Mitsubishi Electric PKA-RP60FAL Service Manual
Split-type, heat pump air conditioners split-type, air conditioners
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- Service manual (48 pages) ,
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- Technical data book (52 pages)
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SPLIT-TYPE, HEAT PUMP AIR CONDITIONERS
SPLIT-TYPE, AIR CONDITIONERS
SERVICE MANUAL
Indoor unit
[Model names]
PKA-RP60FAL
PKA-RP71FAL
PKA-RP100FAL
PKH-P60FALH
PKH-P71FALH
PKH-P100FALH
Indoor unit
Remote controller
[Service Ref.]
PKA-RP60FAL
PKA-RP71FAL
PKA-RP100FAL
PKH-P60FALH
PKH-P71FALH
PKH-P100FALH
CONTENTS
1. REFERENCE MANUAL ·······································2
2. SAFETY PRECAUTION ·······································3
3. PART NAMES AND FUNCTIONS ·······················6
4. SPECIFICATIONS ················································8
Model name
5. NOISE CRITERION CURVES····························10
indication
6. OUTLINES AND DIMENSIONS ·························11
7. WIRING DIAGRAM ············································13
8. REFRIGERANT SYSTEM DIAGRAM······················14
9. TROUBLE SHOOTING ······································15
10. DISASSEMBLY PROCEDURE ··························30
11. PARTS LIST ·······················································33
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May 2005
No.OC331
• This manual describes only
service data of the indoor
units.
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Table of Contents
Troubleshooting
Related Manuals for Mitsubishi Electric PKA-RP60FAL
Summary of Contents for Mitsubishi Electric PKA-RP60FAL
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Page 1: Table Of Contents
SPLIT-TYPE, HEAT PUMP AIR CONDITIONERS SPLIT-TYPE, AIR CONDITIONERS May 2005 No.OC331 SERVICE MANUAL Indoor unit • This manual describes only [Model names] [Service Ref.] service data of the indoor PKA-RP60FAL units. PKA-RP60FAL PKA-RP71FAL PKA-RP71FAL PKA-RP100FAL PKA-RP100FAL PKH-P60FALH PKH-P60FALH PKH-P71FALH PKH-P71FALH... -
Page 2: Reference Manual
REFERENCE MANUAL 1-1. OUTDOOR UNIT’S SERVICE MANUAL Service Manual No. Service Ref. PUHZ-RP35/50/60/71/100/125/140VHA OC334 PUHZ-RP100/125/140YHA PUHZ-RP71/100/125/140VHA-A OC337 PUHZ-RP200/250YHA OC338 PUHZ-RP200/250YHA-A OC339 PU(H)-P·VGAA.UK OC336 PU(H)-P·YGAA.UK 1-2. TECHNICAL DATA BOOK Manual No. Series (Outdoor unit) PUHZ-RP·VHA(-A) OCS01 PUHZ-RP·YHA(-A) PU(H)-P·VGAA.UK OCS02 PU(H)-P·YGAA.UK... -
Page 3: Safety Precaution
SAFETY PRECAUTION CAUTIONS RELATED TO NEW REFRIGERANT Cautions for units utilizing refrigerant R407C Do not use the existing refrigerant piping. Use liquid refrigerant to seal the system. The old refrigerant and lubricant in the existing piping If gas refrigerant is used to seal the system, the composition contains a large amount of chlorine which may cause the of the refrigerant in the cylinder will change and performance lubricant deterioration of the new unit. - Page 4 [3] Service tools Use the below service tools as exclusive tools for R407C refrigerant. Tool name Specifications Gauge manifold ·Only for R407C. ·Use the existing fitting SPECIFICATIONS. (UNF7/16) ·Use high-tension side pressure of 3.43MPa·G or over. Charge hose ·Only for R407C. ·Use pressure performance of 5.10MPa·G or over.
- Page 5 CAUTIONS RELATED TO NEW REFRIGERANT Cautions for units utilizing refrigerant R410A Use new refrigerant pipes. Do not use refrigerant other than R410A. In case of using the existing pipes for R22, be careful with If other refrigerant (R22 etc.) is used, chlorine in refrige- the followings.
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Page 6: Part Names And Functions
Unit Gravimeter [3] Service tools Use the below service tools as exclusive tools for R410A refrigerant. Specifications Gauge manifold ·Only for R410A ·Use the existing fitting specifications . (UNF1/2) ·Use high-tension side pressure of 5.3MPa·G or over. Charge hose ·Only for R410A ·Use pressure performance of 5.09MPa·G or over. -
Page 7: Wireless Remote Controller
Wireless remote controller When cover is open. display CHECK TEST RUN CHECK&TEST RUN display indicates that the unit is being checked or test-run. display MODEL SELECT Blinks when model is selected. display Lights up while transmission to the indoor unit is mode using switches. display SET TEMP. -
Page 8: Specifications
SPECIFICATIONS PKA-RP60FAL Service Ref. Heating Cooling Mode Power supply(phase, cycle, voltage) Single phase, 50Hz, 230V 0.09 0.09 Input 0.43 0.43 Running current 0.80 0.80 Starting current External finish Munsell 3.4Y 7.7/0.8 Heat exchanger Plate fin coil Fan(drive) x No. Line flow (direct) x 2 Fan motor output 0.040... - Page 9 Service Ref. PKH-P60FALH Mode Cooling Heating Power supply(phase, cycle,voltage) Single phase, 50Hz, 230V Input 0.09 0.09<1.93> Running current 0.43 0.43<8.39> Starting current 0.80 0.80<8.39> External finish Munsell 3.4Y 7.7/0.8 Heat exchanger Plate fin coil Line flow (direct) x 2 Fan(drive) x No. 0.040 Fan motor output 15-20 (530-706)
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Page 10: Noise Criterion Curves
NOISE CRITERION CURVES PKA-RP100FAL PKA-RP60FAL SPL(dB) LINE NOTCH SPL(dB) LINE NOTCH High High PKA-RP71FAL PKH-P100FALH PKH-P60FALH PKH-P71FALH NC-70 NC-70 NC-60 NC-60 NC-50 NC-50 NC-40 NC-40 NC-30 NC-30 APPROXIMATE APPROXIMATE TERESHOLD OF TERESHOLD OF HEARING FOR HEARING FOR NC-20 NC-20 CONTINUOUS... -
Page 11: Outlines And Dimensions
OUTLINES AND DIMENSIONS PKH-P60FALH, PKA-RP60FAL Unit : mm PKH-P71FALH, PKA-RP71FAL Display section Emergency switch(Heat) Receiving Emergency switch(Cool) section Defrosting Initial heating lamp Power lamp Front Right side 1400 Left side Knock out hole for right piping 1090 Air intake Refrigerant pipe. Drain pipe... - Page 12 PKH-P100FALH, PKA-RP100FAL Unit : mm Display section Emergency switch(Heat) Emergency switch(Cool) Receiving section Defrosting Initial heating lamp Power lamp Front Knock out hole for right piping Right side Left side 1680 1370 Air intake Knock out hole for left piping Terminal block for indoor/outdoor connecting line Liquid pipe Terminal block for heater (PKH only)
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Page 13: Wiring Diagram
WIRING DIAGRAM PKA-RP60FAL PKA-RP71FAL PKA-RP100FAL PKH-P60FALH PKH-P71FALH PKH-P100FALH SYMBOL NAME SYMBOL NAME SYMBOL NAME INDOOR POWER BOARD WIRELESS REMOTE CONTROLLER BOARD CAPACITOR(FAN MOTOR) INDOOR CONTROLLER BOARD FAN MOTOR RECEIVING UNIT FUSE FUSE(T6.3AL250V) VANE MOTOR BUZZER TERMINAL BLOCK (HEATER) wPKH-P.FALH VARISTOR... -
Page 14: Refrigerant System Diagram
REFRIGERANT SYSTEM DIAGRAM PKA-RP60FAL PKH-P60FALH Unit : mm PKA-RP71FAL PKH-P71FALH PKA-RP100FAL PKH-P100FALH Strainer Heat exchanger Refrigerant GAS pipe connection (Flare) Condenser/evaporator temperature thermistor (TH5) Refrigerant flow in cooling Refrigerant flow in heating Refrigerant LIQUID pipe connection (Flare) Pipe temperature thermistor/liquid... -
Page 15: Troubleshooting
TROUBLESHOOTING 9-1. 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 or controller board of outdoor unit. Actions to be taken for service and the inferior phenomenon reoccurrence at field are summarized in the table below. Check the contents below before investigating details. - Page 16 9-2. MALFUNCTION-DIAGNOSIS METHOD BY 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 17 • 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 18 • On wireless remote controller 2The continuous buzzer sounds from receiving section of indoor unit. 3Blink of operation lamp • On wired remote controller 1Check code displayed in the LCD. • If the unit cannot be operated properly after the above test run has been performed, refer to the following table to remove the cause. Symptom Cause Wired remote controller...
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Page 19: Self-Diagnosis Action Table
Note: Refer to the manual of outdoor unit for the details of display 9-3. SELF-DIAGNOSIS ACTION TABLE such as F, U, and other E. Error Code Meaning of error code and detection method Countermeasure Cause 1 Defective thermistor 1–3 Check resistance value of thermistor. Abnormality of room temperature thermistor (TH1) characteristics. - Page 20 Error Code Meaning of error code and detection method Countermeasure Cause Freezing/overheating protection is (Cooling or drying mode) (Cooling or drying mode) working 1 Clogged filter (reduced airflow) 1 Check clogs of the filter. 1 Freezing protection (Cooling mode) 2 Short cycle of air path 2 Remove shields.
- Page 21 Error Code Meaning of error code and detection method Countermeasure Cause Abnormality of pipe temperature ther- 1 Defective thermistor 1–3 Check resistance value of thermistor. mistor / Condenser-Evaporator (TH5) For characteristics, refer to (P1) above. characteristics 2 Check contact failure of connector (CN29) 1 The unit is in three-minute resume pro- 2 Contact failure of connector on the indoor controller board.
- Page 22 Error Code Meaning of error code and detection method Countermeasure Cause 1 Contact failure, short circuit or, Indoor/outdoor unit communication Check LED display on the outdoor control error (Signal receiving error) circuit board. (Connect A-control service tool, mis-wiring (converse wiring) of 1 Abnormal if indoor controller board PAC-SK52ST.) indoor/outdoor unit connecting...
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Page 23: Troubleshooting By Inferior Phenomena
9-4. TROUBLESHOOTING BY INFERIOR PHENOMENA Note: Refer to the manual of outdoor unit for the detail of remote controller. Phenomena Cause Countermeasure (1)LED2 on indoor controller board • When LED1 on indoor controller board is also off. 1 Power supply of rated voltage is not supplied to out- 1 Check the voltage of outdoor power is off. - Page 24 Note: Refer to the manual of outdoor unit for the detail of remote controller. Phenomena Cause Countermeasure (2)LED2 on indoor controller board • When LED1 on indoor controller board is also blinking. Check indoor/outdoor unit connecting wire Connection failure of indoor/outdoor unit connecting for connection failure.
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Page 25: Emergency Operation
9-5. EMERGENCY OPERATION 9-5-1. When wireless remote controller troubles or its battery is exhausted 1. Emergency operation is available in such a case using emergency operation switch equipped next to the receiver of indoor unit. 2. To start operation • Cooling Operation·······Press (Cooling) switch. - Page 26 9-6. HOW TO CHECK THE PARTS PKH-P60FALH, PKH-P71FALH, PKH-P100FALH PKA-RP60FAL, PKA-RP71FAL, PKA-RP100FAL Parts name Check points Room temperature Disconnect the connector then measure the resistance using a tester. thermistor (TH1) (Surrounding temperature 10:~30:) Pipe temperature thermistor (TH2) Normal Abnormal Condenser/evaporator temperature thermistor 4.3k"~9.6k"...
- Page 27 9-7. TEST POINT DIAGRAM 9-7-1. Indoor controller board PKA-RP60FAL PKH-P60FALH PKA-RP71FAL PKH-P71FALH PKA-RP100FAL PKH-P100FALH CN2D LED1 LED2 LED3 Connect to the indoor Power supply (I.B) Power supply (R.B) Transmission CN3C power board (CN2S) (Indoor/outdoor) Transmission (12.5~13.7V DC) (Indoor/outdoor) CN22 (0~24V DC)
- Page 28 9-7-2. Indoor power board PKA-RP60FAL PKH-P60FALH PKA-RP71FAL PKH-P71FALH PKA-RP100FAL PKH-P100FALH CN2S Connect to the indoor controller board (CN2D) Between 1 1 to 3 3 12.6-13.7V DC (Pin1 1 (+)) CNSK Connect to the indoor controller board (CNDK) 1 1 to 3 3 220-240V AC...
- Page 29 : Open) Setting by the dip switch and jumper wire Jumper wire Remarks Functions For service board Model settings Models Service board PKA-RP60FAL Capacity PKH-P60FALH settings PKA-RP71FAL PKH-P71FALH PKA-RP100FAL PKH-P100FALH <Settings at time of factory shipment> Wireless remote controller: 0...
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Page 30: Disassembly Procedure
DISASSEMBLY PROCEDURE PKH-P60FALH, PKA-RP60FAL PKH-P71FALH, PKA-RP71FAL OPERATING PROCEDURE PHOTOS&ILLUSTRATION 1. Removing the lower side of the indoor unit from the Figure 1 installation plate (1) Remove the 2 screws. Hang the indoor unit hangers to the catches on the instal- lation plate. - Page 31 OPERATING PROCEDURE PHOTOS&ILLUSTRATION (9) Remove the screws of the indoor controller board case, Photo 3 and pull out the indoor controller board case. Relay Then the indoor power board, the fan motor capacitor and the heater relay can be serviced. Indoor Capacitor power board...
- Page 32 OPERATING PROCEDURE PHOTOS 8. Removing the line flow fan and the fan motor Photo 7 (1) Remove the left and right side panels. (2) Remove the grilles. (3) Remove the electrical parts box. Screw Line flow fan (4) Remove the drain pan. (5) Loosen the screw that fixes the line flow fan to the fan Fan motor motor.
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Page 33: Parts List
PARTS LIST STRUCTURAL PARTS PKA-RP60FAL PKH-P60FALH PKA-RP71FAL PKH-P71FALH Part numbers that is circled is not shown in the figure. ty/set Price Wiring Recom- Remarks Part No. PKA- PKH- Part Name Specifications Diagram mended ( Drawing No. ) Symbol RP60FAL P60FALH... - Page 34 PKH-P60FALH, PKA-RP60FAL ELECTRICAL PARTS PKH-P71FALH, PKA-RP71FAL 15 16 Price ty/set Wiring Recom- Remarks Part No. Part Name Diagram mended Specification PKH-P PKA- RP ( Drawing No. ) Unit Amount Symbol 60FALH 71FALH 60FAL 71FAL R01 Z61 102 BEARING MOUNT R01 12G 114...
- Page 35 From the previous page. Part numbers that is circled is not shown in the figure. ty/set Price Wiring Recom- Remarks Part No. Part Name Specification mended PKH-P PKA-RP Diagram ( Drawing No. ) Unit Amount Symbol 60FALH 71FALH 60FAL 71FAL 250V 6.3A FUSE R01 E02 239...
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Page 36: Electrical Parts
PKH-P100FALH, PKA-RP100FAL ELECTRICAL PARTS 15 16 Price ty/set Wiring Recom- Remarks Part No. Part Name Diagram mended Specification PKH-P PKA- RP ( Drawing No. ) Unit Amount Symbol 100FALH 100FAL R01 Z61 102 BEARING MOUNT R01 16G 114 LEFT LINEFLOW FAN R01 17G 114 LEFT LINEFLOW FAN T7W E22 480... - Page 37 From the previous page. Part numbers that is circled is not shown in the figure. ty/set Price Recom- Wiring Remarks Part No. Part Name Specification Diagram mended PKH-P PKA-RP ( Drawing No. ) Unit Amount Symbol 100FALH 100FAL 250V 6.3A FUSE R01 E02 239 FUSE...
- Page 38 STRUCTURAL PARTS PKA-RP100FAL PKH-P100FALH Part numbers that is circled is not shown in the figure. Price ty/set Wiring Recom- Remarks Part No. Part Name Specification PKA- PKH- Diagram mended ( Drawing No. ) Symbol Unit Amount RP100FAL P100FALH R01 12G 662 LEFT SIDE PANEL R01 E00 812 UNDER PLATE...
- Page 40 HEAD OFFICE : MITSUBISHI DENKI BLDG., 2-2-3, MARUNOUCHI, CHIYODA-KU, TOKYO 100-8310, JAPAN CCopyright 2005 MITSUBISHI ELECTRIC ENGINEERING CO., LTD. New publication, effective May 2005. Distributed in May 2005 No.OC331 PDF 9 Specifications subject to change without notice. Made in Japan.