Page 3 - TECHNICAL CHANGES
3 PUHZ-RP35/50VHA2 1 PUHZ-RP35/50VHA3 · Muffler has been changed.· Compressor (MC) has been changed.· Controller circuit board(C.B.) and power circuit board(P.B.) have been changed. PUHZ-RP60/71VHA2 1 PUHZ-RP60/71VHA3 · Compressor (MC) and oil(type and amount) have been changed.· Refigerant circiuit...
Page 4 - REFERENCE MANUAL; Model name
4 2 REFERENCE MANUAL 2-1. INDOOR UNIT SERVICE MANUAL Model name Service Ref. Service Manual No. PLA-RP35/50/60/71AA PLA-RP35/50/60/71AA.UK OC335 PLA-RP35/50/60/71AA OC327 OC328 PLA-RP100/125/140AA2 PLA-RP100/125/140AA2.UK PCA-RP50/60/71/100/125/140GAPCA-RP50GA2 PCA-RP50/60/71/100/125/140GAPCA-RP50GA...
Page 5 - SAFETY PRECAUTION; Cautions for units utilizing refrigerant R410A; Use new refrigerant pipes.; Be sure to use a filter drier for new refrigerant.
5 3 SAFETY PRECAUTION Cautions for units utilizing refrigerant R410A 3-2. CAUTIONS RELATED TO NEW REFRIGERANT Use new refrigerant pipes. Make sure that the inside and outside of refrige-rant piping is clean and it has no contaminationsuch as sulfur hazardous for use, oxides, dirt, shaving particles,...
Page 6 - Tool name; [4] Refrigerant leakage detection function
6 Gravimeter Unit [3] Service tools Use the below service tools as exclusive tools for R410A refrigerant. No. Tool name Specifications 1 Gauge manifold ·Only for R410A ·Use the existing fitting specifications. (UNF1/2) ·Use high-tension side pressure of 5.3MPa·G or over. 2 Charge hose ·Only for R410...
Page 7 - -3. PRECAUTIONS WHEN REUSING EXISTING R22 REFRIGERANT PIPES; Connecting a new air conditioner; In case existing pipes were used
7 3-3. PRECAUTIONS WHEN REUSING EXISTING R22 REFRIGERANT PIPES (1) Flowchart Connecting a new air conditioner 1 Flaring work should be done so that flare meets the dimension for R410A. Use flare nut provided with indoor and outdoor unit. 2 When using gas piping of [ 19.05mm for RP100, 125 or 140. Ma...
Page 9 - FEATURES; REFRIGERANT LEAKAGE DETECTION FUNCTION
9 4 FEATURES CHARGELESS SYSTEMPRE-CHARGED REFRIGERANT IS SUPPLIED FOR PIPING LENGTH AT SHIPMENT.Max.30m(PUHZ-RP35/50/60/71/100/125/140) The refrigerant circuit with LEV(Linear Expansion Valve) and power receiver always control the optimal refrigerantlevel regardless of the length (30m max. and 5m mi...
Page 10 - SPECIFICATIONS; OUTDOOR UNIT
10 5 SPECIFICATIONS AA kW W kW K /min(CFM) dBdB mm(in.)mm(in.)mm(in.) kg(lbs) kg(lbs) L mm(in.)mm(in.) Power supply (phase, cycle, voltage) Running currentMax. current External finishRefrigerant controlCompressor ModelMotor outputStarter typeProtection devices Crankcase heaterHeat exchangerFan Fan(d...
Page 13 - DATA; Initial
13 6 DATA 6-1. REFILLING REFRIGERANT CHARGE (R410A : kg) 6-2. COMPRESSOR TECHNICAL DATA Piping length (one way) 10m 20m 30m 40m 50m Initial charged 2.1 2.1 3.1 3.1 4.6 4.6 4.6 2.3 2.3 3.3 3.3 4.8 4.8 4.8 2.5 2.5 3.5 3.5 5.0 5.0 5.0 2.7 2.7 4.1 4.1 5.6 5.6 5.6 2.9 2.9 4.7 4.7 6.2 6.2 6.2 60m — — — — ...
Page 14 - OCT
14 6-3. NOISE CRITERION CURVES 1.5m 1m MICROPHONE UNIT GROUND APPROXIMATETHRESHOLD OFHEARING FORCONTINUOUSNOISE NC-60 NC-50 NC-40 NC-30 NC-20 NC-70 PUHZ-RP35/50VHA2PUHZ-RP35/50VHA2 1 PUHZ-RP35/50VHA3 COOLING MODE HEATING 44 SPL(dB) 46 LINE 90 80 70 60 50 40 30 20 10 63 125 250 500 1000 2000 4000 800...
Page 20 - OUTLINES AND DIMENSIONS; Minimum installation space for outdoor unit; Basically open; Free space around the outdoor unit; Handle for; ATTACHING THE CONDUIT
20 7 OUTLINES AND DIMENSIONS Service panel for charge plug w 1 In the place where short cycle tends to occur, cooling and heating capacity and power consumption might get lowered 10%. Air outlet guide (optional PAC-SG58SG) will help them improve. w 2 If air discharges to the wall, the surface might ...
Page 22 - Piping Knockout Hole Details
22 417 65 42 45 56 (19) 370 28 53 175 600 175 330 2-12 o 36 oval holes (Foundation Bolt M10) Air Discharge Rear Air Intake Side Air Intake 2-U Shaped notched holes (Foundfation Bolt M10) Installation Feet , , , , , , , ,, , , , ,,,, , , ,,,, ,, , , ,,, , , , 30 Piping Knockout Hole Details Example o...
Page 23 - Side Air Intake; PIPING-WIRING DIRECTIONS
23 2 1 Handle for moving Service panel Handle for moving Handle for moving Rear Air Intake Air intake Rear piping cover Front piping cover Side Air Intake Handle for moving Piping Knockout Hole Details Example of Notes 1 ····Refrigerant GAS pipe connction (FLARE) [ 15.88 (5/8 inch) 2 ····Refrigerant...
Page 24 - Example of Notes; RP·V
24 Handle for moving Side Air Intake Front piping cover Rear piping cover Air intake Rear Air Intake Handle for moving Handle for moving Terminal connection Left···Power supply wiring Right···Indoor/Outdoor wiring Earth terminal Service panel Handle for moving 1 2 Air Discharge Rear Air Intake Side ...
Page 25 - WIRING DIAGRAM
25 8 WIRING DIAGRAM PUHZ-RP35VHA2 PUHZ-RP50VHA2 PUHZ-RP60VHA2 PUHZ-RP71VHA2 SYMBOL M-NET ADAPTER NAME TB7CN5CNDCN2MSW1SW11 Terminal Block<M-net connection>Connector<Transmission>Connector<Power Supply>Connector<M-NET communication>Switch<Status of communication>Switch&l...
Page 32 - WIRING SPECIFICATIONS; Electrical wiring; • Synchronized twin; Install an earth longer than other cables.; Outdoor Unit
32 9 WIRING SPECIFICATIONS 9-1. FIELD ELECTRICAL WIRING (power wiring specifications) 12 S1S2S3 S1S2S3 Indoor/outdoor unit connection cable Indoor unit Unit power supply Outdoor unit Remote controller L B N B Earth leakage breaker C wiring circuit breaker or isolating switch C B B Earth leakage brea...
Page 33 - Simultaneous twin/triple system
33 The following connection patterns are available.The outdoor unit power supply patterns vary on models. 1:1 System <For models without heater>* The optional indoor power supply terminal kit is required. S1S2 L N 12 L N S1S2S3 S3 A C B D J E B C F G H S1S2 L N 12 L N S1S2S3 12 L N S1S2S3 12 L...
Page 34 - The optional indoor power supply terminal kit is necessary
34 9-3. INDOOR – OUTDOOR CONNECTING CABLE The cable shall not be lighter than design 60245 IEC or 60227 IEC. w The Max. cable length may vary depending on the condition of installation, humidity or materials, etc. Indoor unit-Outdoor unit Outdoor power supply Max. 45m 3 o 1.5 (polar) 1 o Min. 1.5 Ma...
Page 36 - shield wire for electric wires.
36 9-4-3. Regulations in address settings In case of multiple grouping system, M-NET and refrigerant address settings should be done as explained in the above sec-tion. Set the lowest number in the group for the outdoor unit whose refrigerant address is “00” as its M-NET address. w Refrigerant addre...
Page 37 - REFRIGERANT SYSTEM DIAGRAM
37 10 REFRIGERANT SYSTEM DIAGRAM PUHZ-RP60VHA2 PUHZ-RP60VHA2 1 PUHZ-RP71VHA2 PUHZ-RP71VHA2 1 PUHZ-RP35VHA2 PUHZ-RP35VHA2 1 PUHZ-RP35VHA3 PUHZ-RP50VHA2 PUHZ-RP50VHA2 1 PUHZ-RP50VHA3 Thermistor TH7(Outdoor) Heat exchanger Refrigerant GAS pipeconnection(1/2) Refrigerant LIQUID pipeconnection(1/4) Stop ...
Page 39 - A B
39 10-2. Unit replacement operation When reusing the existing pipes that carried R22 refrigerant for the RP60/71VHA3 and RP100/125/140 models,replacement operation must be performed before performing a test run. 1 If new pipes are used, these procedures are not necessary. 2 If existing pipes that ca...
Page 40 - TROUBLESHOOTING; age, loosened connections and incorrect polarity.
40 11 TROUBLESHOOTING <Error code display by self-diagnosis and actions to be taken for service (summary)>Present and past error codes are logged and displayed on the wired remote controller and control board of outdoor unit.Actions to be taken for service, which depends on whether or not the ...
Page 41 - be displayed regardless of incorrect wiring.; In case OUTDOOR BOARD LED is digital display, — and —; will be displayed alternately every second.; Operating procedures
41 [TEST] button Pipe (liquid) temperature Displays the remainingtest run time. "TEST RUN" and the currently selectedoperation mode are displayed altemately. A B C • In case of test run, the OFF timer will be activated, and the test run will automatically stop after 2 hours.• The room temper...
Page 42 - Test run [for wireless remote controller]; while following steps
42 ON/OFF TEMP FAN VANE MODE CHECK LOUVER TEST RUN AUTO STOP AUTO START h min TEST RUN RESET SET CLOCK 7 5 6 2 3 , 4 Test run [for wireless remote controller] Measure an impedance between the power supply terminal block onthe outdoor unit and ground with a 500V Megger and check that it isequal to or...
Page 43 - To clear the error code, press the; CHECK
43 11-3. HOW TO PROCEED "SELF-DIAGNOSIS" 11-3-1. When a Problem Occurs During Operation If a problem occurs in the air conditioner, the indoor and outdoor units will stop,and the problem is shown in the remote controller display. [CHECK] and the refrigerant address are displayed on the tempe...
Page 44 - FILTER
44 Transmission data from remote controller Transmission data on transmission path When the number of data errors is "02": D Press the ON/OFF button twice within 3 seconds. The self-diagnosis address or refrigerant address will blink. When the error history is reset, the display will look li...
Page 45 - Malfunction-diagnosis method at maintenance service>
45 [Procedure] 1. Press the CHECK button twice. 2. Press the temperature buttons. 3. Point the remote controller at the sensor on the indoor unit andpress the HOUR button. 4. Point the remote controller at the sensor on the indoor unit andpress the ON/OFF button. • "CHECK" lights, and refrig...
Page 47 - ; Error Code
47 11-4. SELF-DIAGNOSIS ACTION TABLE <Abnormalities detected when the power is put on> (Note 1) Refer to indoor unit section for code P and code E. Error Code Abnormal points and detection method Case Judgment and action None — 1 No voltage is supplied to termi-nal block(TB1) of outdoor unit. ...
Page 49 -
49 <Abnormalities detected while unit is operating> Error Code Abnormal points and detection method Judgment and action U1 (1302) High pressure (High-pressure switch63H worked)Abnormal if high-pressure switch 63Hworked ( w ) during compressor operation. w 4.15 MPa 63H: High-pressure switch 1 S...
Page 55 - Continued to the next page.
55 A6 (6606) Communication error with communica-tion processorDefective communication between unitprocessor and transmission processorNote) The address and attribute display at remote controller indicate the con-troller that detected abnormality. 1 Data of transmission proces-sor or unit processor i...
Page 56 - From the previous page.; If displayed address or attribute is
56 Error Code Abnormal points and detection method Case Judgment and action A7 (6607) 5. If displayed address or attribute is FRESH MASTER, indoor unit detectsabnormality when indoor unit transmitssignal to FRESH MASTER and therewas no reply (ACK). 1 During sequential operation ofindoor unit and FRE...
Page 57 - 1-5. TROUBLESHOOTING BY INFERIOR PHENOMENA
57 11-5. TROUBLESHOOTING BY INFERIOR PHENOMENA Phenomena Factor Countermeasure 1. Remote controller display does not work. 2. “PLEASE WAIT” display is remained on the remote controller. 3. When pressing the remote controller operation switch, the OPERATIONdisplay is appeared but it will beturned off...
Page 60 - Symptoms: Nothing is displayed on the remote controller
60 AC 198V to AC 264V? AC 198V to AC 264V? AC 198V to AC 264V? DC 12V to DC 16V? DC 12V to DC 16V? NO YES NO YES NO YES YES NO YES NO Check the voltage between S1 and S2 on the terminal block (TB4) of the indoor unit which is used to connect the indoor unit and the outdoor unit. Check the voltage am...
Page 61 - Check the status
61 AC 198V to AC 264V? Are there looseness or disconnection of the indoor/ outdoor connecting wire? Is anything displayed? DC 17V to DC 28V? Is “E8” displayed? Can all the indoor unit be operated? Check the voltage between S2 and S3 on the terminal block of the outdoor unit. NO YES Not lighting. Bli...
Page 70 -
70 <Output pulse signal and the valve operation> (2) Linear expansion valve operation A B C Open Extra tightning (about 32 pulse) Pulse number 500 pulseOpening a valveall the way Close V alve position (capacity) Opening a valve : 8 → 7 → 6 → 5 → 4 → 3 → 2 → 1 → 8 Closing a valve : 1 → 2 → 3 → ...
Page 74 - (2) Check the following items and cautions for emergency operation
74 11-8. EMERGENCY OPERATION (1) When the error codes shown below are displayed on outdoor unit or microcomputer for wired remote controller or indoor unit has a failure, but no other problems are found, emergency operation will be available by setting the emergency opera-tion switch (SWE) to ON and...
Page 75 - (5) Operation data during emergency operation; Tc
75 (5) Operation data during emergency operation During emergency operation, no communication is performed with the indoor unit, so the data items needed for operationare set to the following values: Operation data Intake temperature (TH1) Indoor pipe temperature (TH2) Indoor 2-phase pipe temperatur...
Page 77 - Outdoor controller circuit board
77 Communication power supply D71 Voltage 24V DC CNS S1-S2:220-240V AC CNAC 2 to 4 : Power supply for outdoor controller circuitboard (220V-240V AC) 1 to 3 : Power supply for indoor and outdoor unitconnection wire (220-240V AC) CNF1, CNF2 Connect to the fan motor 1 - 4 : 280V DC 5 - 4 : 15V DC 6 - 4...
Page 84 - Connect to the earth; CNDC; outdoor power
84 Outdoor noise filter circuit boardPUHZ-RP100YHA2PUHZ-RP125YHA2PUHZ-RP140YHA2 LI1, LI2, LI3, NIPOWER SUPPLY LI1-LI2/LI-LI3/LI3-LI1 : AC380/400/415V inputLI1-NI/LI2-NI/LI3-NI : AC220/230/240V input(Connect to the terminal block (TB1)) GD1 Connect to the earth CNAC1, CNAC2AC220/230/240V (Connect to ...
Page 88 - Brief Check of POWER MODULE
88 Outdoor power circuit boardPUHZ-RP100VHA2PUHZ-RP100VHA2 1 PUHZ-RP125VHA2PUHZ-RP125VHA2 1 PUHZ-RP140VHA2PUHZ-RP140VHA2 1 PUHZ-RP100VHA3 TABP1Connect to 52C TABP2/SC-P2Connect to theACTM CN4Connect to theoutdoor controllercircuit board(CN4) CN2Connect to the outdoor controller circuit board(CN2)1-5...
Page 89 - and the CK
89 Brief Check of POWER MODULE W Usually, they are in a state of being short-circuited if they are broken. Measure the resistance in the following points (connectors, etc.). If they are short-circuited, it means that they are broken.1. Check of POWER MODULE 1 .Check of DIODE circuit L1 - P1 , L2 - P...
Page 91 - Connect to the 52C; Connection and internal circuit diagram
91 Active filter modulePUHZ-RP100VHA2PUHZ-RP125VHA2PUHZ-RP140VHA2 L1, L2Connect to the DCL(Reactor) Connect to the 52C Connect to theoutdoor powercircuitboard(TABN1) + – INot used N2Connect to theoutdoor powercircuitboard(TABN2) N1Non-connect PConnect to the out-door power circuitboard(TABP2) DCL L1...
Page 92 - Load
92 Active filter modulePUHZ-RP100VHA2 1 PUHZ-RP125VHA2 1 PUHZ-RP140VHA2 1 PUHZ-RP100VHA3 + – + DCL L1 L2 ACTM P Io N1N2 (+) (- ) Load Connection and internal circuit diagram L1, L2Connect to theDCL(Reactor) Connect to theoutdoor powercircuitboard(TABP1) N2Non-connect N1Non-connect PConnect to the ou...
Page 93 - Model select
93 Switch Type of switch Dip switch Push switch SW1 1 2 No. Function Effective timing Action by the switch operation Forced defrost w 1 Start Normal When compressor is working in heating operation. w 1 Abnormal history clear Refrigerant address setting When power supply ON Clear Normal off or operat...
Page 95 - Max. 10 m including local wiring
95 Special function(a) Low-level sound priority mode (Local wiring) Unit enters into Low-level sound priority mode by external signal input setting.Inputting external signals to the outdoor unit decreases the outdoor unit operation sound 3 to 4 dB lower than that of usual. Adding a commercial timer ...
Page 98 - SW2 setting; Display detail; second
98 <Outdoor unit operation monitor function>[When optional part ‘A-Control Service Tool(PAC-SK52ST)’ is connected to outdoor controller board(CNM)]Digital indicator LED1 displays 2 digit number or code to inform operation condition and the meaning of error code by controlling DIP SW2 on ‘A-Con...
Page 99 - or
99 SW2 setting 1 ON 2 3 4 5 6 Display detail Explanation for display Unit Pipe temperature / Liquid(TH3)– 40~90 – 40~90(When the coil thermistor detects 0 : or below, “–” and temperature are displayed by turns.) (Example) When -10 : ; 0.5 secs. 0.5secs. 2 secs. : 1 ON 2 3 4 5 6 1 ON 2 3 4 5 6 1 ON 2...
Page 104 - Pulse
104 SW2 setting Display detail Explanation for display Unit 1 ON 2 3 4 5 6 Pulse LEV-A opening pulse on error occurring0~480 0~480(When it is 100 pulse or more, hundreds digit, tens digit and ones digit are displayed by turns.) (Example) When 130 pulse; 0.5 secs. 0.5secs. 2 secs. : Indoor room tempe...
Page 107 - FUNCTION SETTING; Function; 2-1. UNIT FUNCTION SETTING BY THE REMOTE CONTROLLER; floor standing models.
107 12 FUNCTION SETTING Function Settings Mode No. Setting No. : Initial setting (when sent from the factory) Remarks Power failure automatic recoveryIndoor temperature detecting W 1 LOSSNAY connectivity Power supply voltageAuto operating mode Frost prevention temperatureHumidifier control Change of...
Page 109 - 2-1-1. Selecting functions using the wired remote controller
109 6 Select mode No. 02 (room temperature detection position). 7 Select setting No. 03 (remote controller fixed). (Use F and G .) 8 Enter the setting. (Press E .) Finished 0 End function display. (Press A and B at the same time.) Example:Selecting room temperaturedetection position YES YES NO NO 9 ...
Page 112 - 2-2. FUNCTION SELECTION OF REMOTE CONTROLLER
112 12-2. FUNCTION SELECTION OF REMOTE CONTROLLER The setting of the following remote controller functions can be changed using the remote controller function selection mode.Change the setting when needed. Item 1 1.Change Language("CHANGE LANGUAGE")2.Function limit("FUNCTION SELECTION...
Page 114 - MONITORING THE OPERATION DATABY THE REMOTE CONTROLLER; TEST; Discharge temperature 69
114 13 MONITORING THE OPERATION DATABY THE REMOTE CONTROLLER 13-1. HOW TO "MONITOR THE OPERATION DATA" • Turn on the [Monitoring the operation data] A D C B (1) (2) (3) (4) (5) (6) (7) (1) Press the TEST button for 3 seconds so that [ Maintenance mode] appears on the screen (at A ). (2) Pres...
Page 124 - EASY MAINTENANCE FUNCTION; Reduces maintenance work drastically.; Remote controller button information; button for 3 seconds to switch to maintenance mode.; MODE; button to select the desired operation mode.; ] Waiting for stabilization; Stabilized; Discharge temperature 64; Conventional inspection work
124 14 EASY MAINTENANCE FUNCTION ● Reduces maintenance work drastically. ● Enables you to check operation data of the indoor and outdoor units by remote controller.Furthermore, use of maintenance stable-operation control that fixes the operating frequency, allows smooth inspection, even forinverter ...
Page 125 - [Display example for accumulated operating time]; Display; Twin
125 ● Data measurementWhen the operation is stabilized, measure operation data as explained below. (4) Press the [TEMP] buttons ( and ) to select the desired refrigerant address. [Screen B ] (5) Select the type of data to be displayed. After selecting, go to step (6). Compressor information MENU but...
Page 126 - Check Points; Enter the temperature differences between; Classification; Result
126 14-2. GUIDE FOR OPERATION CONDITION Inspection item Result Power supply Loose con- nection Breaker Good Retightened Terminal block Outdoor Unit Good Retightened Indoor Unit Good Retightened (Insulation resistance) M " (Voltage) V 1 Accumulated operating time Time 2 Number of ON/OFF times Tim...
Page 127 - Remote controller button position; Press button for more than 3 seconds to switch to; How to start the initial learning; Press CLOCK button and select the [GAS LEAK TEST START]; ] Waiting for stabilization; 'Press button for more than 3 seconds to cancel the initial leaning.
127 14-3. INITIAL SETTINGS FOR REFRIGERANT LEAKAGE DETECTION FUNCTION D A C B Operation mode Compressor information Outdoor unit information Indoor unit information Confirm ■ Remote controller button position Stabilized After 45 minutes This air conditioner (Outdoor unit) can detect refrigerant leak...
Page 129 - DISASSEMBLY PROCEDURE; OPERATING PROCEDURE; back panel; right and 3 from the rear side, and detach the back panel.; Removing the fan motor; board in the electrical parts box.; Photo 1
129 15 DISASSEMBLY PROCEDURE OPERATING PROCEDURE PHOTOS PUHZ-RP35, 50VHA2 (1) /VHA3 1. Removing the top panel, service panel, front panel and back panel (1) Remove the top panel fixing screws (4 ✕ 10), one from the right and two from the eft side, and detach the top panel. (2) Remove 1 service panel...
Page 130 - (6) Loosen the clamp for the lead wire in the rear of the; Removing the electrical parts box; ; Photo 5; Clamp
130 Electrical parts box Controller circuitboard (C.B.) Electrical parts box fixingscrew Terminal block (TB1) OPERATING PROCEDURE PHOTOS 4. Removing the thermistor <Outdoor 2-phase pipe> (TH6) and thermistor <Outdoor pipe> (TH3) (TH33) (1) Remove the service panel. (See photo 2.)(2) Remo...
Page 131 - Photo 7; Sensor holder; Photo 8; -way valve fixing screw
131 OPERATING PROCEDURE PHOTOS 5. Removing the thermistor <Outdoor> (TH7) (1) Remove the service panel. (See figure 1.)(2) Remove the top panel. (See figure 1.)(3) Disconnect the connector TH7 (red) on the controller circuit board in the electrical parts box. (4) Loosen the clamp for the lead ...
Page 132 - ing the right side panel.; The reactor is attached to the rear of the electrical parts box.
132 OPERATING PROCEDURE PHOTOS 8. Removing the 4-way valve (1) Remove the service panel. (See photo 2.)(2) Remove the top panel. (See photo 1.)(3) Remove the front panel. (See photo 1.)(4) Remove the back panel. (See photo 1.)(5) Remove the electrical parts box. (See photo 5.)(6) Remove the 4-way va...
Page 133 - (9) Remove the welded pipe of motor for compressor inlet; (9) Remove the power receiver together with the receiver leg.; Note: Recover refrigerant without spreading it in the air.
133 OPERATING PROCEDURE PHOTOS Photo 13 Photo 14 Compressor (MC) Valve bed Separator Separatorfixing screw Compressorfixing nut Powerreceiver Powerreceiver Outlet Inlet 12. Removing the compressor (MC) (1) Remove the service panel. (See photo 2.)(2) Remove the top panel. (See photo 1.)(3) Remove the...
Page 134 - Removing the service panel and top panel; Figure 1; (5) Disconnect the connector CNF1 on controller circuit; Photo 3; ) from the valve bed to
134 OPERATING PROCEDURE PHOTOS & ILLUSTRATION PUHZ-RP60,71VHA2 (1) /VHA3 1. Removing the service panel and top panel (1) Remove 3 service panel fixing screws (5 ✕ 10) and slide the hook on the right downward to remove the service panel. (2) Remove screws (3 for front, 3 for rear/5 ✕ 10) of the t...
Page 135 - Photo 4
135 Thermistor <Outdoor 2-phase pipe>(TH6) OPERATING PROCEDURE PHOTOS Photo 4 4. Removing the thermistor <Outdoor 2-phase pipe> (TH6) (1) Remove the service panel. (See figure 1.)(2) Remove the top panel. (See figure 1.)(3) Disconnect the connectors, TH7/6 (red), on the controller circui...
Page 136 - LEV
136 OPERATING PROCEDURE PHOTOS 7. Removing the 4-way valve coil (21S4), LEV coil (LEV(A), LEV(B)) and bypass valve coil (SV) (1) Remove the service panel. (See figure 1)(2) Remove the top panel. (See figure 1)(3) Remove the electrical parts box. (See photo 4)[Removing the 4-way valve coil](4) Remove...
Page 137 - Removing the bypass valve; removing the right side panel.; rear of the unit and remove the right side panel.; removing the right side panel.
137 OPERATING PROCEDURE PHOTOS 10. Removing the bypass valve (1) Remove the service panel. (See figure 1.)(2) Remove the top panel. (See figure 1.)(3) Remove the electrical parts box. (See photo 3.)(4) Remove 3 right side panel fixing screws (5 ✕ 10) in the rear of the unit and remove the right side...
Page 142 - remove the capacitor.; Photo 9; Bypass valve
142 OPERATING PROCEDURE PHOTOS 10. Removing the bypass valve coil (SV) and bypass valve (1) Remove the service panel. (See figure 1.)(2) Remove the top panel. (See figure 1.)(3) Remove 3 right side panel fixing screws (5 ✕ 10) in the rear of the unit and remove the right side panel. (4) Remove the b...
Page 144 - circuit board in electrical parts box.
144 OPERATING PROCEDURE PHOTOS & ILLUSTRATION PUHZ-RP100/125/140YHA2 (1) PUHZ-RP100YHA3 1. Removing the service panel and top panel (1) Remove 3 service panel fixing screws (5 ✕ 10) and slide the hook on the right downward to remove the service panel. (2) Remove screws (3 for front, 3 for rear/5...
Page 145 - Disassembling the electrical parts box
145 OPERATING PROCEDURE PHOTOS & ILLUSTRATION 4. Disassembling the electrical parts box (1) Disconnect all the connectors on the controller circuit board.(2) Remove the 3 screws, screw 1 , 2 and 3 , that fix the plate equipped with the outdoor controller circuit board, and the electrical parts b...
Page 146 - controller circuit board in the electrical parts box.; replace it together with thermistor
146 OPERATING PROCEDURE PHOTOS Photo 10 5. Removing the thermistor <Outdoor 2-phase pipe> (TH6) (1) Remove the service panel. (See figure 1.)(2) Remove the top panel. (See figure 1.)(3) Disconnect the connector TH7/6 (red), on the controller circuit board in the electrical parts box. (4) Loose...
Page 149 - and; Be careful when handling it.
149 13. Removing the reactors (ACL1, ACL2, ACL3) (1) Remove the service panel. (See figure 1.)(2) Remove the top panel. (See figure 1.)(3) Remove the 6 screws, screw 8 and 9 (5 ✕ 10), that fix the front panel and remove the front panel. (See photo 3.) (4) Remove the 2 screws, screw 0 and 1 (both 4 ✕...
Page 155 - Part numbers that are circled are not shown in the figure.
155 Part No. Part Name Specification No. Wiring Diagram Symbol Recom- mended Q , ty Remarks (Drawing No.) Q , ty/set PUHZ-RP35VHA2PUHZ-RP50VHA2 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 MF1 MC TH4 TH3 21S4 LEV(A) 63H LEV(B) TH6,7 ACL TB1 N.F. C.B. P.B. TH8 F1,2,3,...
Page 159 - Part numbers that are circled are not shown in the figures.
159 Part No. Part Name Specification No. Wiring Diagram Symbol Recom- mended Q , ty Remarks (Drawing No.) Q , ty/set 100 125 VHA2 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 2 2 2 1 1 1 1 1 1 1 1 1 1 1 2 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1...
Page 162 - RoHS PARTS LIST
162 17 RoHS PARTS LIST FUNCTIONAL AND ELECTRICAL PARTSPUHZ-RP35VHA2 PUHZ-RP35VHA2 1 PUHZ-RP35VHA3 PUHZ-RP50VHA2 PUHZ-RP50VHA2 1 PUHZ-RP50VHA3 1 3 4 2 5 6 7 8 9 10 11 12 13 14 17 15 16 13 19 20 21 22 23 24 25 26 27 18 OC374C--6.qxp 08.2.22 8:11 AM Page 162
Page 163 - RoHS
163 Part No. Part Name Specification No. Wiring Diagram Symbol Recom- mended Q , ty Remarks (Drawing No.) Q , ty/set PUHZ-RP35,50 VHA2 VHA3 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 RoHS G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G...
Page 167 - Wiring
167 Part numbers that are circled are not shown in the figure. Part No. Part Name Specification No. Wiring Diagram Symbol Recom- mended Q'ty Remarks (Drawing No.) PUHZ-RP60, 71 VHA3 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 RoHS G G G G G G G G G G G G...
