Mitsubishi Electric PURY-HP96T Instalační manuál

ModelsPUHY-P72, P96, P120, P144T(Y)JMU-APUHY-P168, P192, P216, P240, P264, P288T(Y)SJMU-APUHY-P312, P336, P360T(Y)SJMU-A

- 1 -HWE09120 GBI Read Before Servicing[1] Read Before Servicing ...

[ VI Refrigerant Circuit ] - 91 -HWE09120 GB2. Indoor UnitPart Name Symbol (functions) Notes Usage Specification Check method Linear expan-sion valv

- 92 -[ VI Refrigerant Circuit ]GBHWE09120

- 93 -HWE09120 GBVII Control[1] Functions and Factory Settings of the Dipswitches ... 95[2] Cont

- 94 -

[ VII Control ] - 95 -HWE09120 GBVII Control[1] Functions and Factory Settings of the Dipswitches1. Outdoor unit(1) Control board1) Unless otherwis

[ VII Control ]- 96 -HWE09120 GB1) Unless otherwise specified, leave the switch to OFF where indicated by "-," which may be set to OFF fo

[ VII Control ] - 97 -HWE09120 GB1) Unless otherwise specified, leave the switch to OFF where indicated by "-," which may be set to OFF f

[ VII Control ]- 98 -HWE09120 GB(2) INV board1) PUHY-P72, P96, P120, P144YJMU-A, PUHY-P72TJMU-AFunctions are switched with the following connector

[ VII Control ] - 99 -HWE09120 GB2. Function of the switch (Indoor unit)(1) Dipswitches1) SW1,3(2) Address switchActual indoor unit address settin

[ VII Control ]- 100 -HWE09120 GB3. Function of the switch <Remote controller>(1) MA remote controller (PAR-20MAU)The SW is located at the bot

- 2 -

[ VII Control ] - 101 -HWE09120 GB(2) ME remote controller (PAR-F27MEA-US)Set the address of the remote controller with the rotary switch.To set add

[ VII Control ]- 102 -HWE09120 GB[2] Controlling the Outdoor Unit-1- Outline of Control MethodThe outdoor units are designated as OC, OS1 and OS2 in

[ VII Control ] - 103 -HWE09120 GB-5- Bypass ControlBypass solenoid valves (SV1a), which bypass the high- and low- pressure sides, perform the follow

[ VII Control ]- 104 -HWE09120 GB-6- Compressor Frequency Control Depending on the capacity required, the frequency of the compressor is controlled

[ VII Control ] - 105 -HWE09120 GB-7- Defrost Operation Control(1) Starting the defrost operationThe defrost cycle will start when all of the three

[ VII Control ]- 106 -HWE09120 GB(3) Stopping the defrost operationThe defrost cycle ends when 12 minutes have passed since the beginning of the cyc

[ VII Control ] - 107 -HWE09120 GB-8- Refrigerant Recovery Control Recovery of refrigerant is performed during heating operation to prevent the refri

[ VII Control ]- 108 -HWE09120 GB-9- Capacity Control of Outdoor Fan(1) Control methodDepending on the capacity required, the rotation speed of the

[ VII Control ] - 109 -HWE09120 GB(2) P168, P192, P216, P240, P264, P288 models1 Qj:Total capacity (models) codeRefer to the VII [1] 2. (1) Dipswi

[ VII Control ]- 110 -HWE09120 GB(3) P312, P336, P368 models1 Qj:Total capacity (models) codeRefer to the VII [1] 2. (1) Dipswitches for the capac

[ I Read Before Servicing ] - 3 -HWE09120 GBI Read Before Servicing[1] Read Before Servicing1. Check the type of refrigerant used in the system to b

[ VII Control ] - 111 -HWE09120 GB-13- Emergency Operation Mode1. Problems with the outdoor unitEmergency operation mode is a temporary operation m

[ VII Control ]- 112 -HWE09120 GB(2) Ending the emergency operation1) End conditionsWhen one of the following conditions is met, emergency operati

[ VII Control ] - 113 -HWE09120 GBEmergency operation pattern (2 outdoor units)Emergency operation pattern (3 outdoor units)(3) Ending the emergency

[ VII Control ]- 114 -HWE09120 GB-15- DEMAND ControlCooling/heating operation can be prohibited (Thermo-OFF) by an external input to the indoor units

[ VII Control ] - 115 -HWE09120 GB[3] Operation Flow Chart1. Mode determination flowchart (1) Indoor unit (cooling, heating, dry, fan mode)*Note 1. I

[ VII Control ]- 116 -HWE09120 GB(2) Outdoor unit (cooling and heating modes)*Note 1. For about 3 minutes after power on, search for the indoor unit

[ VII Control ] - 117 -HWE09120 GB2. Operations in each mode(1) Cooling operation*Note 1. The indoor fan operates at the set notch under cooling mod

[ VII Control ]- 118 -HWE09120 GB(2) Heating operation1) When outdoor unit starts defrosting, it transmits defrost operations command to indoor uni

[ VII Control ] - 119 -HWE09120 GB(3) Dry operationDry operation *Note 1 *Note 2 YES YES NO NO 4-way valve OFF 1. Outdoor unit (compressor) inte

- 120 -[ VII Control ]GBHWE09120

[ I Read Before Servicing ]- 4 -HWE09120 GB[2] Necessary Tools and MaterialsPrepare the following tools and materials necessary for installing and se

- 121 -HWE09120 GBVIII Test Run Mode[1] Items to be checked before a Test Run...

- 122 -

[ VIII Test Run Mode ] - 123 -HWE09120 GBVIII Test Run Mode[1] Items to be checked before a Test Run(1) Check for refrigerant leak and loose cables a

[ VIII Test Run Mode ]- 124 -HWE09120 GB[2] Test Run MethodThe figure shows an MA remote controller (PAR-21MAA). PAR-21MAAON/OFF FILTERCHECKOPERATION

[ VIII Test Run Mode ] - 125 -HWE09120 GB[3] Operating Characteristic and Refrigerant AmountIt is important to have a clear understanding of the char

[ VIII Test Run Mode ]- 126 -HWE09120 GB3. Amount of refrigerant to be addedThe amount of refrigerant that is shown in the table below is factory-ch

[ VIII Test Run Mode ] - 127 -HWE09120 GB(2) Example: PUHY-P168T(Y)SJMU-A(3) Sample calculationCAUTIONCharge liquid refrigerant (as opposed to gaseou

[ VIII Test Run Mode ]- 128 -HWE09120 GB[5] Refrigerant Amount Adjust Mode1. Procedures Follow the procedures below to add or extract refrigerant as

[ VIII Test Run Mode ] - 129 -HWE09120 GBCAUTIONDo not release the extracted refrigerant into the air.CAUTIONCharge liquid refrigerant (as opposed to

[ VIII Test Run Mode ]- 130 -HWE09120 GB[6] The following symptoms are normal.SymptomsRemote controller displayCauseThe indoor unit does not start af

[ I Read Before Servicing ] - 5 -HWE09120 GB[3] Piping Materials1. Copper pipe materialsThe distinction between O-materials (Annealed) and 1/2H-mat

[ VIII Test Run Mode ] - 131 -HWE09120 GB[7] Standard Operation Data (Reference Data)1. Single unit(1) Cooling operationOperationOutdoor unit modelPU

[ VIII Test Run Mode ]- 132 -HWE09120 GBOperationOutdoor unit modelPUHY-P120TJMU-A PUHY-P144TJMU-AOperating conditionsAmbient tempera-tureIndoorDB/WB

[ VIII Test Run Mode ] - 133 -HWE09120 GB(2) Heating operationOperationOutdoor unit modelPUHY-P72TJMU-A PUHY-P96TJMU-AOperating conditionsAmbient tem

[ VIII Test Run Mode ]- 134 -HWE09120 GBOperationOutdoor unit modelPUHY-P120TJMU-A PUHY-P144TJMU-AOperating conditionsAmbient tempera-tureIndoorDB/WB

[ VIII Test Run Mode ] - 135 -HWE09120 GB2. 2-unit combination(1) Cooling operationOperationOutdoor unit modelPUHY-P168TSJMU-APUHY-P72TJMU-A PUHY-P96

[ VIII Test Run Mode ]- 136 -HWE09120 GBOperationOutdoor unit modelPUHY-P192TSJMU-APUHY-P72TJMU-A PUHY-P120TJMU-AOperating conditionsAmbient tempera-

[ VIII Test Run Mode ] - 137 -HWE09120 GBOperationOutdoor unit modelPUHY-P216TSJMU-APUHY-P96TJMU-A PUHY-P120TJMU-AOperating conditionsAmbient tempera

[ VIII Test Run Mode ]- 138 -HWE09120 GBOperationOutdoor unit modelPUHY-P240TSJMU-APUHY-P120TJMU-A PUHY-P120TJMU-AOperating conditionsAmbient tempera

[ VIII Test Run Mode ] - 139 -HWE09120 GBOperationOutdoor unit modelPUHY-P264TSJMU-APUHY-P120TJMU-A PUHY-P144TJMU-AOperating conditionsAmbient temper

[ VIII Test Run Mode ]- 140 -HWE09120 GBOperationOutdoor unit modelPUHY-P288TSJMU-APUHY-P144TJMU-A PUHY-P144TJMU-AOperating conditionsAmbient tempera

[ I Read Before Servicing ]- 6 -HWE09120 GB4. Thickness and refrigerant type indicated on the piping materialsAsk the pipe manufacturer for the symb

[ VIII Test Run Mode ] - 141 -HWE09120 GB(2) Heating operationOperationOutdoor unit modelPUHY-P168TSJMU-APUHY-P72TJMU-A PUHY-P96TJMU-AOperating condi

[ VIII Test Run Mode ]- 142 -HWE09120 GBOperationOutdoor unit modelPUHY-P192TSJMU-APUHY-P72TJMU-A PUHY-P120TJMU-AOperating conditionsAmbient tempera-

[ VIII Test Run Mode ] - 143 -HWE09120 GBOperationOutdoor unit modelPUHY-P216TSJMU-APUHY-P96TJMU-A PUHY-P120TJMU-AOperating conditionsAmbient tempera

[ VIII Test Run Mode ]- 144 -HWE09120 GBOperationOutdoor unit modelPUHY-P240TSJMU-APUHY-P120TJMU-A PUHY-P120TJMU-AOperating conditionsAmbient tempera

[ VIII Test Run Mode ] - 145 -HWE09120 GBOperationOutdoor unit modelPUHY-P264TSJMU-APUHY-P120TJMU-A PUHY-P144TJMU-AOperating conditionsAmbient temper

[ VIII Test Run Mode ]- 146 -HWE09120 GBOperationOutdoor unit modelPUHY-P288TSJMU-APUHY-P144TJMU-A PUHY-P144TJMU-AOperating conditionsAmbient tempera

[ VIII Test Run Mode ] - 147 -HWE09120 GB3. 3-unit combination(1) Cooling operationOperationOutdoor unit modelPUHY-P312TSJMU-APUHY-P72TJMU-APUHY-P120

[ VIII Test Run Mode ]- 148 -HWE09120 GBOperationOutdoor unit modelPUHY-P336TSJMU-APUHY-P96TJMU-APUHY-P120TJMU-APUHY-P120TJMU-AOperating conditionsAm

[ VIII Test Run Mode ] - 149 -HWE09120 GBOperationOutdoor unit modelPUHY-P360TSJMU-APUHY-P96TJMU-APUHY-P120TJMU-APUHY-P144TJMU-AOperating conditionsA

[ VIII Test Run Mode ]- 150 -HWE09120 GB(2) Heating operationOperationOutdoor unit modelPUHY-P312TSJMU-APUHY-P72TJMU-APUHY-P120TJMU-APUHY-P120TJMU-AO

[ I Read Before Servicing ] - 7 -HWE09120 GB[4] Storage of Piping1. Storage locationStore the pipes to be used indoors. (Warehouse at site or owner&a

[ VIII Test Run Mode ] - 151 -HWE09120 GBOperationOutdoor unit modelPUHY-P336TSJMU-APUHY-P96TJMU-APUHY-P120TJMU-APUHY-P120TJMU-AOperating conditionsA

[ VIII Test Run Mode ]- 152 -HWE09120 GBOperationOutdoor unit modelPUHY-P360TSJMU-APUHY-P96TJMU-APUHY-P120TJMU-APUHY-P144TJMU-AOperating conditionsAm

- 153 -HWE09120 GBIX Troubleshooting[1] Error Code Lists...

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[ IX Troubleshooting ] - 155 -HWE09120 GBIX Troubleshooting[1] Error Code ListsError CodePrelimi-nary error codeError (prelim-inary) detail codeError

[ IX Troubleshooting ]- 156 -HWE09120 GB5102 1217 -Temperature sensor faultIndoor unit pipe tempera-ture (TH22)OOA processing unit pipe temperature (

[ IX Troubleshooting ] - 157 -HWE09120 GBThe last digit in the check error codes in the 4000's and 5000's and two-digit detail codes indica

[ IX Troubleshooting ]- 158 -HWE09120 GB[2] Responding to Error Display on the Remote Controller1. Error CodeSerial communication error2. Error defi

[ IX Troubleshooting ] - 159 -HWE09120 GB1. Error CodeSerial communication error2. Error definition and error detection methodSerial communication e

[ IX Troubleshooting ]- 160 -HWE09120 GB1. Error CodeDischarge temperature fault 2. Error definition and error detection method1) If the discharge

[ I Read Before Servicing ]- 8 -HWE09120 GB[6] BrazingNo changes have been made in the brazing procedures. Perform brazing with special care to keep

[ IX Troubleshooting ] - 161 -HWE09120 GB1. Error CodeLow pressure fault 2. Error definition and error detection methodWhen starting the compressor

[ IX Troubleshooting ]- 162 -HWE09120 GB1. Error CodeHigh pressure fault 1 (Outdoor unit)2. Error definition and error detection method1) If the p

[ IX Troubleshooting ] - 163 -HWE09120 GB1. Error CodeHigh pressure fault 2 (Outdoor unit)2. Error definition and error detection methodIf the press

[ IX Troubleshooting ]- 164 -HWE09120 GB1. Error CodeDrain sensor submergence (Models with a drain sensor)2. Error definition and error detection me

[ IX Troubleshooting ] - 165 -HWE09120 GB1. Error CodeDrain sensor submergence (Models with a float switch)2. Error definition and error detection m

[ IX Troubleshooting ]- 166 -HWE09120 GB1. Error CodeDrain pump fault (Models with a drain sensor)2. Error definition and error detection method1)

[ IX Troubleshooting ] - 167 -HWE09120 GB1. Error CodeDrain pump fault (Models with a float switch)2. Error definition and error detection method1)

[ IX Troubleshooting ]- 168 -HWE09120 GB1. Error CodeDrain sensor (Thd) fault2. Error definition and error detection methodIf the open or short cir

[ IX Troubleshooting ] - 169 -HWE09120 GB1. Error CodeWater leakage2. Cause, check method and remedyCheck that water does not leak from the pipes in

[ IX Troubleshooting ]- 170 -HWE09120 GB1. Error CodeOpen phase2. Error definition and error detection methodAn open phase of the power supply (L1

[ I Read Before Servicing ] - 9 -HWE09120 GB[7] Air Tightness TestNo changes have been made in the detection method. Note that a refrigerant leak det

[ IX Troubleshooting ] - 171 -HWE09120 GB1. Error CodeOpen phase2. Error definition and error detection methodAn open phase of the power supply (L1

[ IX Troubleshooting ]- 172 -HWE09120 GB1. Error Code<Transmission power supply fault Error detail code FF (Outdoor unit)>2. Error definition

[ IX Troubleshooting ] - 173 -HWE09120 GB1. Error CodeIndoor unit fan operation error2. Error definition and error detection method1) During opera

[ IX Troubleshooting ]- 174 -HWE09120 GB1. Error CodePower supply signal sync error2. Error definition and error detection methodThe frequency canno

[ IX Troubleshooting ] - 175 -HWE09120 GB1. Error CodeRPM error/Motor error 2. Error definition and error detection methodLOSSNAYThe motor keep ru

[ IX Troubleshooting ]- 176 -HWE09120 GB1. Error CodeAbnormal bus voltage drop (Detail code 108)2. Error definition and error detection methodIf Vdc

[ IX Troubleshooting ] - 177 -HWE09120 GB1. Error CodeAbnormal bus voltage drop (Detail code 108)2. Error definition and error detection methodIf Vd

[ IX Troubleshooting ]- 178 -HWE09120 GB1. Error CodeAbnormal bus voltage rise (Detail code 109)2. Error definition and error detection methodIf Vdc

[ IX Troubleshooting ] - 179 -HWE09120 GB1. Error CodeLogic error (Detail code 111)2. Error definition and error detection methodH/W errorIf only th

[ IX Troubleshooting ]- 180 -HWE09120 GB1. Error CodeLogic error (Detail code 111)2. Error definition and error detection methodH/W errorIf only the

[ I Read Before Servicing ]- 10 -HWE09120 GB[8] Vacuum Drying (Evacuation)1. Vacuum pump with a reverse-flow check valve (Photo1)To prevent the vacu

[ IX Troubleshooting ] - 181 -HWE09120 GB1. Error CodeHeatsink overheat protection2. Error definition and error detection methodWhen the heat sink t

[ IX Troubleshooting ]- 182 -HWE09120 GB1. Error CodeHeatsink overheat protection2. Error definition and error detection methodWhen the heat sink te

[ IX Troubleshooting ] - 183 -HWE09120 GB1. Error CodeOverload protection2. Error definition and error detection methodIf the output current of &quo

[ IX Troubleshooting ]- 184 -HWE09120 GB1. Error CodeOverload protection2. Error definition and error detection methodIf the output current of &quo

[ IX Troubleshooting ] - 185 -HWE09120 GB1. Error CodeIPM error (Detail code 101)2. Error definition and error detection methodIn the case of 4250P7

[ IX Troubleshooting ]- 186 -HWE09120 GB1. Error CodeIPM error (Detail code 101)2. Error definition and error detection methodIn the case of 4250Ove

[ IX Troubleshooting ] - 187 -HWE09120 GB1. Error CodeDCCT overcurrent (H/W detection) (Detail code 103)Instantaneous overcurrent (Detail code 106)Ov

[ IX Troubleshooting ]- 188 -HWE09120 GB1. Error CodeInstantaneous overcurrent (Detail code 106)Overcurrent (effective value) (Detail code 107)2. Er

[ IX Troubleshooting ] - 189 -HWE09120 GB1. Error CodeOvercurrent error due to short-circuited motor (Detail code 105)2. Error definition and error

[ IX Troubleshooting ]- 190 -HWE09120 GB1. Error CodeReturn air temperature sensor (TH21) fault (Indoor unit)Return air temperature sensor (TH4) faul

ii HWE09120 GBSafety PrecautionsBefore installing the unit, thoroughly read the following safety precautions.Observe these safety precautions for yo

[ I Read Before Servicing ] - 11 -HWE09120 GB[9] Refrigerant Charging1. ReasonsR410A is a pseudo-azeotropic HFC blend (boiling point R32=-52°C[-62°F]

[ IX Troubleshooting ] - 191 -HWE09120 GB1. Error CodeHIC bypass circuit outlet temperature sensor (TH2) fault (Outdoor unit)Heat exchanger outlet te

[ IX Troubleshooting ]- 192 -HWE09120 GB1. Error CodeHeatsink temperature sensor (THHS) fault (Detail code 01)2. Error definition and error detectio

[ IX Troubleshooting ] - 193 -HWE09120 GB1. Error CodeHeatsink temperature sensor (THHS) fault (Detail code 01)2. Error definition and error detecti

[ IX Troubleshooting ]- 194 -HWE09120 GB1. Error CodeACCT sensor fault (Detail code 115)2. Error definition and error detection methodWhen the formu

[ IX Troubleshooting ] - 195 -HWE09120 GB1. Error CodeACCT sensor fault (Detail code 115)2. Error definition and error detection methodWhen the form

[ IX Troubleshooting ]- 196 -HWE09120 GB1. Error CodeDCCT sensor circuit fault (Detail code118)2. Error definition and error detection methodWhen an

[ IX Troubleshooting ] - 197 -HWE09120 GB1. Error CodeOpen-circuited IPM/Loose ACCT connector (Detail code 119)2. Error definition and error detecti

[ IX Troubleshooting ]- 198 -HWE09120 GB1. Error CodeFaulty ACCT wiring (Detail code 120)2. Error definition and error detection methodPresence of t

[ IX Troubleshooting ] - 199 -HWE09120 GB1. Error CodeLoose float switch connector2. Error definition and error detection methodDetection of the dis

[ IX Troubleshooting ]- 200 -HWE09120 GB1. Error CodeAddress overlap2. Error definition and error detection methodAn error in which signals from mor

[ I Read Before Servicing ]- 12 -HWE09120 GB[11] Characteristics of the Conventional and the New Refrigerants1. Chemical propertyAs with R22, the new

[ IX Troubleshooting ] - 201 -HWE09120 GB1. Error CodeTransmission processor hardware error2. Error definition and error detection methodAlthough &q

[ IX Troubleshooting ]- 202 -HWE09120 GB1. Error CodeTransmission line bus busy error 2. Error definition and error detection methodGenerated error

[ IX Troubleshooting ] - 203 -HWE09120 GB1. Error CodeNo ACK error 2. Error definition and error detection methodThe error is detected when no ackno

[ IX Troubleshooting ]- 204 -HWE09120 GB1. Error CodeNo ACK error 2. Error definition and error detection methodThe error is detected when no acknow

[ IX Troubleshooting ] - 205 -HWE09120 GB1. Error CodeNo ACK error 2. Error definition and error detection methodThe error is detected when no ackno

[ IX Troubleshooting ]- 206 -HWE09120 GB1. Error CodeNo ACK error 2. Error definition and error detection methodThe error is detected when no acknow

[ IX Troubleshooting ] - 207 -HWE09120 GB1. Error CodeNo ACK error 2. Error definition and error detection methodThe error is detected when no ackno

[ IX Troubleshooting ]- 208 -HWE09120 GB1. Error CodeNo ACK error 2. Error definition and error detection methodThe error is detected when no acknow

[ IX Troubleshooting ] - 209 -HWE09120 GB1. Error CodeNo ACK error 2. Error definition and error detection methodThe error is detected when no ackno

[ IX Troubleshooting ]- 210 -HWE09120 GB1. Error CodeNo ACK error 2. Error definition and error detection methodThe error is detected when no acknow

[ I Read Before Servicing ] - 13 -HWE09120 GB[12] Notes on Refrigerating Machine Oil1. Refrigerating machine oil in the HFC refrigerant systemHFC ty

[ IX Troubleshooting ] - 211 -HWE09120 GB1. Error CodeNo response error 2. Error definition and error detection methodWhen no response command is r

[ IX Troubleshooting ]- 212 -HWE09120 GB1. Error CodeMA controller signal reception error (No signal reception)2. Error definition and error detecti

[ IX Troubleshooting ] - 213 -HWE09120 GB1. Error CodeMA remote controller signal transmission error (Synchronization error)2. Error definition and

[ IX Troubleshooting ]- 214 -HWE09120 GB1. Error CodeMA remote controller signal transmission error (Hardware error)2. Error definition and error de

[ IX Troubleshooting ] - 215 -HWE09120 GB1. Error CodeMA controller signal reception error (Start bit detection error)2. Error definition and error

[ IX Troubleshooting ]- 216 -HWE09120 GB1. Error CodeTotal capacity error2. Error definition and error detection methodThe model total of indoor uni

[ IX Troubleshooting ] - 217 -HWE09120 GB1. Error CodeCapacity code setting error2. Error definition and error detection method Connection of incomp

[ IX Troubleshooting ]- 218 -HWE09120 GB1. Error CodeWrong number of connected units2. Error definition and error detection method The number of con

[ IX Troubleshooting ] - 219 -HWE09120 GB1. Error CodeAddress setting error2. Error definition and error detection methodErroneous setting of OC uni

[ IX Troubleshooting ]- 220 -HWE09120 GB1. Error CodeConnection information signal transmission/reception error2. Error definition and error detecti

- 14 -[ I Read Before Servicing ]GBHWE09120

[ IX Troubleshooting ] - 221 -HWE09120 GB1. Error CodeFunction setting error (incorrect resistor connection)2. Error source, cause, check method and

[ IX Troubleshooting ]- 222 -HWE09120 GB1. Error CodeModel setting error2. Error source, cause, check method and remedy7117Error source Cause Check

[ IX Troubleshooting ] - 223 -HWE09120 GB1. Error CodeIncompatible unit combination 2. Error definition and error detection methodThe check code wil

[ IX Troubleshooting ]- 224 -HWE09120 GB-1- Troubleshooting according to the remote controller malfunction or the external input errorIn the case of

[ IX Troubleshooting ] - 225 -HWE09120 GBIn the case of MA remote controller2. PhenomenaWhen the remote controller operation SW is turned on, the ope

[ IX Troubleshooting ]- 226 -HWE09120 GBIn the case of MA remote controller3. Phenomena"HO" or "PLEASE WAIT" display on the remot

[ IX Troubleshooting ] - 227 -HWE09120 GBFlow chartEven if the operation button on the remote controller is pressed, the indoor and the outdoor units

[ IX Troubleshooting ]- 228 -HWE09120 GBIn case of ME remote controller1. PhenomenaEven if the operation button on the remote controller is pressed,

[ IX Troubleshooting ] - 229 -HWE09120 GBIn case of ME remote controller2. PhenomenaWhen the remote controller operation SW is turned on, a temporary

[ IX Troubleshooting ]- 230 -HWE09120 GBIn case of ME remote controller3. Phenomena"HO" display on the remote controller does not disappear

- 15 -HWE09120 GBII Restrictions[1] System configuration ...

[ IX Troubleshooting ] - 231 -HWE09120 GBIn case of ME remote controller4. Phenomena"88" appears on the remote controller when the address

[ IX Troubleshooting ]- 232 -HWE09120 GBBoth for MA remote controller and ME remote controller1. PhenomenaAlthough cooling operation starts with the

[ IX Troubleshooting ] - 233 -HWE09120 GBCause Check method and remedy4. Long piping lengthThe cooling capacity varies greatly depending on the press

[ IX Troubleshooting ]- 234 -HWE09120 GB2. PhenomenaAlthough heating operation starts with the normal remote controller display, the capacity is not

[ IX Troubleshooting ] - 235 -HWE09120 GBCause Check method and remedy2. Indoor unit LEV malfunctionInsufficient refrigerant flows due to LEV malfunc

[ IX Troubleshooting ]- 236 -HWE09120 GB3. PhenomenaOutdoor unit stops at times during operation.(1) Cause, check method and remedyCause Check metho

[ IX Troubleshooting ] - 237 -HWE09120 GB[3] Investigation of Transmission Wave Shape/Noise1. M-NET transmissionControl is performed by exchanging si

[ IX Troubleshooting ]- 238 -HWE09120 GB(3) Check method and remedy1) Measures against noiseCheck the followings when noise exists on the wave or

[ IX Troubleshooting ] - 239 -HWE09120 GB2. MA remote controller transmissionThe communication between the MA remote controller and the indoor unit

[ IX Troubleshooting ]- 240 -HWE09120 GB[4] Troubleshooting Principal Parts-1- High-Pressure Sensor (63HS1)1. Compare the pressure that is detected

- 16 -

[ IX Troubleshooting ] - 241 -HWE09120 GB-2- Low-Pressure Sensor (63LS)1. Compare the pressure that is detected by the low pressure sensor, and the

[ IX Troubleshooting ]- 242 -HWE09120 GB-3- Solenoid ValveCheck whether the output signal from the control board and the operation of the solenoid va

[ IX Troubleshooting ] - 243 -HWE09120 GB(3) In case of SV1a (Bypass valve)This solenoid valve opens when powered (Relay ON).1) At compressor star

[ IX Troubleshooting ]- 244 -HWE09120 GBYESYESYESYESYESNONONONOReplace the control board.Replace 52F.Is the wiring between the FAN board, 52F, and fa

[ IX Troubleshooting ] - 245 -HWE09120 GB-5- LEVLEV operationLEV (Indoor unit: Linear expansion valve), LEV2 (Outdoor unit: Linear expansion valve) a

[ IX Troubleshooting ]- 246 -HWE09120 GB4) LEV closing and opening operation*Upon power on, the indoor unit circuit board sends a 2200 pulse signa

[ IX Troubleshooting ] - 247 -HWE09120 GB(2) Outdoor LEV (LEV1)The valve opening changes according to the number of pulses.1) Connections between

[ IX Troubleshooting ]- 248 -HWE09120 GB(3) Judgment methods and possible failure modeThe specifications of the outdoor unit (outdoor LEV) and the i

[ IX Troubleshooting ] - 249 -HWE09120 GB(4) Outdoor unit LEV (LEV1) coil removal procedure1) LEV componentAs shown in the figure, the outdoor LEV

[ IX Troubleshooting ]- 250 -HWE09120 GB(5) Removal procedure of outdoor unit LEV2 coil1) ComponentsThe outdoor unit LEV consists of a coil and a

[ II Restrictions ] - 17 -HWE09120 GBII Restrictions[1] System configuration1. Table of compatible indoor unitsThe table below summarizes the types o

[ IX Troubleshooting ] - 251 -HWE09120 GB-6- Inverter (TJMU-A)Replace only the compressor if only the compressor is found to be defective. (Overcurr

[ IX Troubleshooting ]- 252 -HWE09120 GBError display/failure condition Measure/inspection item[1] Inverter related errors4250, 4255, 4220, 4225, 423

[ IX Troubleshooting ] - 253 -HWE09120 GB(2) Inverter output related troublesItems to be checked Phenomena Remedy[1]Check the INV board error detect

[ IX Troubleshooting ]- 254 -HWE09120 GBItems to be checked Phenomena Remedy[3]Check whether the inverter is damaged.(No load)<P72 model> 1) In

[ IX Troubleshooting ] - 255 -HWE09120 GB[4]Check whether the inverter is damaged.(During com-pressor opera-tion)Put the outdoor unit into oper-ation

[ IX Troubleshooting ]- 256 -HWE09120 GB(3) Trouble treatment when the main power breaker is tripped.Items to be checked Phenomena Remedy[1] Perform

[ IX Troubleshooting ] - 257 -HWE09120 GB(4) Simple checking procedure for individual components of main inverter circuitBefore checking, turn the po

[ IX Troubleshooting ]- 258 -HWE09120 GB(5) Intelligent power module (P96, P120, P144 models)Measure resistances between each pair of terminals on t

[ IX Troubleshooting ] - 259 -HWE09120 GB(6) Diode stack (P96, P120, P144 models)Measure resistances between each pair of terminals on the diode sta

[ IX Troubleshooting ]- 260 -HWE09120 GBINV board external diagramFaston terminals have a locking function. Make sure the cable heads are securely lo

[ II Restrictions ]- 18 -HWE09120 GB[2] Types and Maximum allowable Length of Cables1. Wiring work (1) Notes1) Have all electrical work performed b

[ IX Troubleshooting ] - 261 -HWE09120 GB-6- Inverter (YJMU-A)Replace only the compressor if only the compressor is found to be defective. Replace

[ IX Troubleshooting ]- 262 -HWE09120 GBError display/failure condition Measure/inspection item[1] Inverter related errors4250, 4255, 4220, 4225, 423

[ IX Troubleshooting ] - 263 -HWE09120 GB(2) Inverter output related troublesItems to be checked Phenomena Remedy[1]Check the INV board er-ror detec

[ IX Troubleshooting ]- 264 -HWE09120 GBItems to be checked Phenomena Remedy[4]Check whether the inverter is damaged.(During com-pressor opera-tion)P

[ IX Troubleshooting ] - 265 -HWE09120 GB(3) Trouble treatment when the main power breaker is tripped(4) Trouble treatment when the main power eart

[ IX Troubleshooting ]- 266 -HWE09120 GB(5) Simple checking procedure for individual components of main inverter circuitBefore inspecting the inside

[ IX Troubleshooting ] - 267 -HWE09120 GBINV board external diagramJudgment value (reference)Black ( + )SC-P1 FT-N SC-L1 SC-L2 SC-L3Red (-)SC-P1 - -

[ IX Troubleshooting ]- 268 -HWE09120 GB-7- Control Circuit (TJMU-A)(1) Control power source function block1) PUHY-P72TJMU-AOutdoor unit Power sou

[ IX Troubleshooting ] - 269 -HWE09120 GB2) PUHY-P96, P120, P144TJMU-A * MA remote controllers and ME remote controllers cannot be used together.(B

[ IX Troubleshooting ]- 270 -HWE09120 GB(2) Troubleshooting transmission power circuit of outdoor unit1) PUHY-P72TJMU-ACheck the voltage between N

[ II Restrictions ] - 19 -HWE09120 GB2) Remote controller wiring*1 MA remote controller refers to MA remote controller (PAR-20MAU, PAR-21MAA), MA

[ IX Troubleshooting ] - 271 -HWE09120 GB2) PUHY-P96, P120, P144TJMU-ADC24 ~ 30V YES NO NO NO NO Check the voltage at the indoor/outdoor transmiss

[ IX Troubleshooting ]- 272 -HWE09120 GB-7- Control Circuit (YJMU-A)(1) Control power source function block1) PUHY-P72, P96, P120, P144YJMU-AOutdoo

[ IX Troubleshooting ] - 273 -HWE09120 GB(2) Troubleshooting transmission power circuit of outdoor unit1) PUHY-P72, P96, P120, P144YJMU-AYESYESYES

[ IX Troubleshooting ]- 274 -HWE09120 GB[5] Refrigerant Leak1. Leak spot: In the case of extension pipe for indoor unit (Cooling season)1) Mount a

[ IX Troubleshooting ] - 275 -HWE09120 GBWhen the power to the outdoor/indoor unit must be turned off to repair the leak after closing the service va

[ IX Troubleshooting ]- 276 -HWE09120 GB[6] Compressor Replacement Instructions Transformerbox*1Follow the procedures below (Steps 1 through 6) to

[ IX Troubleshooting ] - 277 -HWE09120 GB Compressor cover (top) 4. Remove the compressor cover (top). 5. Remove the compressor wires, compressor

[ IX Troubleshooting ]- 278 -HWE09120 GB[7] Troubleshooting Using the Outdoor Unit LED Error DisplayIf the LED error display appear as follows while

- 279 -HWE09120 GBX LED Monitor Display on the Outdoor Unit Board[1] How to Read the LED on the Service Monitor ...

- 280 -

[ II Restrictions ]- 20 -HWE09120 GB2. M-NET Address settings(1) Address settings tableThe need for address settings and the range of address settin

[ X LED Monitor Display on the Outdoor Unit Board ] - 281 -HWE09120 GBX LED Monitor Display on the Outdoor Unit Board[1] How to Read the LED on the S

[ X LED Monitor Display on the Outdoor Unit Board ]- 282 -HWE09120 GB3. Time data storage functionThe outdoor unit has a simple clock function that

[ X LED Monitor Display on the Outdoor Unit Board ]- 283 -HWE09120ILED Monitor Di splay on the Outdoor Unit Bo ardLED monitor displayCurrent dataNo.

[ X LED Monitor Display on the Outdoor Unit Board ]- 284 -HWE0912011 1101000000External signal(Open input contact point)Contact point de-mandLow-nois

[ X LED Monitor Display on the Outdoor Unit Board ]- 285 -HWE0912024 0001100000Indoor unit thermo-statTop Unit No. 1 Unit No. 2 Unit No. 3 Unit No. 4

[ X LED Monitor Display on the Outdoor Unit Board ]- 286 -HWE0912045 1011010000 TH4 -99.9 to 999.9 A A The unit is [°C]46 0111010000 TH3 -99.9 to 999

[ X LED Monitor Display on the Outdoor Unit Board ]- 287 -HWE0912072 000100100073 100100100074 010100100075 110100100076 001100100077 101100100078 01

[ X LED Monitor Display on the Outdoor Unit Board ]- 288 -HWE0912094 0111101000 AK 0000 to 9999 A A95 1111101000 FAN 0000 to 9999 A A Fan output [ %

[ X LED Monitor Display on the Outdoor Unit Board ]- 289 -HWE09120117 1010111000COMP Operation timeUpper 4 digits0000 to 9999 A AThe unit is [ h ]118

[ X LED Monitor Display on the Outdoor Unit Board ]- 290 -HWE09120139 1101000100140 0011000100141 1011000100142 0111000100143 1111000100144 000010010

iiHWE09120 GBWARNINGSecurely attach the terminal block cover (panel) to the unit.If the terminal block cover (panel) is not installed properly, dust a

[ II Restrictions ] - 21 -HWE09120 GB(2) Power supply switch connector connection on the outdoor unit(Factory setting: The male power supply switch c

[ X LED Monitor Display on the Outdoor Unit Board ]- 291 -HWE09120167 1110010100 168 0001010100 169 1001010100 170 0101010100 171 1101010100 172 0011

[ X LED Monitor Display on the Outdoor Unit Board ]- 292 -HWE09120178 0100110100 Error history 1 0000 to 9999 B B Address and error codes highlighted

[ X LED Monitor Display on the Outdoor Unit Board ]- 293 -HWE09120Error historyNo.SW1ItemDisplayUnit(A, B) *1Remarks1234567890 LD1 LD2 LD3 LD4 LD5 LD

[ X LED Monitor Display on the Outdoor Unit Board ]- 294 -HWE09120216 0001101100 TH4 -99.9 to 999.9 A A The unit is [°C]217 1001101100 TH3 -99.9 to 9

[ X LED Monitor Display on the Outdoor Unit Board ]- 295 -HWE09120243 1100111100244 0010111100245 1010111100246 0110111100247 1110111100248 000111110

[ X LED Monitor Display on the Outdoor Unit Board ]- 296 -HWE09120268 0011000010269 1011000010270 0111000010271 1111000010272 0000100010273 100010001

[ X LED Monitor Display on the Outdoor Unit Board ]- 297 -HWE09120293 1010010010294 0110010010COMP number of start-stop eventsUpper 4 digits0000 to 9

[ X LED Monitor Display on the Outdoor Unit Board ]- 298 -HWE09120Current dataNo.SW1ItemDisplayUnit(A, B)*1Remarks1234567890 LD1 LD2 LD3 LD4 LD5 LD6

[ X LED Monitor Display on the Outdoor Unit Board ]- 299 -HWE09120328 0001001010 329 1001001010 330 0101001010 331 1101001010 332 0011001010 333 1011

[ X LED Monitor Display on the Outdoor Unit Board ]- 300 -HWE09120Data on indoor unit systemNo.SW1ItemDisplayUnit(A, B) *1Remarks1234567890 LD1 LD2 L

[ II Restrictions ]- 22 -HWE09120 GB(6) Miscellaneous settingsCooling-only setting for the indoor unit: Cooling only model (Factory setting: SW3-1 &q

[ X LED Monitor Display on the Outdoor Unit Board ]- 301 -HWE09120368 0000111010 IC18 Address/capacity code 0000 to 9999 0000 to 9999 B Displayed alt

[ X LED Monitor Display on the Outdoor Unit Board ]- 302 -HWE09120396 0011000110 IC46 Address/capacity code 0000 to 9999 0000 to 9999 B Displayed alt

[ X LED Monitor Display on the Outdoor Unit Board ]- 303 -HWE09120412 0011100110 IC5 Suction temperature -99.9 to 999.9 B The unit is [°C]413 1011100

[ X LED Monitor Display on the Outdoor Unit Board ]- 304 -HWE09120436 0010110110 IC29 Suction temperature -99.9 to 999.9 B The unit is [°C]437 101011

[ X LED Monitor Display on the Outdoor Unit Board ]- 305 -HWE09120464 0000101110 IC7 Liquid pipe temperature -99.9 to 999.9 B The unit is [°C]465 100

[ X LED Monitor Display on the Outdoor Unit Board ]- 306 -HWE09120492 0011011110 IC35 Liquid pipe temperature -99.9 to 999.9 B The unit is [°C]493 10

[ X LED Monitor Display on the Outdoor Unit Board ]- 307 -HWE09120Setting dataNo.SW1ItemDisplayUnit(A, B)*1Remarks1234567890 LD1 LD2 LD3 LD4 LD5 LD6

[ X LED Monitor Display on the Outdoor Unit Board ]- 308 -HWE09120Data on indoor unit systemNo.SW1ItemDisplayUnit(A, B) *1Remarks1234567890 LD1 LD2 L

[ X LED Monitor Display on the Outdoor Unit Board ]- 309 -HWE09120Data on indoor unit systemNo.SW1ItemDisplayUnit(A, B) *1Remarks1234567890 LD1 LD2 L

[ X LED Monitor Display on the Outdoor Unit Board ]- 310 -HWE09120Data on indoor unit systemNo.SW1ItemDisplayUnit(A, B)*1Remarks1234567890 LD1 LD2 LD

[ II Restrictions ] - 23 -HWE09120 GBExample of wiring connection(1) CN51(2) CN3SCN51XYL1L2ecruos rewop pmaLDistant control boardRelay circuit Adapte

[ X LED Monitor Display on the Outdoor Unit Board ]- 311 -HWE09120600 0001101001 IC28SH -99.9 to 999.9 B The unit is [ °C ] 601 1001101001 IC29SH -99

[ X LED Monitor Display on the Outdoor Unit Board ]- 312 -HWE09120Data on indoor unit systemNo.SW1ItemDisplayUnit(A, B)*1Remarks1234567890 LD1 LD2 LD

[ X LED Monitor Display on the Outdoor Unit Board ]- 313 -HWE09120650 0101000101 IC28SC -99.9 to 999.9 B The unit is [ °C ] 651 1101000101 IC29SC -9

[ X LED Monitor Display on the Outdoor Unit Board ]- 314 -HWE09120Setting dataNo.SW1ItemDisplayUnit(A, B)* 1Remarks1234567890 LD1 LD2 LD3 LD4 LD5 LD6

[ X LED Monitor Display on the Outdoor Unit Board ]- 315 -HWE09120688 0000110101 Current time 00:00 to 23:59 A A Hour: minute689 1000110101 Current

[ X LED Monitor Display on the Outdoor Unit Board ]- 316 -HWE09120702 0111110101 Time of error detection 7 00:00 to 23:59 A A Hour: minute703 111111

[ X LED Monitor Display on the Outdoor Unit Board ]- 317 -HWE09120Data on indoor unit systemNo.SW1ItemDisplayUnit(A, B)* 1Remarks1234567890 LD1 LD2 L

[ X LED Monitor Display on the Outdoor Unit Board ]- 318 -HWE09120741 1010011101 IC28 LEV opening 0000 to 9999 B Fully open: 2000742 0110011101 IC2

[ X LED Monitor Display on the Outdoor Unit Board ]- 319 -HWE09120769 1000000011 IC6 Operation mode0000 : Stop 0001 : Ventilation 0002 : Cooling

[ X LED Monitor Display on the Outdoor Unit Board ]- 320 -HWE09120797 1011100011 IC34 Operation mode0000 : Stop 0001 : Ventilation 0002 : Cooling

[ II Restrictions ]- 24 -HWE09120 GB3. Demand control(1) General outline of controlDemand control is performed by using the external signal input to

[ X LED Monitor Display on the Outdoor Unit Board ]- 321 -HWE09120825 1001110011 IC12 filter 0000 to 9999 B Hours since last mainte-nance [ h ]826 0

[ X LED Monitor Display on the Outdoor Unit Board ]- 322 -HWE09120853 1010101011 IC40 filter 0000 to 9999 B Hours since last mainte-nance [ h ]854

[ X LED Monitor Display on the Outdoor Unit Board ]- 323 -HWE09120Other types of dataNo.SW1ItemDisplayUnit(A, B) *1Remarks1234567890 LD1 LD2 LD3 LD4

[ X LED Monitor Display on the Outdoor Unit Board ]- 324 -HWE09120887 1110111011 888 0001111011 889 1001111011 890 0101111011 891 1101111011 892 0011

PUHY-P72, P96, P120, P144T(Y)JMU-APUHY-P168, P192, P216, P240, P264, P288T(Y)SJMU-APUHY-P312, P336, P360T(Y)SJMU-AIssued in Feb. 2010 HWE09120Printed

[ II Restrictions ] - 25 -HWE09120 GB2) When SW4-4 on one outdoor unit in one refrigerant circuit system is set to ON (4 levels of on-DEMAND) (*3)*

[ II Restrictions ]- 26 -HWE09120 GB[4] Sample System ConnectionExamples of typical system connection are shown on pages [5] to [7]. Refer to the Ins

[ II Restrictions ] - 27 -HWE09120 GB

- 28 -[ II Restrictions ]GBHWE09120[5] An Example of a System to which an MA Remote Controller is connected1. System with one outdoor unit (automati

[ II Restrictions ] 29- 29 -HWE09120 GB(4) Wiring method1) Indoor/outdoor transmission lineDaisy-chain terminals M1 and M2 on the terminal block fo

- 30 -[ II Restrictions ]GBHWE091202. An example of a system with one outdoor unit to which 2 or more LOSSNAY units are connected (manual address se

iiiiii HWE09120 GBPrecautions for handling units for use with R410ACAUTIONDo not use the existing refrigerant piping.A large amount of chlorine that

[ II Restrictions ] 31- 31 -HWE09120 GB(4) Wiring method1) Indoor/outdoor transmission lineSame as [5] 1.Shielded cable connectionSame as [5] 1.2)

- 32 -[ II Restrictions ]GBHWE091203. Group operation of units in a system with multiple outdoor units(1) Sample control wiring(2) Cautions1) ME r

[ II Restrictions ] 33- 33 -HWE09120 GB(4) Wiring method1) Indoor/outdoor transmission lineSame as [5] 1.Only use shielded cables.Shielded cable c

- 34 -[ II Restrictions ]GBHWE091204. A system in which a system controller is connected to the transmission line for centralized control and which

[ II Restrictions ] 35- 35 -HWE09120 GB(4) Wiring method1) Indoor/outdoor transmission lineSame as [5] 1.Only use shielded cables.Shielded cable co

- 36 -[ II Restrictions ]GBHWE091205. An example of a system in which a system controller is connected to the indoor-outdoor transmission line (exce

[ II Restrictions ] 37- 37 -HWE09120 GB(4) Wiring method1) Indoor/outdoor transmission lineDaisy-chain terminals M1 and M2 on the terminal block fo

- 38 -[ II Restrictions ]GBHWE09120[6] An Example of a System to which an ME Remote Controller is connected(1) Sample control wiring(2) Cautions1)

[ II Restrictions ] 39- 39 -HWE09120 GB(4) Wiring method1) Indoor/outdoor transmission lineSame as [5] 1.Shielded cable connectionSame as [5] 1.2)

- 40 -[ II Restrictions ]GBHWE09120[7] An Example of a System to which both MA Remote Controller and ME Remote Controller are connected(1) Sample con

ivHWE09120 GBBefore installing the unitWARNINGDo not install the unit where a gas leak may occur.If gaseous refrigerant leaks and piles up around the

[ II Restrictions ] 41- 41 -HWE09120 GB(4) Wiring method1) Indoor/outdoor transmission lineSame as [5] 3.Shielded cable connectionSame as [5] 1.2)

[ II Restrictions ]- 42 -HWE09120 GB[8] Restrictions on Pipe Length(1) End branchingP72 - P144 modelsUnit: m [ft]Operation Pipe sectionsAllowable len

[ II Restrictions ] - 43 -HWE09120 GBP168 - P360 modelsThe figure shows a system with three outdoor units. (P312-P360 models)Unit: m [ft]Operation Pi

[ II Restrictions ]- 44 -HWE09120 GB1. Refrigerant pipe size(1) Diameter of the refrigerant pipe between the outdoor unit and the first branch (outdo

[ II Restrictions ] - 45 -HWE09120 GB(4) Size of the refrigerant pipe between the first distributor and the second distributor(5) Size of the refri

- 46 -[ II Restrictions ]GBHWE09120

- 47 -HWE09120 GBIII Outdoor Unit Components[1] Outdoor Unit Components and Refrigerant Circuit ...

- 48 -

[ III Outdoor Unit Components ] - 49 -HWE09120 GBIII Outdoor Unit Components[1] Outdoor Unit Components and Refrigerant Circuit1. Front view of a ou

[ III Outdoor Unit Components ]- 50 -HWE09120 GB(2) PUHY-P120, P144TJMU-APUHY-P120, P144YJMU-AFanControl Control BoxBoxControl boxFan guardFin guardF

vv HWE09120 GBBefore installing the unit (moving and reinstalling the unit) and performing electrical workCAUTIONProperly ground the unit.Do not conne

[ III Outdoor Unit Components ] - 51 -HWE09120 GB2. Refrigerant circuit(1) PUHY-P72TJMU-APUHY-P72YJMU-A(2) PUHY-P96TJMU-APUHY-P96YJMU-AHigh-pressure

[ III Outdoor Unit Components ]- 52 -HWE09120 GB(3) PUHY-P120, P144TJMU-APUHY-P120, P144YJMU-AThe YJMU model has a transformer box.High-pressure sens

[ III Outdoor Unit Components ] - 53 -HWE09120 GB[2] Control Box of the Outdoor Unit1. PUHY-P72, P96TJMU-A1) Exercise caution not to damage the bot

[ III Outdoor Unit Components ]- 54 -HWE09120 GB2. PUHY-P96, P120, P144TJMU-A3. PUHY-P72, P96, P120, P144YJMU-A1) Exercise caution not to damage

[ III Outdoor Unit Components ] - 55 -HWE09120 GB4. Transformer Box (PUHY-P72, P96, P120, P144YJMU-A)Transformer(T03)Transformer(T02)

[ III Outdoor Unit Components ]- 56 -HWE09120 GB[3] Outdoor Unit Circuit Board1. Outdoor unit control boardCN332 Output 18VDC GND (Fan boar

[ III Outdoor Unit Components ] - 57 -HWE09120 GB2. M-NET board Power supply output for centralized control system (30VDC)

[ III Outdoor Unit Components ]- 58 -HWE09120 GB3. INV board(1) PUHY-P72TJMU-AFaston terminals have a locking function. Make sure the cable heads are

[ III Outdoor Unit Components ] - 59 -HWE09120 GB(2) PUHY-P96, P120, P144TJMU-AFaston terminals have a locking function. Make sure the cable heads a

[ III Outdoor Unit Components ]- 60 -HWE09120 GB(3) PUHY-P72, P96, P120, P144YJMU-A1) Before inspecting the inside of the control box, turn off th

viHWE09120 GBBefore the test runCAUTIONTurn on the unit at least 12 hours before the test run.Keep the unit turned on throughout the season. If the un

[ III Outdoor Unit Components ] - 61 -HWE09120 GB4. Fan board(1) PUHY-P72, P96, P120, P144TJMU-ACNVDC Bus voltage input  N  P F01 Fuse 250VAC 15A LED

[ III Outdoor Unit Components ]- 62 -HWE09120 GB(2) PUHY-P72, P96, P120, P144YJMU-ACNVDCBus voltage input N PCNINVInverter output W V

[ III Outdoor Unit Components ] - 63 -HWE09120 GB5. Noise Filter(1) PUHY-P72TJMU-A GroundingTB21Input/output（L1）CN02Output L1 L2TB22Input/output（L2）T

[ III Outdoor Unit Components ]- 64 -HWE09120 GB(2) PUHY-P96, P120, P144TJMU-A GroundingF3 Fuse 250VAC 6.3A R1,2 Rush current protection resistor TB

[ III Outdoor Unit Components ] - 65 -HWE09120 GB(3) PUHY-P72, P96, P120, P144YJMU-ACN4Output(Rectified L2-L3 current) P NCN5Output(Rectified

- 66 -[ III Outdoor Unit Components ]GBHWE09120

- 67 -HWE09120 GBIV Remote Controller[1] Functions and Specifications of MA and ME Remote Controllers ... 69[2] Group

- 68 -

[ IV Remote Controller ] - 69 -HWE09120 GBIV Remote Controller[1] Functions and Specifications of MA and ME Remote ControllersThere are two types of

[ IV Remote Controller ]- 70 -HWE09120 GB[2] Group Settings and Interlock Settings via the ME Remote Controller1. Group settings/interlock settings&

CONTENTSHWE09120 GBI Read Before Servicing[1] Read Before Servicing...

[ IV Remote Controller ] - 71 -HWE09120 GB<Entry found><No entries found>(C) To return to the normal displayWhen all the group settings a

[ IV Remote Controller ]- 72 -HWE09120 GB2. Remote controller function selection via the ME remote controller(A) To delete group settings(B) To dele

[ IV Remote Controller ] - 73 -HWE09120 GB1Hr.NOT AVAILABLEVENTILATIONSTAND BY DEFROSTTIMERCHECK[Operation Procedures]1. Press the [ON/OFF] button o

[ IV Remote Controller ]- 74 -HWE09120 GB[3] Interlock Settings via the MA Remote Controller1. LOSSNAY interlock setting (Make this setting only whe

[ IV Remote Controller ] - 75 -HWE09120 GB[4] Using the built-in Temperature Sensor on the Remote Controller1. Selecting the position of temperature

- 76 -[ IV Remote Controller ]GBHWE09120

- 77 -HWE09120 GBV Electrical Wiring Diagram[1] Electrical Wiring Diagram of the Outdoor Unit ...

- 78 -

[ V Electrical Wiring Diagram ] - 79 -HWE09120 GBV Electrical Wiring Diagram[1] Electrical Wiring Diagram of the Outdoor Unit1. Electrical wiring di

[ V Electrical Wiring Diagram ]- 80 -HWE09120 GB(2) PUHY-P96TJMU-ALED1:Normal operation(Lit)/Error(Blink)LED4:CPU inoperationON CN5Vyellow31OFFSW161F

HWE09120 GB

[ V Electrical Wiring Diagram ] - 81 -HWE09120 GB(3) PUHY-P120, P144TJMU-AContactorBoxCNVDC52F Fan motor 2(Heat exchanger) Fan motor 1(Heat exchang

[ V Electrical Wiring Diagram ]- 82 -HWE09120 GB(4) PUHY-P72, P96YJMU-A+-++++21+++++Transformer Box*1.Single-dotted lines indicate wiring not supplie

[ V Electrical Wiring Diagram ] - 83 -HWE09120 GB(5) PUHY-P120, P144YJMU-A+-++++21+++++ContactorBoxWVCN111black2875redwhite8 M3~U2CN1252FTSRblackwhit

[ V Electrical Wiring Diagram ]- 84 -HWE09120 GB[2] Electrical Wiring Diagram of Transmission BoosterAC208V/230VLRedRed RedWhiteGreen250V 2AGroundin

- 85 -HWE09120 GBVI Refrigerant Circuit[1] Refrigerant Circuit Diagram ...

- 86 -

[ VI Refrigerant Circuit ] - 87 -HWE09120 GBVI Refrigerant Ci rcuit[1] Refrigerant Circuit Diagram1. Outdoor unit(1) PUHY-P72, P96 models(2) PUHY-P1

[ VI Refrigerant Circuit ]- 88 -HWE09120 GB[2] Principal Parts and Functions1. Outdoor unitPart nameSymbols (functions)Notes Usage Specifications Che

[ VI Refrigerant Circuit ] - 89 -HWE09120 GBThermis-torTH4(Discharge)1) Detects discharge air temper-ature2) Provides high-pressure pro-tectionDe

[ VI Refrigerant Circuit ]- 90 -HWE09120 GBLinear expan-sion valveLEV1(SC control)Adjusts the amount of bypass flow from the liquid pipe on the outdo