2T1
A/2
50V
WB
R53
10K
R52
10K
R51
10K
FUCT
ION
TES
T(W
hite
)
TEST
/SS
COO
LH
EAT
PCGN
D
()
+5V
R85
10K
R66
1K
R84
4.7K
R68
1KR6
91K
N3
2SC2
412K
N4
2SC2
412K
Whi
te
ERROR
123
CN
17
D5
LL41
48
D6
LL41
48
Yel
low
/Gre
en
1 2
CN
32TE
ST/S
SG
ND
12
CN11
+12V
J1J2
J3
J6+5
V+5
V
J7+1
2V+1
2V
J8
R91
10K
J9
J10
C19
104/
50V
J15
J16
+15V
+15V
J13
J14
J12
R92
0
R93
0
R94
0
J17
J19
J23
L2
8MH
/10A
R2 1MCX
322
5/27
5V
CY5472/250V/275V
CY6472/250V/275V
J24
J25
J26
J27
J28
J29
J30
J31
J32
J33
N PP N
12
CN36
Whi
teBl
ack
R86
4.7K
K6
12V
-5A
-892
H(N
)-1A
C-C
D11
LL41
48N
52S
C241
2K
R89
10K
J27
J34
1 24 3
SW1
R95
10K
R96
10K+5
V
VCC
62
VRE
F61
AV
SS59
DC-
FAN
SPEE
D13
DC
FAN
PG
36
Indo
or C
om O
UT
41
Indo
or C
om IN
38
PC C
OM
37
NC
33
Term
inal
Pro
28
MO
DU
LE C
OM
OU
T27
MO
DU
LE C
OM
IN26
VSS
50TE
ST-E
N24
NC
44
COO
L-EN
23
HEA
T-EN
22
RESE
T6
XIN
9
XO
UT
7
VSS
8E-
VA
LVE-
A5
E-V
ALV
E-B
4E-
VA
LVE-
C2
E-V
ALV
E-D
1PT
C64
HEA
T-1
634-
WA
Y58
FAN
57H
/L F
AN
SPE
ED42
SCL
30SD
A29
Fan/
E-V
alve
sele
ct47
HEA
T-2
60
VSS
49V
SS48
Faul
t Lig
ht31
Fre
Adj
ust
46H
W54
CS53
XQ
52TX
51
NC
45
MO
DE
3
VCC
10
NC
14
NC
15
NC
17
NC
18
NC
19
NC
20
NC
21
NC
25N
C11
NC
12N
C16
NC
32
NC
34N
C35
NC
40
NC
39
NC
43
SW-2
56SW
-155
IC5
R5F2
12A
8SN
FA
1 2 3 4
CN7
R98
10K
+5V
MO
DE
RST
5VGN
D
FLA
SH
R97
10K
R46
0
1
CN5
AC-
L
1
CN6
AC-
N
J4
J5 J22
J35
J36
J37
J38
R99
0
J39
J40
CY7222/250VAC
R4 2K
CY10222/250VAC
C16
Com
men
t: 10
2/50
V
+5V
R42
330
R3 2K/2
WD
1
1N40
07
43
12IC
11
TLP8
51/P
C85
1R4
3 0 R44
1K
4 3
1 2
IC10
TLP4
21/P
S256
1
1
CN4
COM
J18
J21
J20
1
CN25
1
CN27CO
M h
eate
r
N6
Com
men
t: 2S
C24
12K
R100
4.7K
R101
4.7K
R102 0
R103
4.7K
R104 0
Vin
1
GND 2
Vou
t3
IC4
L780
5CV
C910
4/50
VE8
Com
men
t: 10
0U/1
6V
R29
47
R19
47
C6 104/
50V
IC3
TL43
1C
C3 102/
100V
L3 20U
H/1
AZD
1IN
5948
BE5
470U
/25V
E610
0U/1
6V
E747
0U/2
5V
E3 22U
/25V
CY9
222/
250V
AC
D7
MBR
1100
\SB1
100 C2
102/
100V
R18
47
C7104/50V
R22
1K/0
.5W
C8 104/
50V
+5V
+12V
E447
0U/2
5VR1
733
0/1W
+15V
R32
5.1K
/1%
R30
1K
R285.1K/1%
R31
1K
C5 104/
50V
R25
10K
R26
1K R16
2/1W
R14100K/2W
R15
15
C4 103/
50V
910
+5V
D
T1Co
mm
ent:
E220
34
76 4 5
CY8
472/
1KV
R27
10K
1 3
R24
5.1K
/1%
CX5
104/
275V
AD
J1
FB2
CS3
GN
D4
HV
8
NC
7
VCC
6
DRV
5
IC1
NCP
1200
P100
D9
MU
R115
\MU
R130
\ER1
06
D10
ER10
6
D8
MBR
3100
\ER3
02
4 3
1 2
IC2
PC81
7A
R20
220
R21
220
M1
IRFU
C20
1 2 3
CN22 (
)
J11
R90
0
N
P
92
REFERENCE INFORMATIONPAGE 58
ENG
LIS
H
HSU
12�H
G(D
B)-S
M
wiri
ng D
iagr
ams
Dom
estic
Air
Con
ditio
ner
11.2
.OU
TDO
OR
UN
IT
11.2
.1C
ontro
l Bar
d C
ircui
t Dia
gram
s
13
GN
D4
GN
D3
GN
D2
GN
D1
VCC
8G
ND
7SC
L6
SDA
5IC
6A
T24C
02B
1
CN2
AC-
L
1
CN1
AC-
N
Blac
k
Whi
te
FUSE
1
T25A
250
VA
CRV
1S1
4K35
0R1 1M
R12
100/
1WCX
122
5/27
5V
L1
8MH
/10A
RV2
S14K
350
RV3
S14K
350
CX2
225/
275V
PTC1
400N
CY1472/250V/275V
CY2472/250V/275V
CY3103/250V/275V
CY4103/250V/275V
1
CN3
PE
SA1
RA-3
62M
K5
12V
-25A
-891
P-1A
-C
K3
12V
-5A
-892
H(N
)-1A
C-C
K4
12V
-5A
-892
H(N
)-1A
C-C
K2
12V
-5A
-892
H(N
)-1A
C-C
K1
12V
-5A
-892
-1C
C-C
123
CN10
Com
men
t:
CX4
103/
275V
123456789
CN12
12345
CN13
STCO
M
1
CN14
1
CN
15
C12U
/450
V
COM
LH
CC
COM
LH
CC
1 2 3 4 5 6 7 GN
D12
V10111213141516
IC7
ULN
2003
+12V
1 2 3 4 5 6
CN
16
ABCD
C10 104/
50V
+5V
+5V
R75
2K
LED1
P12S
A10
37A
KR47
5.1K
/1%
R49
10K
R50
1K
+5V
C20
102/
50V
1 2 3 4 5 6
CN21
C15
103/
50V
310V
0V 15V
R33
2.2K
R36
1K
R34
1K
R13
330/
1W
R35
1K
R37
330
ZD2
10V
/0.5
WZD
35.
1V/0
.5W
4 3
1 2
IC8
PC81
7A
4 3
1 2
IC9
PC81
7A
E9 47U
/25V
N1Co
mm
ent:
2SC2
412K
R41
1K
R39
10KR3
8
330
R40
5.1K
/1%
C14
102/
50V
XT14M
C13
104/
50V
+5V
C12
104/
50V
R63
560
R65
10K
R64
10K
123
CN
20123
CN
18 12
CN
19
+5V
R76
20K/1%
R87
4.7K
R88
10K
R77
1KC24
104/
50VC2
5
104/
50VC2
6
104/
50V
E14
4.7U
/16V
E11
4.7U
/16V
E12
4.7U
/16V
E13
4.7U
/16V
+15V
R7410K/1%
R7310K/1%
R54
10K
C22102/50V
C21102/50VR82
47K/1%
R80
20K/1%
R78
20K/1%
R79
1KR8
11K
R83
1K
C23
104/
50V
CS(White))eti h W( QT ) woll e Y( WH
123
CN23
5V COM
GN
D
Com
with
Mod
ule
(Bla
ck)
1 2 3 4 5
CN
30
1 2 3 4
CN
31
+5V
1
CN8
AC-
N O
UT
1
CN9
AC-
L O
UT
naF CA deeps-o
wTnaF C
A deeps-eerhTya
W- ruoF
E-valve(White)
R551KR561KR571KR581K
R67
1K
R72
1KR7
11K
R70
1K
+5V
12
CN33
SW TEST(BLUE)
CX7
104/
275V
R48
10K
XQ(Red)
C11104/50V
R62
10K
P2 2SA
1037
AK
R60
10K
R61 2K
R59
2K
FUSE
2T1
A/2
50V
WB
R53
10K
R52
10K
R51
10K
FUCT
ION
TES
T(W
hite
)
TEST
/SS
COO
LH
EAT
PCGN
D
()
+5V
R85
10K
R66
1K
R84
4.7K
R68
1KR6
91K
N3
2SC2
412K
N4
2SC2
412K
Whi
te
ERROR
123
CN
17
D5
LL41
48
D6
LL41
48
Yel
low
/Gre
en
1 2
CN
32TE
ST/S
SG
ND
12
CN11
+12V
J1J2
J3
J6+5
V+5
V
J7+1
2V+1
2V
J8
R91
10K
J9
J10
C19
104/
50V
J15
J16
+15V
+15V
J13
J14
J12
R92
0
R93
0
R94
0
J17
J19
J23
L2
8MH
/10A
R2 1MCX
322
5/27
5V
CY5472/250V/275V
CY6472/250V/275V
J24
J25
J26
J27
J28
J29
J30
J31
J32
J33
N PP N
12
CN36
Whi
teBl
ack
R86
4.7K
K6
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-892
H(N
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C-C
D11
LL41
48N
52S
C241
2K
R89
10K
J27
J34
1 24 3
SW1
R95
10K
R96
10K+5
V
VCC
62
VRE
F61
AV
SS59
DC-
FAN
SPEE
D13
DC
FAN
PG
36
Indo
or C
om O
UT
41
Indo
or C
om IN
38
PC C
OM
37
NC
33
Term
inal
Pro
28
MO
DU
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OU
T27
MO
DU
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IN26
VSS
50TE
ST-E
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NC
44
COO
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23
HEA
T-EN
22
RESE
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9
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7
VSS
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E-V
ALV
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/L F
AN
SPE
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sele
ct47
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60
VSS
49V
SS48
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t Lig
ht31
Fre
Adj
ust
46H
W54
CS53
XQ
52TX
51
NC
45
MO
DE
3
VCC
10
NC
14
NC
15
NC
17
NC
18
NC
19
NC
20
NC
21
NC
25N
C11
NC
12N
C16
NC
32
NC
34N
C35
NC
40
NC
39
NC
43
SW-2
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IC5
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1 2 3 4
CN7
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1
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L
1
CN6
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N
J4
J5 J22
J35
J36
J37
J38
R99
0
J39
J40
CY7222/250VAC
R4 2K
CY10222/250VAC
C16
Com
men
t: 10
2/50
V
+5V
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330
R3 2K/2
WD
1
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07
43
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1
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CN27CO
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Com
men
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C24
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4.7K
R101
4.7K
R102 0
R103
4.7K
R104 0
Vin
1
GND 2
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t3
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5CV
C910
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VE8
Com
men
t: 10
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R29
47
R19
47
C6 104/
50V
IC3
TL43
1C
C3 102/
100V
L3 20U
H/1
AZD
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5948
BE5
470U
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E610
0U/1
6V
E747
0U/2
5V
E3 22U
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CY9
222/
250V
AC
D7
MBR
1100
\SB1
100 C2
102/
100V
R18
47
C7104/50V
R22
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733
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5.1K
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R30
1K
R285.1K/1%
R31
1K
C5 104/
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10K
R26
1K R16
2/1W
R14100K/2W
R15
15
C4 103/
50V
910
+5V
D
T1Co
mm
ent:
E220
34
76 4 5
CY8
472/
1KV
R27
10K
1 3
R24
5.1K
/1%
CX5
104/
275V
AD
J1
FB2
CS3
GN
D4
HV
8
NC
7
VCC
6
DRV
5
IC1
NCP
1200
P100
D9
MU
R115
\MU
R130
\ER1
06
D10
ER10
6
D8
MBR
3100
\ER3
02
4 3
1 2
IC2
PC81
7A
R20
220
R21
220
M1
IRFU
C20
1 2 3
CN22 (
)
J11
R90
0
N
P
92
Outdoor Board Schematic
REFERENCE INFORMATION PAGE 59
ENG
LISH
Indoor Board Diagram
Indoor AW09ES2VHA AW12ES2VHA AW18ES2VHA AW24ES2VHA Wiring Diagrams 1 INDOOR UNIT