Mitsubishi PL-3GJB2.UK Service Manual

TECHNICAL & SERVICE MANUAL

SPLIT-TYPE, AIR CONDITIONERS

CONTENTS

1. TECHNICAL CHANGE ·························3

2. SPECIFICATIONS·································4

3. DATA·····················································6

4.

REFRIGERANT SYSTEM DIAGRAM

········7

5. PARTS LIST··········································8

Indoor unit

[Model name]

No. OC203

This service manual describes
only the change points.
Please refer to No.OC151
REVISED EDITION-A as to
excluding this manual.
This manual does not cover the
following outdoor units.
When serving them, please refer
to the service manual No.OC149
REVISED EDITION-B , OC202
and this manual in a set.
[Service Ref.]
PU-3VJC

.UK (OC202)

PU-3YJC.UK (OC202)
PU-3NJA1.UK (OC149 REVISED EDITION-B)

INDOOR UNIT

Ceiling Cassettes

Series PL

MITSUBISHI ELECTRIC

12
11
10

9
8
7
6
5
4
3
2
1

29
28
27
26
25
24
23
22
21
20
19
18

TIMER TEMP

TIMER/TEMP.

UP

DOWN

POWER

COOL

ON/OFF

LOUVER

MODE

SELECT

FAN

SPEED

TIMER

MODE

DRY
FAN

HIGH

LOW

ON

AUTO
STOP

START

REMOTE CONTROLLER

[Service Ref.]

PL-3GJB

PL-3GJB2.UK

3

TECHNICAL CHANGE

1

Difference between the connection with PL-3GJB1.UK.

CHANGE POINTS

PL-3GJB

1.UK

PL-3GJB

2.UK

COOLING CAPACITY

OUT DOOR UNIT

25,200 BTU/h

7,400 W

PU-3VJA

2.UK

PU-3YJA

2.UK

27,000 BTU/h

7,900 W

PU-3VJC.UK
PU-3YJC.UK

2 SPECIFICATIONS

1. STANDARD SPECIFICATIONS

Item

Cooling capacity w1

Cooling capacity (SSA) w2

Total input (50/60Hz) w3

Service Ref.

External finish
Fan motor output

Airflow Hi-Lo

External static pressure
Operation control &Thermostat

Indoor unitOutdoor unit Indoor grill

Noise level high-Low

Unit drain pipe I.D.

Dimensions

Weight
External finish

Dimensions

Weight

Service Ref.

External finish
Refrigerant (R-22) control
Crankcase heater w4
Compressor output
Protection devices
Fan motor output

Airflow

Noise level

Dimensions

Weight

50Hz

60Hz

60Hz

50Hz

60Hz

50Hz
60Hz

H

W

D

H

W

D

50/60Hz
50/60Hz

50Hz
60Hz

50/60Hz

W

D
H

Service Ref.

W

Btu/h

W

Btu/h

W

Btu/h

kW

kW

3

/ min

m

CFM

3

/ min

m

CFM

Pa(mmAq)

dB

dB
mm(in.)
mm(in.)
mm(in.)
mm(in.)

kg(lbs)

mm(in.)
mm(in.)
mm(in.)

kg(lbs)

W

kW

kW

3

/ min(CFM)

m

3

/ min(CFM)

m

dB
mm(in.)
mm(in.)
mm(in.)

kg(lbs)

Galvanized sheets with gray heat insulation

PU-3VJC.UK, PU-3YJC.UK, PU-3NJA

PL-3GJB

PL-3GJB

0(Direct blow)

Remote control & Built-in

Munsell 0.70Y 8.59/0.97

Munsell 5Y 7/1

Capillary tube

295+24(11-5/8+1)

2.UK

7,900

27,000

8,000

27,300

6,900

23,500

3.34/3.60

2.UK

0.05

18-14

635-494

18-14

635-494

39-32
39-32

32(1-1/4)

258(10-3/16)

820(32-1/4)
820(32-1/4)

28(62)

65(2-9/16)
950(37-3/8)
950(37-3/8)

7(16)

32/38

2.2 , 2.4 / 2.2
w5

0.085
50(1765)
50(1765)

52/53

870(34-1/4)

850(33-7/16)

73(161)

1.UK

Notes :
w1 Rating conditions (JIS B8616) w4 Capacity of crankcase heater (W) based on 220 volts.

Indoor : D.B. 27°C (80°F), W.B. 19°C (66°F) w5 V, N···Inner thermostat, HP switch, LP switch.
Outdoor : D.B. 35°C (95°F), W.B. 24°C (75°F) Y ·······Thermal switch, Reversed-phase protector, HP switch, LP switch,
Refrigerant piping length (one way) : 5m (16ft) Thermal relay

w2 Rating conditions (SSA 385, 386)

Indoor : D.B. 29°C (84°F), W.B. 19°C (66°F)
Outdoor : D.B. 46°C (115°F), W.B. 24°C (75°F)
Refrigerant piping length (one way) : 5m (16ft)

w3 Total input based on indicated voltage

(Indoor / Outdoor)

Service Ref.

50Hz
60Hz

PL-3GJB

1ph 220V/1ph 220V , 3ph 380V

1ph 220V/1ph 220V

2.UK

4

5

2. POWER SUPPLY & MODEL NAMES

Notes : 1. Power supply key N

.......

1ph, 220V,60Hz

V

........

1ph, 220, 230, 240V, 50Hz , Y

...

3ph. 380/220, 400/230, 415/240V , 50Hz, 4 wires

2. Primary power supplies for all indoor units are single-phase.

3. ELECTRICAL SPECIFICATIONS

Rating conditions -JIS B 8616

{

Indoor : D.B. 27°C (80°F), W.B.19°C (66°F)
Outdoor : D.B. 35°C (95°F), W.B.24°C (75°F)

Power supply

50Hz

1ph.

60Hz

3ph.

1ph.

3ph.

Indoor unit Service Ref. : PL-3GJB

2.UK

Outdoor unit Service Ref.

220, 230, 240V

380/220, 400/230, 415/240V

220V

220V

PU-3VJC.UK

PU-3YJC.UK

PU-3NJA

1.UK

—

Power supply (1 Phase)

V : 220V 50Hz

Service Ref. : PL-3GJB

2.UK

Current A

Outdoor unit

Input
Starting current

kW

A

0.72

0.16

1.0

PU-3

V : 230V 50Hz

0.72

0.16

1.0

PU-3

V : 240V 50Hz

0.72

0.16

1.0

PU-3

0.72

0.16

1.0

PU-3

N,T : 220V 60Hz

-

SSA 385, 386

{

Indoor : D.B. 29°C (84°F), W.B. 19°C (66°F)

Outdoor : D.B. 46°C (115°F), W.B. 24°C (75°F)

3

DATA

1.COOLING CAPACITY CORRECTION FACTORS 50Hz

Service Ref.

PL-3GJB

2.UK

5m (16ft)

1.0

10m (33ft)

0.978

15m (49ft)

0.962

Refrigerant piping length (one way)

20m (66ft)

0.948

25m (82ft)

0.934

30m (98ft)

0.921

35m (115ft)—40m (131ft)—45m (148ft)—50m (164ft)

2.STANDARD OPERATION DATA

Service Ref.

MODE

Capacity

Total

Input

W

kW

Indoor unit service Ref.

Phase , Hz
Volts
Amperes

V
A

Outdoor unit service Ref.

Electrical circuit

Phase , Hz
Volts
Amperes
Discharge pressure
Suction pressure
Discharge temperature
Condensing temperature
Suction temperature

Refrigerant circuit

Ref. pipe length

Intake air temperature

Discharge air temperature

Indoor side

Intake air temperature

side

Outdoor

D.B.
W.B.
D.B.
D.B.
W.B.

V
A

MPa

(kgf/cm2)

MPa

(kgf/cm2)

°C
°C
°C

m

°C
°C
°C
°C
°C

The unit of pressure has been changed to MPa based on SI (International System of unit) in
accordance with I.S.O.(International Organization for Standardization).
The conversion factor is : 1(MPa) = 10.2(kgf/cm

PL-3GJB2.UK

Cooling

7,900

3.34

PL-3GJB2.UK

1 , 50

220

0.72

PU-3VJC.UK

1 , 50

220

15.1

1.88

(19.2)

0.46
(4.7)

87

51

5

5

27

19

12.3

35

24

2

)

Cooling

8,000

3.60

1 , 60

220

0.72

PU-3NJA1.UK

1 , 60

220

17.6

2.02

(20.6)

0.43

(4.4)

72

53

3

5

27

19

12.3

35

24

—

3.ADDITIONAL REFRIGERANT CHARGE (R-22 : kg(lbs))

Service Ref.

PL-3GJB

2

.UK

Outdoor unit precharged (kg)

(up to 20)

V…2.8,Y…2.8,N…3.5 0.06(0.13) 0.12(0.26) — — —

20m(66ft)

0

25m(82ft) 30m(98ft) 35m(115ft) 40m(131ft) 45m(148ft)—50m(164ft)

Piping length(one way)

6

REFRIGERANT SYSTEM DIAGRAM4

PL-3GJB2.UK / PU-3VJC.UK, PU-3YJC.UK, PU-3NJA1.UK

Refrigerant pipe ø15.88(5/8")

Indoor heat
exchanger

strainer

Indoor coil
thermistor
RT2

Distributor
with
strainer

Refrigerant pipe ø9.52(3/8")
(with heat insulator) option

(with insulator) option

Flexible tube

Flared
connection

Flexible tube

Flared
connection

strainer

Low pressure
switch

Ball
valve

Ball valve
(with service port)

Charge
pIug

Accumulator

[O.D.3.2 oI.D.1.8 o800]
o2pcs

High pressure
switch

Check
pIug

strainer

Compressor

Capillary tube

D.P.R.
(Discharge pressure regulator)

Unit : mm(inch)

Outdoor heat
exchanger

flow of refrigerant

7

8

5

PARTS LIST

No.1Part No. Part Name Specifications

Remarks

(Drawing No.)

Wiring

Diagram

Symbol

Q'ty/set Price

Unit

PL-3

GJB.UK, GJB1.UK

GJB

2

.UK

Recom­mended

Q'ty

Amount

2
3
4
5
6
7
8
9

10

S70 700 003
S70 W28 500
S70 W28 691
S70 W28 098
S70 20K 200
S70 139 305
S70 W28 054
S70 029 054
S70 W28 083
S70 W28 673

AIR OUTLET GRILLE
AIR FILTER
INTAKE GRILLE
HANGER G
REMOTE CONTROLLER
REMOTE CONTROLLER CABLE
GRILLE CATCH
FILTER CATCH
SHUTTER PLATE
PANEL SCREW

1
1
1
1
1
1
2
2
1
1

R.B

10m

Part numbers that are circled are not shown in the figure.

7

7

8

1

2

3

5

6

4

PANEL PARTS
PL-3GJB.UK
PL-3GJB

1.UK

PL-3GJB

2.UK

9

No. Part No. Part Name Specifications

Remarks

(Drawing No.)

Wiring
Diagram
Symbol

Q'ty/set Price

Unit

PL-3

GJB.UK,GJB1.UK

GJB

2

.UK

Recom-

mended

Q'ty

Amount

1
2
3
4
5
6
7
8
9

S70 W29 002
S70 W30 002
S70 W28 085
S70 W28 086
S70 W28 087
S70 W28 088
S70 700 223
S70 W28 063
S70 W28 064

AUTO VANE
AUTO VANE
AIR GUIDE
AIR GUIDE
AIR GUIDE
AIR GUIDE
VANE MOTOR
VANE JOINT
VANE BUSHING

2
2
1
1
1
1
2
4
8

MV

PANEL PARTS
PL-3GJB.UK
PL-3GJB

1 .UK

PL-3GJB

2 .UK

9

8

7

2

9

8

9

9

1

8

5

3

8

6

2

4

9

9

9

10

31

23

22

20

19

21

18

17

14

16

15

26

30

25

29

13

12

11

10

9

28

7

2

8

4

8

5

1

3
6

8

27

FUNCTIONAL PARTS
PL-3GJB.UK
PL-3GJB

1.UK

PL-3GJB

2.UK

Part numbers that is circled is not shown in the figure.

No.1Part No. Part Name

S70 001 687

2

S70 001 688

3

S70 002 688

4

S70 703 762

5

S70 W28 105

6

S70 W46 130

7

S70 W47 114

8

S70 001 133

9

S70 175 480

10

S70 13B 202

11

S70 K01 523

12

S70 11K 355

13

S70 W28 266

14

S70 020 529

15

S70 522 716

16

S70 512 716

17

S70 11K 799

18

S70 W28 255

19

S70 27K 310

20

S70 001 239

21

S70 001 311

22

S70 001 502

23

S70 13A 202

24

S70 W28 527

25

S70 001 501

26

S70 002 501

27

S70 022 304

28

S70 09K 097

29

S70 006 533

30

S70 A48 524

31

S70 11K 675

BASE
DRUM (1)
DRUM (2)
FAN MOTOR
RUBBER MOUNT
MOTOR LEG
TURBO FAN
LEG
HEAT EXCHANGER
INDOOR COIL THERMISTOR (H)
DRAIN SOCKET
DRAIN PUMP
DRAIN SENSOR
DRAIN PAN
TERMINAL BLOCK
TERMINAL BLOCK
TRANSFORMER
FAN MOTOR CAPACITOR
INDOOR CONTROLLER BOARD
FUSE
INDOOR CONTROLLER CASE
BELL MOUTH
ROOM TEMPERATURE THERMISTOR (S)
DRAIN HOSE
CONTROL BOX T/B ASSY
CONTROL BOX K ASSY
CABLE FOR BOARD
SPL WASHER
SENSOR HOLDER
DRAIN PLUG
FAN GUARD

Specifications

PM6V50-LA

(L, N, ;)
(1, 2)

3µF 400V

250V 6.3A

5m

Q'ty/set Price

PL-3

GJB.UK, GJB1.UK

GJB

2

.UK

1
1
1
1
3
1
1
4
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1

Remarks

(Drawing No.)

(PART OF THE BOARD)

Wiring

Recom-

Diagram

mended

Symbol

MF1

RT2

DP
DS

TB2
TB4
T
C1
I.B
F1, 2<I.B>

RT1

Q'ty

Unit

Amount

11

© Copyright 1999 MITSUBISHI ELECTRIC ENGINEERING CO.,LTD.
Issued in Dec. 1999. No.OC203 242
Printed in Japan

New publication, effective Dec. 1999
Specifications subject to change without notice

TM

HEAD OFFICE MITSUBISHI DENKI BLDG. MARUNOUCHI TOKYO 100-8310 TELEX J24532 CABLE MELCO TOKYO