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SPLIT-TYPE, HEAT PUMP AIR CONDITIONERS
SPLIT-TYPE, AIR CONDITIONERS
TECHNICAL & SERVICE MANUAL
Series PKA
Wall Mounted
Indoor unit
[Model names]
PKA-RP1.6GAL
PKA-RP2GAL
Indoor unit
Remote controller
R407C/R410A
[Service Ref.]
PKA-RP1.6GAL
PKA-RP2GAL
CONTENTS
1.
2. SAFETY PRECAUTION ·······································3
3. PART NAMES AND FUNCTIONS ·······················6
4. SPECIFICATIONS ················································8
Model name
5. DATA···································································11
indication
6. OUTLINES AND DIMENSIONS ·························26
7. WIRING DIAGRAM ············································27
8. REFRIGERANT SYSTEM DIAGRAM······················28
9. TROUBLE SHOOTING ······································29
10. DISASSEMBLY PROCEDURE ··························39
11. PARTS LIST ·······················································42
12. OPTIONAL PARTS ························BACK COVER
• This manual dose not cover
outdoor uniits. When servicing
tthem, please refer to service
manual OC261 REVISED
EDITION-B, OC285, OC294
REVISED EDITION-A, OC298
and this manual in a set.
2004
No.OC305
···2
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Table of Contents
Related Manuals for Mitsubishi PKA-RP1.6GAL
Summary of Contents for Mitsubishi PKA-RP1.6GAL
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Page 1: Table Of Contents
Series PKA Wall Mounted R407C/R410A Indoor unit • This manual dose not cover [Service Ref.] [Model names] outdoor uniits. When servicing PKA-RP1.6GAL tthem, please refer to service PKA-RP1.6GAL manual OC261 REVISED PKA-RP2GAL EDITION-B, OC285, OC294 PKA-RP2GAL REVISED EDITION-A, OC298 and this manual in a set. -
Page 2: Combination Of Indoor And Outdoor Units
COMBINATION OF INDOOR AND OUTDOOR UNITS (R410A Inverter) Outdoor unit [OC294 REVISED EDITION-A] Indoor unit Heat pump type PUHZ-RP 1.6VHA 2VHA — PKA-RP1.6GAL PKA-RP2GAL — (R407C Fixed speed) Outdoor unit [OC285] Outdoor unit [OC298] Heat pump type Cooling only type Indoor unit PUH-P PU-P 1.6VGAA... -
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 4-1. Heat pump type (1) Service Ref. PKA-RP1.6GAL Item Function Cooling Heating Btu/h 12,300 14,000 Capacity 3,600(1,600~4,500) 4,100(1,600~5,200) 1.03 Total input 1.27 Service Ref. PKA-RP1.6GAL Power supply(phase, cycle, voltage) Single phase, 50Hz, 220-230-240V Input 0.07 0.07 Running current 0.33 0.33... - Page 9 4-2. Heat pump type (2) Service Ref. PKA-RP1.6GAL Item Cooling Function Heating 15,200 Btu/h 16,900 Capacity 4,450 4,950 Total input 1.70 1.79 Service Ref. PKA-RP1.6GAL Power supply(phase, cycle, voltage) Single phase, 50Hz, 220-230-240V Input 0.07 0.07 Running current 0.33 0.33 Starting current 0.40...
- Page 10 4-3. Cooling only type Service Ref. PKA-RP1.6GAL Item Function Cooling Btu/h 15,200 Capacity 4,450 1.70 Total input Service Ref. PKA-RP1.6GAL Power supply(phase, cycle, voltage) Single phase, 50Hz, 220-230-240V Input 0.07 Running current 0.33 Starting current 0.40 External finish Munsell 0.70Y 8.59/0.97...
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Page 11: Data
DATA 5-1. PERFORMANCE DATA COOLING CAPACITY(1) PKA-RP1.6GAL / PUHZ-RP1.6VHA (230V) Outdoor intake air D.B.(°C) Indoor Indoor Intake air Intake air SHC(W ) D.B.(°C) W.B.(°C) SHC(W) P.C. SHC(W) P.C. P.C. 0.92 0.74 0.82 3,456 3,348 2,478 0.74 3,564 2,637 2,257 0.74 0.87... - Page 12 COOLING CAPACITY(2) PKA-RP1.6GAL / PUHZ-RP1.6VHA (230V) Outdoor intake air D.B.(°C) Indoor Indoor Intake air Intake air D.B.(°C) W.B.(°C) SHC(W) P.C. SHC(W) P.C. P.C. SHC(W) 0.74 1.15 0.74 0.99 2,916 2,158 3,204 2,371 3,060 2,264 0.74 1.06 0.62 1.17 0.62 1.01...
- Page 13 COOLING CAPACITY(3) PKA-RP2GAL / PUHZ-RP2VHA (230V) Outdoor intake air D.B.(°C) Indoor Indoor Intake air Intake air D.B.(°C) W.B.(°C) SHC(W) P.C. SHC(W) P.C. P.C. SHC(W) 4,554 2,915 4,416 2,826 0.64 1.38 4,278 1.46 0.64 1.30 0.64 2,738 4,876 2,536 4,738 2,464 0.52 1.40 4,577...
- Page 14 COOLING CAPACITY(4) PKA-RP2GAL / PUHZ-RP2VHA (230V) Outdoor intake air D.B.(°C) Indoor Indoor Intake air Intake air D.B.(°C) W.B.(°C) SHC(W) SHC(W) P.C. SHC(W) P.C. P.C. 4,094 2,620 0.64 1.56 3,910 2,502 0.64 1.68 3,726 2,385 0.64 1.82 4,416 2,296 0.52 1.61 4,278 2,225 0.52...
- Page 15 COOLING CAPACITY(5) PKA-RP1.6GAL / PUH-P1.6VGAA PUH-P1.6VGAA.UK PUH-P1.6YGAA.UK PUH-P1.6VGAA .UK PUH-P1.6YGAA PU-P1.6VGAA PU-P1.6VGAA.UK PU-P1.6YGAA.UK PU-P1.6VGAA PU-P1.6YGAA (230V) Outdoor intake air D.B.(°C) Indoor Indoor Intake air Intake air D.B.(°C) W.B.(°C) SHC(W) SHC(W) P.C. SHC(W) P.C. P.C. 1.52 4,406 0.67 2,952 0.67 1.36...
- Page 16 COOLING CAPACITY(6) PKA-RP1.6GAL / PUH-P1.6VGAA PUH-P1.6VGAA.UK PUH-P1.6YGAA.UK PUH-P1.6VGAA .UK PUH-P1.6YGAA PU-P1.6VGAA PU-P1.6VGAA.UK PU-P1.6YGAA.UK PU-P1.6VGAA PU-P1.6YGAA (230V) Outdoor intake air D.B.(°C) Indoor Indoor Intake air Intake air D.B.(°C) W.B.(°C) SHC(W) P.C. SHC(W) P.C. P.C. SHC(W) 3,961 2,654 0.67 1.63 3,783 2,534 0.67...
- Page 17 COOLING CAPACITY(7) PKA-RP2GAL / PUH-P2VGAA PUH-P2VGAA.UK PUH-P2YGAA.UK PUH-P2VGAA PUH-P2YGAA PU-P2VGAA PU-P2VGAA.UK PU-P2YGAA.UK PU-P2VGAA PU-P2YGAA (230V) Outdoor intake air D.B.(°C) Indoor Indoor Intake air Intake air D.B.(°C) W.B.(°C) SHC(W) SHC(W) P.C. SHC(W) P.C. P.C. 5,297 3,178 0.60 1.86 5,136 3,082 0.60 1.97 4,976 2,985...
- Page 18 COOLING CAPACITY(8) PKA-RP2GAL / PUH-P2VGAA PUH-P2VGAA.UK PUH-P2YGAA.UK PUH-P2VGAA PUH-P2YGAA PU-P2VGAA PU-P2VGAA.UK PU-P2YGAA.UK PU-P2VGAA PU-P2YGAA (230V) Outdoor intake air D.B.(°C) Indoor Indoor Intake air Intake air D.B.(°C) W.B.(°C) SHC(W) P.C. SHC(W) P.C. P.C. SHC(W) 4,762 2,857 0.60 2.24 4,548 2,729 0.60 4,334 2.40 2,600...
- Page 19 P.C. P.C. P.C. P.C. P.C. P.C. D.B. (˚C) 2,604 0.75 2,829 0.83 3,157 0.95 4,141 1.14 4,674 1.27 5,207 1.37 PKA-RP1.6GAL 2,501 0.81 2,706 0.89 2,993 1.03 3,998 1.23 4,510 1.37 5,023 1.47 2,419 0.86 2,624 0.97 2,870 1.12 3,772 1.31...
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Page 20: Performance Curve
5-2. PERFORMANCE CURVE PKA-RP•GAL / PUHZ-RP•VHA Cooling performance curve(50Hz) Heating performance curve(50Hz) Correcting the capacity line influenced by frosting Not correcting the capacity line influenced by frosting INDOOR In some cases, heating operation cannot be conducted with the maximum D.B.(°C) INDOOR frequency in the area below the slanting line. -
Page 21: Correction Factors
5-3. Correction factors PKA-RP•GAL / PUHZ-RP•VHA Cooling capacity correction factors Refrigerant piping length (one way) Service Ref. 1.00 0.976 0.962 0.949 0.930 — — — PKA-RP1.6GAL 0.992 0.936 1.00 0.957 0.931 0.908 0.876 — — — PKA-RP2GAL 0.985 0.886 Heating capacity correction factors Refrigerant piping length (one way) Service Ref. -
Page 22: Standard Operation Data
5-4. STANDARD OPERATION DATA Heat pump type (1) Service Ref. PKA-RP1.6GAL PKA-RP2GAL Mode Cooling Heating Cooling Heating Capacity 3,600 4,100 4,600 4,500 Input 1.03 1.27 1.63 1.40 Indoor unit Service Ref. PKA-RP1.6GAL PKA-RP2GAL Phase , Hz 1 , 50 1 , 50... - Page 23 Heat pump type (2) Service Ref. PKA-RP1.6GAL PKA-RP2GAL Mode Cooling Heating Cooling Heating Cooling Heating Cooling Heating Capacity 4,450 4,950 4,450 4,950 5,350 6,200 5,350 6,200 Input 1.70 1.79 1.70 1.79 2.33 2.34 2.33 2.34 Indoor unit Service Ref. PKA-RP1.6GAL...
- Page 24 Cooling only type Service Ref. PKA-RP1.6GAL PKA-RP2GAL Mode Cooling Cooling Cooling Cooling Capacity 4,450 4,450 5,350 5,350 Input 1.70 1.70 2.33 2.33 Indoor unit Service Ref. PKA-RP1.6GAL PKA-RP2GAL Phase , Hz 1 , 50 1 , 50 Volts Amperes 0.33 0.33...
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Page 25: Noise Criterion Curves
5-6. NOISE CRITERION CURVES SPL(dB) LINE NOTCH PKA-RP1.6GAL PKA-RP2GAL NC-70 NC-60 NC-50 NC-40 NC-30 APPROXIMATE TERESHOLD OF HEARING FOR NC-20 CONTINUOUS NOISE 1000 2000 4000 8000 BAND CENTER FREQUENCIES, Hz UNIT WALL MICROPHONE... -
Page 26: Outlines And Dimensions
OUTLINES AND DIMENSIONS Unit : mm INDOOR UNIT PKA-RP1.6GAL PKA-RP2GAL... -
Page 27: Wiring Diagram
WIRING DIAGRAM PKA-RP1.6GAL PKA-RP2GAL INDOOR UNIT CN2S(WHT) DC14V TO OUTDOOR UNIT CONT.BOARD OUTDOOR CN02(WHT) CN01(BLU) POWER VANE CN6V CN03 POWER (WHT) (RED) (WHT) CN2D(WHT) CN41 CN2L WIRELESS CN90 CN25 CN32 (WHT) LED3 LED2 LED1 REMOCON D.SENSOR HEATER INTAKE LIQUID PIPE... -
Page 28: Refrigerant System Diagram
REFRIGERANT SYSTEM DIAGRAM PKA-RP1.6GAL PKA-RP2GAL Unit : mm 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 Room temperature (TH2) thermistor (TH1) -
Page 29: 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 30 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 31 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 32 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 33 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) characteristics For characteristics, refer to (P1) above. 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 34 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 220~240V is not supplied to outdoor 1 Check the voltage of outdoor power is off.
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Page 35: 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 36 9-6. How to check the parts PKA-RP1.6GAL PKA-RP2GAL 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/liquid(TH2) Normal Abnormal Condenser/evaporator temperature thermistor 4.3k"~9.6k" Open or short...
- Page 37 9-7. TEST POINT DIAGRAM 9-7-1. Indoor controller board PKA-RP1.6GAL PKA-RP2GAL CN22 CN90 CN2D Connect to the terminal block(TB5) CN32 Connect to the wireless Connect to the indoor (Remote controller connecting wire) CN6V Connector remote controller board power board (CN2S) (10~16V DC)
- Page 38 9-7-2. Indoor power board CN2S PKA-RP1.6GAL Connect to the indoor controller – PKA-RP2GAL board (CN2D) (12~16V DC) CN02 Connect to the indoor controller board (CN03) Between 1 and 2 0~24V DC – (Indoor/Outdoor transmission) Between 2 and 3 220~240V AC + –...
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Page 39: Disassembly Procedure
DISASSEMBLY PROCEDURE PKA-RP1.6GAL PKA-RP2GAL OPERATION PROCEDURE PHOTOS & ILLUSTRATION (Figure 1) Hook 1. REMOVE THE LOWER SIDE OF THE INDOOR UNIT FROM THE INSTALLATION PLATE. (1) Remove the left / right corner box of the indoor unit. (2) Hold and pull down the lower and both ends of the indoor unit, and remove the section from the square hole. - Page 40 OPERATION PROCEDURE PHOTOS & ILLUSTRATION 4. REMOVING THE POWER BOARD (Photo 4) (1) Remove the front panel.(see the photo 1) (2) Remove the electrical parts box(2screws).(see the photo 2) Power board (3) Disconnect the whole connector in the control board. (4) After lifting the controller case with pressing it’s convex section, remove the controller case and the control board simultaneously.(see the photo 3)
- Page 41 OPERATION PROCEDURE PHOTOS & ILLUSTRATION 9. REMOVING THE FAN MOTOR. (Photo 9) Motor cover (1) Remove the terminal block cover. (2) Remove the front panel.(see the photo 1) (3) Remove the electrical parts box.(see the photo 8) (4) Remove the nozzle assemble.(see the photo 7) (5) Remove the fan motor leg fixing 3screws.
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Page 42: Parts List
PARTS LIST STRUCTURAL PARTS PKA-RP1.6GAL PKA-RP2GAL Q'ty/set Wiring Recom- Price Remarks Parts Name Parts No. Specifications Diagram mended PKA-RP1.6GAL (Drawing No.) Symbol Q'ty Unit Amount PKA-RP2GAL R01 07Y 808 BACK PLATE R01 09Y 658 CORNER COVER R01 07Y 623 UNDER COVER... - Page 43 ELECTRICAL PARTS PKA-RP1.6GAL PKA-RP2GAL Wiring Recom- Price Q'ty/set Remarks Diagram mended Parts No. Parts Name Specifications PKA-PR1.6GAL (Drawing No.) Unit Amount Symbol Q'ty PKA-RP2GAL T7W E50 480 HEAT EXCHANGER R01 07Y 114 LINE FLOW FAN R01 07Y 102 BEARING MOUNT...
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Page 44: Optional Parts
PAC-SF40RM-E 12-5. Remote ON/OFF Adapter Part No. PAC-SE55RA-E HEAD OFFICE : MITSUBISHI DENKI BLDG., 2-2-3, MARUNOUCHI, CHIYODA-KU, TOKYO100-8310, JAPAN cCopyright 2004 MITSUBISHI ELECTRIC ENGINEERING CO.,LTD Distributed in May 2004 No.OC305 PDF 9 New publication, effective May 2004 Made in Japan...