Mitsubishi Electric PUHY-RP350YJM-A Manual de instalación

Service HandbookService HandbookService HandbookPUHY-RP200, RP250, RP300, RP350YJM-BPUHY-RP400, RP450, RP500, RP550, RP600, RP650YSJM-BPUHY-RP700, RP7

- 1 -HWE10130 GBI Read Before Servicing[1] Read Before Servicing...

[ VII Control ] - 91 -HWE10130 GB1) Unless otherwise specified, leave the switch to OFF where indicated by "-," which may be set to OFF f

[ VII Control ]- 92 -HWE10130 GB2. Function of the switch (Indoor unit)(1) Dipswitches1) SW1,32) SW2SW3-1OFFOFFOFFONONONOFFONOFFONOFFONOFFONVery

[ VII Control ] - 93 -HWE10130 GB(2) Address switchActual indoor unit address setting varies in different systems. Refer to the installation manual f

[ VII Control ]- 94 -HWE10130 GB(2) ME remote controller (PAR-F27MEA)Set the address of the remote controller with the rotary switch.To set addresse

[ VII Control ] - 95 -HWE10130 GB[2] Controlling the Outdoor Unit-1- Outline of Control MethodThe outdoor units are designated as OC, OS1 and OS2 in

[ VII Control ]- 96 -HWE10130 GB-5- Bypass ControlBypass solenoid valves (SV1(a,b)), which bypass the high- and low- pressure sides, perform the foll

[ VII Control ] - 97 -HWE10130 GB-6- Compressor Frequency Control Depending on the capacity required, the frequency of the compressor is controlled

[ VII Control ]- 98 -HWE10130 GB-9- Controlling the plate heat exchanger 2 (Solenoid valve (SV3))(Opens when ON)The valve positions in different mod

[ VII Control ] - 99 -HWE10130 GB(3) Stopping the defrost operation1) When SW3-4 is set to OFFThe defrost cycle ends when 12 minutes have passed s

[ VII Control ]- 100 -HWE10130 GB30 minutes have passed since the completion of previous refrigerant recovery.When the unit keeps running for 3 min

- 2 -

[ VII Control ] - 101 -HWE10130 GB(2) RP400, RP450, RP500, RP550, RP600, RP650 models*1 Qj:Total capacity (model name) codeRefer to VII [1] 2. (1)

[ VII Control ]- 102 -HWE10130 GB(3) RP700, RP750, RP800, RP850, RP900 models*1 Qj:Total capacity (model name) codeRefer to VII [1] 2. (1) Dipswit

[ VII Control ] - 103 -HWE10130 GB-16- Emergency Operation Mode1. Problems with the outdoor unitEmergency operation mode is a temporary operation mo

[ VII Control ]- 104 -HWE10130 GB(2) Ending the emergency operation1) End conditionsWhen one of the following conditions is met, emergency operati

[ VII Control ] - 105 -HWE10130 GBEmergency operation pattern (2 outdoor units)Emergency operation pattern (3 outdoor units)(3) Ending the emergency

[ VII Control ]- 106 -HWE10130 GB-18- DEMAND ControlCooling/heating operation can be prohibited (Thermo-OFF) by an external input to the indoor units

[ VII Control ] - 107 -HWE10130 GB[3] Operation Flow Chart1. Mode determination flowchart (1) Indoor unit (cooling, heating, dry, fan mode)*Note 1.

[ VII Control ]- 108 -HWE10130 GB(2) Outdoor unit (cooling and heating modes)*Note 1. For about 3 minutes after power on, search for the indoor unit

[ VII Control ] - 109 -HWE10130 GB2. Operations in each mode(1) Cooling operation*Note 1. The indoor fan operates at the set notch under cooling mod

[ VII Control ]- 110 -HWE10130 GB(2) Heating operation1) When outdoor unit starts defrosting, it transmits defrost operations command to indoor uni

[ I Read Before Servicing ] - 3 -HWE10130 GBI Read Before Servicing[1] Read Before Servicing1. Check the type of refrigerant used in the system to b

[ VII Control ] - 111 -HWE10130 GB(3) Dry operationDry operation *Note 1 *Note 2 YES YES NO NO 4-way valve OFF 1. Outdoor unit (compressor) inte

- 112 -[ VII Control ]GBHWE10130

- 113 -HWE10130 GBVIII Test Run Mode[1] Items to be checked before a Test Run...

- 114 -

[ VIII Test Run Mode ] - 115 -HWE10130 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 ]- 116 -HWE10130 GB[2] Test Run MethodThe figure shows an MA remote controller (PAR-21MAA). PAR-21MAAON/OFF FILTERCHECKOPERATION

[ VIII Test Run Mode ] - 117 -HWE10130 GB[3] Operating Characteristic and Refrigerant AmountIt is important to have a clear understanding of the char

[ VIII Test Run Mode ]- 118 -HWE10130 GB3. Amount of refrigerant to be addedThe amount of refrigerant that is shown in the table below is factory-ch

[ VIII Test Run Mode ] - 119 -HWE10130 GB(2) Example: PUHY-P500YSHM-A(3) Sample calculation[3/4"][98 ft] [3/4"] [32 ft] [1/2"][32 ft

[ VIII Test Run Mode ]- 120 -HWE10130 GB[5] Refrigerant Amount Adjust Mode1. Procedures Follow the procedures below to adjust refrigerant charge as n

[ I Read Before Servicing ]- 4 -HWE10130 GB[2] Necessary Tools and MaterialsPrepare the following tools and materials necessary for installing and se

[ VIII Test Run Mode ] - 121 -HWE10130 GBSet SW4-3 to ON to start the refrigerant charge adjustment mode.Connect a refrigerant cylinder, and open its

[ VIII Test Run Mode ]- 122 -HWE10130 GB[6] The following symptoms are normal.SymptomsRemote controller displayCauseThe indoor unit does not start af

[ VIII Test Run Mode ] - 123 -HWE10130 GB[7] Standard Operation Data (Reference Data)1. Single unit(1) Cooling operationOperationOutdoor unit modelPU

[ VIII Test Run Mode ]- 124 -HWE10130 GBOperationOutdoor unit modelPUHY-RP300YJM-B PUHY-RP350YJM-BOperating conditionsAmbient tempera-tureIndoorDB/WB

[ VIII Test Run Mode ] - 125 -HWE10130 GB(2) Heating operationOperationOutdoor unit modelPUHY-RP200YJM-B PUHY-RP250YJM-BOperating conditionsAmbient t

[ VIII Test Run Mode ]- 126 -HWE10130 GBOperationOutdoor unit modelPUHY-RP300YJM-B PUHY-RP350YJM-BOperating conditionsAmbient tempera-tureIndoorDB/WB

[ VIII Test Run Mode ] - 127 -HWE10130 GB2. 2-unit combination(1) Cooling operationOperationOutdoor unit modelPUHY-RP400YSJM-BPUHY-RP200YJM-B PUHY-RP

[ VIII Test Run Mode ]- 128 -HWE10130 GBOperationOutdoor unit modelPUHY-RP450YSJM-BPUHY-RP250YJM-B PUHY-RP200YJM-BOperating conditionsAmbient tempera

[ VIII Test Run Mode ] - 129 -HWE10130 GBOperationOutdoor unit modelPUHY-RP500YSJM-BPUHY-RP250YJM-B PUHY-RP250YJM-BOperating conditionsAmbient temper

[ VIII Test Run Mode ]- 130 -HWE10130 GBOperationOutdoor unit modelPUHY-RP550YSJM-BPUHY-RP300YJM-B PUHY-RP250YJM-BOperating conditionsAmbient tempera

[ I Read Before Servicing ] - 5 -HWE10130 GB[3] Storage of Piping1. Storage locationStore the piping materials indoors until they are ready to be ins

[ VIII Test Run Mode ] - 131 -HWE10130 GBOperationOutdoor unit modelPUHY-RP600YSJM-BPUHY-RP300YJM-B PUHY-RP300YJM-BOperating conditionsAmbient temper

[ VIII Test Run Mode ]- 132 -HWE10130 GBOperationOutdoor unit modelPUHY-RP650YSJM-BPUHY-RP350YJM-B PUHY-RP300YJM-BOperating conditionsAmbient tempera

[ VIII Test Run Mode ] - 133 -HWE10130 GB(2) Heating operationOperationOutdoor unit modelPUHY-RP400YSJM-BPUHY-RP200YJM-B PUHY-RP200YJM-BOperating con

[ VIII Test Run Mode ]- 134 -HWE10130 GBOperationOutdoor unit modelPUHY-RP450YSJM-BPUHY-RP250YJM-B PUHY-RP200YJM-BOperating conditionsAmbient tempera

[ VIII Test Run Mode ] - 135 -HWE10130 GBOperationOutdoor unit modelPUHY-RP500YSJM-BPUHY-RP250YJM-B PUHY-RP250YJM-BOperating conditionsAmbient temper

[ VIII Test Run Mode ]- 136 -HWE10130 GBOperationOutdoor unit modelPUHY-RP550YSJM-BPUHY-RP300YJM-B PUHY-RP250YJM-BOperating conditionsAmbient tempera

[ VIII Test Run Mode ] - 137 -HWE10130 GBOperationOutdoor unit modelPUHY-RP600YSJM-BPUHY-RP300YJM-B PUHY-RP300YJM-BOperating conditionsAmbient temper

[ VIII Test Run Mode ]- 138 -HWE10130 GBOperationOutdoor unit modelPUHY-RP650YSJM-BPUHY-RP350YJM-B PUHY-RP300YJM-BOperating conditionsAmbient tempera

[ VIII Test Run Mode ] - 139 -HWE10130 GB3. 3-unit combination(1) Cooling operationOperationOutdoor unit modelPUHY-RP700YSJM-BPUHY-RP250YJM-BPUHY-RP2

[ VIII Test Run Mode ]- 140 -HWE10130 GBOperationOutdoor unit modelPUHY-RP750YSJM-BPUHY-RP250YJM-BPUHY-RP250YJM-BPUHY-RP250YJM-BOperating conditionsA

[ I Read Before Servicing ]- 6 -HWE10130 GB[5] BrazingNo changes have been made in the brazing procedures. Perform brazing with special care to keep

[ VIII Test Run Mode ] - 141 -HWE10130 GBOperationOutdoor unit modelPUHY-RP800YSJM-BPUHY-RP300YJM-BPUHY-RP250YJM-BPUHY-RP250YJM-BOperating conditions

[ VIII Test Run Mode ]- 142 -HWE10130 GBOperationOutdoor unit modelPUHY-RP850YSJM-BPUHY-RP300YJM-BPUHY-RP300YJM-BPUHY-RP250YJM-BOperating conditionsA

[ VIII Test Run Mode ] - 143 -HWE10130 GBOperationOutdoor unit modelPUHY-RP900YSJM-BPUHY-RP300YJM-BPUHY-RP300YJM-BPUHY-RP300YJM-BOperating conditions

[ VIII Test Run Mode ]- 144 -HWE10130 GB(2) Heating operationOperationOutdoor unit modelPUHY-RP700YSJM-BPUHY-RP250YJM-BPUHY-RP250YJM-BPUHY-RP200YJM-B

[ VIII Test Run Mode ] - 145 -HWE10130 GBOperationOutdoor unit modelPUHY-RP750YSJM-BPUHY-RP250YJM-BPUHY-RP250YJM-BPUHY-RP250YJM-BOperating conditions

[ VIII Test Run Mode ]- 146 -HWE10130 GBOperationOutdoor unit modelPUHY-RP800YSJM-BPUHY-RP300YJM-BPUHY-RP250YJM-BPUHY-RP250YJM-BOperating conditionsA

[ VIII Test Run Mode ] - 147 -HWE10130 GBOperationOutdoor unit modelPUHY-RP850YSJM-BPUHY-RP300YJM-BPUHY-RP300YJM-BPUHY-RP250YJM-BOperating conditions

[ VIII Test Run Mode ]- 148 -HWE10130 GBOperationOutdoor unit modelPUHY-RP900YSJM-BPUHY-RP300YJM-BPUHY-RP300YJM-BPUHY-RP300YJM-BOperating conditionsA

- 149 -HWE10130 GBIX Troubleshooting[1] Error Code Lists...

- 150 -

[ I Read Before Servicing ] - 7 -HWE10130 GB[6] Air Tightness TestNo changes have been made in the detection method. Note that a refrigerant leak det

[ IX Troubleshooting ] - 151 -HWE10130 GBIX Troubleshooting[1] Error Code ListsError CodePrelimi-nary error codeError (prelim-inary) detail codeError

[ IX Troubleshooting ]- 152 -HWE10130 GB5102 1217 -Temperature sensor faultIndoor unit pipe tempera-ture (TH22)OOA processing unit pipe temperature (

[ IX Troubleshooting ] - 153 -HWE10130 GBThe last digit in the check error codes in the 4000's and 5000's and two-digit detail codes indica

[ IX Troubleshooting ]- 154 -HWE10130 GB[2] Responding to Error Display on the Remote Controller1. Error CodeSerial communication error2. Error defin

[ IX Troubleshooting ] - 155 -HWE10130 GB1. Error CodeDischarge temperature fault 2. Error definition and error detection method1) If the discharge

[ IX Troubleshooting ]- 156 -HWE10130 GB1. Error CodeLow pressure fault 2. Error definition and error detection methodWhen starting the compressor fr

[ IX Troubleshooting ] - 157 -HWE10130 GB1. Error CodeHigh pressure/intermediate pressure fault 1 (outdoor unit)2. Error definition and error detecti

[ IX Troubleshooting ]- 158 -HWE10130 GB1. Error CodeHigh pressure fault 2 (Outdoor unit)2. Error definition and error detection methodIf the pressur

[ IX Troubleshooting ] - 159 -HWE10130 GB1. Error CodeDrain sensor submergence (Models with a drain sensor)2. Error definition and error detection me

[ IX Troubleshooting ]- 160 -HWE10130 GB1. Error CodeDrain sensor submergence (Models with a float switch)2. Error definition and error detection met

[ I Read Before Servicing ]- 8 -HWE10130 GB[7] Vacuum Drying (Evacuation)1. Vacuum pump with a reverse-flow check valve (Photo1)To prevent the vacuu

[ IX Troubleshooting ] - 161 -HWE10130 GB1. Error CodeDrain pump fault (Models with a drain sensor)2. Error definition and error detection method1)

[ IX Troubleshooting ]- 162 -HWE10130 GB1. Error CodeDrain pump fault (Models with a float switch)2. Error definition and error detection method1)

[ IX Troubleshooting ] - 163 -HWE10130 GB1. Error CodeDrain sensor (Thd) fault2. Error definition and error detection methodIf the open or short cir

[ IX Troubleshooting ]- 164 -HWE10130 GB1. Error CodeWater leakage from humidifier2. Error definition and error detection method1) If the float swi

[ IX Troubleshooting ] - 165 -HWE10130 GB1. Error CodeWater supply cutoff2. Cause, check method and remedy2601Cause Check method and remedy(1) The

[ IX Troubleshooting ]- 166 -HWE10130 GB1. Error CodeOpen phase2. Error definition and error detection methodAn open phase of the power supply (L1 p

[ IX Troubleshooting ] - 167 -HWE10130 GB1. Error Code<Transmission power supply fault Error detail code FF (Outdoor unit)>2. Error definition

[ IX Troubleshooting ]- 168 -HWE10130 GB1. Error CodePower supply signal sync error2. Error definition and error detection methodThe frequency cannot

[ IX Troubleshooting ] - 169 -HWE10130 GB1. Error CodeAbnormal bus voltage drop (Detail code 108)2. Error definition and error detection methodIf Vdc

[ IX Troubleshooting ]- 170 -HWE10130 GB1. Error CodeAbnormal bus voltage rise (Detail code 109)2. Error definition and error detection methodIf Vdc

[ I Read Before Servicing ] - 9 -HWE10130 GB[8] Refrigerant Charging1. ReasonsR410A is a pseudo-azeotropic HFC blend (boiling point R32=-52°C[-62°F],

[ IX Troubleshooting ] - 171 -HWE10130 GB1. Error CodeLogic error (Detail code 111)2. Error definition and error detection methodH/W errorIf only the

[ IX Troubleshooting ]- 172 -HWE10130 GB1. Error CodeLow bus voltage at startup (Detail code 131)2. Error definition and error detection methodWhen V

[ IX Troubleshooting ] - 173 -HWE10130 GB1. Error CodeOverload protection2. Error definition and error detection methodIf the output current of &quo

[ IX Troubleshooting ]- 174 -HWE10130 GB1. Error CodeACCT overcurrent relay trip (Detail code 102)DCCT overcurrent relay trip (Detail code 103) Overc

[ IX Troubleshooting ] - 175 -HWE10130 GB1. Error CodeOvercurrent error due to short-circuited motor (Detail code 105)2. Error definition and error d

[ IX Troubleshooting ]- 176 -HWE10130 GB1. Error CodeReturn air temperature sensor (TH21) fault (Indoor unit)Return air temperature sensor (TH4) faul

[ IX Troubleshooting ] - 177 -HWE10130 GB1. Error CodeHIC bypass circuit outlet temperature sensor (TH2) fault (Outdoor unit)Heat exchanger outlet te

[ IX Troubleshooting ]- 178 -HWE10130 GB1. Error CodeHeatsink temperature sensor (THHS) fault (Detail code 01)2. Error definition and error detection

[ IX Troubleshooting ] - 179 -HWE10130 GB1. Error CodeACCT sensor fault (Detail code 115)2. Error definition and error detection methodWhen the formu

[ IX Troubleshooting ]- 180 -HWE10130 GB1. Error CodeACCT sensor circuit fault (Detail code 117)2. Error definition and error detection methodWhen an

[ I Read Before Servicing ]- 10 -HWE10130 GB[10] Characteristics of the Conventional and the New Refrigerants1. Chemical propertyAs with R22, the new

[ IX Troubleshooting ] - 181 -HWE10130 GB1. Error CodeDCCT sensor circuit fault (Detail code118)2. Error definition and error detection methodWhen an

[ IX Troubleshooting ]- 182 -HWE10130 GB1. Error CodeOpen-circuited IPM/Loose ACCT connector (Detail code 119)2. Error definition and error detection

[ IX Troubleshooting ] - 183 -HWE10130 GB1. Error CodeLoose float switch connector2. Error definition and error detection methodDetection of the disc

[ IX Troubleshooting ]- 184 -HWE10130 GB1. Error CodeIndoor unit cleaning operation error2. Error definition and error detection methodThis error is

[ IX Troubleshooting ] - 185 -HWE10130 GB1. Error CodePolarity setting error2. Error definition and error detection methodThe error detected when tra

[ IX Troubleshooting ]- 186 -HWE10130 GB1. Error CodeTransmission processor hardware error2. Error definition and error detection methodAlthough &quo

[ IX Troubleshooting ] - 187 -HWE10130 GB1. Error CodeTransmission line bus busy error 2. Error definition and error detection methodGenerated error

[ IX Troubleshooting ]- 188 -HWE10130 GB1. Error CodeNo ACK error 2. Error definition and error detection methodThe error is detected when no acknowl

[ IX Troubleshooting ] - 189 -HWE10130 GB1. Error CodeNo ACK error 2. Error definition and error detection methodThe error is detected when no acknow

[ IX Troubleshooting ]- 190 -HWE10130 GB1. Error CodeNo ACK error 2. Error definition and error detection methodThe error is detected when no acknowl

ii HWE10130 GBSafety PrecautionsBefore installing the unit, thoroughly read the following safety precautions.Observe these safety precautions for yo

[ I Read Before Servicing ] - 11 -HWE10130 GB[11] Notes on Refrigerating Machine Oil1. Refrigerating machine oil in the HFC refrigerant systemHFC ty

[ IX Troubleshooting ] - 191 -HWE10130 GB1. Error CodeNo ACK error 2. Error definition and error detection methodThe error is detected when no acknow

[ IX Troubleshooting ]- 192 -HWE10130 GB1. Error CodeNo ACK error 2. Error definition and error detection methodThe error is detected when no acknowl

[ IX Troubleshooting ] - 193 -HWE10130 GB1. Error CodeNo ACK error 2. Error definition and error detection methodThe error is detected when no acknow

[ IX Troubleshooting ]- 194 -HWE10130 GB1. Error CodeNo ACK error 2. Error definition and error detection methodThe error is detected when no acknowl

[ IX Troubleshooting ] - 195 -HWE10130 GB1. Error CodeNo ACK error 2. Error definition and error detection methodThe error is detected when no acknow

[ IX Troubleshooting ]- 196 -HWE10130 GB1. Error CodeNo response error 2. Error definition and error detection methodWhen no response command is ret

[ IX Troubleshooting ] - 197 -HWE10130 GB1. Error CodeMA controller signal reception error (No signal reception)2. Error definition and error detecti

[ IX Troubleshooting ]- 198 -HWE10130 GB1. Error CodeMA remote controller signal transmission error (Synchronization error)2. Error definition and er

[ IX Troubleshooting ] - 199 -HWE10130 GB1. Error CodeMA remote controller signal transmission error (Hardware error)2. Error definition and error de

[ IX Troubleshooting ]- 200 -HWE10130 GB1. Error CodeMA controller signal reception error (Start bit detection error)2. Error definition and error de

- 12 -[ I Read Before Servicing ]GBHWE10130

[ IX Troubleshooting ] - 201 -HWE10130 GB1. Error CodeTotal capacity error2. Error definition and error detection methodThe model total of indoor uni

[ IX Troubleshooting ]- 202 -HWE10130 GB1. Error CodeCapacity code setting error2. Error definition and error detection method Connection of incompat

[ IX Troubleshooting ] - 203 -HWE10130 GB1. Error CodeWrong number of connected units2. Error definition and error detection method The number of con

[ IX Troubleshooting ]- 204 -HWE10130 GB1. Error CodeAddress setting error2. Error definition and error detection methodErroneous setting of OC unit

[ IX Troubleshooting ] - 205 -HWE10130 GB1. Error CodeConnection information signal transmission/reception error2. Error definition and error detecti

[ IX Troubleshooting ]- 206 -HWE10130 GB1. Error CodeFunction setting error 2. Error source, cause, check method and remedy1. Error CodeREPLACE unit

[ IX Troubleshooting ] - 207 -HWE10130 GB1. Error CodeIncompatible unit combination 2. Error definition and error detection methodThe check code will

[ IX Troubleshooting ]- 208 -HWE10130 GB-1- Troubleshooting according to the remote controller malfunction or the external input errorIn the case of

[ IX Troubleshooting ] - 209 -HWE10130 GBIn the case of MA remote controller2. PhenomenaWhen the remote controller operation SW is turned on, the ope

[ IX Troubleshooting ]- 210 -HWE10130 GBIn the case of MA remote controller3. Phenomena"HO" or "PLEASE WAIT" display on the remot

- 13 -HWE10130 GBII Restrictions[1] System configuration ...

[ IX Troubleshooting ] - 211 -HWE10130 GBFlow chartEven if the operation button on the remote controller is pressed, the indoor and the outdoor units

[ IX Troubleshooting ]- 212 -HWE10130 GBIn case of ME remote controller1. PhenomenaEven if the operation button on the remote controller is pressed,

[ IX Troubleshooting ] - 213 -HWE10130 GBIn case of ME remote controller2. PhenomenaWhen the remote controller operation SW is turned on, a temporary

[ IX Troubleshooting ]- 214 -HWE10130 GBIn case of ME remote controller3. Phenomena"HO" display on the remote controller does not disappear

[ IX Troubleshooting ] - 215 -HWE10130 GBIn case of ME remote controller4. Phenomena"88" appears on the remote controller when the address

[ IX Troubleshooting ]- 216 -HWE10130 GBBoth for MA remote controller and ME remote controller1. PhenomenaAlthough cooling operation starts with the

[ IX Troubleshooting ] - 217 -HWE10130 GBCause Check method and remedy4. Long piping lengthThe cooling capacity varies greatly depending on the press

[ IX Troubleshooting ]- 218 -HWE10130 GB2. PhenomenaAlthough heating operation starts with the normal remote controller display, the capacity is not

[ IX Troubleshooting ] - 219 -HWE10130 GBCause Check method and remedy2. Indoor unit LEV malfunctionInsufficient refrigerant flows due to LEV malfunc

[ IX Troubleshooting ]- 220 -HWE10130 GB3. PhenomenaOutdoor unit stops at times during operation.(1) Cause, check method and remedyCause Check metho

- 14 -

[ IX Troubleshooting ] - 221 -HWE10130 GB[3] Investigation of Transmission Wave Shape/Noise1. M-NET transmissionControl is performed by exchanging si

[ IX Troubleshooting ]- 222 -HWE10130 GB(3) Check method and remedy1) Measures against noiseCheck the followings when noise exists on the wave or

[ IX Troubleshooting ] - 223 -HWE10130 GB2. MA remote controller transmissionThe communication between the MA remote controller and the indoor unit

[ IX Troubleshooting ]- 224 -HWE10130 GB[4] Troubleshooting Principal Parts-1- High-pressure sensor (63HS1) and intermediate-pressure sensor (63HS2)1

[ IX Troubleshooting ] - 225 -HWE10130 GB-2- Low-Pressure Sensor (63LS)1. Compare the pressure that is detected by the low pressure sensor, and the

[ IX Troubleshooting ]- 226 -HWE10130 GB-3- Solenoid ValveCheck whether the output signal from the control board and the operation of the solenoid va

[ IX Troubleshooting ] - 227 -HWE10130 GB(3) SV1a and SV1b (bypass valve)This solenoid valve turns on when energized (when the relay is on).1) Thi

[ IX Troubleshooting ]- 228 -HWE10130 GB-5- LEVLEV operationLEV (Indoor unit: Linear expansion valve), SLEV, LEV1, LEV2a, and LEV2b (Outdoor unit: Li

[ IX Troubleshooting ] - 229 -HWE10130 GB(2) Outdoor LEV (SLEV, LEV1)The valve opening changes according to the number of pulses.1) Connections be

[ IX Troubleshooting ]- 230 -HWE10130 GB(3) Judgment methods and possible failure modeThe specifications of the outdoor unit (outdoor LEV) and the i

[ II Restrictions ] - 15 -HWE10130 GBII Restrictions[1] System configuration1. Table of compatible indoor unitsThe table below summarizes the types

[ IX Troubleshooting ] - 231 -HWE10130 GB(4) Outdoor unit LEV (LEV1) coil removal procedure1) LEV componentAs shown in the figure, the outdoor LEV

[ IX Troubleshooting ]- 232 -HWE10130 GB(5) Outdoor unit LEV (LEV2a,2b) coil removal procedureNotes on the procedure1) Do not put undue pressure on

[ IX Troubleshooting ] - 233 -HWE10130 GBReplacement procedure1) Stop the air conditioner. After checking that the air conditioner is stopped, turn

[ IX Troubleshooting ]- 234 -HWE10130 GB-6- InverterReplace only the compressor if only the compressor is found to be defective. Replace only the f

[ IX Troubleshooting ] - 235 -HWE10130 GBError display/failure condition Measure/inspection item[1] Inverter related errors4250, 4255, 4220, 4225, 42

[ IX Troubleshooting ]- 236 -HWE10130 GB(2) Inverter output related troublesItems to be checked Phenomena Remedy[1]Check the INV board er-ror detecti

[ IX Troubleshooting ] - 237 -HWE10130 GBItems to be checked Phenomena Remedy[3]Check whether the inverter is damaged.(No load)(1) Disconnect the inv

[ IX Troubleshooting ]- 238 -HWE10130 GB[6]Check the fan inverter board failure.(1) Check the fan output wir-ing.Connector contact failureBoard sid

[ IX Troubleshooting ] - 239 -HWE10130 GB(3) Trouble treatment when the main power breaker is tripped(4) Trouble treatment when the main power eart

[ IX Troubleshooting ]- 240 -HWE10130 GB(5) Simple checking procedure for individual components of main inverter circuitBefore inspecting the inside

[ II Restrictions ]- 16 -HWE10130 GB[2] Types and Maximum allowable Length of Cables1. Wiring work (1) Notes1) Have all electrical work performed b

[ IX Troubleshooting ] - 241 -HWE10130 GBINV board external diagramJudgment value (reference)Black ( + )SC-P1 FT-N SC-L1 SC-L2 SC-L3Red (-)SC-P1 - -

[ IX Troubleshooting ]- 242 -HWE10130 GB-7- Control Circuit(1) Control power source function blockOutdoor unit Power source system (AC 380 / 415 V)Co

[ IX Troubleshooting ] - 243 -HWE10130 GB(2) Troubleshooting transmission power circuit of outdoor unitCheck the voltage between No.1 and No.2 pins

[ IX Troubleshooting ]- 244 -HWE10130 GB[5] Refrigerant Leak1. Leak spot: In the case of extension pipe for indoor unit (Cooling season)1) Mount a

[ IX Troubleshooting ] - 245 -HWE10130 GB2) Therefore, if the power source is turned off within 30 minutes, the lev remains fully closed and the re

[ IX Troubleshooting ]- 246 -HWE10130 GB[6] Compressor Replacement Instructions Follow the procedures below (Steps 1 through 6) to remove the comp

[ IX Troubleshooting ] - 247 -HWE10130 GB Compressor cover (top) 4. Remove the compressor cover (top). 5. Remove the compressor wires, compressor

[ IX Troubleshooting ]- 248 -HWE10130 GB1. Plate heat exchanger ASSY replacement instructions* Following instructions show procedures for replacing

[ IX Troubleshooting ] - 249 -HWE10130 GB[7] Troubleshooting Using the Outdoor Unit LED Error DisplayIf the LED error display appear as follows while

- 250 -[ IX Troubleshooting ]GBHWE10130

[ II Restrictions ] - 17 -HWE10130 GB2) Remote controller wiring*1 MA remote controller refers to MA remote controller (PAR-20MAA, PAR-21MAA), MA

- 251 -HWE10130 GBX LED Monitor Display on the Outdoor Unit Board[1] How to Read the LED on the Service Monitor ...

- 252 -

[ X LED Monitor Display on the Outdoor Unit Board ] - 253 -HWE10130 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 ]- 254 -HWE10130 GB3. Time data storage functionThe outdoor unit has a simple clock function that

[ X LED Monitor Display on the Outdoor Unit Board ]- 255 -HWE10130ILED Monitor Di splay on the Outdoor Unit BoardLED monitor displayCurrent dataNo.SW

[ X LED Monitor Display on the Outdoor Unit Board ]- 256 -HWE1013011 1101000000External signal(Open input contact point)Contact point de-mandLow-nois

[ X LED Monitor Display on the Outdoor Unit Board ]- 257 -HWE1013024 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 ]- 258 -HWE1013045 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 ]- 259 -HWE1013071 111000100072 000100100073 100100100074 010100100075 110100100076 001100100077 10

[ X LED Monitor Display on the Outdoor Unit Board ]- 260 -HWE1013093 1011101000 All AK (OC+OS) 0000 to 9999 B94 0111101000 AK 0000 to 9999 A A95 1111

[ II Restrictions ]- 18 -HWE10130 GB(3) Reusability check of the existing transmission lines for Replace Multi unitsCheck the existing wires for dama

[ X LED Monitor Display on the Outdoor Unit Board ]- 261 -HWE10130117 1010111000COMP Operation timeUpper 4 digits0000 to 9999 A AThe unit is [ h ]118

[ X LED Monitor Display on the Outdoor Unit Board ]- 262 -HWE10130138 0101000100139 1101000100140 0011000100141 1011000100142 0111000100143 111100010

[ X LED Monitor Display on the Outdoor Unit Board ]- 263 -HWE10130166 0110010100 167 1110010100 168 0001010100 169 1001010100 170 0101010100 171 1101

[ X LED Monitor Display on the Outdoor Unit Board ]- 264 -HWE10130178 0100110100 Error history 1 0000 to 9999 B B Address and error codes highlighted

[ X LED Monitor Display on the Outdoor Unit Board ]- 265 -HWE10130Data before errorNo.SW1ItemDisplayUnit(A, B) *1Remarks1234567890 LD1 LD2 LD3 LD4 LD

[ X LED Monitor Display on the Outdoor Unit Board ]- 266 -HWE10130216 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 ]- 267 -HWE10130242 0100111100243 1100111100244 0010111100245 1010111100246 0110111100247 111011110

[ X LED Monitor Display on the Outdoor Unit Board ]- 268 -HWE10130267 1101000010Fan inverter output fre-quency0000 to 9999 A ATwice the actual output

[ X LED Monitor Display on the Outdoor Unit Board ]- 269 -HWE10130292 0010010010293 1010010010294 0110010010COMP number of start-stop eventsUpper 4 d

[ X LED Monitor Display on the Outdoor Unit Board ]- 270 -HWE10130Current dataNo.SW1ItemDisplayUnit(A, B)*1Remarks1234567890 LD1 LD2 LD3 LD4 LD5 LD6

[ II Restrictions ] - 19 -HWE10130 GBTable AIs the 2-core cable used?Is the 2-core cable used?Is the 2-core cable used?YESNOYESNOYESYES YESNOYESNOYES

[ X LED Monitor Display on the Outdoor Unit Board ]- 271 -HWE10130328 0001001010 329 1001001010 330 0101001010 331 1101001010 332 0011001010 333 1011

[ X LED Monitor Display on the Outdoor Unit Board ]- 272 -HWE10130Data on indoor unit systemNo.SW1ItemDisplayUnit(A, B) *1Remarks1234567890 LD1 LD2 L

[ X LED Monitor Display on the Outdoor Unit Board ]- 273 -HWE10130368 0000111010 IC18 Address/capacity code 0000 to 9999 0000 to 9999 B Displayed alt

[ X LED Monitor Display on the Outdoor Unit Board ]- 274 -HWE10130396 0011000110 IC46 Address/capacity code 0000 to 9999 0000 to 9999 B Displayed alt

[ X LED Monitor Display on the Outdoor Unit Board ]- 275 -HWE10130412 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 ]- 276 -HWE10130436 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 ]- 277 -HWE10130464 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 ]- 278 -HWE10130492 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 ]- 279 -HWE10130Setting dataNo.SW1ItemDisplayUnit(A, B)*1Remarks1234567890 LD1 LD2 LD3 LD4 LD5 LD6

[ X LED Monitor Display on the Outdoor Unit Board ]- 280 -HWE10130Data on indoor unit systemNo.SW1ItemDisplayUnit(A, B) *1Remarks1234567890 LD1 LD2 L

[ II Restrictions ]- 20 -HWE10130 GBReusability of Transmission lineIs the 2-core cable used?Is the shielded wiring used?Refer to Table A.Fix the gro

[ X LED Monitor Display on the Outdoor Unit Board ]- 281 -HWE10130Data on indoor unit systemNo.SW1ItemDisplayUnit(A, B) *1Remarks1234567890 LD1 LD2 L

[ X LED Monitor Display on the Outdoor Unit Board ]- 282 -HWE10130Data on indoor unit systemNo.SW1ItemDisplayUnit(A, B)*1Remarks1234567890 LD1 LD2 LD

[ X LED Monitor Display on the Outdoor Unit Board ]- 283 -HWE10130600 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 ]- 284 -HWE10130Data on indoor unit systemNo.SW1ItemDisplayUnit(A, B)*1Remarks1234567890 LD1 LD2 LD

[ X LED Monitor Display on the Outdoor Unit Board ]- 285 -HWE10130650 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 ]- 286 -HWE10130Setting dataNo.SW1ItemDisplayUnit(A, B)* 1Remarks1234567890 LD1 LD2 LD3 LD4 LD5 LD6

[ X LED Monitor Display on the Outdoor Unit Board ]- 287 -HWE10130688 0000110101 Current time 00:00 to 23:59 A A Hour: minute689 1000110101 Current

[ X LED Monitor Display on the Outdoor Unit Board ]- 288 -HWE10130702 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 ]- 289 -HWE10130Data on indoor unit systemNo.SW1ItemDisplayUnit(A, B)* 1Remarks1234567890 LD1 LD2 L

[ X LED Monitor Display on the Outdoor Unit Board ]- 290 -HWE10130741 1010011101 IC28 LEV opening 0000 to 9999 B Fully open: 2000742 0110011101 IC2

iiHWE10130 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 -HWE10130 GB0501001502000 5 10 15 20 25 3230Number of indoor unitsLength of transmission line to the farthest unit (m)0.75mm

[ X LED Monitor Display on the Outdoor Unit Board ]- 291 -HWE10130769 1000000011 IC6 Operation mode0000 : Stop 0001 : Ventilation 0002 : Cooling

[ X LED Monitor Display on the Outdoor Unit Board ]- 292 -HWE10130797 1011100011 IC34 Operation mode0000 : Stop 0001 : Ventilation 0002 : Cooling

[ X LED Monitor Display on the Outdoor Unit Board ]- 293 -HWE10130825 1001110011 IC12 filter 0000 to 9999 B Hours since last mainte-nance [ h ]826 0

[ X LED Monitor Display on the Outdoor Unit Board ]- 294 -HWE10130853 1010101011 IC40 filter 0000 to 9999 B Hours since last mainte-nance [ h ]854

[ X LED Monitor Display on the Outdoor Unit Board ]- 295 -HWE10130Other types of dataNo.SW1ItemDisplayUnit(A, B) *1Remarks1234567890 LD1 LD2 LD3 LD4

[ X LED Monitor Display on the Outdoor Unit Board ]- 296 -HWE10130887 1110111011 888 0001111011 889 1001111011 890 0101111011 891 1101111011 892 0011

Service HandbookService HandbookPUHY-RP250, RP300, RP350YJM-BPUHY-RP400, RP450, RP500, RP550, RP600, RP650YSJM-BPUHY-RP700, RP750, RP800, RP850, RP900

[ II Restrictions ]- 22 -HWE10130 GB[3] Switch Settings and Address Settings1. Switch settingRefer to section "[5] An Example of a System to whi

[ II Restrictions ] - 23 -HWE10130 GB2. M-NET Address settings(1) Address settings tableThe need for address settings and the range of address setti

[ II Restrictions ]- 24 -HWE10130 GB(2) Power supply switch connector connection on the outdoor unit(Factory setting: The male power supply switch c

[ II Restrictions ] - 25 -HWE10130 GB(6) Miscellaneous settingsCooling-only setting for the indoor unit: Cooling only model (Factory setting: SW3-1 &

[ II Restrictions ]- 26 -HWE10130 GBExample of wiring connection(1) CN51(2) CN3SCN51XYL1L2ecruos rewop pmaLDistant control boardRelay circuit Adapter

[ II Restrictions ] - 27 -HWE10130 GB1. Demand control(1) General outline of controlDemand control is performed by using the external signal input to

[ II Restrictions ]- 28 -HWE10130 GB3) 8-step demand control (When SW4-4 is set to ON on two outdoor units)Demand capacity is shown below.*1. The o

[ II Restrictions ] - 29 -HWE10130 GB[4] Sample System ConnectionExamples of typical system connection are shown on pages [5] to [7]. Refer to the In

- 30 -[ II Restrictions ]GBHWE10130[5] An Example of a System to which an MA Remote Controller is connected1. System with one outdoor unit (automati

iiiiii HWE10130 GBPrecautions for handling units for use with R410ACAUTIONUse refrigerant piping made of phosphorus deoxidized copper and copper alloy

[ II Restrictions ] 31- 31 -HWE10130 GB(4) Wiring method1) Indoor/outdoor transmission lineDaisy-chain terminals M1 and M2 on the terminal block fo

- 32 -[ II Restrictions ]GBHWE101302. An example of a system with one outdoor unit to which 2 or more LOSSNAY units are connected (manual address se

[ II Restrictions ] 33- 33 -HWE10130 GB(4) Wiring method1) Indoor/outdoor transmission lineSame as [5] 1.Shielded cable connectionSame as [5] 1.2)

- 34 -[ II Restrictions ]GBHWE101303. Group operation of units in a system with multiple outdoor units(1) Sample control wiring(2) Cautions1) ME r

[ II Restrictions ] 35- 35 -HWE10130 GB(4) Wiring method1) Indoor/outdoor transmission lineSame as [5] 1.Only use shielded cables.Shielded cable c

- 36 -[ II Restrictions ]GBHWE101304. A system in which a system controller is connected to the transmission line for centralized control and which

[ II Restrictions ] 37- 37 -HWE10130 GB(4) Wiring method1) Indoor/outdoor transmission lineSame as [5] 1.Only use shielded cables.Shielded cable co

- 38 -[ II Restrictions ]GBHWE101305. An example of a system in which a system controller is connected to the indoor-outdoor transmission line (exce

[ II Restrictions ] 39- 39 -HWE10130 GB(4) Wiring method1) Indoor/outdoor transmission lineDaisy-chain terminals M1 and M2 on the terminal block fo

- 40 -[ II Restrictions ]GBHWE10130[6] An Example of a System to which an ME Remote Controller is connected(1) Sample control wiring(2) Cautions1)

ivHWE10130 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 -HWE10130 GB(4) Wiring method1) Indoor/outdoor transmission lineSame as [5] 1.Shielded cable connectionSame as [5] 1.2)

- 42 -[ II Restrictions ]GBHWE10130[7] An Example of a System to which both MA Remote Controller and ME Remote Controller are connected(1) Sample con

[ II Restrictions ] 43- 43 -HWE10130 GB(4) Wiring method1) Indoor/outdoor transmission lineSame as [5] 1.Shielded cable connectionSame as [5] 1.2)

[ II Restrictions ]- 44 -HWE10130 GB[8] Restrictions on Pipe Length1. Determining the reusability of the existing pipingMitsubishi Electric Corporat

[ II Restrictions ] - 45 -HWE10130 GBCAUTIONCharge refrigerant in the liquid state.If gaseous refrigerant is drawn out of the cylinder first, the co

[ II Restrictions ]- 46 -HWE10130 GBDetermining the reusability of the existing pipingYESYESYESYESYESYESYESYESNONONONONONOYESNONONODoes the piping di

[ II Restrictions ] - 47 -HWE10130 GB2. Restrictions on pipe length(1) End branchingRP200, RP250, RP300, RP350 models1) Maximum allowable piping l

[ II Restrictions ]- 48 -HWE10130 GBRP400, RP450, RP500, RP550 models1) Maximum allowable piping length depends on the total amount of refrigerant

[ II Restrictions ] - 49 -HWE10130 GBRP600, RP650 models1) Maximum allowable piping length depends on the total amount of refrigerant in a given sy

[ II Restrictions ]- 50 -HWE10130 GBRP700, RP750, RP800, RP850, RP900 models1) Maximum allowable piping length depends on the total amount of refri

vv HWE10130 GBBefore installing the unit (moving and reinstalling the unit) and performing electrical workCAUTIONProperly ground the unit.Do not conne

[ II Restrictions ] - 51 -HWE10130 GB(2) Using a branch joint to merge the existing piping systems1) The maximum allowable piping length for the R

[ II Restrictions ]- 52 -HWE10130 GB3. Refrigerant pipe size(1) Diameter of the refrigerant pipe between the outdoor unit and the first branch (outdo

[ II Restrictions ] - 53 -HWE10130 GB(3) Size of the refrigerant pipe between the branches for connection to indoor units (4) Size of the refrigera

- 54 -[ II Restrictions ]GBHWE10130

- 55 -HWE10130 GBIII Outdoor Unit Components[1] Outdoor Unit Components and Refrigerant Circuit ...

- 56 -

[ III Outdoor Unit Components ] - 57 -HWE10130 GBIII Outdoor Unit Components[1] Outdoor Unit Components and Refrigerant Circuit1. Front view of an o

[ III Outdoor Unit Components ]- 58 -HWE10130 GB2. Refrigerant circuit(1) PUHY-RP200, RP250, RP300, RP350YJM-BCheck valve(CV1)High-pressure switch(63

[ III Outdoor Unit Components ] - 59 -HWE10130 GB[2] Control Box of the Outdoor Unit1) Exercise caution not to damage the bottom and the front pane

[ III Outdoor Unit Components ]- 60 -HWE10130 GB[3] Outdoor Unit Circuit Board1. Outdoor unit control boardCN332 Output 18VDC GND (Fan boar

viHWE10130 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 -HWE10130 GB2. M-NET board Power supply output for centralized control system Indoor/outdoor tr

[ III Outdoor Unit Components ]- 62 -HWE10130 GB3. INV board1) Before inspecting the inside of the control box, turn off the power, keep the unit o

[ III Outdoor Unit Components ] - 63 -HWE10130 GB4. Fan boardCNVDCBus voltage input N PCNINVInverter output W V UCN18V Input 18VDC

[ III Outdoor Unit Components ]- 64 -HWE10130 GB5. Noise FilterCN4Output(Rectified L2-N current) P NCN5Output(Rectified L2-N current) P N

- 65 -HWE10130 GBIV Remote Controller[1] Functions and Specifications of MA and ME Remote Controllers ...67[2] Group S

- 66 -

[ IV Remote Controller ] - 67 -HWE10130 GBIV Remote Controller[1] Functions and Specifications of MA and ME Remote ControllersThere are two types of

[ IV Remote Controller ]- 68 -HWE10130 GB[2] Group Settings and Interlock Settings via the ME Remote Controller1. Group settings/interlock settings&l

[ IV Remote Controller ] - 69 -HWE10130 GB<Entry found> <No entries found> (C) To return to the normal display When all the group setting

[ IV Remote Controller ]- 70 -HWE10130 GB2. Remote controller function selection via the ME remote controller(A) To delete group settings(B) To dele

CONTENTSHWE10130 GBI Read Before Servicing[1] Read Before Servicing...

[ IV Remote Controller ] - 71 -HWE10130 GB[Lower limit temperature]: Appears in the preset temperature display window [Upper limit temperature: Appe

[ IV Remote Controller ]- 72 -HWE10130 GB[3] Interlock Settings via the MA Remote Controller1. LOSSNAY interlock setting (Make this setting only whe

[ IV Remote Controller ] - 73 -HWE10130 GB[4] Using the built-in Temperature Sensor on the Remote Controller1. Selecting the position of temperature

- 74 -[ IV Remote Controller ]GBHWE10130

- 75 -HWE10130 GBV Electrical Wiring Diagram[1] Electrical Wiring Diagram of the Outdoor Unit ...

- 76 -

[ V Electrical Wiring Diagram ] - 77 -HWE10130 GBV Electrical Wiring Diagram[1] Electrical Wiring Diagram of the Outdoor Unit1. Electrical wiring di

[ V Electrical Wiring Diagram ]- 78 -HWE10130 GB[2] Electrical Wiring Diagram of Transmission Booster100V/200VAC Terminal block for power supply (TB1

- 79 -HWE10130 GBVI Refrigerant Circuit[1] Refrigerant Circuit Diagram ...

- 80 -

HWE10130 GB

[ VI Refrigerant Circuit ] - 81 -HWE10130 GBVI Refrigerant Circuit[1] Refrigerant Circuit Diagram1. Outdoor unit(1) PUHY-RP200 model(2) PUHY-RP250,

[ VI Refrigerant Circuit ]- 82 -HWE10130 GB[2] Principal Parts and Functions1. Outdoor unitPart nameSymbols (functions)Notes Usage Specifications Che

[ VI Refrigerant Circuit ] - 83 -HWE10130 GBThermis-torTH4(Discharge)1) Detects discharge air temper-ature2) Provides high-pressure pro-tectionDe

[ VI Refrigerant Circuit ]- 84 -HWE10130 GBSole-noid valveSV1a, SV1bDischarge-suc-tion bypass1) High/low pressure bypass at start-up and stopping,

[ VI Refrigerant Circuit ] - 85 -HWE10130 GB2. Indoor UnitPart Name Symbol (functions) Notes Usage Specification Check method Linear expan-sion valv

[ VI Refrigerant Circuit ]- 86 -HWE10130 GB

- 87 -HWE10130 GBVII Control[1] Functions and Factory Settings of the Dipswitches ...89[2] Contr

- 88 -

[ VII Control ] - 89 -HWE10130 GBVII Control[1] Functions and Factory Settings of the Dipswitches1. Outdoor unit(1) Control board1) Unless otherwis

[ VII Control ]- 90 -HWE10130 GB1) Unless otherwise specified, leave the switch to OFF where indicated by "-," which may be set to OFF fo