Page 1: Table Of Contents
SPLIT-TYPE, HEAT PUMP AIR CONDITIONERS May 2013 No.OCH451 REVISED EDITION-D SERVICE MANUAL R410A Outdoor unit [Model name] [Service Ref.] Revision: PUHZ-RP35VHA4 PUHZ-RP35VHA4 • PUHZ-RP60/71VHA4R4 and PUHZ-RP100/125YKAR4 PUHZ-RP50VHA4 PUHZ-RP50VHA4 have been deleted in REVISED EDITION-D. PUHZ-RP60VHA4 PUHZ-RP60VHA4 • Some descriptions have been modified.
Page 2: Technical Change
TECHNICAL CHANGE PUHZ-RP200YKA PUHZ-RP200YKAR1 • Power board (P.B.) has been changed. • Controller board (C.B.) has been changed. (S/W version up) REFERENCE MANUAL INDOOR UNIT SERVICE MANUAL Service Model name Service Ref. Manual No. PLA-RP35/50/60/71BAR3.UK PLA-RP35/50/60/71/100/125BA OCH412 PLA-RP35/50/60/71/100/125BA#2.UK PLA-RP71/125/140BA2 OCB412 PLA-RP71/125/140BA2.UK OCH459 PLA-RP100BA3...
Page 3: Safety Precaution
SAFETY PRECAUTION 3-1. ALWAYS OBSERVE FOR SAFETY Before obtaining access to terminal, all supply circuits must be disconnected. 3-2. CAUTIONS RELATED TO NEW REFRIGERANT Cautions for units utilizing refrigerant R410A Preparation before the repair service. • Prepare the proper tools. •...
Page 4 [1] Cautions for service (1) Perform service after recovering the refrigerant left in unit completely. (2) Do not release refrigerant in the air. (3) After completing service, charge the cycle with specified amount of refrigerant. (4) When performing service, install a filter drier simultaneously. Be sure to use a filter drier for new refrigerant.
Page 5 3-3. PRECAUTIONS WHEN REUSING EXISTING R22 REFRIGERANT PIPES (1) Flowchart • Refer to the ﬂ owchart below to determine if the existing pipes can be used and if it is necessary to use a ﬁ lter dryer. • If the diameter of the existing pipes is different from the speciﬁ ed diameter, refer to technological data materials to conﬁ rm if the pipes can be used.
Page 6 (2) Cautions for refrigerant piping work New refrigerant R410A is adopted for replacement inverter series. Although the refrigerant piping work for R410A is same as for R22, exclusive tools are necessary so as not to mix with different kind of refrigerant. Furthermore as the working pressure of R410A is 1.6 times higher than that of R22, their sizes of flared sections and flare nuts are different.
Page 7: Features
FEATURES PUHZ-RP35VHA4 PUHZ-RP60VHA4 PUHZ-RP50VHA4 PUHZ-RP71VHA4 PUHZ-RP100VKA PUHZ-RP125VKA PUHZ-RP140VKA PUHZ-RP100YKA PUHZ-RP125YKA PUHZ-RP140YKA PUHZ-RP200YKA PUHZ-RP200YKAR1 PUHZ-RP250YKA CHARGELESS SYSTEM PRE-CHARGED REFRIGERANT IS SUPPLIED FOR PIPING LENGTH AT SHIPMENT. Max. 30m (PUHZ-RP35-250) The refrigerant circuit with LEV (Linear Expansion Valve) and power receiver always control the optimal refrigerant level regardless of the length (30 m max.
Page 8: Specifications
SPECIFICATIONS PUHZ-RP35VHA4 PUHZ-RP50VHA4 Service Ref. Mode Cooling Heating Cooling Heating Single, 50 Hz, 230 V Power supply (phase, cycle, voltage) Max. current Munsell 3Y 7.8/1.1 External finish Linear Expansion Valve Refrigerant control Hermetic Compressor SNB130FGCH Model Motor output Inverter Starter type Protection devices HP switch Comp.
Page 9 PUHZ-RP100VKA PUHZ-RP125VKA PUHZ-RP140VKA Service Ref. Mode Cooling Heating Cooling Heating Cooling Heating Single 50 Hz, 230 V Power supply (phase, cycle, voltage) Max. current 26.5 Munsell 3Y 7.8/1.1 External finish Refrigerant control Linear Expansion Valve Hermetic Compressor Model ANB33FDUMT ANB42FDWMT Motor output Inverter Starter type...
Page 10 PUHZ-RP200YKA Service Ref. PUHZ-RP250YKA PUHZ-RP200YKAR1 Cooling Heating Cooling Heating Mode 3 phase 50Hz, 400V Power supply (phase, cycle, voltage) Max. current Munsell 3Y 7.8/1.1 External finish Linear Expansion Valve Refrigerant control Hermetic Compressor Model ANB52FFQMT / ANB52FFPMT* ANB66FFRMT / ANB66FFZMT* Motor output Inverter Starter type...
Page 11: Data
DATA 6-1. REFILLING REFRIGERANT CHARGE (R410A : kg) PUHZ-RP35-140 Piping length (one way) Initial Service Ref. charged PUHZ-RP35VHA4 — — PUHZ-RP50VHA4 — — PUHZ-RP60VHA4 — — PUHZ-RP71VHA4 — — PUHZ-RP100VKA PUHZ-RP100YKA PUHZ-RP125VKA PUHZ-RP125YKA PUHZ-RP140VKA PUHZ-RP140YKA Additional charge is required for pipes longer than 30 m.
Page 12 6-4. NOISE CRITERION CURVES PUHZ-RP35VHA4 SPL(dB) MODE LINE PUHZ-RP50VHA4 COOLING HEATING NC-70 MICROPHONE UNIT NC-60 1.5m NC-50 NC-40 GROUND NC-30 APPROXIMATE THRESHOLD OF HEARING FOR NC-20 CONTINUOUS NOISE 1000 2000 4000 8000 BAND CENTER FREQUENCIES, Hz PUHZ-RP60VHA4 SPL(dB) MODE LINE PUHZ-RP100VKA SPL(dB) MODE...
Page 13 PUHZ-RP125VKA PUHZ-RP140VKA PUHZ-RP140YKA SPL(dB) MODE LINE PUHZ-RP125YKA SPL(dB) MODE LINE COOLING COOLING HEATING HEATING NC-70 NC-70 NC-60 NC-60 NC-50 NC-50 NC-40 NC-40 NC-30 NC-30 APPROXIMATE APPROXIMATE THRESHOLD OF THRESHOLD OF HEARING FOR NC-20 HEARING FOR NC-20 CONTINUOUS CONTINUOUS NOISE NOISE 1000 2000 4000...
Page 14 6-5. STANDARD OPERATION DATA PLA-RP35BA PLA-RP50BA PLA-RP60BA PLA-RP71BA2 Representative matching Cooling Heating Cooling Heating Cooling Heating Mode Cooling Heating Capacity 3,600 4,100 5,000 6,000 6,000 7,000 7,100 8,000 Input 1.07 1.12 1.55 1.62 1.60 1.82 1.90 1.90 Indoor unit PLA-RP35BA PLA-RP50BA PLA-RP60BA PLA-RP71BA2...
Page 15 PLA-RP100BA3 PLA-RP140BA2 PLA-RP125BA2 Representative matching Mode Cooling Heating Cooling Heating Cooling Heating Capacity 10,000 11,200 12,500 14,000 14,000 16,000 Input 2.39 2.43 3.67 3.50 4.36 4.32 Indoor unit PLA-RP100BA3 PLA-RP125BA2 PLA-RP140BA2 Phase , Hz 1 , 50 1 , 50 1 , 50 Voltage Current...
Page 16 PLA-RP100BA3 ×2 PLA-RP125BA2 ×2 Representative matching Cooling Heating Cooling Heating Mode Capacity 19,000 22,400 22,000 27,000 Input 5.50 5.70 6.83 7.48 PLA-RP100BA3 PLA-RP125BA2 Indoor unit Phase , Hz 1, 50 1, 50 Voltage Current 1.00 × 2 0.94 × 2 1.07 x 2 1.00 ×...
Page 17: Outlines And Dimensions
OUTLINES AND DIMENSIONS PUHZ-RP35VHA4 Unit : mm PUHZ-RP50VHA4 33 drain hole 347.5 Air intake Air intake 33 drain hole 45.4 Service panel 4-10 21 oval hole (M10 foundation bolt) Service panel for charge plug Air discharge Handle for Connection for moving liquid pipe Connection for...
Page 18 PUHZ-RP60VHA4 Unit : mm PUHZ-RP71VHA4 OCH451D...
Page 19 PUHZ-RP100VKA Unit : mm PUHZ-RP125VKA PUHZ-RP140VKA PUHZ-RP100YKA PUHZ-RP125YKA PUHZ-RP140YKA OCH451D...
Page 20 PUHZ-RP200YKA Unit : mm PUHZ-RP200YKAR1 PUHZ-RP250YKA OCH451D...
Page 21: Wiring Diagram
WIRING DIAGRAM PUHZ-RP35VHA4 PUHZ-RP50VHA4 SYMBOL NAME SYMBOL NAME SYMBOL NAME Terminal Block<Power Supply, Indoor/Outdoor > Power Module LED1,LED2 Motor for Compressor Converter <Operation Inspection Indicators> Fan Motor CB1~CB3 Main Smoothing Capacitor F1~4 Fuse<T6.3AL250V> 21S4 Solenoid Valve (Four-Way Valve) N.F. Noise Filter Circuit Board Switch<Pump Down>...
Page 22 PUHZ-RP60VHA4 PUHZ-RP71VHA4 SYMBOL NAME SYMBOL NAME SYMBOL NAME Terminal Block<Power Supply, Indoor/Outdoor> Converter F1~4 Fuse<T6.3AL250V> Motor for Compressor CB1~CB3 Main Smoothing Capacitor Switch<Pump Down> Noise Filter Circuit Board Fan Motor N.F. CN31 Connector<Emergency Operation> Connection Terminal<L-Phase> CN51 21S4 Solenoid Valve (Four-Way Valve) LI/LO Connector<Connection for Option>...
Page 23 PUHZ-RP100VKA PUHZ-RP125VKA PUHZ-RP140VKA SYMBOL NAME SYMBOL NAME SYMBOL NAME Terminal Block<Power Supply, Indoor/Outdoor > Connection Terminal<L-Phase> Switch<Pump Down> Motor for Compressor Connection Terminal<N-Phase> CN31 Connector<Emergency Operation> MF1, MF2 Fan Motor Connection Terminal CN51 Connector<Connection for Option> 21S4 Solenoid Valve (Four-Way Valve) Connection Terminal Connector<Connection for Option>...
Page 24 PUHZ-RP100YKA PUHZ-RP125YKA PUHZ-RP140YKA SYMBOL NAME SYMBOL NAME SYMBOL NAME Terminal Block<Power Supply > TB-P2 Switch<Function Switch> Connection Terminal Terminal Block<Indoor/Outdoor > TB-C1 Switch<Model Select> Connection Terminal Motor for Compressor TB-N1 Switch<Function Setup> Connection Terminal MF1, MF2 Fan Motor X52A Switch<Function Setup> 52C Relay 21S4 Solenoid Valve (Four-Way Valve)
Page 25 PUHZ-RP200YKA PUHZ-RP250YKA SYMBOL NAME SYMBOL NAME SYMBOL NAME Terminal Block<Power Supply> Switch<Function Setup> P.B. Power Circuit Board Terminal Block<Indoor/Outdoor> SC-U/V/W Connection Terminal<U/V/W-Phase> Switch<Function Setup> Motor for Compressor TB-L1/L2/L3 Connection Terminal<L1/L2/L3-Power supply> Switch MF1,MF2 Fan Motor Switch<Pump Down> TB-P1 Connection Terminal 21S4 Solenoid Valve (Four-Way Valve) TB-P2...
Page 26 PUHZ-RP200YKAR1 SYMBOL NAME SYMBOL NAME SYMBOL NAME Terminal Block<Power Supply> P.B. Switch<Function Setup> Power Circuit Board Terminal Block<Indoor/Outdoor> Connection Terminal<U/V/W-Phase> Switch<Function Setup> SC-U/V/W Motor for Compressor TB-L1/L2/L3 Connection Terminal<L1/L2/L3-Power supply> Switch MF1,MF2 Fan Motor TB-P1 Connection Terminal Switch<Pump Down> 21S4 Solenoid Valve (Four-Way Valve) TB-P2 Connection Terminal...
Page 27: Wiring Specifications
WIRING SPECIFICATIONS 9-1. FIELD ELECTRICAL WIRING (power wiring specifications) Outdoor unit model RP35, 50V RP60, 71V RP100,125V RP140V RP100, 125, 140Y RP200, 250 ~/N (single), 50 Hz, ~/N (single), 50 Hz, ~/N (single), 50 Hz, ~/N (single), 50 Hz, 3N~ (3 ph 4-wires), 3N~ (3 ph 4-wires), Outdoor unit power supply 230 V...
Page 28 1:1 System (Indoor : PEA-200, 250) 1:2 System (Indoor : PEA-400, 500) Outdoor Indoor Outdoor Indoor unit unit unit No.1 unit Unit Unit Unit Unit power power power power supply supply supply supply Indoor/outdoor Indoor/outdoor unit connection unit connection cable cable Earth leakage breaker Earth leakage breaker...
Page 29 Indoor unit model RP35~140 Indoor unit power supply ~/N (single), 50 Hz, 230 V Indoor unit input capacity 16 A Main switch (Breaker) Indoor unit power supply 2 Min. 1.5 Indoor unit power supply earth 1 Min. 1.5 Indoor unit-Outdoor unit 2 Min.
Page 30 9-4. M-NET WIRING METHOD (Points to note) (1) Outside the unit, transmission wires should stay away from electric wires in order to prevent electromagnetic noise from making an influence on the signal communication. Place them at intervals of more than 5 cm. Do not put them in the same conduit tube.
Page 31 M-NET wiring M-NET (1) Use 2-core × 1.25mm shield wire for electric wires. terminal (Excluding the case connecting to system controller.) Earth block wire (2) Connect the wire to the M-NET terminal block. Connect one core of the transmission wire (non-polar) to A terminal and the other to B. Peel the shield wire, twist the shield part to a string and connect it to S terminal.
Page 32: Refrigerant System Diagram
REFRIGERANT SYSTEM DIAGRAM PUHZ-RP35VHA4 Unit : mm (inch) PUHZ-RP50VHA4 Thermistor TH7 Heat exchanger (Ambient) Stop valve Thermistor TH6 Charge plug (with service port) Solenoid valve (Outdoor 2-phase pipe) (Four-way valve) Refrigerant GAS pipe connection(1/2F) Strainer Thermistor TH3 (Liquid) Muffler Distributor High pressure switch 63H Thermistor TH4...
Page 33 Unit : mm (inch) PUHZ-RP100VKA PUHZ-RP125VKA PUHZ-RP100YKA PUHZ-RP125YKA Thermistor TH7 (Ambient) Heat exchanger Thermistor TH6 (Outdoor 2-phase pipe) Ball valve 4-way valve Strainer Refrigerant GAS pipe connection(5/8) Charge plug Thermistor TH3 (High pressure) Muffler (Liquid) Charge plug (Low pressure) Distributor High pressure switch 63H Strainer...
Page 34 Unit : mm (inch) PUHZ-RP200YKA PUHZ-RP200YKAR1 Thermistor TH7 (Ambient) Heat exchanger Thermistor TH6 Ball valve 4-way valve Strainer (Outdoor 2-phase pipe) Refrigerant GAS pipe connection 25.4(1) Charge plug Thermistor TH3 (High pressure) Muffler (Liquid) Charge plug (Low pressure) High pressure Distributor switch 63H Strainer...
Page 35 10-1. REFRIGERANT COLLECTING (PUMP DOWN) Perform the following procedures to collect the refrigerant when moving the indoor unit or the outdoor unit. 1 Supply power (circuit breaker). * When power is supplied, make sure that “CENTRALLY CONTROLLED” is not displayed on the remote controller. If “CEN- TRALLY CONTROLLED”...
Page 36: Troubleshooting
TROUBLESHOOTING 11-1. 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 trouble is reoccurring at service, are summarized in the table below.
Page 37 11-2-2. Test run for wired remote controller <PAR-31MAA> MENU RETURN SELECT ON/OFF Function buttons Select "Service" from the Main menu, and press the button. Test run Input maintenance info. Function setting Check Self check Select "Test run" with the F1 or F2 button, and press the button.
Page 38 <Error information> When an error occurs, the following screen will appear. Check the error status, stop the operation, and consult your dealer. Error code, error unit, refrigerant address, unit model name, and serial Error information number will appear. Error code Error unit The model name and serial number will appear only if the information have Ref.
Page 39 <Checking the error information> While no errors are occurring, page 2/2 of the error information can be viewed by Main Main menu selecting "Error information" from the Main menu. Restriction Energy saving Errors cannot be reset from this screen. Night setback Filter information Error information Main display:...
Page 40 11-2-3. Test run for wired remote controller <PAR-21MAA> Operating procedures While the room temperature display on the remote "TEST RUN" and the currently selected controller is “PLEASE WAIT”, the remote controller is disabled. operation mode are displayed alternately. Wait until “PLEASE WAIT” disappears before using remote controller. 1.
Page 41 11-2-4. Test run for wireless remote controller Measure an impedance between the power supply terminal block on the outdoor unit and ground with a 500V Megger and check that it is equal to or greater than 1.0M". TEST RUN 1 Turn on the main power to the unit. TEST RUN 2 Press the button twice continuously.
Page 42 11-3. HOW TO PROCEED "SELF-DIAGNOSIS" 11-3-1. Self-diagnosis <PAR-31MAA> Select "Service" from the Main menu, and press the button. Test run Input maintenance info. Function setting Check Self check Select "Self check" with the F1 or F2 button, and press the button.
Page 43 11-3-2. Remote controller check <PAR-31MAA> * If operations cannot be completed with the remote controller, diagnose the remote controller with this function. Select "Service" from the Main menu, and press the button. Maintenance password Remote controller check Select "Remote controller check" with the F1 or F2 button, and press the button.
Page 44 11-3-3. Self-dignosis <PAR-21MA> 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 temperature display, and the error code and unit number are displayed alternately as shown below.
Page 45 When the error history is reset, the display will look like the one shown below. Press the button twice within 3 seconds. ON/OFF However, if you fail to reset the error history, the error content will be displayed again. The self-diagnosis address or refrigerant address will blink. Cancel self-diagnosis.
Page 46 11-3-6. Self-diagnosis <wireless remote controller> <In case of trouble during operation> When a malfunction occurs to air conditioner, both indoor unit and outdoor unit will stop and operation lamp blinks to inform unusual stop. < Malfunction-diagnosis method at maintenance service> [Procedure] 1.
Page 47 • Refer to the following tables for details on the check codes. [Output pattern A] Beeper sounds Beep Beep Beep Beep Beep Beep Beep OPERATION · · · Repeated INDICATOR lamp flash pattern Approx. 2.5 sec. 0.5 sec. 0.5 sec. 0.5 sec.
Page 48 11-4. SELF-DIAGNOSIS ACTION TABLE (Note 1) Refer to indoor unit section for code P and code E. <Abnormalities detected when the power is put on> Abnormal points and detection method Judgment and action Error Code Case 1 No voltage is supplied to termi- 1 Check following items.
Page 49 Error Code Abnormal points and detection method Case Judgment and action 1 Check disconnection or looseness or polarity 1 Contact failure or miswiring of Miswiring of indoor/outdoor unit indoor/outdoor unit connecting of indoor/outdoor unit connecting wire of connecting wire wire indoor and outdoor units.
Page 50 <Abnormalities detected while unit is operating> Abnormal points and detection method Judgment and action Error Code Case 1 Short cycle of indoor unit 1~6 Check indoor unit and repair defect. High pressure (High-pressure switch 2 Clogged filter of indoor unit 63H operated) 3 Decreased airflow caused by Abnormal if high-pressure switch 63H...
Page 51 Abnormal points and detection method Case Judgment and action Error Code 1 Disconnection or contact failure 1 Check connection of connector (TH3,TH6/TH7) Open/short of outdoor unit thermistors (TH3, TH6, TH7, and TH8) of connectors on the outdoor controller circuit board. Abnormal if open or short is detected Outdoor controller circuit Check connection of connector (CN3) on the...
Page 52 Abnormal point and detection method Case Judgment and action Error Code To find out the detail history (latest) about U9 error, turn ON SW2-1, 2-2, 2-6. Detailed Refer to 11-10. codes 1 Check the field facility for the power Overvoltage error 1 Abnormal increase in power source •...
Page 53 From the previous page. Abnormal point and detection method Case Judgment and action Error Code 1 Abnormal increase in power 12 Check the ﬁ eld facility for the power PFC error (Overvoltage/ Detailed codes Undervoltage/Overcurrent) souce voltage supply. 2 Decrease in power source •...
Page 54 Abnormal points and detection method Case Judgment and action Error Code 1 Stop valve of outdoor unit is 1 Open stop valve. Compressor overcurrent interruption Abnormal if overcurrent DC bus or com- closed. 2 Decrease of power supply volt- 2 Check facility of power supply. pressor is detected after compressor starts operating for 30 seconds.
Page 55 Error Code Abnormal points and detection method Judgment and action Case Remote controller transmission error 1 2 remote controller are set as 1 Set a remote controller to main, and the (E3)/signal receiving error (E5) 1 Abnormal if remote controller could not “main.”...
Page 56 Error Code Abnormal points and detection method Judgment and action Case 1 Noise has entered transmission 12 Turn the power off, and on again to check. Non defined error code This code is displayed when non defined wire of remote controller. Replace indoor controller board or outdoor error code is received.
Page 57 <M-NET communication error> (Note) “Indoor unit” in the text indicates M-NET board in outdoor unit. Error Code Abnormal points and detection method Case Judgment and action 1 There are 2 or more same Address duplicate definition Search the unit with same address as This error is displayed when transmission abnormality occurred.
Page 58 Error Code Abnormal points and detection method Case Judgment and action NO ACK signal Common factor that has no Always try the followings when the error relation with abnormality source 1. Transmitting side controller detects “A7” occurs. 1 The unit of former address abnormal if a message was transmitted does not exist as address 1 Turn off the power supply of outdoor...
Page 59 From the previous page. Error Code Abnormal points and detection method Case Judgment and action 1 During group operation with Same as mentioned in “A7” of the previous 4. If displayed address or attribute is indoor unit of multi- refrigerant remote controller, indoor unit detects page.
Page 60 Error Code Abnormal points and detection method Case Judgment and action 1 Transmitting condition is 1 Check transmission waveform or noise on M-NET NO RESPONSE Abnormal if a message was transmitted repeated fault because of transmission wire. 2 Turn off the power supply of outdoor unit and there were reply (ACK) that message noise and the like.
Page 61 Phenomena Factor Countermeasure 1 The pair number settings of the wireless remote 4. Even controlling by the wireless 1 Check the pair number settings. remote controller, no beep is heard controller and indoor controller board are and the unit does not start operat- mismatched.
Page 62 Symptoms: “PLEASE WAIT” is kept being displayed on the remote controller. Inspection method and Diagnosis flow Cause troubleshooting Check the display time of “PLEASE WAIT” after turning on the main power. 6 minutes 2 minutes or more or less How long is “PLEASE WAIT” •...
Page 63 LED display of the indoor controller board Symptoms: Nothing is displayed on the remote controller LED1 : LED2 : LED3 : Inspection method and Diagnosis flow Cause troubleshooting 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.
Page 64 LED display of the indoor controller board Symptoms: Nothing is displayed on the remote controller LED1 : LED2 : LED3 : Inspection method and Diagnosis flow Cause troubleshooting 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.
Page 65 LED display of the indoor controller board Symptoms: Nothing is displayed on the remote controller LED1 : LED2 : LED3 : — Inspection method and Diagnosis flow Cause troubleshooting Check the voltage of the terminal block (TB6) of the remote controller. DC 10V to DC 16V? •...
Page 66 • Before repair Frequent calling from customers Phone Calls From Customers How to Respond Note Unit does The operating display of remote Check if power is supplied to air conditioner. not operate controller does not come on. Nothing appears on the display unless power is at all.
Page 67 Phone Calls From Customers How to Respond Note The room cannot be cooled or heated sufficiently. Check the set temperature of remote controller. The outdoor unit cannot be operated if the set temperature is not appropriate. The outdoor unit operates in the following modes. COOL: When the set temperature is lower than the room temperature.
Page 68 Phone Calls From Customers How to Respond Note Something Air blows out for a while after However, this control is also This is not a malfunction. is wrong HEAT operation is stopped. The blower is operating just for cooling down the applied to the models which with the heated-up air conditioner.
Page 69 Phone Calls From Customers How to Respond Note A white mist is expelled from the indoor unit. This is not a malfunction. This may occur when the operation gets started in the room of high humidity. Water or moisture is expelled from the outdoor Cooling;...
Page 70 11-6. HOW TO CHECK THE PARTS PUHZ-RP35/50/60/71VHA4 PUHZ-RP100/125/140VKA PUHZ-RP100/125/140/200/250YKA PUHZ-RP200YKAR1 Check points Parts name Thermistor (TH3) <Liquid> Disconnect the connector then measure the resistance with a tester. Thermistor (TH4) (At the ambient temperature 10 ~30 ) <Discharge> Thermistor (TH6) Normal Abnormal <Outdoor 2-phase pipe>...
Page 71 Check method of DC fan motor (fan motor / outdoor controller circuit board) Notes · High voltage is applied to the connecter (CNF1, 2) for the fan motor. Pay attention to the service. · Do not pull out the connector (CNF1, 2) for the motor with the power supply on. (It causes trouble of the outdoor controller circuit board and fan motor.) Self check...
Page 72 11-7. HOW TO CHECK THE COMPONENTS <Thermistor feature chart> Low temperature thermistors • Thermistor <Outdoor pipe> (TH3) • Thermistor <Outdoor 2-phase pipe> (TH6) • Thermistor <Outdoor> (TH7) • Thermistor <Outdoor pipe> (TH33) Thermistor R0 = 15k' ± 3% B constant = 3480 ± 2% =15exp{3480( –...
Page 73 Linear expansion valve (RP35-RP71) (1) Operation summary of the linear expansion valve • Linear expansion valve opens/closes through stepping motor after receiving the pulse signal from the outdoor controller board. • Valve position can be changed in proportion to the number of pulse signal. <Connection between the outdoor controller board and the linear expansion valve>...
Page 74 (RP100-RP250) Linear expansion valve (1) Operation summary of the linear expansion valve • Linear expansion valve opens/closes through stepping motor after receiving the pulse signal from the outdoor controller board. • Valve position can be changed in proportion to the number of pulse signal. <Connection between the outdoor controller board and the linear expansion valve>...
Page 75 (3) How to attach and detach the coil of linear expansion valve (RP35-RP71 ) <Composition> Linear expansion valve is separable into the main body and the coil as shown in the diagram below. Main body Coil Lead wire Stopper <How to detach the coil> Hold the lower part of the main body (shown as A) firmly so that the main body does not move and detach the coil by pulling it upward.
Page 76 (4) How to attach and detach the coil of linear expansion valve (RP100-RP250) <Composition> Linear expansion valve is separable into the main body and the coil as shown in the diagram below. Main body Stopper Coil Lead wire <How to detach the coil> Hold the lower part of the main body (shown as A) firmly so that the main body does not move and detach the coil by pulling it upward.
Page 77 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) on indoor controller board to ON and short-circuiting the connector (CN31) on outdoor controller board.
Page 78 (5) Operation data during emergency operation During emergency operation, no communication is performed with the indoor unit, so the data items needed for operation are set to the following values: Operation mode Operation data Remarks COOL HEAT Intake temperature (TH1) 20.5 —...
Page 79 11-9. TEST POINT DIAGRAM Outdoor controller circuit board PUHZ-RP35/50/60/71VHA4 PUHZ-RP100/125/140VKA PUHZ-RP100/125/140/200/250YKA PUHZ-RP200YKAR1 <CAUTION> TEST POINT1 is high voltage. CN51 CNDM External signal output 1 to 2: Input of low-level sound priority mode Forced defrost, • Compressor operating signal 1 to 3: Input of external contact point detect history Demand control setting •...
Page 80 Outdoor noise filter circuit board PUHZ-RP35VHA4 PUHZ-RP50VHA4 LI, NI Voltage of 220-240V AC is input. Connect to the earth (Connect to the terminal block (TB1)) Connect to the earth Connect to the earth CNAC1, CNAC2 220-240V AC (Connect to the outdoor control- ler circuit board (CNAC))
Page 81 Outdoor noise filter circuit board PUHZ-RP60VHA4 PUHZ-RP71VHA4 EI, E2 Connect to the earth CNAC1, CNAC2 Connect to 220-240V AC the earth (Connect to the outdoor control- ler circuit board (CNAC)) Primary current (Connect to the outdoor power circuit board (CN5)) CN52C 52C relay signal (Connect to the...
Page 82 Outdoor noise filter circuit board PUHZ-RP100YKA PUHZ-RP125YKA PUHZ-RP140YKA LI1, LI2, LI3, NI PUHZ-RP200YKA POWER SUPPLY PUHZ-RP200YKAR1 LI1-LI2/LI-LI3/LI3-LI1 : AC380/400/415V input PUHZ-RP250YKA LI1-NI/LI2-NI/LI3-NI : AC220/230/240V input (Connect to the terminal block (TB1)) Connect to the earth CNAC1, CNAC2 AC220/230/240V (Connect to the Connect to the earth outdoor controller circuit board (CNAC))
Page 83 Outdoor power circuit board Brief Check of DIP-IPM and DIP-PFC PUHZ-RP35VHA4 * 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 PUHZ-RP50VHA4 are short-circuited, it means that they are broken. PUHZ-RP60VHA4 1.
Page 84 Outdoor power circuit board PUHZ-RP100VKA PUHZ-RP125VKA PUHZ-RP140VKA Connect to the outdoor controller circuit board (CN2) 1-5: Transmitting signal to outdoor controller circuit board (0-5 V DC) Connect to the outdoor 2-5: Zero cross signal (0-5 V DC) controller circuit board (CN4) 3-4: 18 V DC 6-5: 16 V DC 7-5: 16 V DC...
Page 85 Outdoor power circuit board Brief Check of POWER MODULE * Usually, they are in a state of being short-circuited if they are broken. PUHZ-RP100YKA Measure the resistance in the following points (connectors, etc.). PUHZ-RP125YKA If they are short-circuited, it means that they are broken. 1.
Page 86 Outdoor converter circuit board PUHZ-RP100YKA PUHZ-RP125YKA PUHZ-RP140YKA L1-A1 L1-IN, N-IN CK-OU Connect to the ACL1 Connect to the noise filter Connect to the CK capacitor circuit board (LO1, No) Connect to the outdoor power circuit board (CN7) L1-A2, L2-A2, L3-A2 L1-OU, L2-OU, L3-OU Connect to the ACL1, ACL2, ACL3 Connect to the outdoor power circuit board...
Page 87 Outdoor M-NET board (optional) LED3 LED4 LED3 Outdoor unit CN2M Receiving Transmitting connecting display LED5 Connect to M-NET Energizing display of Serial M-NET board communication (12V power with outdoor board supply) LED1 Switch for Energizing communication display of display between M-NET board M-NET and board (5V power...
Page 88 Action by the switch operation Type of Swich No. Function Effective timing Switch No function — — — Power failure Auto recovery No auto recovery When power supply ON automatic recovery *2 3,4,5 No function — — — Model select Following SW5-6 reference Mode select *3 Demand function...
Page 89 (2) Function of connector Action by open/ short operation Types Function Effective timing Connector Short Open Connector CN31 Start When power supply ON Emergency operation Normal Special function (a) Low-level sound priority mode (Local wiring) By performing the following modiﬁ cation, operation noise of the outdoor unit can be reduced by about 3-4 dB. The low noise mode will be activated when a commercially available timer or the contact input of an ON/OFF switch is added to the CNDM connector (option) on the control board of the outdoor unit.
Page 90 <Display function of inspection for outdoor unit> The blinking patterns of both LED1 (green) and LED2 (red) indicate the types of abnormality when it occurs. Types of abnormality can be indicated in details by connecting an optional part ‘A-Control Service Tool (PAC-SK52ST)’ to connector CNM on outdoor controller board.
Page 91 Indication Error Error Outdoor controller board Detailed Contents Inspection method code reference LED1 (Green) LED2 (Red) page Check if stop valves are open. 3 blinking 1 blinking Abnormality of comp. surface P.50 Check if connectors (TH4, TH32, LEV-A, and LEV-B) on outdoor controller thermistor (TH32) and discharging board are not disconnected.
Page 92 <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-Control Service Tool’. Operation indicator SW2 : Indicator change of self diagnosis SW2 setting...
Page 93 The black square ( ) indicates a switch position. SW2 setting 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:;...
Page 94 The black square ( ) indicates a switch position. SW2 setting Display detail Explanation for display Unit Pipe temperature / Liquid (TH3) on error -40 – 90 occurring (When the coil thermistor detects 0: or below, “–” -40 – 90 and temperature are displayed by turns.) (Example) When –15:;...
Page 95 The black square ( ) indicates a switch position. SW2 setting Display detail Explanation for display Unit 0 – 4 The number of connected indoor units (The number of connected indoor units are dis- played.) Unit 2 3 4 5 6 Capacity setting display Displayed as an outdoor capacity code.
Page 96 The black square ( ) indicates a switch position. SW2 setting Display detail Explanation for display Unit Indoor setting temperature 17 – 30 17 – 30 °C 2 3 4 5 6 Outdoor pipe temperature / 2-phase -39 – 88 (TH6) (When the temperature is 0: or less, “–”...
Page 97 The black square ( ) indicates a switch position. SW2 setting Display detail Explanation for display Unit 180 – 370 (RP35 – 140V) DC bus voltage 180 – 370 (RP35 – 140V) 300 – 750 (RP100 – 250Y) (When it is 100V or more, hundreds digit, tens 300 –...
Page 98 The black square ( ) indicates a switch position. SW2 setting Display detail Explanation for display Unit 0 – 480 LEV-C opening pulse 0~480 (When it is 100 pulse or more, hundreds digit, tens digit and ones digit are displayed by turns.) (Example) When 130 pulse;...
Page 99 The black square ( ) indicates a switch position. SW2 setting Display detail Explanation for display Unit 0 – 255 Discharge superheat on error occurring (When the temperature is 100°C or more, hundreds digit, tens digit and ones digit are displayed by 0 –...
Page 100 The black square ( ) indicates a switch position. SW2 setting Display detail Explanation for display Unit The following code will be a help to know the Controlling status of compressor operating status of unit. operating frequency • The tens digit Display Compressor operating frequency control Primary current control Secondary current control...
Page 101: Function Setting
FUNCTION SETTING 12-1. UNIT FUNCTION SETTING BY THE REMOTE CONTROLLER Each function can be set as necessary using the remote controller. The setting of function for each unit can only be done by the remote controller. Select function available from the table 1. <Table 1>...
Page 102 (2) Functions available when setting the unit number to 01-03 or AL (07 in case of wireless remote controller) • When setting functions for an indoor unit in an independent system, set the unit number to 01 referring to 4 setting the indoor unit number of Operating Procedure.
Page 103 12-1-1. Selecting functions using the wired remote controller <PAR-31MAA> <Service menu> Maintenance password is required Select "Service" from the Main menu, and press the button. Main Main menu Maintenance Initial setting *At the main display, the menu buttom and select "Service" to make the Service maintenance setting.
Page 104 <Function setting> Select "Service" from the Main menu, and press the button. Test run Input maintenance info. Function setting Check Self check Select "Function setting" with the F1 or F2 button, and press the button. Set the indoor unit refrigerant addresses and unit numbers with the F1 Function setting Ref.
Page 105 12-1-2. Selecting functions using the wired remote controller First, try to familiarize yourself with the flow of the function selection procedure. In this section, an example of setting the room temperature detection position is given. For actual operations, refer to steps Setting number Refrigerant address Unit number...
Page 106 [Operating Procedure] Check the setting items provided by function selection. If settings for a mode are changed by function selection, the functions of that mode will be changed accordingly. Check all the current settings according to steps , fill in the "Check" column in Table 1, and then change them as necessary. For factory settings, refer to the indoor unit's installation manual. Switch off the remote controller.
Page 107 12-1-3. Selecting functions using the wireless remote controller (Type C) Functions can be selected with the wireless remote controller. Function selection using wireless remote controller is available only for refriger- ant system with wireless function. Refrigerant address cannot be specified by the wireless remote controller. [Flow of function selection procedure] The flow of the function selection procedure is shown below.
Page 108 12-2. FUNCTION SELECTION OF REMOTE CONTROLLER 12-2-1. PAR-31MAA The functions of the function buttons change depending on the screen. Refer to the button function guide that appears at the bottom of the LCD for the functions they serve on a given screen.
Page 109 <Menu structure of PAR-31MAA> Press the button. MENU Main menu Move the cursor to the desired item with the buttons, and press the SELECT button. Vane · Louver · Vent. (Lossnay) High power Timer On / Off timer Auto-Off timer Filter information Error information Weekly timer...
Page 110 <Main menu list of PAR-31MAA> Setting and display items Setting details Vane · Louver · Vent. Use to set the vane angle. (Lossnay) • Select a desired vane setting from ﬁ ve different settings. Use to turn ON / OFF the louver. •...
Page 111 Setting and display items Setting details Initial setting Display Make the settings for the remote controller related items as necessary. details Clock: The factory settings are "Yes" and "24h" format. Temperature: Set either Celsius (°C) or Fahrenheit (°F). Room temp. : Set Show or Hide. Auto mode: Set the Auto mode display or Only Auto display.
Page 112 12-2-2. PAR-21MAA 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 Item 2 Item 3 (Setting content) 1.Change Language Language setting to display • Display in multiple languages is possible. ("CHANGE LANGUAGE") 2.Function limit (1) Operation function limit setting (operation lock) ("LOCKING FUNCTION")
Page 113 [Function selection flowchart] Normal display (Display when the air conditioner is not running) Setting language (English) Hold down the button and press the button for 2 seconds. Hold down the button and press the button for 2 seconds. Press the operation mode button. Press theTIMER MENU button.
Page 114: Monitoring The Operation Data By The Remote Controller
MONITORING THE OPERATION DATA BY THE REMOTE CONTROLLER 13-1. HOW TO "MONITOR THE OPERATION DATA" 13-1-1. PAR-31MAA Details on the operation data including each thermistor temperature and error history can be conﬁ rmed with the remote controller. Select "Service" from the Main menu, and press the button.
Page 115 13-1-2. PAR-21MAA • Turn on the [Monitoring the operation data] Example) Request code "004" Discharge temperature 69 Refrigerant address "00" A: Maintenance mode B: Refrigerant address C: Data display area D: Request code display area (1) Press the button for 3 seconds so that [ Maintenance mode] appears on the screen (at TEST (2) Press the button for 3 seconds to switch to [Maintenance monitor].
Page 116 13-2. REQUEST CODE LIST * Certain indoor/outdoor combinations do not have the request code function; therefore, no request codes are displayed. Description Request content Unit Remarks (Display range) Operation state Refer to 13-2-1. Detail Contents in Request Code. – Compressor-Operating current (rms) 0 –...
Page 117 Description Request content Unit Remarks (Display range) Indoor unit-Control state – Refer to 13-2-1.Detail Contents in Request Code. Outdoor unit-Control state – Refer to 13-2-1.Detail Contents in Request Code. Compressor-Frequency control state Refer to 13-2-1.Detail Contents in Request Code. – Outdoor unit-Fan control state Refer to 13-2-1.Detail Contents in Request Code.
Page 118 Description Request content Unit Remarks (Display range) Error history 1 (latest) Displays error history. (" - - " is displayed if no history is present.) Code Error history 2 (second to last) Displays error history. (" - - " is displayed if no history is present.) Code Error history 3 (third to last) Displays error history.
Page 119 Description Request content Unit Remarks (Display range) Indoor-Fan operating time 0 – 9999 1 hour (After filter is reset) Indoor-Total operating time 0 – 9999 10 hours (Fan motor ON time) Indoor fan output value (Sj value) 0 – 255 Fan control data –...
Page 120 13-2-1. Detail Contents in Request Code Example) Request code "004" Discharge temperature 69 Refrigerant address "00" A: Maintenance mode display B: Refrigerant address C: Data display area D: Request code display area [Operation state] (Request code :" 0") Relay output state Power currently Data display Display...
Page 121 [Fan control state] (Request code :" 53 ") Data display Fan step correction value by heatsink temperature overheat prevention control Fan step correction value by cool condensation temperature overheat prevention control Display Correction value - (minus) – 1 [Actuator output state] (Request code :"54") Data display Actuator output state Actuator output state...
Page 122 [Contact demand capacity] (Request code : " 61") Setting content Data display Display Setting value Setting content 100% [External input state] (Request code : "62") Input state : Input present Data display Contact demand Silent mode Spare 1 Spare 2 Display Input state input...
Page 123 [Outdoor unit switch setting display (SW1 to SW10, except SW3)] Request codes: 73 to 82 0: Switch OFF 1: Switch ON 0: Switch OFF 1: Switch ON SW1, SW2, SW6, SW7 Data display Data display 00 00 00 00 00 01 00 01 00 02 00 02...
Page 124 [Indoor unit – Model setting information] (Request code : "162" ) Data display Display Model setting state Display Model setting state PSA-RP•GA, PSH-PGAH PKA-RP•FAL(2), PKH-P•FALH See the table on the right. PEAD-RP•EA(2)/GA, PEHD-P•EAH PCA-RP·GA(2), PCH-P•GAH, PLA-RP·BA, PLA-RP71-100BA2 SEZ-KA•VA SLZ-KA•VA(L) PCA-RP•KA PCA-RP•HA PEA-RP400/500GA PEA-RP200/250GA...
Page 125: Easy Maintenance Function
EASY MAINTENANCE FUNCTION 14-1. SMOOTH MAINTENANCE 14-1-1. PAR-31MAA Maintenance data, such as the indoor/outdoor unit’s heat exchanger temperature and compressor operation current can be displayed with “Smooth maintenance”. * This cannot be executed during test operation. * Depending on the combination with the outdoor unit, this may not be supported by some models. Select "Service"...
Page 126 ● 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 for inverter models. Smooth Mainte- Discharge temperature 64 ●...
Page 127 ● Data measurement When the operation is stabilized, measure operation data as explained below. (4) Press the [TEMP] buttons ( ) to select the desired refrigerant address. [Screen (5) Select the type of data to be displayed. After selecting, go to step (6). Compressor information button MENU...
Page 128 14-3. GUIDE FOR OPERATION CONDITION Check Points Inspection item Result Breaker Good Retightened Enter the temperature differences between into Terminal block Outdoor Unit Good Retightened the graph given below. Indoor Unit Good Retightened Operation state is determined according to the plotted areas on (Insulation resistance) the graph.
Page 129 14-4. INITIAL SETTINGS FOR REFRIGERANT LEAKAGE DETECTION FUNCTION (except RP200/250) ■ Remote controller button position This air conditioner (Outdoor unit) can detect refrigerant leakage which may happen during a long period of use. In order to enable the leakage detection, the following settings are required to let the unit memorize the initial condition (initial refregerant amount).
Page 130 3. How to start "Judgment of refrigerant leakage " mode. To know the current condition of refrigerant amount, same operation must be performed. Please repeat the same procedure as when "Initial learning operation" for "Checking operation". Press CLOCK button and select the [GAS LEAK JUDGE] Refrigerant leakage Refrigerant leakage detection...
Page 131: Disassembly Procedure
DISASSEMBLY PROCEDURE PUHZ-RP35VHA4 PUHZ-RP50VHA4 OPERATING PROCEDURE PHOTOS 1. Removing the top panel, service panel, front panel and Photo 1 Top panel back panel Top panel (1) Remove the top panel fixing screws (1 for right, 2 for left, fixing screws 4 ×...
Page 132 OPERATING PROCEDURE PHOTOS 3. Removing the electrical parts box Photo 5 (1) Remove the service panel. (See Photo 2) (2) Remove the top panel. (See Photo 1) Electrical parts box Controller circuit (3) Remove the front panel. (See Photo 1) board (C.B.) (4) Disconnect the indoor/outdoor connecting wire from Terminal...
Page 133 OPERATING PROCEDURE PHOTOS 5. Removing the thermistor <Ambient> (TH7) Photo 7 Thermistor <Ambient> (1) Remove the service panel. (See Figure 1) Electrical parts box (TH7) (2) Remove the top panel. (See Figure 1) (3) Disconnect the connector TH7 (red) on the controller circuit board in the electrical parts box.
Page 134 OPERATING PROCEDURE PHOTOS 8. Removing the 4-way valve Photo 10 (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.
Page 135 OPERATING PROCEDURE PHOTOS 12. Removing the compressor (MC) Photo 13 (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.
Page 136 PUHZ-RP60VHA4 PUHZ-RP71VHA4 OPERATING PROCEDURE PHOTOS & ILLUSTRATION 1. Removing the service panel and top panel Top panel fixing screws Photo 1 (1) Remove the service panel fixing screws (3 for front, 5 × 12) Top panel and slide the hook on the right downward to remove the service panel.
Page 137 OPERATING PROCEDURE PHOTOS 4. Removing the thermistor <Outdoor 2-phase pipe> (TH6) Photo 5 Thermistor (1) Remove the service panel. (See Photo 1) <Outdoor 2-phase pipe> (2) Remove the top panel. (See Photo 1) (TH6) Electrical parts box (3) Disconnect the connector TH7/6 (red) on the controller Controller circuit board circuit board in the electrical parts box.
Page 138 OPERATING PROCEDURE PHOTOS 7. Removing the 4-way valve coil (21S4), LEV coil (LEV(A), Photo 8 LEV(B)) 4-way valve coil 4-way valve (1) Remove the service panel. (See Photo 1) fixing screw (2) Remove the top panel. (See Photo 1) (3) Remove the electrical parts box. (See Photo 5) [Removing the 4-way valve coil] (4) Remove 4-way valve coil fixing screw (M4 ×...
Page 139 OPERATING PROCEDURE PHOTOS 10. Removing the high pressure switch (63H) Photo 9 (1) Remove the service panel. (See Photo 1) (2) Remove the top panel. (See Photo 1) Lead wire of (3) Remove the electrical parts box. (See Photo 4) high pressure switch (4) Remove the side panel (R) fixing screws (3 for rear, 5 ×...
Page 140 OPERATING PROCEDURE PHOTOS 12. Removing the compressor (MC) Photo 11 (1) Remove the service panel. (See Photo 1) (2) Remove the top panel. (See Photo 1) (3) Remove the cover panel (front) fixing screws (2 for front, 5 × 12) and remove the cover panel (front). (See Photo 12) (4) Remove the cover panel (rear) fixing screws (2 for rear, 5 ×...
Page 141 PUHZ-RP100VKA PUHZ-RP125VKA PUHZ-RP140VKA OPERATING PROCEDURE PHOTOS & ILLUSTRATION 1. Removing the service panel and top panel Photo 1 (1) Remove the service panel fixing screws (3 for front, 5 × 12) and slide the hook on the right downward to remove the Top panel Top panel fixing screws service panel.
Page 142 OPERATING PROCEDURE PHOTOS 4. Removing the thermistor <Outdoor 2-phase pipe> (TH6) Photo 5 Thermistor <Outdoor (1) Remove the service panel. (See Photo 1) Controller 2-phase pipe>(TH6) (2) Remove the top panel. (See Photo 1) circuit board (C.B.) (3) Disconnect the connector TH7/6 (red), on the controller circuit board in the electrical parts box.
Page 143 OPERATING PROCEDURE PHOTOS 7. Removing the 4-way valve coil (21S4), LEV coil (LEV(A), Figure 1 (PUHZ-RP100/125VKA) LEV(B)) 4-way valve coil (21S4) 4-way valve (1) Remove the service panel. (See Photo 1) (2) Remove the top panel. (See Photo 1) (3) Remove the electrical parts box. (See Photo 4) [Removing the 4-way valve coil] (4) Remove 4-way valve coil fixing screw (M4 ×...
Page 144: Removing The Compressor (Mc)
OPERATING PROCEDURE PHOTOS 10. Removing the high pressure switch (63H) Photo 9 (PUHZ-RP140VKA) (1) Remove the service panel. (See Photo 1) Reactor (2) Remove the top panel. (See Photo 1) (DCL) (3) Remove the side panel (R). (See Photo 1) (4) Pull out the lead wire of high pressure switch.
Page 145: 13. Removing The Power Receiver
OPERATING PROCEDURE PHOTOS 13. Removing the power receiver Photo 11 (1) Remove the service panel. (See Photo 1) (2) Remove the top panel. (See Photo 1) (3) Remove the cover panel (front). (See Photo 1) Inlet (4) Remove the cover panel (rear). (See Photo 1) (5) Remove the electrical parts box.
Page 146: Photo 1
PUHZ-RP100YKA PUHZ-RP125YKA PUHZ-RP140YKA OPERATING PROCEDURE PHOTOS & ILLUSTRATION 1. Removing the service panel and top panel Top panel Photo 1 Top panel fixing screws (1) Remove the service panel fixing screws (3 for front, 5 × 12) and slide the hook on the right downward to remove the Service panel service panel.
Page 147 PHOTOS & ILLUSTRATION OPERATING PROCEDURE From the previous page. Photo 5 (8) Remove the terminal cover and disconnect the compressor lead wire. (9) Remove the electrical parts box fixing screws (2 for front, Electrical parts box 4 × 10) and detach the electrical parts box by pulling it upward.
Page 148 PHOTOS OPERATING PROCEDURE 5. Removing the thermistor <Outdoor 2-phase pipe> (TH6) Photo 11 Thermistor (1) Remove the service panel. (See Photo 1) <Outdoor 2-phase pipe>(TH6) Electrical parts box (2) Remove the top panel. (See Photo 1) (3) Disconnect the connector TH7/6 (red), on the controller circuit board in the electrical parts box.
Page 149 OPERATING PROCEDURE PHOTOS 8. Removing the 4-way valve coil (21S4), and LEV coil (LEV(A), Photo 15 LEV(B)) (1) Remove the service panel. (See Photo 1) 4-way valve (2) Remove the top panel. (See Photo 1) (3) Remove the electrical parts box. (See Photo 5) [Removing the 4-way valve coil] 4-way valve coil (21S4)
Page 150 OPERATING PROCEDURE PHOTOS 12. Removing the reactors (ACL1, ACL2, ACL3) Photo 16 (1) Remove the service panel. (See Photo 1) (2) Remove the reactor box fixing screws. (2 for front, 2 for rear, 4 × 10). (3) Disconnect the lead wires from the reactor. (See Photo 17) (4) Remove each fixing screws (2 for front, 2 for rear, 4 ×...
Page 151 OPERATING PROCEDURE PHOTOS 13. Removing the compressor (MC) Photo 18 (1) Remove the service panel. (See Photo 1) (2) Remove the top panel. (See Photo 1) (3) Remove the cover panel (front) fixing screws (2 for front, 5 × 12) and remove the cover panel (front). (See Photo Valve bed Valve (4) Remove cover panel (rear) fixing screws (4 for rear, 5 ×...
Page 152 PUHZ-RP200YKA PUHZ-RP200YKAR1 PUHZ-RP250YKA OPERATING PROCEDURE PHOTOS & ILLUSTRATION 1. Removing the service panel and top panel Photo 1 Top panel Top panel fixing screws (1) Remove the service panel fixing screws (3 for front, 5 × 12) and slide the hook on the right downward to remove the Service panel service panel.
Page 153 PHOTOS OPERATING PROCEDURE 4. Removing the thermistor <Outdoor 2-phase pipe> (TH6) Photo 5 Thermistor (1) Remove the service panel. (See Photo 1) <Outdoor 2-phase pipe>(TH6) (2) Remove the top panel. (See Photo 1) (3) Disconnect the connector TH7/6 (red), on the controller Electrical circuit board in the electrical parts box.
Page 154 OPERATING PROCEDURE PHOTOS 7. Removing the 4-way valve coil (21S4) and linear expan- Figure 1 sion valve coil (LEV-A, LEV-B) (1) Remove the service panel. (See Photo 1) (2) Remove the top panel. (See Photo 1) Linear expansion valve (3) Remove the electrical parts box. (See Photo 4) 4-way valve [Removing the 4-way valve coil] (4) Remove 4-way valve coil fixing screw (M4 ×...
Page 155 OPERATING PROCEDURE PHOTOS 10. Removing the high pressure switch (63H) (63H1) (63H2) Photo 9 (PUHZ-RP200YKA/RP200YKAR1) (1) Remove the service panel. (See Photo 1) (2) Remove the top panel. (See Photo 1) (3) Remove the side panel (R) fixing screws (3 for rear, 5 × 10) in the rear of the unit and remove the side panel (R) .
Page 156 Outlet pipe Power receiver HEAD OFFICE : TOKYO BLDG., 2-7-3, MARUNOUCHI, CHIYODA-KU, TOKYO 100-8310, JAPAN CCopyright 2009 MITSUBISHI ELECTRIC CORPORATION Distributed in May 2013 No.OCH451 REVISED EDITION-D Distributed in Nov. 2012 No.OCH451 REVISED EDITION-C Distributed in Jul. 2011 No.OCH451 REVISED EDITION-B New publication, effective May 2013 Distributed in Jan.
Page 157 Related Links Model Number: PUHZ-RP71VHA4 Chapelford Primary School, Mr Slim Split Systems, Cheshire PUHZ-RP35-250_Declaration_of_Conformity_(CE2010A42) PUHZ-RP35-250_Installation_Manual_(BH79D132H02) PUHZ-RP35-250_Parts_Catalog_(OCB451D) PUHZ-RP35-250_Service_Manual_(OCH451D)

Mitsubishi Electric Mr Slim PUHZ-RP50VHA4 Service Manual

Split-Type, Heat Pump Air Conditioners May 2013 Service Manual R410A

Operating Procedure Photos

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Summary of Contents for Mitsubishi Electric Mr Slim PUHZ-RP50VHA4

Page 1: Table Of Contents

Page 2: Technical Change

Page 3: Safety Precaution

Page 7: Features

Page 8: Specifications

Page 11: Data

Page 17: Outlines And Dimensions

Page 21: Wiring Diagram

Page 27: Wiring Specifications

Page 32: Refrigerant System Diagram

Page 36: Troubleshooting

Page 101: Function Setting

Page 114: Monitoring The Operation Data By The Remote Controller

Page 125: Easy Maintenance Function

Page 131: Disassembly Procedure

Page 144: Removing The Compressor (Mc)

Page 145: 13. Removing The Power Receiver

Page 146: Photo 1

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Mitsubishi Electric Mr Slim PUHZ-RP50VHA4 Service Manual

Split-Type, Heat Pump Air Conditioners May 2013 Service Manual R410A

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Summary of Contents for Mitsubishi Electric Mr Slim PUHZ-RP50VHA4

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Table of Contents