Table of Contents
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SPLIT-TYPE, HEAT PUMP AIR CONDITIONERS
SPLIT-TYPE, AIR CONDITIONERS
TECHNICAL & SERVICE MANUAL
Indoor unit
[Model names]
PLA-RP1.6AA
PLA-RP2AA
PLA-RP2.5AA
PLA-RP3AA
PLA-RP4AA
PLA-RP5AA
PLA-RP6AA
Model name
indication
INDOOR UNIT
CHECK TEST RUN
MODEL SELECT
˚C
AMPM
AMPM
NOT AVAILABLE
ON/OFF
TEMP
WIRELESS REMOTE
CONTROLLER
[Service Ref.]
PLA-RP1.6AA.UK
PLA-RP2AA.UK
PLA-RP2.5AA.UK
PLA-RP3AA.UK
PLA-RP3AA
PLA-RP4AA.UK
PLA-RP4AA
PLA-RP5AA.UK
PLA-RP5AA
PLA-RP6AA.UK
PLA-RP6AA
CENTRALLY CONTROLLED
1Hr.
ON OFF
˚C
CHECK
CLOCK
FILTER
CHECK MODE
˚C
TEST RUN
STAND BY
ERROR CODE
FUNCTION
DEFROST
NOT AVAILABLE
TEMP.
ON/OFF
WIRED REMOTE
CONTROLLER
Revision:
• "12. PARTS LIST" has been
modified.
Note:
• This manual does not cover
outdoor units. When serving
them, please refer to the service
manual No.OC294 REVISED
EDITION-D, OC261REVISED
.UK
1
EDITION-D and this manual in a
set.
.UK
• Please void OC297 REVISED
1
EDITION-D.
.UK
1
.
UK
1
CONTENTS
1. TECHNICAL CHANGES ······························2
3. SAFETY PRECAUTION ·······························4
4. PART NAMES AND FUNCTIONS ···············8
5. SPECIFICATIONS ······································11
6. DATA ··························································21
7. OUTLINES AND DIMENSIONS ·················60
8. WIRING DIAGRAM ····································61
9. REFRIGERANT SYSTEM DIAGRAM········62
10. TROUBLESHOOTING ·······························63
11. DISASSEMBLY PROCEDURE ··················74
12. PARTS LIST ···············································77
13. OPTIONAL PARTS ····································84
No.OC297
REVISED EDITION-E
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Table of Contents
Related Manuals for Mitsubishi Electric PLA-RP1.6AA
Summary of Contents for Mitsubishi Electric PLA-RP1.6AA
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Page 1: Table Of Contents
No.OC297 REVISED EDITION-E TECHNICAL & SERVICE MANUAL Indoor unit Revision: [Model names] [Service Ref.] • “12. PARTS LIST” has been modified. PLA-RP1.6AA.UK PLA-RP1.6AA PLA-RP2AA.UK Note: PLA-RP2AA • This manual does not cover PLA-RP2.5AA.UK outdoor units. When serving PLA-RP2.5AA them, please refer to the service PLA-RP3AA.UK... -
Page 2: Technical Changes
PU-P5YGAA.UK and PU-P5YGAA .UK. PLA-RP5AA 2. Corresponding to the addition of connectable outdoor unit, the setting of SW2 (Capacity setting) on the indoor controller board have also changed. PLA-RP5AA.UK PLA-RP5AA REVISED EDITION-B • PLA-RP1.6AA.UK, PLA-RP2AA.UK and PLA-RP2.5AA.UK are added in REVISED EDITION-B. -
Page 3: Combination Of Indoor And Outdoor Units
COMBINATION OF INDOOR AND OUTDOOR UNITS (R410A Inverter) Outdoor unit [ OC294 REVISED EDITION-C ] Heat pump type PUHZ-RP Indoor unit — — — — PLA-RP1.6AA.UK — — — — — — PLA-RP2AA.UK — — — — — — PLA-RP2.5AA.UK —... -
Page 4: 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 charge 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 5 [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 6 CAUTIONS RELATED TO NEW REFRIGERANT Cautions for units utilising 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.
- Page 7 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.
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Page 8: Part Names And Functions
PART NAMES AND FUNCTIONS Indoor Unit Filter Removes dust and pollutants from intake air Horizontal Air Outlet Sets airflow of horizontal automatically during cooling or dehumidifying. Grille Auto Air Swing Vane Disperses airflow up and down and adjusts the angle of airflow direction. -
Page 9: Operation Lamp
Display In this display example on the bot- CENTRALLY CLOCK display tom left, a condition where all dis- CONTROLLED display play lamps light is shown for expla- The current time , start time and stop time can be displayed in ten second nation purposes although this differs This indicates when the unit is con- intervals by pressing the time switch... -
Page 10: Wireless Remote Controller
Wireless remote controller 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 11: Specifications
SPECIFICATIONS Heat pump type (1) Service Ref. PLA-RP1.6AA.UK Item Function Cooling Heating Btu/h 12,300 14,000 Capacity 3,600(1,600~4,500) 4,100(1,600~5,200) Total input 1.07 1.12 Service Ref. PLA-RP1.6AA.UK Single phase, 50Hz, 220-230-240V Power supply (phase, cycle, voltage) Input 0.16 0.16 Running current 0.79 0.79... - Page 12 Service Ref. PLA-RP2.5AA.UK Item Function Cooling Heating Btu/h 20,500 23,900 Capacity 6,000 (2,700~6,700) 7,000 (2,800~8,200) Total input 1.65 1.85 Service Ref. PLA-RP2.5AA.UK Single phase, 50Hz, 220-230-240V Power supply (phase, cycle, voltage) Input 0.16 0.16 Running current 0.79 0.79 Starting current External finish (Panel) Munsell 0.70Y 8.59/0.97 Heat exchanger...
- Page 13 PLA-RP4AA.UK Service Ref. Item PLA-RP4AA Cooling Heating Function Btu/h 34,100 38,200 Capacity 10,000 (5,000~11,400) 11,200 (5,600~14,000) PUHZ-RP4VHA 10,000 (4,900~11,400) 11,200 (4,500~14,000) PUHZ-RP4VHA 3.03 3.39 Total input PLA-RP4AA.UK Service Ref. PLA-RP4AA Single phase, 50Hz, 220-230-240V Power supply (phase, cycle, voltage) Input 0.25 0.25 Running current...
- Page 14 PLA-RP6AA.UK Service Ref. Item PLA-RP6AA Cooling Heating Function Btu/h 47,800 54,600 Capacity 14,000 (6,200~15,300) 16,000 (6,200~18,000) PUHZ-RP6VHA PUHZ-RP6VHA 14,000 (5,500~15,300) 16,000 (5,000~18,000) Total input 4.99 4.91 PLA-RP6AA.UK Service Ref. PLA-RP6AA Power supply (phase, cycle, voltage) Single phase, 50Hz, 220-230-240V Input 0.33 0.33 Running current...
- Page 15 Heat pump type (2) Service Ref. PLA-RP1.6AA.UK Item Function Cooling Heating Btu/h 15,400 16,900 Capacity 4,500 4,950 Total input 1.72 1.70 Service Ref. PLA-RP1.6AA.UK Power supply (phase, cycle, voltage) Single phase, 50Hz, 220-230-240V Input 0.16 0.16 Running current 0.79 0.79...
- Page 16 Service Ref. PLA-RP2.5AA.UK Item Function Cooling Heating Btu/h 22,900 24,900 Capacity 6,700 7,300 Total input 2.57 2.40 Service Ref. PLA-RP2.5AA.UK Power supply (phase, cycle, voltage) Single phase, 50Hz, 220-230-240V Input 0.16 0.16 Running current 0.79 0.79 Starting current External finish (Panel) Munsell 0.70Y 8.59/0.97 Heat exchanger Plate fin coil...
- Page 17 PLA-RP4AA.UK Service Ref. Item PLA-RP4AA Function Cooling Heating Btu/h 32,800 35,800 Capacity 9,600 10,500 Total input 3.68 3.91 PLA-RP4AA.UK Service Ref. PLA-RP4AA Power supply (phase, cycle,voltage) Single phase, 50Hz, 220-230-240V Input 0.25 0.25 Running current 1.25 1.25 Starting current External finish (Panel) Munsell 0.70Y 8.59/0.97 Heat exchanger Plate fin coil...
- Page 18 PLA-RP6AA.UK Service Ref. Item PLA-RP6AA Function Cooling Heating Btu/h 48,500 58,000 Capacity 14,200 17,000 Total input 5.90 6.35 PLA-RP6AA.UK Service Ref. PLA-RP6AA Power supply (phase, cycle, voltage) Single phase, 50Hz, 220-230-240V Input 0.33 0.33 Running current 1.64 1.64 Starting current External finish (Panel) Munsell 0.70Y 8.59/0.97 Heat exchanger...
- Page 19 Cooling only type (3) Service Ref. PLA-RP1.6AA.UK PLA-RP2AA.UK Item Function Cooling Btu/h 15,400 19,100 Capacity 4,500 5,600 Total input 1.72 2.53 PLA-RP1.6AA.UK PLA-RP2AA.UK Service Ref. Power supply (phase, cycle, voltage) Single phase, 50Hz, 220-230-240V Input 0.16 0.16 Running current 0.79 0.79...
- Page 20 Service Ref. PLA-RP3AA.UK PLA-RP4AA.UK Item PLA-RP3AA PLA-RP4AA Function Cooling Btu/h 26,300 32,800 Capacity 7,700 9,600 Total input 3.42 3.68 PLA-RP3AA.UK PLA-RP4AA.UK Service Ref. PLA-RP3AA PLA-RP4AA Power supply (phase, cycle, voltage) Single phase, 50Hz, 220-230-240V Input 0.16 0.25 Running current 0.79 1.25 Starting current External finish (Panel)
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Page 21: Data
DATA 6-1. PERFORMANCE DATA 6-1-1. COOLING CAPACITY (1) PLA-RP1.6AA.UK / PUHZ-RP1.6VHA (230V) Indoor Indoor Outdoor intale air D.B.(˚C) intake air intake air D.B.(˚C) W.B.(˚C) P.C. P.C. P.C. 3564 2816 0.79 0.86 3456 2730 0.79 0.90 3348 2645 0.79 0.96 3816 2557 0.67... - Page 22 COOLING CAPACITY (2) PLA-RP1.6AA.UK / PUHZ-RP1.6VHA (230V) Indoor Indoor Outdoor intale air D.B.(˚C) intake air intake air D.B.(˚C) W.B.(˚C) P.C. P.C. P.C. 3204 2531 0.79 1.03 3060 2417 0.79 1.10 2916 2304 0.79 1.19 3456 2316 0.67 1.05 3348 2243 0.67...
- Page 23 COOLING CAPACITY (3) PLA-RP2AA.UK / PUHZ-RP2VHA (230V) Indoor Indoor Outdoor intale air D.B.(˚C) intake air intake air D.B.(˚C) W.B.(˚C) P.C. P.C. P.C. 4950 3762 0.76 1.24 4800 3648 0.76 1.31 4650 3534 0.76 1.39 5300 3392 0.64 1.26 5150 3296 0.64 1.33 4975...
- Page 24 COOLING CAPACITY (4) PLA-RP2AA.UK / PUHZ-RP2VHA (230V) Indoor Indoor Outdoor intale air D.B.(˚C) intake air intake air D.B.(˚C) W.B.(˚C) P.C. P.C. P.C. 4450 3382 0.76 1.49 4250 3230 0.76 1.60 4050 3078 0.76 1.73 4800 3072 0.64 1.53 4650 2976 0.64 1.64 4350...
- Page 25 COOLING CAPACITY (5) PLA-RP2.5AA.UK / PUHZ-RP2.5VHA PUHZ-RP2.5VHA (230V) Indoor Indoor Outdoor intale air D.B.(˚C) intake air intake air D.B.(˚C) W.B.(˚C) P.C. P.C. P.C. 5940 4039 0.68 1.32 5760 3917 0.68 1.39 5580 3794 0.68 1.48 6360 3562 0.56 1.34 6180 3461 0.56 1.42...
- Page 26 COOLING CAPACITY (6) PLA-RP2.5AA.UK / PUHZ-RP2.5VHA PUHZ-RP2.5VHA (230V) Indoor Indoor Outdoor intale air D.B.(˚C) intake air intake air D.B.(˚C) W.B.(˚C) P.C. P.C. P.C. 5340 3631 0.68 1.58 5100 3468 0.68 1.70 4860 3305 0.68 1.84 5760 3226 0.56 1.63 5580 3125 0.56 1.75...
- Page 27 COOLING CAPACITY (7) PLA-RP3AA.UK PLA-RP3AA .UK / PUHZ-RP3VHA PUHZ-RP3VHA (230V) Indoor Indoor Outdoor intale air D.B.(˚C) intake air intake air D.B.(˚C) W.B.(˚C) P.C. P.C. P.C. 7,029 4,499 0.64 1.58 6,816 4,362 0.64 1.66 6,603 4,226 0.64 1.76 7,526 3,914 0.52 1.61 7,313 3,803...
- Page 28 COOLING CAPACITY (8) PLA-RP3AA.UK PLA-RP3AA .UK / PUHZ-RP3VHA PUHZ-RP3VHA (230V) Indoor Indoor Outdoor intale air D.B.(˚C) intake air intake air D.B.(˚C) W.B.(˚C) P.C. P.C. P.C. 6,319 4,044 0.64 1.89 6,035 3,862 0.64 2.03 5,751 3,681 0.64 2.20 6,816 3,544 0.52 1.94 6,603 3,434...
- Page 29 COOLING CAPACITY (9) PLA-RP4AA.UK PLA-RP4AA .UK / PUHZ-RP4VHA PUHZ-RP4VHA (230V) Indoor Indoor Outdoor intale air D.B.(˚C) intake air intake air D.B.(˚C) W.B.(˚C) P.C. P.C. P.C. 9,900 6,435 0.65 2.42 9,600 6,240 0.65 2.56 9,300 6,045 0.65 2.71 10,600 5,618 0.53 2.47 10,300 5,459...
- Page 30 COOLING CAPACITY (10) PLA-RP4AA.UK PLA-RP4AA .UK / PUHZ-RP4VHA PUHZ-RP4VHA (230V) Indoor Indoor Outdoor intale air D.B.(˚C) intake air intake air D.B.(˚C) W.B.(˚C) P.C. P.C. P.C. 8,900 5,785 0.65 2.91 8,500 5,525 0.65 3.12 8,100 5,265 0.65 3.38 9,600 5,088 0.53 2.98 9,300 4,929...
- Page 31 COOLING CAPACITY (11) PLA-RP5AA.UK PLA-RP5AA .UK / PUHZ-RP5VHA PUHZ-RP5VHA (230V) Indoor Indoor Outdoor intale air D.B.(˚C) intake air intake air D.B.(˚C) W.B.(˚C) P.C. P.C. P.C. 12,375 7,920 0.64 3.11 12,000 7,680 0.64 3.29 11,625 7,440 0.64 3.48 13,250 6,890 0.52 3.17 12,875 6,695...
- Page 32 COOLING CAPACITY (12) PLA-RP5AA.UK PLA-RP5AA .UK / PUHZ-RP5VHA PUHZ-RP5VHA (230V) Indoor Indoor Outdoor intale air D.B.(˚C) intake air intake air D.B.(˚C) W.B.(˚C) P.C. P.C. P.C. 11,125 7,120 0.64 3.73 10,625 6,800 0.64 4.01 10,125 6,480 0.64 4.34 12,000 6,240 0.52 3.83 11,625 6,045...
- Page 33 COOLING CAPACITY (13) PLA-RP6AA.UK PLA-RP6AA .UK / PUHZ-RP6VHA PUHZ-RP6VHA (230V) Indoor Indoor Outdoor intale air D.B.(˚C) intake air intake air D.B.(˚C) W.B.(˚C) P.C. P.C. P.C. 13,860 8,455 0.61 3.99 13,440 8,198 0.61 4.22 13,020 7,942 0.61 4.47 14,840 7,272 0.49 4.07 14,420 7,066...
- Page 34 COOLING CAPACITY (14) PLA-RP6AA.UK PLA-RP6AA .UK / PUHZ-RP6VHA PUHZ-RP6VHA (230V) Indoor Indoor Outdoor intale air D.B.(˚C) intake air intake air D.B.(˚C) W.B.(˚C) P.C. P.C. P.C. 12,460 7,601 0.61 4.79 11,900 7,259 0.61 5.14 11,340 6,917 0.61 5.56 13,440 6,586 0.49 4.92 13,020 6,380...
- Page 35 COOLING CAPACITY (15) PLA-RP1.6AA.UK / PUH-P1.6VGAA.UK PUH-P1.6YGAA.UK PUH-P1.6YGAA PUH-P1.6VGAA PU-P1.6VGAA.UK PU-P1.6YGAA.UK PU-P1.6VGAA PU-P1.6YGAA (230V) Indoor Indoor Outdoor intale air D.B.(˚C) intake air intake air D.B.(˚C) W.B.(˚C) P.C. P.C. P.C. 4455 2896 0.65 1.38 4320 2808 0.65 1.45 4185 2720 0.65 1.54...
- Page 36 COOLING CAPACITY (16) PLA-RP1.6AA.UK / PUH-P1.6VGAA.UK PUH-P1.6YGAA.UK PUH-P1.6VGAA PUH-P1.6YGAA PU-P1.6VGAA.UK PU-P1.6YGAA.UK PU-P1.6VGAA PU-P1.6YGAA (230V) Indoor Indoor Outdoor intale air D.B.(˚C) intake air intake air D.B.(˚C) W.B.(˚C) P.C. P.C. P.C. 4005 2603 0.65 1.65 3825 2486 0.65 1.77 3645 2369 0.65 1.92...
- Page 37 COOLING CAPACITY (17) PLA-RP2AA.UK / PUH-P2VGAA.UK PUH-P2YGAA.UK PUH-P2YGAA PUH-P2VGAA PU-P2VGAA.UK PU-P2YGAA.UK PU-P2VGAA PU-P2YGAA (230V) Indoor Indoor Outdoor intale air D.B.(˚C) intake air intake air D.B.(˚C) W.B.(˚C) P.C. P.C. P.C. 5544 3992 0.72 2.02 5376 3871 0.72 2.14 5208 3750 0.72 2.26 5936 3562...
- Page 38 COOLING CAPACITY (18) PLA-RP2AA.UK / PUH-P2VGAA.UK PUH-P2YGAA.UK PUH-P2YGAA PUH-P2VGAA PU-P2VGAA.UK PU-P2YGAA.UK PU-P2VGAA PU-P2YGAA (230V) Indoor Indoor Outdoor intale air D.B.(˚C) intake air intake air D.B.(˚C) W.B.(˚C) P.C. P.C. P.C. 4984 3588 0.72 2.43 4760 3427 0.72 2.61 4536 3266 0.72 2.82 5376 3226...
- Page 39 COOLING CAPACITY (19) PLA-RP2.5AA.UK / PUH-P2.5VGAA.UK PUH-P2.5YGAA.UK PUH-P2.5VGAA PUH-P2.5YGAA PU-P2.5VGAA.UK PU-P2.5YGAA.UK PU-P2.5VGAA PU-P2.5YGAA (230V) Indoor Indoor Outdoor intale air D.B.(˚C) intake air intake air D.B.(˚C) W.B.(˚C) P.C. P.C. P.C. 6633 4112 0.62 2.06 6432 3988 0.62 2.17 6231 3863 0.62 2.30 6901 3451...
- Page 40 COOLING CAPACITY (20) PLA-RP2.5AA.UK / PUH-P2.5VGAA.UK PUH-P2.5YGAA.UK PUH-P2.5VGAA PUH-P2.5YGAA PU-P2.5VGAA.UK PU-P2.5YGAA.UK PU-P2.5VGAA PU-P2.5YGAA (230V) Indoor Indoor Outdoor intale air D.B.(˚C) intake air intake air D.B.(˚C) W.B.(˚C) P.C. P.C. P.C. 5963 3697 0.62 2.47 5695 3531 0.62 2.65 5427 3365 0.62 2.87 6432 3216...
- Page 41 COOLING CAPACITY (21) PLA-RP3AA.UK PLA-RP3AA .UK / PUH-P3VGAA.UK PUH-P3YGAA.UK PUH-P3VGAA PUH-P3YGAA PU-P3VGAA.UK PU-P3YGAA.UK PU-P3VGAA PU-P3YGAA (230V) Indoor Indoor Outdoor intale air D.B.(˚C) intake air intake air D.B.(˚C) W.B.(˚C) P.C. P.C. P.C. 7623 4879 0.64 2.74 7392 4731 0.64 2.89 7161 4583 0.64 3.06...
- Page 42 COOLING CAPACITY (22) PLA-RP3AA.UK PLA-RP3AA .UK / PUH-P3VGAA.UK PUH-P3YGAA.UK PUH-P3VGAA PUH-P3YGAA PU-P3VGAA.UK PU-P3YGAA.UK PU-P3VGAA PU-P3YGAA (230V) Indoor Indoor Outdoor intale air D.B.(˚C) intake air intake air D.B.(˚C) W.B.(˚C) P.C. P.C. P.C. 6853 4386 0.64 3.28 6545 4189 0.64 3.52 6237 3992 0.64 3.81...
- Page 43 COOLING CAPACITY (23) PLA-RP4AA.UK PLA-RP4AA .UK / PUH-P4VGAA.UK PUH-P4YGAA.UK PUH-P4VGAA PUH-P4YGAA PU-P4VGAA.UK PU-P4YGAA.UK PU-P4VGAA PU-P4YGAA (230V) Indoor Indoor Outdoor intale air D.B.(˚C) intake air intake air D.B.(˚C) W.B.(˚C) P.C. P.C. P.C. 9504 6463 0.68 2.94 9216 6267 0.68 3.11 8928 6071 0.68 3.29...
- Page 44 COOLING CAPACITY (24) PLA-RP4AA.UK PLA-RP4AA .UK / PUH-P4VGAA.UK PUH-P4YGAA.UK PUH-P4VGAA PUH-P4YGAA PU-P4VGAA.UK PU-P4YGAA.UK PU-P4VGAA PU-P4YGAA (230V) Indoor Indoor Outdoor intale air D.B.(˚C) intake air intake air D.B.(˚C) W.B.(˚C) P.C. P.C. P.C. 8544 5810 0.68 3.53 8160 5549 0.68 3.79 7776 5288 0.68 4.10...
- Page 45 COOLING CAPACITY (25) PLA-RP5AA .UK / PUH-P5YGAA.UK PUH-P5YGAA PU-P5YGAA.UK PU-P5YGAA (230V) Indoor Indoor Outdoor intale air D.B.(˚C) intake air intake air D.B.(˚C) W.B.(˚C) P.C. P.C. P.C. 13167 8164 0.62 4.07 12768 7916 0.62 4.30 12369 7669 0.62 4.56 14098 7049 0.50 4.15 13699...
- Page 46 COOLING CAPACITY (26) PLA-RP5AA .UK / PUH-P5YGAA.UK PUH-P5YGAA PU-P5YGAA.UK PU-P5YGAA (230V) Indoor Indoor Outdoor intale air D.B.(˚C) intake air intake air D.B.(˚C) W.B.(˚C) P.C. P.C. P.C. 11837 7339 0.62 4.89 11305 7009 0.62 5.24 10773 6679 0.62 5.68 12768 6384 0.50 5.01 12369...
- Page 47 COOLING CAPACITY (27) PLA-RP6AA.UK PLA-RP6AA .UK / PUH-P6YGAA.UK PUH-P6YGAA PU-P6YGAA.UK PU-P6YGAA (230V) Indoor Indoor Outdoor intale air D.B.(˚C) intake air intake air D.B.(˚C) W.B.(˚C) P.C. P.C. P.C. 14058 8294 0.59 4.72 13632 8043 0.59 4.99 13206 7792 0.59 5.28 15052 7074 0.47 4.81...
- Page 48 COOLING CAPACITY (28) PLA-RP6AA.UK PLA-RP6AA .UK / PUH-P6YGAA.UK PUH-P6YGAA PU-P6YGAA.UK PU-P6YGAA (230V) Indoor Indoor Outdoor intale air D.B.(˚C) intake air intake air D.B.(˚C) W.B.(˚C) P.C. P.C. P.C. 12638 7456 0.59 5.66 12070 7121 0.59 6.08 11502 6786 0.59 6.58 13632 6407 0.47 5.81...
- Page 49 P.C. P.C. P.C. P.C. P.C. P.C. D.B. (˚C) 2,604 0.66 2,829 0.73 3,157 0.84 4,141 1.01 4,674 1.12 5,207 1.21 PLA-RP1.6AA.UK 2,501 0.72 2,706 0.78 2,993 0.91 3,998 1.09 4,510 1.21 5,023 1.30 2,419 0.76 2,624 0.85 2,870 0.99 3,772 1.15...
- Page 50 6-2. PERFORMANCE CURVE PLA-RP•AA.UK PLA-RP•AA .UK / PUHZ-RP•VHA 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 INDOOR In some cases, heating operation W.B.(°C) cannot be conducted with the maximum D.B.(°C) frequency in the area below the slanting line.
- Page 51 .UK / PUHZ-RP•VHA PUHZ-RP•VHA Cooling capacity correction factors Refrigerant piping length (one way) Service Ref. — — — 1.00 0.992 0.976 0.962 0.949 0.936 0.930 PLA-RP1.6AA.UK 1.00 0.985 0.957 0.931 0.908 0.886 0.876 PLA-RP2AA.UK — — — 1.00 0.992 0.976 0.962...
- Page 52 6-4. STANDARD OPERATION DATA Heat pump type(1) PLA-RP1.6AA.UK PLA-RP2AA.UK PLA-RP2.5AA.UK Service Ref. Cooling Heating Cooling Heating Cooling Heating Mode 3,600 4,100 5,000 6,000 6,000 7,000 Capacity 1.07 1.12 1.55 1.62 1.65 1.85 Input PLA-RP1.6AA.UK PLA-RP2AA.UK PLA-RP2.5AA.UK Indoor unit Service Ref.
- Page 53 PLA-RP3AA.UK PLA-RP4AA.UK PLA-RP5AA.UK PLA-RP6AA.UK Service Ref. PLA-RP3AA PLA-RP4AA PLA-RP5AA PLA-RP6AA Mode Cooling Heating Cooling Heating Cooling Heating Cooling Heating Capacity 7,100 8,000 10,000 11,200 12,500 14,000 14,000 16,000 Input 1.97 2.34 3.03 3.39 3.89 4.27 4.99 4.91 PLA-RP3AA.UK PLA-RP4AA.UK PLA-RP5AA.UK PLA-RP6AA.UK Indoor unit Service Ref.
- Page 54 Heat pump type (2) Service Ref. PLA-RP2AA.UK PLA-RP2.5AA.UK PLA-RP1.6AA.UK Mode Cooling Heating Cooling Heating Cooling Heating Capacity 4,500 4,950 5,600 6,350 6,700 7,300 Input 1.72 1.70 2.53 2.20 2.57 2.40 Indoor unit Service Ref. PLA-RP1.6AA.UK PLA-RP2AA.UK PLA-RP2.5AA.UK Phase , Hz...
- Page 55 PLA-RP4AA.UK PLA-RP6AA.UK PLA-RP3AA.UK Service Ref. PLA-RP5AA PLA-RP4AA PLA-RP6AA PLA-RP3AA Mode Cooling Heating Cooling Heating Cooling Heating Cooling Heating Capacity 7,700 9,200 9,600 10,500 13,300 15,600 14,200 17,000 Input 3.42 3.48 3.68 3.91 5.09 5.54 5.90 6.35 PLA-RP3AA.UK PLA-RP4AA.UK PLA-RP6AA.UK Indoor unit Service Ref. .UK PLA-RP5AA PLA-RP3AA PLA-RP4AA...
- Page 56 Cooling only type (3) PLA-RP1.6AA.UK PLA-RP2AA.UK Service Ref. PLA-RP2.5AA.UK Mode Cooling Cooling Cooling Capacity 4,500 5,600 6,700 Input 1.72 2.53 2.57 PLA-RP1.6AA.UK PLA-RP2AA.UK PLA-RP2.5AA.UK Indoor unit Service Ref. Phase , Hz 1 , 50 1 , 50 1 , 50...
- Page 57 The unit of pressure has been changed to MPa based on international SI system. The conversion factor is : 1(MPa)=10.2(kgf/f 6-5. OUTLET AIR SPEED AND COVERAGE RANGE PLA-RP3AA.UK PLA-RP4AA.UK PLA-RP5AA.UK PLA-RP6AA.UK PLA-RP1.6AA.UK PLA-RP2AA.UK PLA-RP2.5AA.UK PLA-RP3AA PLA-RP4AA PLA-RP5AA PLA-RP6AA Air flow /min.
- Page 58 6-6. NOISE CRITERION CURVES NOTCH SPL(dB) LINE NOTCH SPL(dB) LINE High High PLA-RP1.6AA.UK PLA-RP2AA.UK Medium1 Medium1 PLA-RP2.5AA.UK Medium2 Medium2 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 HEARING FOR NC-20...
- Page 59 NOTCH SPL(dB) LINE NOTCH SPL(dB) LINE High High PLA-RP5AA.UK PLA-RP6AA.UK Medium1 Medium1 PLA-RP5AA PLA-RP6AA Medium2 Medium2 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 HEARING FOR NC-20 NC-20 CONTINUOUS CONTINUOUS NOISE NOISE 1000...
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Page 60: Outlines And Dimensions
OUTLINES AND DIMENSIONS PLA-RP1.6AA.UK PLA-RP2AA.UK PLA-RP2.5AA.UK Unit : mm PLA-RP3AA.UK PLA-RP4AA.UK PLA-RP5AA.UK PLA-RP6AA.UK PLA-RP3AA .UK PLA-RP4AA .UK PLA-RP5AA .UK PLA-RP6AA Ceiling hole 20 - 45 860 - 910 20 - 45 Branch duct hole Fresh air intake (Cut out hole) -
Page 61: Wiring Diagram
WIRING DIAGRAM PLA-RP1.6AA.UK PLA-RP2AA.UK PLA-RP2.5AA.UK PLA-RP3AA.UK PLA-RP4AA.UK PLA-RP5AA.UK PLA-RP6AA.UK PLA-RP3AA .UK PLA-RP4AA .UK PLA-RP5AA .UK PLA-RP6AA [LEGEND] SYMBOL NAME SYMBOL NAME SYMBOL NAME INDOOR POWER BOARD VANE MOTOR WIRELESS REMOTE CONTROLLER BOARD FUSE (4A) RECEIVING UNIT DRAIN PUMP VARISTOR DRAIN SENSOR... -
Page 62: Refrigerant System Diagram
REFRIGERANT SYSTEM DIAGRAM PLA-RP1.6AA.UK PLA-RP2AA.UK PLA-RP2.5AA.UK PLA-RP3AA.UK PLA-RP4AA.UK PLA-RP5AA.UK PLA-RP6AA.UK PLA-RP3AA .UK PLA-RP4AA .UK PLA-RP5AA .UK PLA-RP6AA Strainer(#50) Heat exchanger Refrigerant GAS pipe connection (Flare) Thermistor TH5 (Cond./Eva. temperature) Refrigerant flow in cooling Refrigerant flow in heating Refrigerant LIQUID pipe connection... -
Page 63: Troubleshooting
TROUBLESHOOTING 10-1. 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 inferior phenomenon is reoccurring at service, are sum- marised in the table below. - Page 64 Note: Refer to the manual of outdoor unit for the details of display such as F, U, and other E. 10-2. SELF-DIAGNOSIS ACTION TABLE Error Code Meaning of error code and detection method Judgment and action Case Abnormality of room temperature 1 Defective thermistor 1–3 Check resistance value of thermistor.
- Page 65 Error Code Meaning of error code and detection method Judgment and action Case 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 66 Error Code Meaning of error code and detection method Judgment and action Case 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 67 10-3. TROUBLESHOOTING BY INFERIOR PHENOMENA Note: Refer to the manual of outdoor unit for the detail of remote controller. Phenomena Factor 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 68: Emergency Operation
10-4. EMERGENCY OPERATION 10-4-1. 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 69 10-5. HOW TO CHECK THE PARTS PLA-RP1.6AA.UK PLA-RP2AA.UK PLA-RP2.5AA.UK PLA-RP3AA.UK PLA-RP3AA PLA-RP4AA.UK PLA-RP4AA PLA-RP5AA.UK PLA-RP5AA PLA-RP6AA.UK PLA-RP6AA Parts name Check points Room temperature Disconnect the connector then measure the resistance using a tester. thermistor (TH1) (Surrounding temperature 10:~30:) Pipe temperature...
- Page 70 <Thermistor Characteristic graph> Room temperature thermistor(TH1) Thermistor for < Thermistor for lower temperature > Pipe temperature thermistor/liquid(TH2) lower temperature Condenser/evaporator temperature thermistor(TH5) Thermistor R =15k' ± 3% Fixed number of B=3480K ± 2% Rt=15exp { 3480( 273+t 15k' 9.6k' 6.3k' 5.4k' 4.3k' 3.0k'...
- Page 71 10-6. TEST POINT DIAGRAM 10-6-1. Power board PLA-RP1.6AA.UK PLA-RP2AA.UK CN2S PLA-RP2.5AA.UK Connect to the indoor controller – PLA-RP3AA.UK PLA-RP3AA board (CN2D) PLA-RP4AA.UK PLA-RP4AA (12~16V DC) PLA-RP5AA.UK PLA-RP5AA PLA-RP6AA.UK PLA-RP6AA CN02 Connect to the indoor controller board (CN03) Between 1 and 2 0~24V DC –...
- Page 72 10-6-2. Controller board PLA-RP1.6AA.UK PLA-RP2AA.UK PLA-RP2.5AA.UK PLA-RP3AA.UK PLA-RP3AA PLA-RP4AA.UK PLA-RP4AA PLA-RP5AA.UK PLA-RP5AA PLA-RP6AA.UK PLA-RP6AA CN22 CN90 CN2D Connect to the terminal block(TB5) CN32 Connect to the wireless Connect to the indoor (Remote controller connecting wire) Connector CN6V remote controller board...
- Page 73 10-7. FUNCTIONS OF JUMPER WIRE Each function is controlled by the jumper wire on control p.c. board. For service parts, J11- J15 and J21-J24, DIP switches (SW1 and SW2) are equipped with jumper wire. (Marks in the table below) Jumper wire ( : Short : Open) DIP switch...
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Page 74: Disassembly Procedure
DISASSEMBLY PROCEDURE PLA-RP1.6AA.UK PLA-RP2AA.UK PLA-RP2.5AA.UK PLA-RP3AA.UK PLA-RP4AA.UK PLA-RP5AA.UK PLA-RP6AA.UK Be careful on removing heavy parts. PLA-RP3AA .UK PLA-RP4AA .UK PLA-RP5AA .UK PLA-RP6AA OPERATING PROCEDURE PHOTOS & ILLUSTRATIONS 1. Removing the air intake grille Figure 1 (1) Slide the knob of air intake grille toward the arrow 1 to open the air intake grille. - Page 75 OPERATING PROCEDURE PHOTOS & ILLUSTRATIONS 5. Removing the fan motor Photo 4 (1) Remove the fan guard.(See photo 1) Fan motor (2) Remove the bell mouth.(See photo 2) (3) Remove the electrical box.(See photo 3) (4) Remove the turbo fan nut. (5) Pull out the turbo fan.
- Page 76 OPERATING PROCEDURE PHOTOS & ILLUSTRATIONS 9. Removing the drain pump and drain sensor Photo 8 (1) Remove the panel. (See photo 6) (2) Remove the fan guard. (See photo 1) (3) Remove the bell mouth. (See photo 2) (4) Remove the electrical box. (See photo 3) (5) Remove the drain pan.
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Page 77: Parts List
PARTS LIST PANEL PARTS PLA-RP1.6AA.UK PLA-RP2AA.UK PLA-RP2.5AA.UK GEAR PLA-RP3AA.UK PLA-RP3AA GEAR PLA-RP4AA.UK PLA-RP4AA (VANE) PLA-RP5AA.UK PLA-RP5AA PLA-RP6AA.UK PLA-RP6AA VANE BUSH STEPPING MOTOR RECEIVER CHECK TEST RUN MODEL SELECT ˚C AMPM AMPM NOT AVAILABLE CENTRALLY CONTROLLED 1Hr. ON/OFF TEMP ON OFF ˚C... - Page 78 FUNCTIONAL PARTS PLA-RP1.6AA.UK PLA-RP2AA.UK PLA-RP2.5AA.UK MOTOR CAP SPL WASHER CONDENSER EVAPORATOR TEMPERATURE THERMISTOR PIPE TEMPERATURE THERMISTOR Q'ty / set Remarks Price Wiring Recom- Specifi- Parts No. Parts Name PLA-RP1.6AA.UK (Drawing Diagram mended cation PLA-RP2AA.UK PLA-RP2.5AA.UK Symbol Q'ty No.) Unit Amount...
- Page 79 FUNCTIONAL PARTS PLA-RP3AA.UK PLA-RP3AA PLA-RP4AA.UK PLA-RP4AA MOTOR CAP SPL WASHER CONDENSER EVAPORATOR TEMPERATURE THERMISTOR PIPE TEMPERATURE THERMISTOR FLARE NUT (Only R410A) Q'ty / set Remarks Price Wiring Recom- Specifi- Parts No. Parts Name (Drawing PLA-RP3AA.UK PLA-RP4AA.UK Diagram mended cation Symbol Q'ty No.) Unit...
- Page 80 FUNCTIONAL PARTS PLA-RP5AA.UK PLA-RP5AA PLA-RP6AA.UK PLA-RP6AA MOTOR CAP SPL WASHER CONDENSER EVAPORATOR TEMPERATURE THERMISTOR PIPE TEMPERATURE THERMISTOR FLARE NUT (Only R410A) Q'ty / set Remarks Price Wiring Recom- Specifi- Parts No. Parts Name (Drawing PLA-RP5AA.UK PLA-RP6AA.UK Diagram mended cation Symbol Q'ty No.) Unit...
- Page 81 FUNCTIONAL PARTS PLA-RP1.6AA.UK PLA-RP2AA.UK PLA-RP2.5AA.UK DRAIN PLUG DRAIN PLUG CAPACITOR TERMINAL BLOCK TERMINAL BLOCK ROOM TEMPERATURE THERMISTOR Part numbers that is circled is not shown in the figure. Q'ty / set Price Wiring Recom- Remarks PLA-RP1.6AA.UK Specification Parts No. Parts Name...
- Page 82 FUNCTIONAL PARTS PLA-RP3AA.UK PLA-RP3AA PLA-RP4AA.UK PLA-RP4AA DRAIN PLUG DRAIN PLUG CAPACITOR TERMINAL BLOCK TERMINAL BLOCK ROOM TEMPERATURE THERMISTOR Part numbers that is circled is not shown in Q'ty / set Price Remarks Wiring Recom- Specifi- (Drawing Parts No. Parts Name PLA-RP3AA.UK PLA-RP4AA.UK Diagram...
- Page 83 FUNCTIONAL PARTS PLA-RP5AA.UK PLA-RP5AA PLA-RP6AA.UK PLA-RP6AA DRAIN PLUG DRAIN PLUG CAPACITOR TERMINAL BLOCK TERMINAL BLOCK ROOM TEMPERATURE THERMISTOR Part numbers that is circled is not shown in the figure. Q'ty / set Price Remarks Wiring Recom- Specifi- (Drawing Parts No. Parts Name Diagram PLA-RP5AA.UK...
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Page 84: Optional Parts
OPTIONAL PARTS 13-1. PROGRAM TIMER Part No. PAC-YT32PTA 13-1-1. Names and functions <PAC-YT32PTA> MODE A MODE B M O NIT O R SET BACK SET/MONITOR MODE A/B/OFF SET BACK DAILY TIMER MODE A/B WEEKLY SETTING ON/OFF/SET BACK CLOCK TODAY PAC-YT32PTA DAILY SETTING A SET/MONITOR DISPLAY: 1 SET/MONITOR Button... - Page 85 13-2. MULTI-FUNCTIONAL CASEMENT Part No. PAC-SG03TM-E PLA-RP1.6,2,2.5,3,4,5,6AA.UK Applied Service Ref. PLA-RP3,4,5,6AA 13-3. HIGH-EFFICIENCY FILTER ELEMENT (13-2. MULTI-FUNCTIONAL CASEMENT is needed.) Part No. PAC-SG01KF PLA-RP1.6,2,2.5,3,4,5,6AA.UK Applied Service Ref. PLA-RP3,4,5,6AA 13-4. GRILLE + WIRELESS REMOTE CONTROLLER Part No. PLP-6AALM PLA-RP1.6,2,2.5,3,4,5,6AA.UK Applied Service Ref. PLA-RP3,4,5,6AA 13-5.
- Page 86 HEAD OFFICE : MITSUBISHI DENKI BLDG., 2-2-3 MARUNOUCHI CHIYODA-KU , TOKYO 100-8310 , JAPAN cCopyright 2003 MITSUBISHI ELECTRIC ENGINEERING CO., LTD. Distributed in May 2005 No. OC297 REVISED EDITION-E PDF 8 Distributed in Feb. 2005 No. OC297 REVISED EDITION-D PDF 8 Distributed in Jul.