Page 2 - TECHNICAL CHANGES; The starting temperature of FLASH INJECTION is settable.
2 1 TECHNICAL CHANGES PUHZ-HRP100VHA2R1 PUHZ-HRP100VHA2R2 • Outdoor controller board (C.B.) has been changed. (S/W version up) PUHZ-HRP 71VHA2 PUHZ-HRP 71VHA2R1 PUHZ-HRP100VHA2 PUHZ-HRP100VHA2R1 PUHZ-HRP100YHA2 PUHZ-HRP100YHA2R1 PUHZ-HRP125YHA2 PUHZ-HRP125YHA2R1 • Replace fi lter has been deleted.• ...
Page 3 - REFERENCE MANUAL; Model name
3 2 REFERENCE MANUAL 2-1. INDOOR UNIT SERVICE MANUAL Model name Service Ref. Service Manual No. PLA-RP35/50/60/71/100/125BAPLA-RP100/125/140BA2 PLA-RP35/50/60/71/100/125BA (1) .UK PLA-RP35/50/60/71/100/125BA#2.UKPLA-RP35/50/60/71BAR3.UKPLA-RP100/125/140BA2.UK OCH412 OCB412 PLA-RP100BA3 PLA-RP100BA3 ...
Page 4 - SAFETY PRECAUTION; Cautions for units utilizing refrigerant R410A; Handle tools with care.; Never use any refrigerant other than that specified.; Do not use refrigerant other than R410A.; Preparation before the repair service.; exercise great caution not to touch the live parts.
4 3 SAFETY PRECAUTION 3-2. CAUTIONS RELATED TO NEW REFRIGERANT Cautions for units utilizing refrigerant R410A Use a vacuum pump with a reverse flow check valve. Vacuum pump oil may flow back into refrigerant cycle and that can cause deterioration of refrigerant oil etc. Use the following tools speci...
Page 5 - [4] Refrigerant leakage detection function; Be sure to use a filter drier for new refrigerant.
5 Gravimeter Unit [3] Service tools Use the below service tools as exclusive tools for R410A refrigerant. [4] Refrigerant leakage detection function This air conditioner can detect refrigerant leakage which may happen during a long period of use. In order to enable the leakage detection, settings ar...
Page 6 - -3. PRECAUTIONS WHEN REUSING EXISTING R22 REFRIGERANT PIPES; Connecting a new air conditioner; If existing pipes were used
6 3-3. PRECAUTIONS WHEN REUSING EXISTING R22 REFRIGERANT PIPES (1) Flowchart Connecting a new air conditioner Flaring work should be done so that flare meets the dimension for R410A. Use flare nut provided with indoor and outdoor unit. When using gas piping of : 19.05mm for HRP100, 125. Make sure th...
Page 8 - FEATURES; HIGH HEATING CAPACITY; quickly in 10 minutes. With industry-first shorter and less; WIDE HEATING RANGE; The heating range is expanded to -25; REFRIGERANT LEAKAGE DETECTION FUNCTION; Performance; Expanded
8 4 FEATURES HIGH HEATING CAPACITY Industry-first flash injection circuit is equipped, which enables to keep the equal capacity with the rating even when outside tem-perature is -15 : . HIGH SPEED HEATING START UP The performance of heating start up is improved. Compared to RP type, Zubadan reduced ...
Page 9 - SPECIFICATIONS
9 A kW W kW * /min(CFM) dBdB mm(in.)mm(in.)mm(in.) kg(lbs) kg(lbs) L mm(in.)mm(in.) Power supply (phase, cycle, voltage) Max. current External finish Refrigerant control Compressor Model Motor output Starter type Protection devices Crankcase heaterHeat exchanger Fan Fan(drive) % No. Fan motor output...
Page 10 - DATA; Factory
10 6 DATA 6-1. REFILLING REFRIGERANT CHARGE (R410A : kg) 6-2. COMPRESSOR TECHNICAL DATA Piping length (one way) 10m 20m 30m 40m 50m Factory charged 5.1 5.1 5.1 5.3 5.3 5.3 5.5 5.5 5.5 6.1 6.1 6.1 6.7 6.7 6.7 60m 7.3 7.3 7.3 75m 7.9 7.9 7.9 5.5 5.5 5.5 Service Ref. PUHZ-HRP71VHAPUHZ-HRP71VHA2PUHZ-HRP...
Page 11 - MICROPHONE
11 6-3. NOISE CRITERION CURVES 90 80 70 60 50 40 30 20 10 63 125 250 500 1000 2000 4000 8000 APPROXIMATE THRESHOLD OF HEARING FOR CONTINUOUS NOISE OCT A VE BAND SOUND PRESSURE LEVEL, dB (0 dB = 0.0002 μ bar) BAND CENTER FREQUENCIES, Hz NC-60 NC-50 NC-40 NC-30 NC-20 NC-70 PUHZ-HRP71VHAPUHZ-HRP100VHAP...
Page 13 - OUTLINES AND DIMENSIONS; Example of Notes; HRP·VHA; PIPING-WIRING DIRECTIONS
13 7 OUTLINES AND DIMENSIONS Handle for moving Side Air Intake Front piping cover Rear piping cover Air intake Rear Air Intake 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 Inta...
Page 14 - HRP·VHA2
14 PUHZ-HRP71VHA2(R1)PUHZ-HRP100VHA2(R1/R2)PUHZ-HRP100YHA2(R1)PUHZ-HRP125YHA2(R1) Unit : mm Handle for mo ving Side Air Intak e Front piping co ver Rear piping co ver Air intak e Rear Air Intak e Handle for mo ving Air Discharge Rear Air Intak e Side Air Intak e ···Refr iger ant GAS pipe connection ...
Page 15 - WIRING DIAGRAM
15 PUHZ-HRP71VHA PUHZ-HRP100VHA TB1MCMF1, MF221S463H TH3 TH4TH6TH7TH8LEV-A, LEV-B,LEV-CDCL Terminal Block<Power Supply, Indoor/Outdoor>Motor for CompressorFan Motor Solenoid Valve (Four-Way Valve)High Pressure Switch SV 63L Low Pressure SwitchSolenoid Valve (Bypass Valve)Thermistor<Liquid&g...
Page 21 - WIRING SPECIFICATIONS; Electrical wiring; • Synchronized twin; Outdoor Unit
21 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 N Earth leakage breaker Wiring circuit breaker or isolating switch Earth leakage breaker Wiring c...
Page 22 - Simultaneous twin system
22 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 S1S2 L N 12 L N S1S2S3 12 L N S1S2S3 S3 * Affix a label B that...
Page 23 - * The optional indoor power supply terminal kit is necessary.
23 9-3. INDOOR – OUTDOOR CONNECTING CABLE The cable shall not be lighter than design 60245 IEC or 60227 IEC. * 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 % 1.5 (polar) 1 % Min. 1.5 Ma...
Page 25 - shield wire for electric wires.
25 9-4-3. Regulations in address settings In the case of multiple grouping system, M-NET and refrigerant address settings should be done as explained in the above section. Set the lowest number in the group for the outdoor unit whose refrigerant address is “00” as its M-NET address. * Refrigerant ad...
Page 26 - REFRIGERANT SYSTEM DIAGRAM
26 10 REFRIGERANT SYSTEM DIAGRAM PUHZ-HRP71VHA PUHZ-HRP71VHA2PUHZ-HRP100VHA PUHZ-HRP100VHA2 PUHZ-HRP100YHA PUHZ-HRP100YHA2PUHZ-HRP125YHA PUHZ-HRP125YHA2 Distributor Thermistor TH7 (Ambient) Heat exchanger Refrigerant GAS pipe connection (5/8 inch) Refrigerant LIQUID pipe connection (3/8 inch) Stop v...
Page 27 - Replacement operation procedures; Stop
27 10-1. Refrigerant recovering (pump down) Perform the following procedures to recover the refrigerant while operating the indoor unit or the outdoor unit. 1 Turn on the power supply (circuit breaker). * When power is supplied, make sure that “CENTRALLY CONTROLLED” is not displayed on the remote co...
Page 28 - TROUBLESHOOTING; leakage, loosened connections and incorrect polarity.
28 11 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 depend...
Page 29 - Test run operation; Function buttons; MENU RETURN SELECT
29 F1 F2 F3 F4 u n e m e c i v r e S r o s r u C : u n e m n i a M Test run Input maintenance info. Function setting Check Self check F1 F2 F3 F4 Test run menu Cursor Service menu: Test run Drain pump test run 1 Select "Service" from the Main menu, and press the button. 2 Select "Test ru...
Page 31 - Error history
31 F1 F2 F3 F4 Main Main display: Cursor Page Main menu Restriction Energy saving Night setback Filter information Error information blinks While no errors are occurring, page 2/2 of the error information can be viewed by selecting "Error information" from the Main menu.Errors cannot be rese...
Page 32 - Remote Controller Display; Cause; • Incorrect connection of outdoor terminal block (L; Operating procedures; Fb; LCD; FFFF; Flashes when indoor and outdoor unit are communicating.
32 [TEST] button Pipe (liquid) temperature Displays the remainingtest run time. "TEST RUN" and the currently selectedoperation mode are displayed alternately. • In the case of test run, the OFF timer will be activated, and the test run will automatically stop after 2 hours.• The room tempera...
Page 33 - Test run for wireless remote controller; while following steps
33 ON/OFF TEMP FAN VANE MODE CHECK LOUVER TEST RUN AUTO STOP AUTO START h min TEST RUN RESET SET CLOCK , 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 g...
Page 34 - When there is no error history; Resetting the error history.; Navigating through the screens; button
34 F1 F2 F3 F4 u n e m e c i v r e S r o s r u C : u n e m n i a M Test run Input maintenance info. Function setting Check Self check k c e h c fl e S :t c e l e S Ref. address s s e r d d A k c e h c fl e S Ref. address Return: t e s e R Error Unt # C I. p r G Self check Contact Return: Reset M-NET...
Page 35 - ton to start the remote controller check and see the check results.; Remote controller check results screen; If the
35 * If operations cannot be completed with the remote controller, diagnose the remote controller with this function. F1 F2 F3 F4 u n e m e c i v r e S r o s r u C : u n e m n i a M Maintenance password Remote controller check F1 F2 F3 F4 Remote controller check : n i g e B Start checking? Remote co...
Page 36 - CHECK; [CHECK] and the refrigerant address are displayed on the
36 11-3-3. Self-diagnosis <PAR-21MAA> ON/OFF When using remote-/local-controller combined operation, cancel the error code after turning off remote operation. Duringcentral control by a MELANS controller, cancel the error code by pressing the ON/OFF button. 11-3-4. Self-diagnosis during mainte...
Page 37 - FILTER
37 Transmission data from remote controllerTransmission data on transmission path When the number of data errors is "02": 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 like ...
Page 38 - Malfunction-diagnosis method at maintenance service>
38 • "CHECK" lights, and refrigerant address "00" blinks. • Check that the remote controller's dis- play has stopped before continuing. • Select the refrigerant address of the indoor unit for the self-diagnosis. Note: Set refrigerant address using the outdoor unit’s DIP switch (SW1)....
Page 40 -
40 11-4. SELF-DIAGNOSIS ACTION TABLE <Abnormalities detected when the power is turned on> (Note 1) Refer to indoor unit section for code P and code E. Error Code Abnormal point and detection method Case Judgment and action None — 1 No voltage is supplied to terminal block (TB1) of outdoor unit...
Page 42 - ; High discharging temperature
42 Error Code Abnormal point and detection method Judgment and action U1 (1302) High pressure (High-pressure switch 63H operated) Abnormal if high-pressure switch 63H operated ( * ) during compressor operation. * 4.15 MPa 63H: High-pressure switch 1 Short cycle of indoor unit 2 Clogged filter of ind...
Page 44 - Continue to the next page.
44 Error Code Abnormal point and detection method Case Judgment and action U9 (4220) Detailed codes To find out the details about U9 error, turn ON SW2-1, 2-2, 2-3, 2-4, 2-5, 2-6 when U9 error occurs.To find out the detail history (latest) about U9 error, turn ON SW2-1, 2-2, 2-6.Refer to 11-10. 01 O...
Page 45 - From the previous page.
45 UF (4100) Compressor overcurrent interruption (When compressor locked) Abnormal if overcurrent of DC bus or compressor is detected within 30 seconds after compressor starts operating. 1 Stop valve is closed. 2 Decrease of power supply voltage 3 Looseness, disconnection or converse of compressor w...
Page 50 - Continued to the next page.; Error Code
50 Continued to the next page. Error Code Abnormal point and detection method Case Judgment and action A7 (6607) NO ACK signal 1. Transmitting side controller detects abnormal if a message was transmitted but there is no reply (ACK) that a mes-sage was received. Transmitting side detects abnormality...
Page 55 - Symptoms: Nothing is displayed on the remote controller
55 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 56 - Check the status
56 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 63 - PRESSURE; SENSOR
63 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 checkSymptom : The outdoor ...
Page 65 -
65 <Output pulse signal and the valve operation> (2) Linear expansion valve operation Open Extra tightening (about 32 pulse) Pulse number 500 pulse Opening a valve all 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 → 4 →...
Page 66 - (3) How to attach and detach the coil of linear expansion valve
66 Main body Lead wire Stopper Coil Be sure to attach the stopper. A (3) How to attach and detach the coil of linear expansion valve <Composition>Linear expansion valve is separable into the main body and the coil as shown in the diagram below. <How to detach the coil> Hold the lower par...
Page 67 - (2) Check the following items and cautions for emergency operation; Turn the main power supply off.
67 11-8. EMERGENCY OPERATION (1) When the error codes shown below are displayed on outdoor unit or microprocessor 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 indoo...
Page 68 - (5) Operation data during emergency operation
68 (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 data Intake temperature (TH1) Indoor pipe temperature (TH2) Indoor 2-phase pipe temperatu...
Page 72 - CNDC
72 Outdoor noise filter circuit boardPUHZ-HRP100YHAPUHZ-HRP100YHA2PUHZ-HRP100YHA2R1PUHZ-HRP125YHAPUHZ-HRP125YHA2PUHZ-HRP125YHA2R1 LO1, LO2, LO3POWER SUPPLY LO1-LO2/LO2-LO3/LO3-LO1 : AC380/400/415V OUTPUT(Connect to the outdoor power circuit board (TB-L1, L2, L3)) CNCTPrimary current (Connect to the ...
Page 73 - Check of diode bridge
73 Outdoor power circuit boardPUHZ-HRP71VHAPUHZ-HRP100VHA Brief Check of POWER MODULE* 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 ...
Page 74 - Connect to DCL; Connect to the earth
74 Outdoor power circuit boardPUHZ-HRP71VHA2PUHZ-HRP71VHA2R1PUHZ-HRP100VHA2PUHZ-HRP100VHA2R1PUHZ-HRP100VHA2R2 CNAC1, CNAC2 220-240 V ACConnect to the out-door controller circuit board (CNAC) NI, LI Voltage of 220-240 V AC is input (Connect to the terminal block (TB1)) EI, E4 Connect to the earth DCL...
Page 77 - Load; Connection and internal circuit diagram
77 + – + DCL L1 L2 ACTM P Io N1N2 (+) (- ) Load Connection and internal circuit diagram L1, L2Connect to the DCL (Reactor) Connect to the outdoor power circuit board (TABP1) N2Non-connect N1Non-connect PConnect to the outdoor power circuit board (TABP2) Connect to the outdoor power circuit board (CN...
Page 79 - Model select
79 MODEL SW6 1 2 3 6 4 7 4 5 8 OFF ON 71V 1 2 3 6 4 7 4 5 8 OFF ON 100V SW5-6 1 2 3 4 5 6 OFF ON 1 2 3 4 5 6 OFF ON 1 2 3 6 4 7 4 5 8 OFF ON 100Y 1 2 3 6 4 7 4 5 8 OFF ON 125Y 1 2 3 4 5 6 OFF ON 1 2 3 4 5 6 OFF ON MODEL SW6 SW5-6 1 2 3,4,5 6 3 45612 3,4 123456786 ON OFF No. Function Effective timing...
Page 80 - Special function; CNDM
80 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 time...
Page 83 - Operation indicator SW2 : Indicator change of self diagnosis; SW2 setting; Display detail; Operation mode display.; Display during error postponement
83 <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-...
Page 86 - Code; Single phase / 3 phase
86 SW2 setting 1 ON 2 3 4 5 6 Display detail Explanation for display Unit Capacity setting display Displayed as an outdoor capacity code. Code display 1 ON 2 3 4 5 6 1 ON 2 3 4 5 6 Outdoor unit setting information Indoor pipe temperature / Liquid (TH2(1))Indoor 1– 39~88 Code display : – 39~88(When t...
Page 87 - Input current of outdoor unit
SW2 setting Display detail Explanation for display Unit The black square ( ■ ) indicates a switch position. 87 1 ON 2 3 4 5 6 °C Discharge superheat SHd0~255 Cooling = TH4-TH6 (V/YHA) Heating = TH4-TH5 Cooling = TH4-T 63HS (V/YHA2) Heating = TH4-T 63HS 0~255(When the temperature is 100°C or more, hu...
Page 89 - Pulse
89 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 tempera...
Page 90 - When there is no indoor unit, “00” is displayed.
90 SW2 setting Display detail Explanation for display Unit : 0~255(When the temperature is 100°C or more, hundreds digit, tens digit and ones digit are displayed by turns.)(Example) When 150°C; 0.5 secs. 0.5secs. 2 secs. 0~130(When the temperature is 100°C or more, hundreds digit, tens digit and one...
Page 92 - FUNCTION SETTING; Function; 2-1. UNIT FUNCTION SETTING BY THE REMOTE CONTROLLER; No.1 Average data of the
92 12 FUNCTION SETTING Function Settings Mode No. Setting No. : Initial setting (when sent from the factory) Remarks Power failure automatic recovery Indoor temperature detecting *1 LOSSNAY connectivity Power supply voltage Frost prevention temperature Humidifier control (Heating mode) Change of def...
Page 94 - If the password matches, the Service menu will appear.
94 Main Main display: Cursor Page Main menu Maintenance Initial setting Service F1 F2 F3 F4 Service menu Cursor Select: Enter maintenance password u n e m e c i v r e S u n e m e c i v r e S r o s r u C r o s r u C : u n e m n i a M : u n e m n i a M Test run Input maintenance info. Function setting...
Page 95 - Function setting; Function setting; Note: • Make the above settings only on Mr. Slim units as necessary.
95 F1 F2 F3 F4 u n e m e c i v r e S r o s r u C : u n e m n i a M Test run Input maintenance info. Function setting Check Self check F1 F2 F3 F4 Function setting Cursor Address Monitor: Ref. address Unit No. Grp. /1/2/3/4/All Function setting Cursor Cursor Request: Ref. address Mode 1 Mode 2 Mode 3...
Page 98 - Flow of function selection procedure
98 ON/OFF TEMP FAN VANE MODE CHECK LOUVER TEST RUN AUTO STOP AUTO START h min CHECK RESET SET CLOCK ON/OFF button Check button HOUR button MINUTE button Flow of function selection procedure The flow of the function selection procedure is shown below. This example shows how to turn off the function t...
Page 99 - Function guide; 2-2. FUNCTION SELECTION OF REMOTE CONTROLLER
99 Function buttons F1 F2 F3 F4 Press to turn ON/OFF the indoor unit. ON / OFF button When the backlight is off, pressing any button turns the backlight on and does not perform its function. (except for the (ON / OFF) button) The functions of the function buttons change depending on the screen. Refe...
Page 100 - Press the; Move the cursor to the desired item with the
100 Not all functions are available on all models of indoor units. Night setback Energy saving Auto return Schedule Error information Filter information Main menu Press the MENU button. Move the cursor to the desired item with the F1 and F2 buttons, and press the SELECT button. Vane · Louver · Vent....
Page 105 - MONITORING THE OPERATION DATA BY THE REMOTE CONTROLLER; ) Relay output state
105 13 MONITORING THE OPERATION DATA BY THE REMOTE CONTROLLER Details on the operation data including each thermistor temperature and error history can be confi rmed with the remote controller. F1 F2 F3 F4 Check menu Cursor Service menu: Error history Refrigerant volume check Refrigerant leak check ...
Page 106 - Discharge temperature 69
106 • Turn on the [Monitoring the operation data] (1) (2) (3) (4) (5) (6) (7) (1) Press the TEST button for 3 seconds so that [ Maintenance mode] appears on the screen (at ). (2) Press the CHECK button for 3 seconds to switch to [Maintenance monitor]. Note) It is not possible to switch to [Maintenan...
Page 116 - EASY MAINTENANCE FUNCTION
116 14 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 c...
Page 117 - Reduces maintenance work drastically.; Switching to maintenance mode; Remote controller button information; TEST; button for 3 seconds to switch to maintenance mode.; Fixed Hz operation; button to select the desired operation mode.; ] Waiting for stabilization; Stabilized; Discharge temperature 64; Conventional inspection work
117 L Reduces maintenance work drastically. L 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 models. 14-2. MAINTENANCE MOD...
Page 118 - Data measurement; Display
118 L Data measurement When the operation is stabilized, measure operation data as explained below. (4) Press the [TEMP] buttons ( and ) to select the desired refrigerant address. [Screen ] (5) Select the type of data to be displayed. After selecting, go to step (6). Compressor information MENU butt...
Page 119 - Check Points; Enter the temperature differences between; Classification; Result; It may be changed depending on the indoor and outdoor temperature.
119 14-3. 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 Accumulated operating time Time Number of ON/OFF times Times Current...
Page 120 - 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; How to finish the initial learning; Press button for more than 3 seconds to cancel the initial leaning.
120 14-4. INITIAL SETTINGS FOR REFRIGERANT LEAKAGE DETECTION FUNCTION Operation mode Compressor information Outdoor unit information Indoor unit information Confirm N Remote controller button position Stabilized After 45 minutes This air conditioner (Outdoor unit) can detect refrigerant leakage whic...
Page 122 - Photo 1; DISASSEMBLY PROCEDURE; Removing the service panel and top panel; cuit board in electrical parts box.; Removing the electrical parts box; supply wire from the terminal block.
122 OPERATING PROCEDURE PHOTOS & ILLUSTRATION PUHZ-HRP71VHA PUHZ-HRP71VHA2 PUHZ-HRP71VHA2R1 PUHZ-HRP100VHA PUHZ-HRP100VHA2 PUHZ-HRP100VHA2R1 PUHZ-HRP100VHA2R2 Fan motor fixing screws Photo 1 Fan motor Fan motor fixing screws Propeller Front panel Nut Photo 2 Photo 3 Electrical parts box Controll...
Page 123 - Photo 4; Sensor holder; Photo 5; Clamp
123 OPERATING PROCEDURE PHOTOS Photo 4 Photo 7 Photo 6 Clamp(for TH3) Thermistor <Liquid> (TH3) Power receiver Sensor holder Photo 5 Photo 8 Clamp Heat exchanger Thermistor <Outdoor 2-phase pipe> (TH6) Electrical parts box Clamp Muffler Separator Compressor (MC) Lead wire ofthermistor &l...
Page 124 - [Removing the linear expansion valve coil]; (4) Remove the linear expansion valve coil by sliding the coil; Note 3: When installing the 4-way valve, cover it with a wet; Terminal cover
124 OPERATING PROCEDURE PHOTOS 4-way valve coil(21S4) Photo 9 (PUHZ-HRP71/100VHA) 4-way valve Linear expansion valve coil (LEV-C) Linear expansion valve coil (LEV-B) 4-way valve coil fixing screw Linear expansion valve coil (LEV-A) Linear expansion valve Linear expansion valve Low pressure switch (6...
Page 125 - cuit board in the electrical parts box.; Figure 3
125 OPERATING PROCEDURE PHOTOS 11. Removing bypass valve coil (SV) and bypass valve (Only for PUHZ-HRP·V/YHA, PUHZ-HRP·V/YHA2) (1) Remove the service panel. (See Figure 1)(2) Remove the top panel. (See Figure 1)(3) Remove the side panel (R) fixing screws (3 for rear, 5 × 12) in the rear of the unit ...
Page 126 - Note: Recover refrigerant without spreading it in the air.
126 OPERATING PROCEDURE PHOTOS Photo 12 Compressor (MC) Valve bed Separator Power receiver Photo 14 Compressor fixing nuts Receiver leg fixing screws Power receiver Receiver leg Compressor (MC) Pipes of power receiver 14. Removing the compressor (MC) (1) Remove the service panel. (See Figure 1)(2) R...
Page 127 - Photo 3; circuit board in electrical parts box.; supply wire from terminal block.
127 OPERATING PROCEDURE PHOTOS & ILLUSTRATION PUHZ-HRP100YHA PUHZ-HRP100YHA2 PUHZ-HRP100YHA2R1 PUHZ-HRP125YHA PUHZ-HRP125YHA2 PUHZ-HRP125YHA2R1 Photo 3 Noise filter circuit board (N.F.) Photo 1 Propeller Front panel Nut Figure 1 (PUHZ-HRP100/125YHA) Top panel fixing screws Top panel Service pane...
Page 128 - Disassembling the electrical parts box
128 OPERATING PROCEDURE PHOTOS & ILLUSTRATION Photo 4 Electrical parts box Screw 1 Controller circuit board (C.B.) Photo 5 Screw 3 Screw 2 Bottom plate of electrical parts box A Electrical parts box Photo 6 Screw 5 Screw 4 Bottom plate of electrical parts box Clamp Photo 7 Power circuit board (P...
Page 129 - Photo 9
129 OPERATING PROCEDURE PHOTOS Photo 9 Photo 12 Photo 11 Photo 10 Lead wire of thermistor <Ambient> (TH7) Sensor holder Clamp Muffler Separator Compressor (MC) Clamp(for TH3) Thermistor <Liquid> (TH3) Power receiver Thermistor <Suction> (TH32) Low pressure switch(63L) Photo 13 Clam...
Page 130 - Removing linear expansion valve
130 OPERATING PROCEDURE PHOTOS 4-way valve coil(21S4) Photo 14 (PUHZ-HRP100/125YHA) 4-way valve Linear expansion valve coil (LEV-C) Linear expansion valve coil (LEV-B) 4-way valve coil fixing screw Linear expansion valve coil (LEV-A) Linear expansion valve Linear expansion valve Low pressure switch ...
Page 131 - rear of the unit and remove the right side panel.; Bypass valve; Note 1: Recover refrigerant without spreading it in the; LEV
131 OPERATING PROCEDURE PHOTOS Photo 15 12. Removing bypass valve coil (SV) and bypass valve (Only for PUHZ-HRP·V/YHA, PUHZ-HRP·V/YHA2) (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 × 12) in the rear of the unit and...
Page 132 - OPERATING PROCEDURE
132 14. 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, that fix the front panel and remove the front panel. (4) Remove the 2 screws, screw 8 and 9 (both 4 × 10), that fix the separator, screw 8 fro...
Page 133 - Removing the power receiver
133 OPERATING PROCEDURE PHOTOS Photo 19 Compressor (MC) Valve bed Separator Power receiver Photo 21 Compressor fixing nut Receiver leg fixing screws Power receiver Receiver leg Compressor (MC) Pipes of power receiver 16. Removing the power receiver (1) Remove the service panel. (See Figure 1) (2) Re...
