Mitsubishi PU-3VJC, PU-3YJC Service Manual

SPLIT -TYPE AIR CONDITIONERS

Outdoor unit

TECHNICAL & SERVICE MANUAL

Outdoor unit
[Model names]

[Service Ref.]

1999

No.OC187

PU-3VJC

PU-3YJC

PU-3VJC
PU-3YJC

CONTENTS

1.

COMBINATION OF INDOOR AND OUTDOOR UNITS

2. PART NAMES AND FUNCTIONS ···················2

3. SPECIFICATIONS············································2

4. DATA ································································3

5. OUTLINES AND DIMENSIONS·······················4

6. WIRING DIAGRAM ··········································5

7. REFRIGERANT SYSTEM DIAGRAM··············5

8. DISASSEMBLY PROCEDURE ························6

9. PARTS LIST·····················································8

10. OPTIONAL PARTS ·······································10

····2

1 COMBINATION OF INDOOR AND OUTDOOR UNITS

(INDOOR UNIT)

INDOOR UNIT Service Ref.

PC-3GJA

2

PE-3EJA3.TH
PED-3EJA

1.UK

PK-3FLA
PK-3FLA2.TH

3

PL-3GJB2
PL-3GJC1
PL-3GJB2.UK

2 PART NAMES AND FUNCTIONS

●Outdoor Unit

Air outlet

Air intake

3 SPECIFICATIONS

Service Ref.

Power supply (phase, cycle, voltage)

Input
Running current

Starting current
External finish
Refrigerant control
Compressor

Model

Motor output

Starter type

Protection devices

Cranckcase heater
Heat exchanger

OUTDOOR UNIT

Fan(drive) / No.

Fan motor output

Airflow
Noise level

W

Dimensions

Weight
Refrigerant

Charge

Oil (Model)

Pipe size O.D.

Connection method

PIPING

Between the indoor & outdoor unit

REFRIGERANT

Notes1.Rating Conditions (JIS B8616)

Cooling: Indoor :27°C(80°F)DB. 19°C(66°F)WB Outdoor :35°C(95°F)DB. 24°C(75°F)WB
Refigerant piping length (one way) :5m (16ft)

2. Guaranteed operating range
Cooling

3. Above values are as follows.

Indoor Unit 1 phase 220V 50Hz
Outdoor Unit 1 phase 220V 50Hz / 3 phase 380V 50Hz

Upper limit
Lower limit

D
H

Liquid

Gas
Indoor side
Outdoor side
Height difference
Piping length

35°C DB, 22.5°C WB
21°C DB, 15.5°C WB

Indoor

kW

A
A

kW

W

kW

CMM

dB
mm(in)
mm(in)
mm(in)
kg(lbs)

kg(lbs)

l

mm(in)
mm(in)

Outdoor
52°C DB
21°C DB

Single, 50Hz, 220~240V / 3, 50Hz, 380-415V (4wires)

Internal thermostat,

HP switch , LP switch

PS-3GJA
PS-3GJ2

PU-3VJC / PU-3YJC

NH52VND / NH52YDE

Propeller (direct)

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

2

3.18

15.1 / 5.7
54 /34

Munsell 5Y 7/1

Capillary tube

Hermetic

2.2 / 2.4

Line start

thermal switch, reversed-phase protector,

/

32

Plate fin coil

0.085
50
52

870(34-1/4)

850(33-7/16)

73(161)

R-22

2.8(6.2)

1.3 (MS32)

9.52 (3/8)

15.88(5/8)
Flared
Flared

Max. 20m
Max. 30m

HPswitch, LP switch, thermal relay

2

4 DATA

Power supply (1 phase)
Current
Input
Starting current

A

A

kW

Power supply (3 phase)
Current

Input
Starting current

A

A

kW

220V 50Hz

230V 50Hz

240V 50Hz

15.1

3.18
54

14.4

3.19
56

13.9

3.20
58

380/220V 50Hz

5.7

3.18
34

5.4

3.19
36

5.3

3.20
37

400/230V 50Hz 415/240V 50Hz

PU-3VJC

PU-3YJC

Compressor

Winding resistance("). at 20:

R-C/U-V S-C/V-W W-U

NH52VND

NH52YDE

0.83

3.68

2.03

3.68

—

3.68

PU-3VJC

PU-3YJC

Outdoor unit
Service Ref.

Outdoor unit

precharged (kg)

(up to 20m)

Refrigerant piping length (one way)

20m (66ft)

25m (82ft)

30m (98ft)

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

2.8

2.8

0

0

0.06(0.13)

0.06(0.13)

0.12(0.26)

0.12(0.26)

—

—

—

—

—
—

—
—

PU-3VJC
PU-3YJC

Outdoor unit
Service Ref.

1. ELECTRICAL SPECIFICATIONS

Rating conditions

●JIS B 8616

2. COMPRESSOR TECHNICAL DATA

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

3. ADDITIONAL REFRIGERANT CHARGE (R-22

……

kg (lbs))

3

100 10

1000For 10 units or less

200

Outdoor Unit-necessary surrounding clearance

(Concentrated installation)

The upper side must be open.

Outdoor Unit-necessary surrounding clearance

200

10

10

10

Note:Allow adequate

upper clearance

150

500

500

Service space

Front opening

Handle

for moving

138

95

Rear piping hole

23

33

Rear fresh

air intake

Side air intake

7 24(1)295(11-5/8)

Outlet guide

installation hole

302

Air intake

Air intake

Air outlet

870(34-1/4)

185

(7-9/32)

185

(7-9/32)

500(19-11/16)

330(13)

362(14-1/4)

1715

39.5 27.5
Terminal block for indoor and outdoor unit connection

Terminal block for power line

Handle for moving

179 524

441

337

352

403

553

850(33-7/16)

40 60524

Service panel

Ground

terminal

Refrigerant-pipe flared

connection [15.88 5/8F

Refrigerant-pipe flared

connection [9.52 3/8F

Knock out hole

for front piping

(refrigerant,drainage

and wiring)

Knock out hole

for front piping

(refrigerant,drainage

and wiring)

R

20

R

2

0

60

120

4553

25 max.

Knock out holes for

power line 2-[27

Standard bolt length

65

Front right piping holes-

detail figures

80

17

42

45

12

R6

104

33

Bottom

piping hole

2-U-shaped

notched

holes

Drain hole

Drain hole

2-12o23 Oval holes

(standard bolt M10)

Handle for moving

5 OUTLINES AND DIMENSIONS

PU-3VJC / PU-3YJC

Unit : mm (inch)

4

6 WIRING DIAGRAM

PU-3VJC

POWER SUPPLY
~/N
220-240V
50Hz

TB3

PU-3YJC

POWER SUPPLY
3N~
380/220~415/240V 50Hz

TB1

TB3

L1

L2

L3

N

RED
1

2

WHT

TB1

RED
1

2

WHT

(5A)

F3

L

N

F3

(5A)

GRN
/YLW

GRN/YLW

RED

YLW

A

1
2

RED

A2

YLW

A

X14
1
2

A1

B

X14

RED

WHT

BLK

A1

B

RED

BLU

52

C

BLU

52

C

X17X14

BLU

A2

ORN

X17X14

22

21

52C

GRY

52C

GRY

GRY

GRY

P1

RED
RST

1
2

GRY

ORN

P1

32
31

GRY

X6

L1/1

L2/3

L3/5

WHT

BLU

X6

L1/1

L3/5

HC

BLU

YLW
C

A

52C

X6

52C

63H

52C

13 14

VLT

52C

52C

X6

52C

47

HC

47

52C

13

VLT

52C

T1/2

T3/6

VLT

P3P3

26C

14

VLT

P3 P3

GRY

YLW

GRY

X17

63L

WHT

X17

63H

63L

WHT

BLU

WHT

C3

WHT

P2

CP

51C

T1/2

T2/4

T3/6

C3

51C

9695

GRY

WHT

P2

CP

BLU
RED

WHT

RED

WHT

BLU

WHT
RED

BLU

C
CP

R

V

49F3

49F3

MC

MF3

MC

U

W

MF3

BLU

C

S

RED

C
49C

BLU

4

RED

2

ORNORN

1
3

WHT

BLU

4

RED

2

ORNORN

1
3

WHT

C3
F3
HC
MC
MF3
TB1
TB3
49C
49F3
52C
63H
63L LOW PRESSURE SWITCH

NOTES: 1. THE DOTTED LINES SHOW FIELD WIRING.

2. TO INDOOR UNIT TERMINAL BLOCK.

CP
C3
F3
HC
MC
MF3
TB1
TB3
26C
47
49F3
51C
52C
63H
63L

NOTES:1.THE DOTTED LINES SHOW FIELD WIRING.

2. TO INDOOR UNIT TERMINAL BLOCK.

COMPRESSOR RUN CAPACITOR
COMPRESSOR PROTECTOR
FAN MOTOR CAPACITOR
FUSE(5A)
CRANKCASE HEATER
COMPRESSOR
FAN MOTOR
TERMINAL BLOCK (POWER SUPPLY)
TERMINAL BLOCK (INDOOR/OUTDOOR CONNECTING LINE)
COMPRESSOR INTERNAL THERMOSTAT
FAN MOTOR INTERNAL THERMOSTAT
COMPRESSOR CONTACTOR
HIGH PRESSURE SWITCH

COMPRESSOR PROTECTOR
FAN MOTOR CAPACITOR
FUSE(5A)
CRANKCASE HEATER
COMPRESSOR
FAN MOTOR
TERMINAL BLOCK (POWER SUPPLY)
TERMINAL BLOCK (CONNECTING WIRES INDOOR/OUTDOOR)
THERMAL SWITCH
ANTI-PHASE PROTECTOR
INTERNAL THERMOSTAT
THERMAL RELAY
COMPRESSOR CONTACTOR
HIGH PRESSURE SWITCH
LOW PRESSURE SWITCH

7 REFRIGERANT SYSTEM DIAGRAM

PU-3VJC / PU-3YJC

High pressure
switch

Strainer

Compressor

Capillary tube

( ø3.2 oø1.8 o800)

o 2pcs

Discharge pressure regulator

Outdoor heat
exchanger

Strainer

flow of refrigerant

5

ø15.88

(5/8'')

Strainer

Ball

valve

ø9.52
(3/8'')

Low pressure
switch

Charge
plug

Accumulator

Ball valve
(with service port)

Check
plug

8 DISASSEMBLY PROCEDURE

OUTDOOR UNIT (PU-3VJC)

OPERATING PROCEDURE PHOTOS

1. Removing the electrical parts

(1)

Remove the 5 screws and the top panel. (3 screws in

front and 2 screws in rear

(2)

Remove the screw of the cover panel. To remove the
cover panel, pull it toward you and unhook the catches
from the side panel.

(3)

Remove the screw of the service panel. To remove the
service panel, pull it down toward you and unhook the
catches on the both sides.

)

Photo 1

Photo 2

Compresser
protector

Screws

Top panel

Service panel

Panel cover

Front panel

Capacitor

Contactor

2. Removing the fan motor

(1)

Remove the 3 screws of the front panel. Open the
front panel to a 45-degree angle. Then lift it and
unhook the 3 catches to remove.

(2)

Remove the propeller nut and the propeller.

(3)

Remove the 3 screws and the fan motor.
Disconnect the lead connectors.

Photo 3

Propeller

6

Terminal blockScrews

Motor support

Propeller nut Crankcase heater

Separator support plate

High-pressure control

Lead
connectors

Valve bed

switch

OPERATING PROCEDURE PHOTOS

3. Removing the heat exchanger and the compressor

(1)

Remove the rear panel (2 screws in front, 1 screw on
the side, 3 screws in the rear). Remove the valve bed,
and open the rear panel to the rear to remove.

NOTE :

All panels are fixed by catches, and must be removed by
shifting up and down.

(2)

Remove the 4 screws of the right side panel and
remove the right side panel.

(3)

Remove the 3 screws of the rear guard and remove

the rear guard.

(4)

Remove the 4 screws of the separator support plate
and remove the separator support.

(5)

Remove the 2 screws of the motor support and
remove the motor support.

(6)

Remove the 5 screws of the valve bed.
The valve bed is fixed by the catches on the right and
left sides.
Lift it to remove.

(7)

Remove the electrical parts box.
Disconnect the connectors from the high pressure
switch, crank case heater, shell thermo, and fan motor
lead.

(8)

Remove the 2 screws of the separator and remove the
separator.

(9)

Remove the 2 screws of the heat exchanger and
remove the heat exchanger.
Detach the welded point of pipe.

)

(

Remove the 3 nuts of the compressor and remove the

10

compressor.
Detach the welded points of the compressor suction
pipe and discharge pipe.

Photo 4

Screws

Screws

Photo 5

Heat exchanger

Accumulator

Photo 6

Charge plug

Ball valve

Compressor

7

9 PARTS LIST

FUNCTIONALPARTS
PU-3VJC / PU-3YJC

5

6

7

4

9

8

22

20

PU-3VJC

4

19 3 89

(for PU-3YJC)

23

3

18

2

21

Part No. Part Name Specification

No.

1

T7W A00 763

2

R01 A00 115

3

T7W 965 282

4

T7W 510 239

5

T7W 510 241
T7W 509 716

6

T7W A03 716

7

T7W 515 716
T7W 616 709

8

T7W A07 708

9

R01 576 255
T97 600 300

10

T97 615 300

T7W A04 208

11

T7W 965 209

12

T7W E08 440

13

T7W A05 236

14

R01 943 410

15

R01 951 411

16

R01 590 413

17

T7W E05 408

18

T7W 101 723

19

R01 588 425

20

R01 30L 097

21

T7W A00 401

22

T7W 104 290

23

R01 652 238

24

1

FAN MOTOR
PROPELLER FAN

COMPRESSOR PROTECTOR

FUSE
FUSE HOLDER
TERMINALBLOCK
TERMINALBLOCK
TERMINALBLOCK
COMPRESSOR CONTACTOR
COMPRESSOR CONTACTOR
FAN MOTOR CAPACITOR
COMPRESSOR
COMPRESSOR
HIGH PRESSURE SWITCH
LOW PRESSURE SWITCH
ACCUMULATOR
CRANKCASE HEATER
BALL VALVE
BALL VALVE
CHARGE PLUG
HEAT EXCHANGER

COMPRESSOR RUN CAPACITOR

CAPILLARY TUBE
NUT
DISCHARGE PRESSURE REGULATOR
ANTI-PHASE PROTECTOR
THERMAL SWITCH

10

17

11

24

(for PU-3YJC)

PA6V85-UJ

250V 5A

(L,N, )
(L1,L2,L3,N, )
(1,2)
S-N25 230V
MSO-N12KF
3µF 440V
NH52VND
NH52YDE
CUT 3.3MPa
CUT 0.05MPa

240V 38W
3/8"
5/8"

60µF 400V
ø3.2oø1.8o800
M8

CS-7-2590

12

13

17

15
16

14

Q,ty/set

PU-3VJC

1
1
1
1
1
1

1
1

1
1

1
1
1
1
1
1
2
1
1
2
1
1

PU-3YJC

1
1
1
1
1

1
1

1
1

1
1
1
1
1
1
1
2
1

2
1
1
1
1

5

7

Remarks

6

Wining

Diagram

Symbol

MF3

CP
F3

TB1
TB1
TB3
52C
52C
C3
MC
MC
63H
63L

HC

C

47
26C

Recom-

mended

Q,ty

Price

Unit

Amount

8

STRUCTURAL PARTS

1
2
3
4
5
6
7
8
9

10

11
12
13
14

Part No. Part Name

SpecificationNo.

Q,ty/set

Wiring

Diagram

Symbol

Recom-

mended

Q,ty

Price

Unit

Amount

TOP PANEL
F. ST SCREW
FRONT PANEL
FAN GUARD
HANDLE
SERVICE PANEL
LEFT SIDE PANEL
LABEL (MITSUBISHI)
LABEL(BRAND)
REAR PANEL
PANEL COVER
REAR GUARD
MOTOR SUPPORT
BASE

1

13

1
1
3
1
1
1
1
1
1
1
1
1

Remarks

(Drawing No.)

(DG79R130H01)
(BC79G510H02)

(BG00B020G56)

(Z004M203H10)

(5o10)

T7W E02 641

R01 A08 668
R01 A00 675
R01 A00 655

T7W E06 661

R01 A08 662

R01 A08 682
R01 A00 658
R01 A08 698

R01 A04 686

PU-3

VJC , YJC

PU-3VJC / PU-3YJC

1 122

8105

7

3
5

4

14 13 6911

9

10 OPTIONALPARTS

AIR OUTLET GUIDE

This guide is needed for changing the direction of the outdoor unit’s air discharge upward or downward.

Part No. PAC-292SG

537

538

7

7

5247

524

7

4oø6 hole

72

Unit : mm

10

HEAD OFFICE MITSUBISHI DENKI BLDG.MARUNOUCHI TOKYO100-8310 TELEX J24532 CABLE MELCO TOKYO

CCopyright 1999 MITSUBISHI ELECTRIC ENGINEERING CO.,LTD.
Issued in Jun. 1999. No. OC187 846 New publication, effective Jun.1999
Printed in Japan. Specifications subject to change without notice.