Page 2 - REFERENCE MANUAL; Model name
2 1 REFERENCE MANUAL Model name Service Ref. ServiceManual No. PLA-RP50/60/71AA PLA-RP100/125/140AA2 PLA-RP50/60/71AA.UK OC335 OC357 PLA-RP100/125/140AA2.UK PCA-RP50/60/71GA PCA-RP50/60/71GA OC328 PCA-RP100/125/140GA PCA-RP100/125/140GA PKA-RP50GAL PKA-RP50GAL OC330 PKA-RP60/71/100FAL PKA-RP60/71/10...
Page 3 - SAFETY PRECAUTION; Cautions for units utilizing refrigerant R410A; Use new refrigerant pipes.; Be sure to use a filter drier for new refrigerant.
3 2 SAFETY PRECAUTION Cautions for units utilizing refrigerant R410A 2-1. 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 4 - Specifications
4 Gravimeter Unit [3] Service tools Use the below service tools as exclusive tools for R410A refrigerant. No. 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 R410A ·Use pre...
Page 6 - FEATURES
6 3 FEATURES CHARGELESS SYSTEMPRE-CHARGED REFRIGERANT IS SUPPLIED FOR PIPING LENGTH AT SHIPMENT.(Max.30m(PUHZ-P125/P140)) The refrigerant circuit with LEV(Linear Expansion Valve) and Accumlator always control the optimal refrigerantlevel regardless of the length (30m max. and 5m min.) of piping. The...
Page 7 - SPECIFICATIONS; OUTDOOR UNIT
7 4 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(dr...
Page 8 - DATA; Factory; Unit
8 5 DATA 5-1. REFILLING REFRIGERANT CHARGE (R410A : kg) 5-2. COMPRESSOR TECHNICAL DATA Piping length (one way) 10m 20m 30m 40m 50m Factory charged 2.6 4.3 4.3 2.7 4.4 4.4 3.3 4.5 4.5 3.9 5.1 5.1 4.5 5.7 5.7 2.7 4.5 4.5 Service Ref. PUHZ-P100VHA.UK PUHZ-P125VHA.UK PUHZ-P140VHA.UK U-V U-W W-V Unit Com...
Page 11 - OUTLINES AND DIMENSIONS; PIPING-WIRING DIRECTIONS; Piping Knock-Out Hole Details
11 6 OUTLINES AND DIMENSIONS 417 66 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 Over Over Less t...
Page 12 - Example of Notes; SERVICE SPACE
12 Unit : mm Less than Over Over Over Over 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...
Page 13 - WIRING DIAGRAM
13 7 WIRING DIAGRAM CY2 CY1 CY1, CY2 Capacitor T6.3AL250V PUHZ-P100VHA .UK PUHZ-P125VHA .UK PUHZ-P140VHA .UK OC359A-1.qxp 06.7.12 3:06 PM Page 13
Page 14 - WIRING SPECIFICATIONS; Synchronized twin and triple system Electrical wiring; • Synchronized twin
14 8 WIRING SPECIFICATIONS Outdoor unit modelOutdoor unit power supply Outdoor unit input capacity *1 Main switch (Breaker) Outdoor unit power supplyOutdoor unit power supply earthIndoor unit-Outdoor unit *2 Indoor unit-Outdoor unit earth *2 Remote controller-Indoor unit *3 Outdoor unit L-N (single)...
Page 15 - Simultaneous twin/triple system
15 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 18 - shield wire for electric wires.
18 8-4-3. 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 19 - REFRIGERANT SYSTEM DIAGRAM
Serviceport(check) Accumulator Compressor Refrigerant GAS pipe15.88 A ( { 5/8") Refrigerant LIQUID pipe9.52 A ( { 3/8") 4-way valve Serviceport(check) High pressure protect switch Liner expansion valve Muffler Thermistor(TH4) Refrigerant flow in coolingRefrigerant flow in heating Ball valve ...
Page 20 - Start and finish of test run; • Operation from the indoor unit; A B
20 1. Refrigerant collecting (pump down) Perform the following procedures to collect the refrigerant when moving the indoor unit or the outdoor unit. 1 Turn on the power supply (circuit breaker). w When power is supplied, make sure that “CENTRALLY CONTROLLED” is not displayed on the remote controlle...
Page 21 - TROUBLESHOOTING; age, loosened connections and incorrect polarity.
21 10 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 22 - In case OUTDOOR BOARD LED is digital display, — and —; will be displayed alternately every second.; Operating procedures
22 [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 two hours.• The room temp...
Page 23 - Test run [for wireless remote controller]; while following steps
23 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 24 - To clear the error code, press the; CHECK
24 10-3. HOW TO PRECEED "SELF-DIAGNOSIS" 10-3-1. 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 26 - Malfunction-diagnosis method at maintenance service>
26 [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 28 - ; Error Code Meaning of error code and detection method
28 10-4. 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 Meaning of error code and detection method Case Judgment and action None — 1 No voltage is supplied to terminalblock(TB1) of outdoor un...
Page 30 -
30 <Abnormalities detected while unit is operating> Error Code Meaning of error code and detection method Judgment and action U1 (1302) Abnormal high pressure (High-pressureswitch 63H worked)Abnormal if high-pressure switch 63Hworked ( w ) during compressor operation. w 4.15 MPa 63H: High-pres...
Page 33 - If the unit is not normal after replacing
33 Error Code Meaning of error code and detection method Judgment and action Case UP (4210) Compressor overcurrent interruptionAbnormal if overcurrent DC bus or com-pressor is detected after compressor startsoperating for 30 seconds. 1 Stop valve of outdoor unit isclosed. 2 Decrease of power supply ...
Page 36 - Continued to the next page.; Error Code
36 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 37 - From the previous page.; If displayed address or attribute is
37 Error Code Meaning of error code and detection method Case Judgment and action A7 (6607) 5. If displayed address or attribute is FRESH MASTER, Indoor unit detects abnormality whenindoor unit transmitted to FRESH MAS-TER and there was no reply (ACK). 1 During sequential operation ofindoor unit and...
Page 38 - 0-5. TROUBLESHOOTING BY INFERIOR PHENOMENA
38 10-5. 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 41 - Symptoms: Nothing is displayed on the remote controller
41 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 42 - Check the status
42 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 51 -
51 <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 53 - (2) Check the following items and cautions for emergency operation
53 10-8. 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 54 - (5) Operation data during emergency operation; Tb
54 (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 liquid pipe temperature (TH2) Indoor 2-phase pipe tem...
Page 55 - SWP
55 10-9. TEST POINT DIAGRAMOutdoor controller circuit boardPUHZ-P100VHA.UK PUHZ-P125VHA.UKPUHZ-P140VHA.UK Communicationpower supply ZD71 Voltage developed across:16-30V DC – + CNS (Indoor/outdoor unit connecting wire) CNAC 2 to 4 : Power supply for outdoor controller circuit board(220V-240V AC) 1 to...
Page 62 - SW2 setting; Display detail; Operation indicator SW2 : Indicator change of self diagnosis; second; Display during error postponement; Display; Contents to be inspected (During operation)
62 <Outdoor unit operation monitor function>[When option 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-Contr...
Page 66 - (When the thermistor detects 100
66 1 ON 2 3 4 5 6 °C Discharge super heat. SHd0~255 Cooling = TH4-TH6Heating = TH4-TH5 0~255(When the temperature is 100°C or more, hundreds digit, tens digit and ones digit are displayed byturns.) °C Sub cool. SC0~130 Cooling = TH6-TH3Heating = TH5-TH4 0~130(When the temperature is 100°C or more, h...
Page 68 - Pulse
68 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 temper...
Page 69 - digit and ones digit are displayed by turns.)
69 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. Sub cool on error occurring. SC0~130 Cooling = TH6-TH3Heating = TH5-TH2 0~130(...
Page 70 - FUNCTION SETTING; Function; 1-1. UNIT FUNCTION SETTING BY THE REMOTE CONTROLLER; setting the
70 11 FUNCTION SETTING Function Settings No. Mode No. Setting Initial setting (Factory setting) - : Not available 4-Way cassette Ceiling concealed Ceiling suspended Wall mounted Floor standing PLA-AA(2) PEAD-EA(2) PCA-GA PCA-HA PKA-GAL PSA-GA PEAD-GA PKA-FAL Filter sign 100Hr 1 2500Hr 07 2 No filter...
Page 71 - 1-1-1. Selecting functions using the wired remote controller
71 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 Ending function display (Press A and B at the same time.) Example:Selecting room temperaturedetection position YES YES NO NO 9...
Page 74 - 1-2. FUNCTION SELECTION OF REMOTE CONTROLLER
74 11-2. 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 75 - Flowchart of Function Setting
75 OFF no1 no2 OFF ON OFF ON OFF OFF CALL- ON OFF ON OFF : ° F PAR-21MAA ON/OFF FILTER CHECK OPERATION CLEAR TEST TEMP. MENU BACK DAY MONITOR/SET CLOCK ON/OFF F E G C D H B A I G G G G G G E E G G G G E G E G G G G D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D EN GE ES RU IT ZH FR JA H...
Page 76 - EASY MAINTENANCE FUNCTION; Reduces maintenance work drastically.; Remote controller button information; TEST; button for three seconds to switch to maintenance mode.; MODE; button to select the desired operation mode.; ] Waiting for stabilization; Stabilized; Discharge temperature 64
76 12 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 m...
Page 77 - [Display example for accumulated operating time]
77 ● 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 butt...
Page 78 - Check Points; Enter the temperature differences between; Result
78 12-2.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 Times...
Page 79 - MONITORING THE OPERATION DATABY THE REMOTE CONTROLLER; Discharge temperature 69
79 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 three seconds so that [ Maintenance mode] appears on the screen (at A ). (2) P...
Page 89 - DISASSEMBLY PROCEDURE; OPERATING PROCEDURE; Removing the service panel and top panel; Figure 1; (5) Disconnect the connector CNF1 on controller circuit; Photo 3; Removing the electrical parts box; ) from the valve bad to
89 14 DISASSEMBLY PROCEDURE OPERATING PROCEDURE PHOTOS & ILLUSTRATION PUHZ-P100VHA.UK PUHZ-P125VHA.UK PUHZ-P140VHA.UK 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 scr...
Page 90 - Photo 4; Clamp; Photo 5; Sensor holder
90 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, TH6 and TH7 (red), on the controller c...
Page 91 - ing the right side panel.; Photo 7
91 OPERATING PROCEDURE PHOTOS 7. Removing the solenoid valve coil <Four-way valve> (21S4), linear expansion valve coil (LEV(A)) and solenoid valve coil <Bypass valve> (SV) (1) Remove the service panel. (See figure 1.)(2) Remove the top panel. (See figure 1.)(3) Remove the electrical part...
Page 92 - Removing the bypass valve; removing the right side panel.; Photo 9; Reactor fixing screw; rear of the unit and remove the right side panel.; removing the right side panel.; Reactor fixing screws
92 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 93 - Note: Collect refrigerant without spreading it in the air.
93 OPERATING PROCEDURE PHOTOS 13. Removing the motor for compressor (MC) (1) Remove the service panel. (See figure 1.)(2) Remove the top panel. (See figure 1.)(3) Remove 2 front cover panel fixing screws (5 ✕ 10) and remove the front cover panel. (See photo 3.) (4) Remove 2 back cover panel fixing s...
Page 94 - Photo 1
94 OPERATING PROCEDURE PHOTOS & ILLUSTRATION PUHZ-P125VHA.UK PUHZ-P140VHA.UK 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 t...
Page 95 - Photo 6
95 OPERATING PROCEDURE PHOTOS 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, TH6 and TH7 (red), on the controller circuit board in the electrical parts box. (4) Loosen ...
Page 97 - Photo 8; Lead wire of high pressure switch
97 OPERATING PROCEDURE PHOTOS 11. Removing the reactor (DCL) (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.)<Removing the reactor>(4) Remove 4 reactor fixing screws (4 ✕ 10) and remove the reactor. w The ...
Page 98 - Accumulator leg
98 OPERATING PROCEDURE PHOTOS 12. Removing the motor for compressor (MC) (1) Remove the service panel. (See figure 1.)(2) Remove the top panel. (See figure 1.)(3) Remove 2 front cover panel fixing screws (5 ✕ 10) and remove the front cover panel. (See photo 3.) (4) Remove 2 back cover panel fixing s...
Page 101 - Part numbers that are circled are not shown in the figures.
101 Price Part No. Part Name Specification No. Wining Diagram Symbol Recom- mended Q , ty Unit Amount Remarks (Drawing No.) Q , ty/set PUHZ-P VHA.UK 100 1 1 1 1 1 1 1 3 1 1 2 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 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 ...
Page 105 - RoHS PARTS LIST; RoHS
105 16 RoHS PARTS LIST STRUCTURAL PARTSPUHZ-P100VHA.UK Part No. Specification No. Wining Diagram Symbol Recom- mended Q , ty Price Unit Amount Part Name PUHZ-P Q , ty/set 100 VHA.UK Remarks (Drawing No.) 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 G G G G G G G G G G G G G G G G G 31 1 1 1 1 1 1 1 2 1...
