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

SPLIT -TYPE AIR CONDITIONERS

Outdoor unit

TECHNICAL & SERVICE MANUAL

Outdoor unit [Model names]

[Service Ref.]

No.OC202

PU-3VJC

PU-3YJC

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

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

3

PL-3GJB2.UK PS-3GJA2

2 PART NAMES AND FUNCTIONS

●Outdoor Unit PU-3VJC.UK/PU-3YJC.UK

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

D.B. 35°C, W.B. 22.5°C D.B. 21°C, W.B. 15.5°C

Indoor

kW

A A

kW

W

kW

CMM

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

kg(lbs)

L mm(in.) mm(in.)

Outdoor D.B. 52°C D.B. 21°C

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

Internal thermostat,

HP switch , LP switch

Air outlet

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

3.18

15.1 / 5.7 54 /34

Munsell 5Y 7/1

Capillary tube

Hermetic

NH52VNDT / NH52YDAT

2.2 / 2.4

Line start

thermal switch, reversed-phase protector,

/

HPswitch, LP switch, thermal relay

32

Plate fin coil

Propeller (direct)

0.085 50 52

870(34-1/4)

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

850(33-7/16)

73(161)

R-22

2.8(6.2)

1.6 (MS32)

9.52 (3/8)

15.88(5/8) Flared Flared

Max. 20m Max. 30m

2

4 DATA

Power supply (1 phase) Current Input Starting current

A

kW

Power supply (3 phase) Current

Input Starting current

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.UK

PU-3YJC.UK

Compressor

Winding resistance("). at 20:

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

NH52VNDT NH52YDAT

0.83

3.68

2.03

3.68

—

3.68

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

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

0 0

0.06(0.13)

0.12(0.26)

—

— —

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

Outdoor unit Service Ref.

1. ELECTRICAL SPECIFICATIONS

Rating conditions

●JIS B 8616

2. COMPRESSOR TECHNICAL DATA

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)

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

Note:Allow adequate

upper clearance

150

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 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 with ground terminal

Handle for moving

179 524

441

337

352

403

553

850(33-7/16)

40 60524

Service panel

Refrigerant-pipe flared

connection [15.88 (5/8)

Refrigerant-pipe flared

connection [9.52 (3/8)

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

2-12o23 Oval holes

(standard bolt M10)

Handle for moving

5 OUTLINES AND DIMENSIONS

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

Unit : mm (inch)

4

6 WIRING DIAGRAM

PU-3VJC.UK

POWER SUPPLY ~/N 220-240V 50Hz

TB1

L

N

GRN/YLW

F3

(5A)

A

TB3

RED

1

2

WHT

PU-3YJC.UK

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

TB1

L1

L2

L3

N

GRN /YLW

RED

F3

(5A)

YLW

A

TB3

RED

1

2

WHT

RED

YLW

A2

B

X14

RED

WHT

A1

B

BLK

RED

BLU

52

BLU

52

C

X17X14

BLU

C

A2

ORN

X17X14

22

21

52C

GRY

P1

RED RST

2 1

52C

GRY

ORN

P1

GRY

2

1

WHT

X6

32 31

X6

L1/1

L2/3

L3/5

BLU

L1/1

L3/5

HC

13 14

GRY

52C

X6

BLU

YLW C

47

A

13

VLT

52C

X6

63H

52C

VLT

52C

47

HC

52C

VLT

52C

26C

14

T1/2

T3/6

GRY

P3P3

YLW

GRY

VLT

P3 P3

X17

63L

WHT

X17

63H

63L

WHT

P2

51C

P2

RED

WHT

C3

WHT

CP

T1/2

T2/4

T3/6

C3

51C

9695

GRY

WHT

CP

BLU RED

WHT

RED

WHT

BLK

WHT RED

BLU

C CP

R

V

49F3

U

W

49F3

MC

MF3

MC

MF3

BLK

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.UK / PU-3YJC.UK

High pressure switch

Strainer

Compressor

Capillary tube

[ ø3.2 oø1.8 o800mm ]

o 2pcs

Discharge pressure regulator

Outdoor heat exchanger

Strainer

flow of refrigerant

ø15.88 (5/8'')

Strainer

Ball

valve

ø9.52 (3/8'')

Low pressure switch

Charge plug

Accumulator

Ball valve (with service port)

Check plug

Unit : mm(inch)

5

8 DISASSEMBLY PROCEDURE

OUTDOOR UNIT (PU-3VJC.UK)

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

Compressor 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 protect

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 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

Photo 5

Heat exchanger

Accumulator

Photo 6

Charge plug

Valve bed

Ball valve

Compressor

7

9 PARTS LIST

FUNCTIONALPARTS PU-3VJC.UK / PU-3YJC.UK

3

5

4

6

7

(for PU-3YJC)

23

9

PU-3VJC.UK

8

22

20

4

19 3 89

18

2

21

Part No. Part Name Specification

No.

1

S70 020 763

2

S70 001 115

3

S70 965 282

4

S70 510 239

5

S70 510 241 S70 509 716

6

S70 093 716

7

S70 515 716 S70 616 709

8

S70 A07 708

9

S70 576 255 S70 631 400

10

S70 613 400

11

S70 A04 208

12

S70 965 209

13

S70 A08 440

14

S70 A05 236

15

S70 951 411

16

S70 943 410

17

S70 591 413

18

S70 004 408

19

S70 101 723

20

S70 050 425

21

S70 300 097

22

S70 001 402

23

S70 104 290

24

S70 652 238

1

FAN MOTOR PROPELLER FAN COMPRESSOR PROTECTOR FUSE FUSE HOLDER TERMINAL BLOCK (POWER) TERMINAL BLOCK (POWER) TERMINAL BLOCK COMPRESSOR CONTACTOR COMPRESSOR CONTACTOR FAN MOTOR CAPACITOR COMPRESSOR COMPRESSOR HIGH PRESSURE SWITCH LOW PRESSURE SWITCH ACCUMULATOR CRANKCASE HEATER BALL VALVE 5/8 BALL VALVE 3/8 CHARGE PULG HEAT EXCHANGER COMPRESSOR RUN CAPACITOR CAPILLARY TUBE DOME CAP NUT DISCHARGE PRESSURE REGULATOR ANTI PHASE PROTECTOR THERMAL SWITCH

10

(COMMS)

17

11

24

(for PU-3YJC)

PN6V85-UA

250V 5A

Earth

(L, N, (L1, L2, L3, N, Earth) (1, 2) S-N25EX MSO-N12KF 3µF 440V NH52 VNDT NH52 YDAT CUT 3.24MPa CUT 0.05MPa

240V 38W

60µF ø3.2✕ø1.8✕800mm M8

)

12

13

17

16 15

14

PU-3VJC.UK

Q,ty/set

1 1 1 1 1 1

1 1

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

PU-3YJC.UK

1 1 1 1 1

1 1

1 1 1 1 1 1 1 2 1

1 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

S70 020 641 S70 001 673 S70 001 668 S70 001 675 S70 A00 655 S70 001 661 S70 030 662 S70 001 699 S70 002 699 S70 030 682 S70 020 658 S70 030 698 S70 001 130 S70 001 686

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

1

13

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

(5✕10)

Part No. Part Name

SpecificationNo.

Q,ty/set

Wiring

Diagram

Symbol

Recom-

mended

Q,ty

Price

Unit

Amount

Remarks

(Drawing No.)

PU-3

VJC.UK , YJC.UK

1 2 3 4 5 6 7 8

9 10 11 12 13 14

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

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

5247

524

7

4oø6 hole

72

Unit : mm

10

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