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Mitsubishi Electric Mr.SLIM PLA-RP3AA Technical & Service Manual

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SPLIT-TYPE, HEAT PUMP AIR CONDITIONERS
SPLIT-TYPE, AIR CONDITIONERS
TECHNICAL & SERVICE MANUAL
Series PLA
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
Ceiling Cassettes
[Service Ref.]
PLA-RP1.6AA
PLA-RP2AA
PLA-RP2.5AA
PLA-RP3AA
PLA-RP3AA
PLA-RP4AA
PLA-RP4AA
PLA-RP5AA
PLA-RP5AA
PLA-RP6AA
PLA-RP6AA
CENTRALLY CONTROLLED
1Hr.
ON OFF
˚C
CLOCK
CHECK
FILTER
CHECK MODE
˚C
TEST RUN
STAND BY
ERROR CODE
DEFROST
NOT AVAILABLE
FUNCTION
TEMP.
ON/OFF
WIRED REMOTE
CONTROLLER
R407C/R410A
• PLA-RP1.6AA, PLA-RP2AA
and PLA-RP2.5AA are added in
REVISED EDITION-B.
• This manual does not cover outdoor
units.
When serving them, please refer to
the service manual No.OC294
REVISED EDITION-B, OC285
REVISED EDITION-A, OC298 and
this manual in a set.
1
• Please void OC293 REVISED
EDITION-A.
1
1
1
CONTENTS
1. TECHNICAL CHANGES ······························2
3. SAFETY PRECAUTION ·······························4
4. PART NAMES AND FUNCTIONS ···············8
5. SPECIFICATIONS ······································11
6. DATA ··························································23
7. OUTLINES AND DIMENSIONS ·················62
8. WIRING DIAGRAM ····································63
10. TROUBLESHOOTING ·······························65
11. DISASSEMBLY PROCEDURE ··················76
12. PARTS LIST ···············································79
13. OPTIONAL PARTS ····································86
2004
No.OC293
REVISED EDITION-B

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Summary of Contents for Mitsubishi Electric Mr.SLIM PLA-RP3AA

  • Page 1: Table Of Contents

    SPLIT-TYPE, HEAT PUMP AIR CONDITIONERS 2004 SPLIT-TYPE, AIR CONDITIONERS No.OC293 REVISED EDITION-B TECHNICAL & SERVICE MANUAL Series PLA Ceiling Cassettes R407C/R410A Indoor unit • PLA-RP1.6AA, PLA-RP2AA [Model names] [Service Ref.] and PLA-RP2.5AA are added in REVISED EDITION-B. PLA-RP1.6AA • This manual does not cover outdoor PLA-RP1.6AA units.

  • Page 2: Technical Changes

    TECHNICAL CHANGES REVISED EDITION-A PLA-RP3,4,5,6AA PLA-RP3,4,5,6AA 1. The units that can be connected have been changed as follows. OC293 (PLA-RP•AA) OC293 REVISED EDITION-A (PLA-RP•AA, AA OC294 OC294 OC285 OC298 R410A R410A R407C PUHZ-RP3VHA PUH-P3VGAA PU-P3VGAA PUHZ-RP3VHA PUHZ-RP4VHA PUH-P3YGAA PU-P3YGAA PUHZ-RP5VHA PUHZ-RP4VHA PUH-P4YGAA PU-P4YGAA...

  • Page 3: Combination Of Indoor And Outdoor Units

    COMBINATION OF INDOOR AND OUTDOOR UNITS (R410A Inverter) Outdoor unit [ OC294 REVISED EDITION-B ] Heat pump type PUHZ-RP Indoor unit — — — — PLA-RP1.6AA — — PLA-RP2AA — — — — — — — — — — PLA-RP2.5AA —...

  • 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.

  • 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 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 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 5-1. SPECIFICATIONS Heat Pump type(1) Service Ref. PLA-RP1.6AA 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 PLA-RP1.6AA Service Ref. Single phase, 50Hz, 220-230-240V Power supply (phase, cycle, voltage) Input 0.16 0.16 Running current 0.79 0.79 Starting current...
  • Page 12 Service Ref. PLA-RP2.5AA 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 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 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 Service Ref. PLA-RP4AA Power supply (phase, cycle, voltage) Single phase, 50Hz, 220-230-240V Input 0.25 0.25 Running current...
  • Page 14 PLA-RP6AA Service Ref. Item PLA-RP6AA Cooling Heating Function Btu/h 47,800 54,600 14,000 (6,200~15,300) Capacity 16,000 (6,200~18,000) PUHZ-RP6VHA 14,000 (5,500~15,300) PUHZ-RP6VHA 16,000 (5,000~18,000) Total input 4.99 4.91 PLA-RP6AA 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 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 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...
  • Page 16 Service Ref. PLA-RP2.5AA 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 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 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 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 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 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 PLA-RP2AA Item Function Cooling Btu/h 15,400 19,100 Capacity 4,500 5,600 Total input 1.72 2.53 PLA-RP1.6AA PLA-RP2AA Service Ref. 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)
  • Page 20 Service Ref. PLA-RP3AA PLA-RP4AA 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 PLA-RP4AA 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)
  • Page 21 5-2. Electrical parts specifications Model PLA-RP3AA Symbol PLA-RP1.6AA PLA-RP2AA PLA-RP2.5AA PLA-RP3AA Parts name Room temperature Resistance 0:/15k", 10:/9.6k", 20:/6.3k", 25:/5.2k", 30:/4.3k", 40:/3.0k" thermistor Pipe temperature Resistance 0:/15k", 10:/9.6k", 20:/6.3k", 25:/5.2k", 30:/4.3k", 40:/3.0k" thermistor/ Liquid) Condenser / Evaporator Resistance 0:/15k", 10:/9.6k", 20:/6.3k", 25:/5.2k", 30:/4.3k", 40:/3.0k" temperature thermistor Fuse 250V 4.0A...
  • Page 22 Model PLA-RP4AA PLA-RP5AA PLA-RP6AA Symbol PLA-RP4AA PLA-RP5AA PLA-RP6AA Parts name Room temperature Resistance 0:/15k", 10:/9.6k", 20:/6.3k", 25:/5.2k", 30:/4.3k", 40:/3.0k" thermistor Pipe temperature Resistance 0:/15k", 10:/9.6k", 20:/6.3k", 25:/5.2k", 30:/4.3k", 40:/3.0k" thermistor/ Liquid) Condenser / Evaporator Resistance 0:/15k", 10:/9.6k", 20:/6.3k", 25:/5.2k", 30:/4.3k", 40:/3.0k" temperature thermistor Fuse 250V 4.0A...

  • Page 23: Data

    DATA 6-1. PERFORMANCE DATA 6-1-1. COOLING CAPACITY (1) PLA-RP1.6AA / 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 0.87...
  • Page 24 COOLING CAPACITY (2) PLA-RP1.6AA / 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 1.05 3348 2243 0.67 1.13 3132 2098 0.67 1.22...
  • Page 25 COOLING CAPACITY (3) PLA-RP2AA / 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 26 COOLING CAPACITY (4) PLA-RP2AA / 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 27 COOLING CAPACITY (5) PLA-RP2.5AA / 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 1.34 6180 3461 0.56 1.42 5970 3343 0.56 1.52...
  • Page 28 COOLING CAPACITY (6) PLA-RP2.5AA / 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 5220...
  • Page 29 COOLING CAPACITY (7) PLA-RP3AA PLA-RP3AA / 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 0.52 1.69...
  • Page 30 COOLING CAPACITY (8) PLA-RP3AA PLA-RP3AA / 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 0.52 2.09...
  • Page 31 COOLING CAPACITY (9) PLA-RP4AA PLA-RP4AA / 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 0.53...
  • Page 32 COOLING CAPACITY (10) PLA-RP4AA PLA-RP4AA / 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 9,300 4,929 0.53 3.21 8,700 4,611 0.53...
  • Page 33 COOLING CAPACITY (11) PLA-RP5AA PLA-RP5AA / 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 12,875 6,695 0.52 3.35 12,438 6,468 0.52...
  • Page 34 COOLING CAPACITY (12) PLA-RP5AA PLA-RP5AA / 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 11,625 6,045 0.52 4.12 10,875 5,655 0.52...
  • Page 35 COOLING CAPACITY (13) PLA-RP6AA PLA-RP6AA / 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 14,420 7,066 0.49 4.29 13,930 6,826 0.49...
  • Page 36 COOLING CAPACITY (14) PLA-RP6AA PLA-RP6AA / 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 13,020 6,380 0.49 5.29 12,180 5,968 0.49...
  • Page 37 COOLING CAPACITY (15) PLA-RP1.6AA / PUH-P1.6VGAA PU-P1.6VGAA (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 4770 2528 0.53 1.40 4635 2457 0.53 1.48...
  • Page 38 COOLING CAPACITY (16) PLA-RP1.6AA / PUH-P1.6VGAA PU-P1.6VGAA (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 4320 2290 0.53 1.69 4185 2218 0.53 1.82...
  • Page 39 COOLING CAPACITY (17) PLA-RP2AA / PUH-P2VGAA PU-P2VGAA (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 0.60 2.06 5768 3461 0.60 2.18...
  • Page 40 COOLING CAPACITY (18) PLA-RP2AA / PUH-P2VGAA PU-P2VGAA (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 0.60 2.49 5208 3125 0.60 2.68...
  • Page 41 COOLING CAPACITY (19) PLA-RP2.5AA / PUH-P2.5VGAA PU-P2.5VGAA (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. 2.30 6633 4112 0.62 2.06 6432 3988 0.62 2.17 6231 3863 0.62 7102 3551 0.50 2.09 6901 3451 0.50 2.21...
  • Page 42 COOLING CAPACITY (20) PLA-RP2.5AA / PUH-P2.5VGAA PU-P2.5VGAA (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 0.50 2.53 6231 3116 0.50 2.72...
  • Page 43 COOLING CAPACITY (21) PLA-RP3AA PLA-RP3AA / PUH-P3VGAA PUH-P3YGAA 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 8162 4244 0.52 2.79 7931...
  • Page 44 COOLING CAPACITY (22) PLA-RP3AA PLA-RP3AA / PUH-P3VGAA PUH-P3YGAA 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 7392 3844 0.52 3.37 7161...
  • Page 45 COOLING CAPACITY (23) PLA-RP4AA PLA-RP4AA / PUH-P4YGAA 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 10176 5699 0.56 3.00 9888 5537 0.56...
  • Page 46 COOLING CAPACITY (24) PLA-RP4AA PLA-RP4AA / PUH-P4YGAA 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 9216 5161 0.56 3.62 8928 5000 0.56...
  • Page 47 COOLING CAPACITY (25) PLA-RP5AA / PUH-P5YGAA PUH-P5YGAA 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 6850 0.50...
  • Page 48 COOLING CAPACITY (26) PLA-RP5AA / PUH-P5YGAA PUH-P5YGAA 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 6185 0.50...
  • Page 49 COOLING CAPACITY (27) PLA-RP6AA PLA-RP6AA / PUH-P6YGAA PUH-P6YGAA 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 14626 6874...
  • Page 50 COOLING CAPACITY (28) PLA-RP6AA PLA-RP6AA / PUH-P6YGAA PUH-P6YGAA 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 13206 6207...
  • Page 51 6-1-2. HEATING CAPACITY PLA-RP•AA PLA-RP•AA / PUHZ-RP•VHA PUHZ-RP•VHA (230V) Indoor Outdoor intake air W.B. (:) Service Ref. intake are 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 2,501 0.72 2,706...
  • Page 52 6-2. PERFORMANCE CURVE PLA-RP•AA PLA-RP•AA / 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 In some cases, heating operation INDOOR W.B.(°C) cannot be conducted with the maximum D.B.(°C) frequency in the area below the slanting line.
  • Page 53 6-3. CORRECTION FACTRS PLA-RP•AA PLA-RP•AA / 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 1.00 0.985 0.957 0.931 0.908 0.886 0.876 PLA-RP2AA — — —...
  • Page 54 6-4. STANDARD OPERATION DATA Heat pump type(1) PLA-RP1.6AA PLA-RP2AA PLA-RP2.5AA 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 PLA-RP2AA PLA-RP2.5AA Indoor unit Service Ref. Phase , Hz 1 , 50 1 , 50...
  • Page 55 PLA-RP3AA PLA-RP4AA PLA-RP5AA PLA-RP6AA 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 PLA-RP4AA PLA-RP5AA PLA-RP6AA Indoor unit Service Ref.
  • Page 56 Heat pump type (2) Service Ref. PLA-RP2AA PLA-RP2.5AA PLA-RP1.6AA 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 PLA-RP2AA PLA-RP2.5AA Phase , Hz 1 , 50 1 , 50 1 , 50...
  • Page 57 PLA-RP4AA PLA-RP6AA PLA-RP3AA 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 PLA-RP4AA PLA-RP6AA Indoor unit Service Ref. PLA-RP5AA PLA-RP3AA PLA-RP4AA...
  • Page 58 Cooling only type (3) PLA-RP1.6AA PLA-RP2AA Service Ref. PLA-RP2.5AA Mode Cooling Cooling Cooling Capacity 4,500 5,600 6,700 Input 1.72 2.53 2.57 PLA-RP1.6AA PLA-RP2AA PLA-RP2.5AA Indoor unit Service Ref. Phase , Hz 1 , 50 1 , 50 1 , 50 Volts Amperes 0.79...
  • Page 59 PLA-RP3AA PLA-RP4AA PLA-RP6AA Service Ref. PLA-RP5AA PLA-RP3AA PLA-RP4AA PLA-RP6AA Mode Cooling Cooling Cooling Cooling Capacity 7,700 9,200 13,300 14,200 Input 3.42 3.68 5.09 5.90 PLA-RP3AA PLA-RP4AA PLA-RP6AA Indoor unit Service Ref. PLA-RP5AA PLA-RP3AA PLA-RP4AA PLA-RP6AA 1 , 50 Phase , Hz 1 , 50 1 , 50 1 , 50...
  • Page 60 6-6. NOISE CRITERION CURVES NOTCH SPL(dB) LINE NOTCH SPL(dB) LINE High High PLA-RP1.6AA PLA-RP2AA Medium1 Medium1 PLA-RP2.5AA 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...
  • Page 61 NOTCH SPL(dB) LINE NOTCH SPL(dB) LINE High High PLA-RP5AA PLA-RP6AA 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...

  • Page 62: Outlines And Dimensions

    OUTLINES AND DIMENSIONS PLA-RP1.6AA PLA-RP2AA PLA-RP2.5AA Unit : mm PLA-RP3AA PLA-RP4AA PLA-RP5AA PLA-RP6AA PLA-RP3AA PLA-RP4AA PLA-RP5AA PLA-RP6AA Ceiling hole 20 - 45 860 - 910 20 - 45 Branch duct hole Fresh air intake (Cut out hole) Suspension bolt pitch 90 100 100 90 Branch duct hole...

  • Page 63: Wiring Diagram

    WIRING DIAGRAM PLA-RP1.6AA PLA-RP2AA PLA-RP2.5AA PLA-RP3AA PLA-RP4AA PLA-RP5AA PLA-RP6AA PLA-RP3AA PLA-RP4AA PLA-RP5AA PLA-RP6AA [LEGEND] SYMBOL NAME SYMBOL NAME SYMBOL NAME INDOOR POWER BOARD VANE MOTOR WIRELESS REMOTE CONTROLLER BOARD FUSE (4A) DRAIN PUMP RECEIVING UNIT VARISTOR DRAIN SENSOR BUZZER INDOOR CONTROLLER BOARD DEW PREVENTION HEATER LED1 LED (RUN INDICATOR)

  • Page 64: Refrigerant System Diagram

    REFRIGERANT SYSTEM DIAGRAM PLA-RP1.6AA PLA-RP2AA PLA-RP2.5AA PLA-RP3AA PLA-RP4AA PLA-RP5AA PLA-RP6AA PLA-RP3AA PLA-RP4AA PLA-RP5AA 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 (Flare) Distributor Thermistor TH2 with strainer(#50) Pipe temperature (Liquid)

  • Page 65: 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 66 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 1 Defective thermistor 1–3 Check resistance value of thermistor.
  • Page 67 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 68 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) 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 69 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.
  • Page 70 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 71 10-5. HOW TO CHECK THE PARTS PLA-RP1.6AA PLA-RP2AA PLA-RP2.5AA PLA-RP3AA PLA-RP3AA PLA-RP4AA PLA-RP4AA PLA-RP5AA PLA-RP5AA PLA-RP6AA 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 Normal Abnormal thermistor/liquid(TH2)
  • Page 72 <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 73 10-6. TEST POINT DIAGRAM 10-6-1. Indoor Power board PLA-RP1.6AA PLA-RP2AA CN2S PLA-RP2.5AA Connect to the indoor controller – PLA-RP3AA PLA-RP3AA board (CN2D) PLA-RP4AA PLA-RP4AA (12~16V DC) PLA-RP5AA PLA-RP5AA PLA-RP6AA PLA-RP6AA CN02 Connect to the indoor controller board (CN03) Between 1 and 2 0~24V DC –...
  • Page 74 10-6-2. Indoor Controller board PLA-RP1.6AA PLA-RP2AA PLA-RP2.5AA PLA-RP3AA PLA-RP3AA PLA-RP4AA PLA-RP4AA PLA-RP5AA PLA-RP5AA PLA-RP6AA PLA-RP6AA 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) Vane motor output...
  • Page 75 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...

  • Page 76: Disassembly Procedure

    DISASSEMBLY PROCEDURE PLA-RP1.6AA PLA-RP2AA PLA-RP2.5AA PLA-RP3AA PLA-RP4AA PLA-RP5AA PLA-RP6AA Be careful on removing heavy parts. PLA-RP3AA PLA-RP4AA PLA-RP5AA 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 77 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 78 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) Cut the drain hose band with scissors and pull out the drain hose from the drain pump.

  • Page 79: Parts List

    PARTS LIST PANEL PARTS PLP-6AA GEAR GEAR (VANE) VANE BUSH VANE MOTOR RECEIVER CHECK TEST RUN MODEL SELECT ˚C AMPM AMPM NOT AVAILABLE CENTRALLY CONTROLLED 1Hr. ON/OFF TEMP ON OFF ˚C CLOCK CHECK FILTER CHECK MODE ˚C TEST RUN STAND BY ERROR CODE NOT AVAILABLE FUNCTION...
  • Page 80 FUNCTIONAL AND STRUCTURE PARTS PLA-RP1.6AA PLA-RP2AA PLA-RP2.5AA MOTOR CAP SPL WASHER CONDENSER EVAPORATOR TEMPERATURE THERMISTOR PIPE TEMPERATURE THERMISTOR Q'ty / set Price Wiring Recom- Remarks PLA-RP Parts No. Parts Name Specification Diagram mended (Drawing No.) 1.6AA Symbol Q'ty Unit Amount 2.5AA —...
  • Page 81 FUNCTIONAL AND STRUCTURE PARTS PLA-RP3AA PLA-RP4AA PLA-RP3AA PLA-RP4AA MOTOR CAP SPL WASHER CONDENSER EVAPORATOR TEMPERATURE THERMISTOR PIPE TEMPERATURE THERMISTOR FLARE NUT Q'ty / set Price Wiring Recom- Remarks PLA-RP Parts No. Specification Parts Name Diagram mended (Drawing No.) Symbol Q'ty Unit Amount —...
  • Page 82 FUNCTIONAL AND STRUCTURE PARTS PLA-RP5AA PLA-RP6AA PLA-RP5AA PLA-RP6AA MOTOR CAP SPL WASHER CONDENSER EVAPORATOR TEMPERATURE THERMISTOR PIPE TEMPERATURE THERMISTOR FLARE NUT Q'ty / set Price Wiring Recom- Remarks PLA-RP Specification Parts No. Parts Name Diagram mended (Drawing No.) 5AA,5AA Symbol Q'ty Unit Amount 6AA,6AA...
  • Page 83 FUNCTIONAL AND STRUCTURE PARTS PLA-RP1.6AA PLA-RP2AA PLA-RP2.5AA DRAIN PLUG DRAIN PLUG CAPACITOR TERMINAL BLOCK FUSE TERMINAL BLOCK ROOM TEMPERATURE THERMISTOR Q'ty / set Price Wiring Recom- Remarks PLA-RP Parts No. Specification Parts Name Diagram mended (Drawing No.) Unit Amount 1.6,2AA Symbol Q'ty 2.5AA...
  • Page 84 FUNCTIONAL AND STRUCTURE PARTS PLA-RP3AA PLA-RP4AA PLA-RP3AA PLA-RP4AA DRAIN PLUG DRAIN PLUG CAPACITOR TERMINAL BLOCK FUSE TERMINAL BLOCK ROOM TEMPERATURE THERMISTOR Q'ty / set Price Wiring Recom- Remarks PLA-RP Parts No. Specification Parts Name Diagram mended (Drawing No.) Unit Amount Symbol Q'ty R01 E02 529...
  • Page 85 FUNCTIONAL AND STRUCTURE PARTS PLA-RP5AA PLA-RP6AA PLA-RP5AA PLA-RP6AA DRAIN PLUG DRAIN PLUG CAPACITOR TERMINAL BLOCK FUSE TERMINAL BLOCK ROOM TEMPERATURE THERMISTOR Q'ty / set Price Wiring Recom- Remarks PLA-RP Parts No. Parts Name Specification Diagram mended (Drawing No.) Unit Amount Symbol Q'ty R01 E01 529...

  • Page 86: 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 87 13-2. MULTI FUNCTION CASEMENT Part No. PAC-SG03TM-E PLA-RP1.6,2,2.5,3,4,5,6AA Applied Service Ref. PLA-RP3,4,5,6AA 13-3. HIGH EFFICIENCY FILTER ELEMENT (13-2. MULTI FUNCTION CASEMENT is needed.) Part No. PAC-SG01KF PLA-RP1.6,2,2.5,3,4,5,6AA 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 Applied Service Ref.
  • Page 88 HEAD OFFICE : MITSUBISHI DENKI BLDG., 2-2-3 MARUNOUCHI CHIYODA-KU , TOKYO 100-8310 , JAPAN cCopyright 2003 MITSUBISHI ELECTRIC ENGINEERING CO., LTD. Distributed in Sep. 2004 No. OC293 REVISED EDITION-B PDF 9 Distributed in Dec. 2003 No. OC293 REVISED EDITION-A PDF 9 New publication, effective Sep.
  • Page 89 Related Links Model Number: PLA-RP6AA1.UK PLA-RP1.6-6AA_Installation_Manual_(BG79U015K01) PLA-RP1.6-6AA_Instruction_Book_(BG79U014H02) PLA-RP1.6-6AA_Service_Manual_(OC293B) PLA-RP1.6-6AA_Service_Manual_(OC297E)

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