SPLIT-TYPE AIR CONDITIONERS
No.OC202
TECHNICAL & SERVICE MANUAL
Outdoor unit
[Model names]
PU-3VJC
PU-3YJC
[Service Ref.]
PU-3VJC.UK
PU-3YJC.UK
CONTENTS
Outdoor unit
1. COMBINATION OF INDOOR AND OUTDOOR UNITS ····2
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
1
COMBINATION OF INDOOR AND OUTDOOR UNITS
(INDOOR UNIT)
INDOOR UNIT Service Ref.
PC-3GJA2
2
PE-3EJA3.TH
PED-3EJA1.UK
PL-3GJB2.UK
PK-3FLA3
PS-3GJA2
PART NAMES AND FUNCTIONS
●Outdoor Unit
PU-3VJC.UK/PU-3YJC.UK
Air outlet
Air intake
OUTDOOR UNIT
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
kW
Internal thermostat,
HP switch , LP switch
W
W
D
H
Weight
Refrigerant
Charge
Oil (Model)
REFRIGERANT
PIPING
kW
A
A
Cranckcase heater
Heat exchanger
Fan(drive) o No.
Fan motor output
Airflow
Noise level
Dimensions
PU-3VJC.UK / PU-3YJC.UK
Single, 50Hz, 220~240V / 3, 50Hz, 380-415V (4wires)
3.18
15.1 / 5.7
54 /34
Munsell 5Y 7/1
Capillary tube
Hermetic
NH52VNDT / NH52YDAT
2.2 / 2.4
Line start
kW
CMM
dB
mm(in.)
mm(in.)
mm(in.)
kg(lbs)
kg(lbs)
L
mm(in.)
mm(in.)
Notes1. Rating Conditions (JIS B8616)
Cooling : Indoor : D.B. 27°C(80°F), D.B. 19°C(66°F)
Refigerant piping length (one way) :5m (16ft)
2. Guaranteed operating range
Indoor
Cooling
Upper limit D.B. 35°C, W.B. 22.5°C
Lower limit D.B. 21°C, W.B. 15.5°C
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
Liquid
Gas
Indoor side
Connection method
Outdoor side
Height difference
Between the indoor & outdoor unit
Piping length
Pipe size O.D.
/
Outdoor : D.B. 35°C(95°F), W.B. 24°C(75°F)
Outdoor
D.B. 52°C
D.B. 21°C
3. Above values are as follows.
Indoor Unit
1 phase 220V 50Hz
Outdoor Unit
1 phase 220V 50Hz / 3 phase 380V 50Hz
2
4
DATA
1. 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)
PU-3VJC.UK
Power supply (1 phase)
Current
A
Input
kW
A
Starting current
220V 50Hz
15.1
3.18
54
230V 50Hz
14.4
3.19
56
240V 50Hz
13.9
3.20
58
PU-3YJC.UK
Power supply (3 phase)
Current
Input
Starting current
A
kW
A
380/220V 50Hz
5.7
3.18
34
400/230V 50Hz
5.4
3.19
36
415/240V 50Hz
5.3
3.20
37
2. COMPRESSOR TECHNICAL DATA
Outdoor unit
Service Ref.
PU-3VJC.UK
PU-3YJC.UK
Winding resistance(").
at 20:
Compressor
NH52VNDT
NH52YDAT
R-C/U-V
S-C/V-W
W-U
0.83
2.03
—
3.68
3.68
3.68
3. ADDITIONAL REFRIGERANT CHARGE (R-22……kg (lbs))
Outdoor unit
Refrigerant piping length (one way)
Outdoor unit precharged (kg)
Service Ref. (up to 20m) 20m (66ft) 25m (82ft) 30m (98ft) 35m (115ft) 40m (131ft) 45m (148ft) 50m (164ft)
PU-3VJC.UK
PU-3YJC.UK
2.8
0
0.06(0.13) 0.12(0.26)
—
—
—
—
2.8
0
0.06(0.13) 0.12(0.26)
—
—
—
—
3
Handle
for moving
95
100
For 10 units or less
Rear piping hole
10
138
200
Rear fresh
air intake
23
Side air intake
7
295(11-5/8)
Outlet guide
installation hole
Handle for moving
24(1)
33
1000
524
Drain hole
441
40
524
870(34-1/4)
Drain hole
2-12o23 Oval holes
(standard bolt M10)
302
Air outlet
10
500
Front opening
Note:Allow adequate
upper clearance
10
Service space
Service panel
12
R6
65
120
60
Knock out holes for
power line 2-[27
Standard bolt length
PU-3VJC.UK / PU-3YJC.UK
Front right piping holesdetail figures
Knock out hole
for front piping
(refrigerant,drainage
R2
and wiring)
0
Knock out hole
for front piping
(refrigerant,drainage
and wiring)
Bottom
piping hole
33
60
Refrigerant-pipe flared
connection [15.88 (5/8)
Refrigerant-pipe flared
connection [9.52 (3/8)
Handle for moving
Terminal block for power line with ground terminal
2-U-shaped
notched
holes
104
10
Terminal block for indoor and outdoor unit connection
337
Air intake
553
45
Air intake
185
(7-9/32)
352
42
850(33-7/16)
500(19-11/16)
17
185
(7-9/32)
0
179
500
80
Outdoor Unit-necessary surrounding clearance
(Concentrated installation)
The upper side must be open.
403
150
17
39.5 27.5
330(13)
362(14-1/4)
15
200
Outdoor Unit-necessary surrounding clearance
R2
45
53
4
25 max.
5
OUTLINES AND DIMENSIONS
Unit : mm (inch)
6
WIRING DIAGRAM
PU-3VJC.UK
POWER SUPPLY
~/N
220-240V
50Hz
TB1
52C
BLU
N
GRY
RED
L
L1/1
T1/2
RED
L3/5
T3/6
WHT
C
49C
2
HC
1
C3
GRY
RED
BLU
GRN/YLW
32
P1
B
52C
X14
TB3
RED
MF3
BLU
BLU
4
RED
RED
2
ORN
ORN
1
3
WHT
WHT
49F3
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
LOW PRESSURE SWITCH
NOTES: 1. THE DOTTED LINES SHOW FIELD WIRING.
2.
TO INDOOR UNIT TERMINAL BLOCK.
WHT
WHT
63L
GRY
VLT
GRY
YLW
ORN
A
VLT
52C
31
A1
63H
52 GRY
C
13 52C14
A2
F3
(5A)
MC
BLK R
C RED S
C
CP
C3
F3
HC
MC
MF3
TB1
TB3
49C
49F3
52C
63H
63L
P3 P3 P2
52C
X6
CP
X17
1
1
X6
2 X14 X17
2
WHT
PU-3YJC.UK
POWER SUPPLY
3N~
380/220~415/240V 50Hz
52C
TB1
RED
L1
51C
L1/1
T1/2
RED
L2
WHT
L2/3
T2/4
WHT
L3
BLK
L3/5
T3/6
BLK
W
GRY
RED
WHT
BLU
N
A
RED
96
63L
MC
BLU
RED
ORN
WHT
49F3
MF3
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
NOTES:1.THE DOTTED LINES SHOW FIELD WIRING.
2. TO INDOOR UNIT TERMINAL BLOCK.
WHT
WHT
63H
WHT
4
RED
2
ORN 1
3
BLU
GRY
95
VLT
GRY
VLT
BLU
51C
YLW
YLW
52C C
21
47
A1
A
52
52C
13
14
C
A2
P1
52C 52C P3
B
22
X14
TB3
HC 26C
2
1
ORN GRY
YLW
F3
(5A)
C3
R S T 47
BLU
RED
GRN
/YLW
U
V
CP
C3
F3
HC
MC
MF3
TB1
TB3
26C
47
49F3
51C
52C
63H
63L
P3 P2
X6
X17
1
1
CP
X6
2 X14 X17
2
WHT
7
REFRIGERANT SYSTEM DIAGRAM
PU-3VJC.UK / PU-3YJC.UK
Strainer
[15.88
(5/8'') Ball
valve
Low pressure
switch
Charge
plug
Unit : mm(inch)
High pressure
switch
Check
plug
Outdoor heat
exchanger
Strainer
Strainer
Accumulator
Compressor
Capillary tube
[ [3.2 o[1.8 o800A ] o 2pcs
[9.52
(3/8'') Ball valve
(with service port)
Discharge pressure regulator
5
flow of refrigerant
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
Screws
Top panel
Service panel
Panel cover
Front panel
Photo 2
Compressor
protector
Capacitor
Contactor
Screws
Terminal block
Photo 3
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.
Motor support
Separator support plate
High-pressure protect
switch
Propeller
Lead
connectors
Valve bed
Propeller nut
6
Crankcase heater
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.
(10) Remove the 3 nuts of the compressor and remove the
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
Valve bed
Ball valve
Compressor
7
9
PARTS LIST
FUNCTIONAL PARTS
PU-3VJC.UK / PU-3YJC.UK
5 4 3
23 (for PU-3YJC)
9
6
8
PU-3VJC.UK
22
4
20
19
3
9
8
7
12
5
18
2
13
17
21
16
15
7
14
1
11
17
10
6
24 (for PU-3YJC)
,
Q ty/set
No.
Part No.
Part Name
Remarks
Specification
PU-3VJC.UK PU-3YJC.UK
1 S70 020 763 FAN MOTOR
PN6V85-UA
Wining RecomDiagram mended
,
Symbol Q ty
1
1
2 S70 001 115 PROPELLER FAN
1
1
3 S70 965 282 COMPRESSOR PROTECTOR
1
1
CP
1
1
F3
1
1
4 S70 510 239 FUSE
250V 5A
5 S70 510 241 FUSE HOLDER
6
S70 509 716 TERMINAL BLOCK (POWER) (L, N, ;)
7 S70 515 716 TERMINAL BLOCK (COMMS) (1, 2)
8
1
S70 093 716 TERMINAL BLOCK (POWER) (L1, L2, L3, N, ;)
S70 616 709 COMPRESSOR CONTACTOR S-N25EX
1
9 S70 576 255 FAN MOTOR CAPACITOR 3+ 440V
10
S70 631 400 COMPRESSOR
NH52 VNDT
S70 613 400 COMPRESSOR
NH52 YDAT
TB1
1
TB1
1
TB3
1
S70 A07 708 COMPRESSOR CONTACTOR MSO-N12KF
1
MF3
52C
1
52C
1
C3
1
MC
1
MC
11 S70 A04 208 HIGH PRESSURE SWITCH CUT 3.24MPa
1
1
63H
12 S70 965 209 LOW PRESSURE SWITCH CUT 0.05MPa
1
1
63L
13 S70 A08 440 ACCUMULATOR
1
1
14 S70 A05 236 CRANKCASE HEATER 240V 38W
1
1
15 S70 951 411 BALL VALVE 5/8
1
1
16 S70 943 410 BALL VALVE 3/8
1
1
17 S70 591 413 CHARGE PULG
2
2
18 S70 004 408 HEAT EXCHANGER
1
1
19 S70 101 723 COMPRESSOR RUN CAPACITOR 60+
1
20 S70 050 425 CAPILLARY TUBE
[3.2✕[1.8✕800A
1
1
21 S70 300 097 DOME CAP NUT
M8
1
1
1
1
22 S70 001 402 DISCHARGE PRESSURE REGULATOR
HC
C
23 S70 104 290 ANTI PHASE PROTECTOR
1
47
24 S70 652 238 THERMAL SWITCH
1
26C
8
Price
Unit Amount
STRUCTURAL PARTS
PU-3VJC.UK / PU-3YJC.UK
2
1
12
8
5
7
10
3
5
4
14
13
9
6
11
,
Q ty/set
No.
Part No.
Part Name
PU-3
Specification
VJC.UK , YJC.UK
1 S70 020 641 TOP PANEL
2 S70 001 673 SCREW
1
(5✕10)
13
3 S70 001 668 FRONT PANEL
1
4 S70 001 675 FAN GUARD
1
5 S70 A00 655 HANDLE
3
6 S70 001 661 SERVICE PANEL
1
7 S70 030 662 SIDE PANEL
1
8 S70 001 699 LABEL (MITSUBISHI)
1
9 S70 002 699 LABEL (BRAND)
1
10 S70 030 682 REAR PANEL
1
11 S70 020 658 COVER PANEL
1
12 S70 030 698 REAR GUARD
1
13 S70 001 130 MOTOR SUPPORT
1
14 S70 001 686 BASE
1
9
Price
Remarks
(Drawing No.)
Wiring RecomDiagram mended
,
Q ty
Symbol
Unit Amount
10
OPTIONAL PARTS
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
538
7
Unit : mm
524
7 4o{6 hole
524
72
7
537
7
10
HEAD OFFICE MITSUBISHI DENKI BLDG.MARUNOUCHI TOKYO100-8310 TELEX J24532 CABLE MELCO TOKYO
CCopyright 1999 MITSUBISHI ELECTRIC ENGINEERING CO.,LTD.
Issued in Dec. 1999. No. OC202 242
Printed in Japan.
New publication, effective Dec.1999
Specifications subject to change without notice.