Mitsubishi Electric Mr.SLIM PLH Series Technical & Service Manual

Mitsubishi Electric Mr.SLIM PLH Series Technical & Service Manual

Split-type,heat pump air conditioners
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SPLIT-TYPE,HEAT PUMP AIR CONDITIONERS
SPLIT-TYPE,AIR CONDITIONERS
TECHNICAL & SERVICE MANUAL
Series PLH/PLA
Indoor unit
[Model names]
1999
PLH-P1.6KAH
PLH-P2KAH
PLH-P2.5KAH
PLH-P3KAH
PLH-P4KAH
PLH-P5KAH
PLH-P6KAH
2000
PLA-P1.6KA
PLA-P2KA
PLA-P2.5KA
PLA-P3KA
PLA-P4KA
PLA-P5KA
PLA-P6KA
INDOOR UNIT
Ceiling Cassettes
[Service Ref.]
1999
PLH-P1.6KAH
PLH-P2KAH
PLH-P2.5KAH
PLH-P3KAH
PLH-P4KAH
PLH-P5KAH
PLH-P6KAH
2000
PLA-P1.6KA
PLA-P2KA
PLA-P2.5KA
PLA-P3KA
PLA-P4KA
PLA-P5KA
PLA-P6KA
FILTER
CHECK MODE
TEST RUN
REMOTE CONTROLLER
REVISED EDITION-A
Refer to the OCT03 as regarding
R407C
control relation.
Revised Edition-A are
PLA-P1.6KA, P2KA, P2.5KA,
P3KA, P4KA, P5KA, P6KA, and
PUH-P1.6, P2, P2.5YGA added.
This manual does not cover the
following outdoor units. When
servicing them, please refer to
the service manual No.OC180
REVISED EDITION-A and this
manual in a set.
[Service Ref.]
PUH-P1.6VGA PU-P1.6VGA
PUH-P1.6YGA
PUH-P2VGA
PUH-P2YGA
PUH-P2.5VGA PU-P2.5VGA
PUH-P2.5YGA
PUH-P3VGA
PUH-P3YGA
PUH-P4YGA
PUH-P5YGA
PUH-P6YGA
CONTENTS
1.
COMBINATION OF INDOOR AND OUTDOOR UNITS
2. SAFETY PRECAUTION ·······························3
3. PART NAMES AND FUNCTIONS ···············5
4. SPECIFICATIONS ········································8
5. DATA ··························································19
6. OUTLINES AND DIMENSIONS ·················45
7. WIRING DIAGRAM ·······································48
8. REFRIGERANT SYSTEM DIAGRAM··············51
9. DISASSEMBLY PROCEDURE ··················53
10. PARTS LIST ···············································56
11. OPTIONAL PARTS·····································68
1999
No. OC181
PU-P2VGA
PU-P3VGA
PU-P3YGA
PU-P4YGA
PU-P5YGA
PU-P6YGA
··2

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Summary of Contents for Mitsubishi Electric Mr.SLIM PLH Series

  • Page 1 1999 SPLIT-TYPE,HEAT PUMP AIR CONDITIONERS SPLIT-TYPE,AIR CONDITIONERS No. OC181 REVISED EDITION-A TECHNICAL & SERVICE MANUAL Series PLH/PLA Ceiling Cassettes Refer to the OCT03 as regarding R407C control relation. Revised Edition-A are PLA-P1.6KA, P2KA, P2.5KA, Indoor unit P3KA, P4KA, P5KA, P6KA, and [Service Ref.] [Model names] PUH-P1.6, P2, P2.5YGA added.
  • Page 2 COMBINATION OF INDOOR AND OUTDOOR UNITS Outdoor unit Heat pump type Cooling only type Indoor unit PUH-P · VGA / YGA PU-P · VGA / YGA 1.6VGA 1.6YGA 2VGA 2YGA 2.5VGA 2.5YGA 3VGA 3YGA 4YGA 5YGA 6YGA 1.6VGA 2VGA 2.5VGA 3VGA 3YGA 4YGA...
  • Page 3 SAFETY PRECAUTION Cautions for using with the outdoor unit which adopts R407C refrigerant. · Do not use the existing refrigerant piping. -The old refrigerant and refrigerant oil in the existing piping contains a large amount of chlorine which may cause the refriger- ant oil of the new unit to deteriorate.
  • Page 4 [1] 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 PART NAMES AND FUNCTIONS Indoor (Main) Unit PLH-P1.6KAH, PLA-P1.6KA PLH-P2KAH, PLA-P2KA PLH-P2.5KAH, PLA-P2.5KA PLH-P3KAH, PLA-P3KA PLH-P4KAH, PLA-P4KA PLH-P5KAH, PLA-P5KA PLH-P6KAH, PLA-P6KA Filters Remove dust and pollutants from inhaled air Horizontal Air Outlet Sets airflow horizontal automatically during cooling or dehumidifying. Grille Auto Air Swing Vane Disperses airflow up and...
  • Page 6 Remote controller Once the controls are set, the same operation mode can be repeated by simply pressing the ON/OFF button. Operation buttons TIME SETTING button AIR SPEED button This sets of switches the TIMER button current time. start time and This sets the fan speed.
  • Page 7 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 8: Service Ref

    SPECIFICATIONS 1.Heat pump Service Ref. With Electric heater PLH-P1.6KAH Item Without Electric heater PLA-P1.6KA Cooling Function Heating Btu/h 15,000 17,100(21,800) Capacity 4,400 5,000(6,400) Total input 1.86 1.93(3.33) PLH-P1.6KAH With Electric heater Service Ref. Without Electric heater PLA-P1.6KA Power supply(phase, cycle,voltage) Single, 50Hz, 220-240V Input 0.15...
  • Page 9: Plh-P2Kah

    Service Ref. With Electric heater PLH-P2KAH Item Without Electric heater PLA-P2KA Function Cooling Heating 18,400 Btu/h 21,300(26,100) Capacity 5,400 6,250(7,650) Total input 2.62 2.67(4.07) With Electric heater PLH-P2KAH Service Ref. Without Electric heater PLA-P2KA Power supply(phase, cycle,voltage) Single, 50Hz, 220-240V Input 0.14 0.10<1.40>...
  • Page 10: Plh-P2.5Kah

    Service Ref. With Electric heater PLH-P2.5KAH Item Without Electric heater PLA-P2.5KA Function Cooling Heating Btu/h 21,500 25,200(32,400) Capacity 6,300 7,400(9,500) Total input 2.77 2.68(4.78) With Electric heater PLH-P2.5KAH Service Ref. Without Electric heater PLA-P2.5KA Power supply(phase, cycle,voltage) Single, 50Hz, 220-240V Input 0.14 0.10<2.10>...
  • Page 11 Service Ref. With Electric heater PLH-P3KAH Item Without Electric heater PLA-P3KA Function Cooling Heating Btu/h 26,300 31,400(38,500) Capacity 7,700 9,200(11,300) Total input 3.47 3.65(5.75) PLH-P3KAH With Electric heater Service Ref. Without Electric heater PLA-P3KA Power supply(phase, cycle,voltage) Single, 50Hz, 220-240V Input 0.13 0.13<2.10>...
  • Page 12 Service Ref. With Electric heater PLH-P4KAH Item Without Electric heater PLA-P4KA Function Cooling Heating Btu/h 33,100 36,200(43,300) Capacity 9,700 10,600(12,700) Total input 3.57 3.75(5.85) PLH-P4KAH With Electric heater Service Ref. Without Electric heater PLA-P4KA Power supply(phase, cycle,voltage) Single, 50Hz, 220-240V Input 0.21 0.21<2.10>...
  • Page 13 Service Ref. With Electric heater PLH-P5KAH Item Without Electric heater PLA-P5KA Function Cooling Heating Btu/h 43,700 52,900(63,100) Capacity 12,800 15,500(18,500) Total input 5.47 5.69(8.69) With Electric heater PLH-P5KAH Service Ref. Without Electric heater PLA-P5KA Power supply(phase, cycle,voltage) Single, 50Hz, 220-240V Input 0.22 0.22<3.00>...
  • Page 14 Service Ref. With Electric heater PLH-P6KAH Item Without Electric heater PLA-P6KA Function Cooling Heating Btu/h 48,800 57,300(67,600) Capacity 14,300 16,800(19,800) Total input 6.58 6.65(9.65) PLH-P6KAH With Electric heater Service Ref. Without Electric heater PLA-P6KA Power supply(phase, cycle,voltage) Single, 50Hz, 220-240V (4wires) Input 0.22 0.22<3.00>...
  • Page 15 2.Cooling only type Service Ref. PLA-P1.6KA PLA-P2KA Item Function Cooling Cooling Btu/h 15,000 18,400 Capacity 4,400 5,400 Total input 1.86 2.62 Service Ref. PLA-P1.6KA PLA-P2KA Power supply(phase, cycle,voltage) Single, 50Hz, 220-240V Input 0.15 0.14 Running current 0.64 0.65 Starting current 0.70 0.72 External finish...
  • Page 16 Service Ref. PLA-P2.5KA PLA-P3KA Item Function Cooling Cooling Btu/h 21,500 26,300 Capacity 6,300 7,700 Total input 2.77 3.47 Service Ref. PLA-P2.5KA PLA-P3KA Power supply(phase, cycle,voltage) Single, 50Hz, 220-240V Input 0.14 0.13 Running current 0.61 0.62 Starting current 0.67 0.91 External finish Galvanized sheets with gray heat insulation Heat exchanger Plate fin coil...
  • Page 17 Service Ref. PLA-P4KA Item Function Cooling Btu/h 33,100 Capacity 9,700 Total input 3.57 Service Ref. PLA-P4KA Power supply(phase, cycle,voltage) Single, 50Hz, 220-240V Input 0.21 Running current 0.99 Starting current 1.38 External finish Galvanized sheets with gray heat insulation Heat exchanger Plate fin coil Fan(drive) x No.
  • Page 18 Service Ref. PLA-P5KA PLA-P6KA Item Function Cooling Cooling Btu/h 43,700 48,800 Capacity 12,800 14,300 Total input 5.47 6.58 Service Ref. PLA-P5KA PLA-P6KA Power supply(phase, cycle,voltage) Single, 50Hz, 220-240V Input 0.22 0.22 Running current 1.04 1.04 Starting current 1.38 1.38 External finish Galvanized sheets with gray heat insulation Heat exchanger Plate fin coil...
  • Page 19 DATA 1. PERFORMANCE DATA 1) COOLING CAPACITY(1) PLH-P1.6KAH, PLA-P1.6KA 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. SHC(W) P.C. 4356 3049 0.70 1.49 4224 2957 0.70 1.57 4092 2864 0.70 1.66 4664 2705 0.58 1.52...
  • Page 20 COOLING CAPACITY(2) PLH-P1.6KAH, PLA-P1.6KA 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. SHC(W) P.C. 3916 2741 0.70 1.79 3740 2618 0.70 1.92 3652 2556 0.70 2.01 4224 2450 0.58 1.83 4092 2373 0.58 1.97 3960...
  • Page 21 COOLING CAPACITY(3) PLH-P2KAH, PLA-P2KA 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. SHC(W) P.C. 5346 3421 0.64 2.10 5184 3318 0.64 2.21 5022 3214 0.64 2.34 5724 2976 0.52 2.14 5562 2892 0.52 2.25 5373...
  • Page 22 COOLING CAPACITY(4) PLH-P2KAH, PLA-P2KA 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. SHC(W) P.C. 4806 3076 0.64 2.52 4590 2938 0.64 2.70 4374 2799 0.64 2.92 5184 2696 0.52 2.58 5022 2611 0.52 2.78 4698...
  • Page 23 COOLING CAPACITY(5) PLH-P2.5KAH, PLA-P2.5KA 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. SHC(W) P.C. 6237 4054 0.65 2.22 6048 3931 0.65 2.34 5859 3808 0.65 2.48 6678 3539 0.53 2.26 6489 3439 0.53 2.38 6269...
  • Page 24 COOLING CAPACITY(6) PLH-P2.5KAH, PLA-P2.5KA 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. SHC(W) P.C. 5607 3645 0.65 2.66 5355 3481 0.65 2.85 5103 3317 0.65 3.09 6048 3205 0.53 2.73 5859 3105 0.53 2.94 5481...
  • Page 25 COOLING CAPACITY(7) PLH-P3KAH, PLA-P3KA 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. SHC(W) P.C. 7623 4955 0.65 2.78 7392 4805 0.65 2.93 7161 4655 0.65 3.11 8162 4326 0.53 2.83 7931 4203 0.53 2.98 7662...
  • Page 26 COOLING CAPACITY(8) PLH-P3KAH, PLA-P3KA 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. SHC(W) P.C. 6853 4454 0.65 3.33 6545 4254 0.65 3.57 6237 4054 0.65 3.87 7392 3918 0.53 3.42 7161 3795 0.53 3.68 6699...
  • Page 27 COOLING CAPACITY(9) PLH-P4KAH, PLA-P4KA 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. SHC(W) P.C. 9603 6338 0.66 2.86 9312 6146 0.66 3.02 9021 5954 0.66 3.20 10282 5552 0.54 2.91 9991 5395 0.54 3.07 9652...
  • Page 28 COOLING CAPACITY(10) PLH-P4KAH, PLA-P4KA 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. SHC(W) P.C. 8633 5698 0.66 3.43 8245 5442 0.66 3.68 7857 5186 0.66 3.98 9312 5028 0.54 3.52 9021 4871 0.54 3.78 8439...
  • Page 29 COOLING CAPACITY(11) PLH-P5KAH, PLA-P5KA 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. SHC(W) P.C. 12672 7857 0.62 4.38 12288 7619 0.62 4.62 11904 7380 0.62 4.90 13568 6784 0.50 4.46 13184 6592 0.50 4.70 12736...
  • Page 30 COOLING CAPACITY(12) PLH-P5KAH, PLA-P5KA 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. SHC(W) P.C. 11392 7063 0.62 5.25 10880 6746 0.62 5.63 10368 6428 0.62 6.10 12288 6144 0.50 5.39 11904 5952 0.50 5.80 11136...
  • Page 31 COOLING CAPACITY(13) PLH-P6KAH, PLA-P6KA 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. SHC(W) P.C. 14157 8777 0.62 5.26 13728 8511 0.62 5.56 13299 8245 0.62 5.89 15158 7579 0.50 5.36 14729 7365 0.50 5.66 14229...
  • Page 32 COOLING CAPACITY(14) PLH-P6KAH, PLA-P6KA 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. SHC(W) P.C. 12727 7891 0.62 6.32 12155 7536 0.62 6.78 11583 7181 0.62 7.34 13728 6864 0.50 6.48 13299 6650 0.50 6.97 12441...
  • Page 33 2) HEATING CAPACITY Indoor Outdoor intake air W.B.(°C) intake Service Ref. D.B.(°C) P.C. P.C. P.C. P.C. P.C. P.C. 3,175 1.14 3,450 1.25 3,850 1.45 5,050 1.74 5,700 1.93 6,350 2.08 PLH-P1.6KAH 3,050 1.24 3,300 1.35 3,650 1.56 4,875 1.87 5,500 2.08 6,125 2.24...
  • Page 34: Table Of Contents

    Cooling capacity correction factors Refrigerant piping length (one way) Service Ref. PLH-P1.6KAH 1.00 0.993 0.984 0.978 0.969 0.961 0.956 0.948 — — PLA-P1.6KA PLH-P2KAH 1.00 0.993 0.984 0.978 0.969 0.961 0.956 0.948 — — PLA-P2KA PLH-P2.5KAH 1.00 0.989 0.980 0.970 0.960 0.950 0.940...
  • Page 35 3. ELECTRICAL DATA 3.1. Heat pump type Indoor unit … 220V 50Hz 1phase Outdoor unit … 220V/380V 50Hz 1/3phase With heater PLH-P1.6KAH PLH-P2KAH PLH-P2.5KAH Indoor Service unit Without herter PLA-P1.6KA PLA-P2KA PLA-P2.5KA Ref. Outdoor unit PUH-P1.6VGA PUH-P1.6YGA PUH-P2VGA PUH-P2YGA PUH-P2.5VGA PUH-P2.5YGA Mode Cool...
  • Page 36: Plh-P3Kah

    Indoor unit … 220V 50Hz 1phase Outdoor unit … 220V/380V 50Hz 1/3phase With heater PLH-P3KAH PLH-P4KAH PLH-P5KAH PLH-P6KAH Indoor Service unit Without herter PLA-P3KA PLA-P4KA PLA-P5KA PLA-P6KA Ref. Outdoor unit PUH-P3VGA PUH-P3YGA PUH-P4YGA PUH-P5YGA PUH-P6YGA Mode Cool Heat Cool Heat Cool Heat Cool...
  • Page 37 3. ELECTRICAL DATA 3.2. Cooling only type Indoor unit … 220V 50Hz 1phase Outdoor unit … 220V 50Hz 1phase Indoor unit PLA-P1.6KA PLA-P2KA PLA-P2.5KA Service Ref. PU-P1.6VGA PU-P2VGA PU-P2.5VGA Outdoor unit Mode Cool Cool Cool Capacity (W) 4,300 5,300 6,200 Total Input (kW) 1.73 2.52...
  • Page 38 3.2. Cooling only type Indoor unit … 220V 50Hz 1phase Outdoor unit … 220V 50Hz 1/3phase Indoor unit PLA-P3KA PLA-P4KA PLA-P5KA PLA-P6KA Service Ref. PU-P3VGA PU-P3YGA PU-P4YGA PU-P5YGA PU-P6YGA Outdoor unit Mode Cool Cool Cool Cool Cool Capacity (W) 7,500 7,500 9,500 12,600...
  • Page 39 4. STANDARD OPERATION DATA (1) 4.1. Heat pump type With electric heater PLH-P1.6KAH PLH-P2KAH PLH-P2.5KAH Service Ref. Without electric heater PLA-P1.6KA PLA-P2KA PLA-P2.5KA Mode Cooling Heating Cooling Heating Cooling Heating Capacity 4,400 5,000 5,400 6,250 6,300 7,400 Input 1.86 1.93 2.62 2.67 2.77...
  • Page 40 4. STANDARD OPERATION DATA (2) With electric heater PLH-P3KAH PLH-P4KAH PLH-P5KAH PLH-P6KAH Service Ref. Without electric heater PLA-P3KA PLA-P4KA PLA-P5KA PLA-P6KA Mode Cooling Heating Cooling Heating Cooling Heating Cooling Heating Capacity 7,700 9,200 9,700 10,600 12,800 15,500 14,300 16,800 Input 3.26 3.65 3.65...
  • Page 41 4. STANDARD OPERATION DATA (3) 4.2. Cooling only type Service Ref. PLA-P1.6KA PLA-P2KA PLA-P2.5KA Mode Cooling Cooling Cooling Capacity 4,400 5,400 6,300 Input 1.86 2.62 2.77 Indoor unit Service Ref. PLA-P1.6KA PLA-P2KA PLA-P2.5KA Phase,Hz 1,50 1,50 1,50 Volts Amperes 0.64 0.65 0.61 Outdoor unit Service Ref.
  • Page 42 4. STANDARD OPERATION DATA (4) Service Ref. PLA-P3KA PLA-P4KA PLA-P5KA PLA-P6KA Mode Cooling Cooling Cooling Cooling Capacity 7,700 9,700 12,800 14,300 Input 3.26 3.65 5.47 6.58 Indoor unit Service Ref. PLA-P3KA PLA-P4KA PLA-P5KA PLA-P6KA Phase,Hz 1,50 1,50 1,50 1,50 Volts Amperes 0.62 0.99...
  • Page 43 6. NOISE CRITERION CURVES PLH-P1.6/2KAH PLH-P2.5KAH NOTCH SPL(dB) LINE NOTCH SPL(dB) LINE 39.5 PLA-P1.6/2KA PLA-P2.5KA 35.5 36.5 NC-70 NC-70 NC-60 NC-60 NC-50 NC-50 NC-40 NC-40 NC-30 NC-30 APPROTIMATE APPROTIMATE TERESHOLD OF TERESHOLD OF REARING FOR REARING FOR NC-20 NC-20 CONTINUOUS CONTINUOUS NOISE NOISE...
  • Page 44 PLH-P6KAH PLH-P5KAH SPL(dB) LINE SPL(dB) LINE NOTCH NOTCH PLA-P6KA PLA-P5KA NC-70 NC-70 NC-60 NC-60 NC-50 NC-50 NC-40 NC-40 NC-30 NC-30 APPROTIMATE APPROTIMATE TERESHOLD OF TERESHOLD OF REARING FOR REARING FOR NC-20 NC-20 CONTINUOUS CONTINUOUS NOISE NOISE 1000 2000 4000 8000 1000 2000 4000...
  • Page 45 OUTLINES AND DIMENSIONS 1. INDOOR UNIT Unit : mm PLH-P1.6KAH / PLH-P2KAH / PLH-P2.5KAH PLA-P1.6KA / PLA-P2KA / PLA-P2.5KA...
  • Page 46 Unit : mm PLH-P3KAH / PLH-P4KAH PLA-P3KA / PLA-P4KA...
  • Page 47 Unit : mm PLH-P5KAH / PLH-P6KAH PLA-P5KA / PLA-P6KA...
  • Page 48 WIRING DIAGRAM PLH-P1.6KAH / PLA-P1.6KA PLH-P2KAH / PLA-P2KA PLH-P2.5KAH / PLA-P2.5KA <PU(H)-P1.6~2.5VGA> POWER SUPPLY ~(1PHASE) 220-240V 50Hz <PUH-P1.6~2.5YGA> POWER SUPPLY 3N~(3PHASE 4WIRES) 380-415V 50Hz TRANSMISSION WIRES DC12V PLH-P1.6~2.5KAH only PLH-P1.6~2.5KAH only P l e a s e s e t t h e v o l t a g e u s i n g t h e service board MODELS Manufacture...
  • Page 49 PLH-P3KAH / PLA-P3KA PLH-P4KAH / PLA-P4KA P l e a s e s e t t h e v o l t a g e u s i n g t h e r e m o t e c o n t r o l l e r. service board MODELS Manufacture...
  • Page 50 PLH-P5KAH / PLA-P5KA PLH-P6KAH / PLA-P6KA GRILLE CN2S(WHT) DC14V OUTDOOR UNIT TB1 OUTDOOR UNIT CONTROLLER BOARD CN01 (BLU) CN02 (WHT) <PU(H)-P5, 6YGA> VANE D.U.M POWER SUPPLY (WHT) LED1 SW2 RU D.HEATER (GRN) VANE POWER POWER (BLU) CNC (RED) POSITION CN2D CN90 CN03 (3PHASE 4WIRES)
  • Page 51 REFRIGERANT SYSTEM DIAGRAM PLH-P1.6KAH, PLA-P1.6KA / PUH-P1.6VGA,P1.6YGA PLH-P2KAH, PLA-P2KA / PUH-P2VGA,P2YGA Unit : mm PLH-P2.5KAH, PLA-P2.5KA / PUH-P2.5VGA,P2.5YGA PLH-P3KAH, PLA-P3KA / PUH-P3VGA,P3YGA Refrigerant flow in cooling <4-way valve solenoid coil> Refrigerant flow in heating Heating ON Cooling OFF Outdoor unit High pressure Refrigerant pipe 4-way valve...
  • Page 52 PLA-P1.6KA / PU-P1.6VGA PLA-P2KA / PU-P2VGA Unit : mm PLA-P2.5KA / PU-P2.5VGA PLA-P3KA / PU-P3VGA,P3YGA Refrigerant flow in cooling Outdoor unit High pressure Refrigerant pipe switch Indoor unit 15.88 5/8") Thermistor Ball valve (TH6) (with heat insulator) Strainer Thermistor Flexible tube Service (TH1) Service...
  • Page 53 DISASSEMBLY PROCEDURE 1. INDOOR UNIT Be careful on removing heavy parts. PLH-1.6KAH OPERATING PROCEDURE PHOTOS&ILLUSTRATIONS Shaft 1. Removing the air intake grille Figure 1 (1) Press the PUSH button. (2) Open the intake grille 90°. (3) Remove the chip. (4) Slide the shaft in the hinge to the left and remove the intake grille.
  • Page 54 OPERATING PROCEDURE PHOTOS&ILLUSTRATIONS 5. Removing the room temperature thermistor Photo 5 (1) Remove the electrical parts box. Indoor controller board (2) Remove the holder and the room temperature thermistor by pulling the catch. (3) Disconnect the red connector, CN20, on the indoor con- troller board.
  • Page 55 OPERATING PROCEDURE PHOTOS&ILLUSTRATIONS Drain sensor 9. Removing the drain pump and drain sensor Drain hose Photo 9 holder (1) Remove the panel. (2) Remove the electrical parts box. (3) Remove the bell mouth. (4) Remove the drain pan. (5) Remove 4 screws of the drain pump. (6) Pulling the clip of the drain hose, pull out the drain hose Clip from the drain pump.
  • Page 56 PARTS LIST PANEL PARTS PLH-P1.6KAH / PLA-P1.6KA PLH-P2KAH / PLA-P2KA PLH-P2.5KAH / PLA-P2.5KA Q'ty/set Price Wiring Recom- Remarks PLH-P1.6/2/2.5 Diagram mended Part No. Part Name Specification PLA-P1.6/2/2.5 (Drawing No.) Unit Amount Symbol Q'ty KAH / KA T7W 560 003 AIR OUTLET GRILLE R01 29H 500 AIR FILTER R01 29H 691...
  • Page 57 PANEL PARTS PLH-P1.6KAH / PLA-P1.6KA PLH-P2KAH / PLA-P2KA PLH-P2.5KAH / PLA-P2.5KA Q'ty/set Price Wiring Recom- Remarks PLH-P1.6/2/2.5 Diagram mended Part No. Part Name Specification (Drawing No.) PLA-P1.6/2/2.5 Unit Amount Symbol Q'ty KAH / KA R01 29H 002 AUTO VANE R01 29H 085 AIR GUIDE T7W E02 223 VANE MOTOR...
  • Page 58 FUNCTIONAL PARTS PLH-P1.6KAH / PLA-P1.6KA PLH-P2KAH / PLA-P2KA PLH-P2.5KAH / PLA-P2.5KA...
  • Page 59 Part numbers that are circled are not shown in the figure. Q'ty/set Price Wiring Recom- Remarks Diagram mended PLH-P·KAH PLA-P·KA Part No. Part Name Specification (Drawing No.) Unit Amount Symbol Q'ty 1.6 2 2.5 1.6 2 2.5 T7W E00 762 FAN MOTOR PAI-V30F-1 R01 29H 105...
  • Page 60 PANEL PARTS PLH-P3KAH / PLA-P3KA PLH-P4KAH / PLA-P4KA Q'ty/set Price Wiring Recom- Remarks PLH- / PLA- Diagram mended Part No. Part Name Specification (Drawing No.) Unit Amount P3KAH P4KAH Symbol Q'ty P3KA P4KA T7W E01 003 AIR OUTLET GRILLE R01 31K 500 AIR FILTER R01 31K 691 GRILLE ASSY...
  • Page 61 PANEL PARTS PLH-P3KAH / PLA-P3KA PLH-P4KAH / PLA-P4KA Q'ty/set Price Wiring Recom- Remarks PLH- /PLA- Diagram mended Part No. Part Name Specification (Drawing No.) Unit Amount P3KAH P4KAH Symbol Q'ty P3KA P4KA R01 31K 002 AUTO VANE T7W E00 223 VANE MOTOR R01 31K 063 SPRING JOINT...
  • Page 62 FUNCTIONAL PARTS PLH-P3KAH / PLA-P3KA PLH-P4KAH / PLA-P4KA...
  • Page 63 Part numbers that are circled are not shown in the figure. Q'ty/set Price Wiring Recom- Remarks Diagram mended Part No. Part Name Specification PLH-·KAH PLA-·KA (Drawing No.) Unit Amount Symbol Q'ty R01 71G 215 RELAY JC-1aF DC12V T7W E01 313 POWER BOARD T7W A14 716 TERMINAL BLOCK...
  • Page 64 PANEL PARTS PLH-P5KAH / PLA-P5KA PLH-P6KAH / PLA-P6KA Q'ty/set Price Wiring Recom- Remarks PLH- / PLA- Diagram mended Part No. Part Name Specification (Drawing No.) Unit Amount P5KAH P6KAH Symbol Q'ty P5KA P6KA T7W E03 003 AIR OUTLET GRILLE R01 41K 500 AIR FILTER R01 41K 691 GRILLE ASSY...
  • Page 65 PANEL PARTS PLH-P5KAH / PLA-P5KA PLH-P6KAH / PLA-P6KA Part numbers that are circled are not shown in the figure. Q'ty/set Price Wiring Recom- Remarks PLH- / PLA- Diagram mended Part No. Part Name Specification (Drawing No.) Unit Amount P5KAH P6KAH Symbol Q'ty P5KA...
  • Page 66 FUNCTIONAL PARTS PLH-P5KAH / PLA-P5KA PLH-P6KAH / PLA-P6KA 17,18...
  • Page 67 Part numbers that are circled are not shown in the figure. Q'ty/set Price Wiring Recom- Remarks Diagram mended Part No. Part Name Specification PLH-·KAH PLA-·KA (Drawing No.) Unit Amount Symbol Q'ty R01 71G 215 RELAY JC-1a DC12V T7W E01 313 POWER BOARD T7W E01 716 TERMINAL BLOCK...
  • Page 68 OPTIONAL PARTS 1. TIMER Part No. PAC-SC32PTA (with set back function) Model Name Program timer 1-1 Program timer specifications Part name Program timer Parts No. PAC-SC32PTA Exterior dimensions (inch) 5-4/32 4-23/32 23/32 (130 120 18mm) Installation Wall mount Type of clock Quartz Clock accuracy 50 second / month at 25:...
  • Page 69 1-3. How to connect program timer (1) Install the program timer next to the remote controller the same way as the remote controller is installed. (2) Connect the program timer and the remote controller with a 6-wire cable as shown in the figure below Connect to indoor unit NOTE:While the program timer is connected to the remote controller, the with 2-wire cable.
  • Page 70 2. Wide Panel Part No. PAC-SE06WP-E Applied Service Ref. PLH-P1.6 / 2 / 2.5KAH, PLA-P1.6 / 2 / 2.5KA 3. Space Panel Part No. PAC-SE01AS-E PAC-SE60AS-E PAC-SE61AS-E PLH-P1.6 / 2 / 2.5KAH PLH-P3 / 4KAH PLH-P5 / 6KAH Applied Service Ref. PLA-P1.6 / 2 / 2.5KA PLA-P3 / 4KA PLA-P5 / 6KA...
  • Page 72 HEAD OFFICE MITSUBISHI DENKI BLDG.MARUNOUCHI TOKYO100-8310 TELEX J24532 CABLE MELCO TOKYO cCopyright 1999 MITSUBISHI ELECTRIC ENGINEERING CO., LTD. New publication, effective Dec. 1999 Issued in Dec. 1999 NO. OC181 REVISED EDITION-A 42 Specifications subject to change without notice Issued in Mar. 1999 NO. OC181 36...

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