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Mitsubishi Electric
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PU-6XJSA
Service Manual
28 pgs3.74 Mb0

Mitsubishi Electric PU-2NJA, PU-2.5NJA, PU-3NJA, PU-4TJSA, PU-5TJSA Service Manual

...
Outdoor unit
SPLIT-TYPE, AIR CONDITIONERS
TECHNICAL & SERVICE MANUAL
Outdoor unit [Model names] [Service Ref.]
PU-2NJA PU-2NJA.TH PU-2.5NJA PU-2.5NJA.TH PU-3NJA PU-3NJA.TH PU-4TJSA PU-4TJSA.TH PU-5TJSA PU-5TJSA.TH PU-5XJSA PU-5XJSA.TH
August 2005
No.OC353
PU-6TJSA PU-6TJSA.TH PU-6XJSA PU-6XJSA.TH
CONTENTS
1.
COMBINATION OF INDOOR AND OUTDOOR UNITS
2. PART NAMES AND FUNCTIONS ··················2
3. DATA ·······························································3
4. OUTLINES AND DIMENSIONS······················5
6. REFRIGERANT SYSTEM DIAGRAM···········11
7. TROUBLESHOOTING ··································12
8. DISASSEMBLY PROCEDURE ·····················16
Model name indication
10. OPTIONAL PARTS ·······································27
···2
1 COMBINATION OF INDOOR AND OUTDOOR UNITS
Air intake
Air outlet (Expels warm air during cooling)
Air intake
Air outlet
Air intake
Air outlet
Air intake
Air outlet
Indoor unit Outdoor unit
Model Service
Manual No.
PL-AK(S)C PL-AK(S)D
PL-KJD OC233 PC-GJ(S)D OC215
OC227
PU-2.TH PU-2.5.TH PU-3.TH PU-4.TH PU-5.TH PU-6.TH
NJA NJA NJA TJSA TJSA XJSA TJSA XJSA
——
——————
PE-EJH(S)A OC131 PE-EJ(S)A OC155 PS-GJ(S
PK-FL(S)D OC232
PK-2GKLD OC228
)
OC143
—— ———— —— —— ———— —————
———————
2 PART NAMES AND FUNCTIONS
●Outdoor Unit
PU-2NJA.TH
PU-2.5NJA.TH PU-3NJA.TH
wUnit of pressure is based on ISO (International Standardization Organization)
[kgf/cm
2
]➝[MPa] (1MPa=10.2kgf/cm2)
PU-4TJSA.TH
PU-5XJSA.TH PU-5TJSA.TH PU-6XJSA.TH PU-6TJSA.TH
2
3 DATA
●JIS B8616
Indoor 27:(80°F)D.B.,19:(66°F)W.B.
Outdoor 35:(115°F)D.B.,24:(75°F)W.B. Power supply N:220V(1phase) 60Hz T:220V(3phase) 60Hz Service Ref PU-2NJA.TH PU-2.5NJA.TH PU-3NJA.TH PU-4TJSA.TH PU-5TJSA.TH PU-6TJSA.TH Current A 11.4 13.4 17.6 12.2 16.83 18.7 Input kW 2.45 2.91 3.44 4.27 5.63 6.15 Starting current A 54 58 80 69 135 140
Power supply X:380V(3phase) 60Hz Service Ref PU-5XJSA.TH PU-6XJSA.TH Current A 8.69 9.35 Input kW 5.12 5.71 Starting current A 64 70
●SSA 385,386
Indoor 29:(84°F)D.B.,19:(66°F)W.B
Outdoor 46:(115°F)D.B.,24:(75°F)W.B. Power supply N:220V(1phase) 60Hz T:220V(3phase) 60Hz Service Ref PU-2NJA.TH PU-2.5NJA.TH PU-3NJA.TH PU-4TJSA.TH PU-5TJSA.TH PU-6TJSA.TH Current A 13.6 15.8 20.9 14.0 19.61 21.45 Input kW 2.97 3.44 4.09 4.97 6.68 7.28 Starting current A 54 58 80 69 135 140
Power supply Service Ref.(inddor unit
)
Model name (Outdoor unit)/Service Ref.
PU-2 PU-2.5 PU-3 PU-4 PU-5 PU-6
60Hz
1ph 220V
PU-2NJA.TH
PU-2.5NJA.TH PU-3NJA.TH — — —
3ph
220V — — — PU-4TJSA.TH PU-5TJSA.TH PU-6TJSA.TH 380/220V — — — — PU-5XJSA.TH PU-6XJSA.TH
Notes:1.Powert supply key
N····1ph, 220V, 60Hz T···· 3ph, 220V, 60Hz X···· 3ph, 380/220V, 60Hz, 4 wires
Compressor
Winding resistance
(")
at20:Outdoor unit
R-C/U-V S-C/V-W W-U Service Ref. NHJ33NBDT 0.92 1.93 — PU-2NJA.TH NHJ38NBDT 0.83 1.83 — PU-2.5NJA.TH NHJ47NADT 0.55 1.24 — PU-3NJA.TH NHJ56TKAT 0.87 0.87 0.87 PU-4TJSA.TH
Compressor
Winding resistance
(")
at20:Outdoor unit
T1-T2 T2-T3 T3-T1 Service Ref.
ZR-61KC-TF5
0.628-0.722 0.628-0.722 0.628-0.722 PU-5TJSA.TH
ZR-61KC-TF7
2.23 2.23 2.23 PU-5XJSA.TH
ZR-68KC-TF5
0.517 0.517 0.517 PU-6TJSA.TH
ZR-68KC-TF7
1.92 1.92 1.92 PU-6XJSA.TH
1. ELECTRICAL SPECIFICATIONS
(1) Rating conditions
2.POWER SUPPLY & MODEL NAMES
3.COMPRESSOR TECHNICAL DATA
3
4. ADDITIONAL REFRIGERANT CHARGE (R-22
Outdoor unit
precharged (kg)
(up to 20m)
Service Ref.
Refrigerant piping length (one way)
PU-2NJA.TH PU-2.5NJA.TH PU-3NJA.TH PU-4TJSA.TH
1.9
2.4
3.5
4.6
20m (66ft) 25m (82ft) 30m (98ft) 35m (115ft) 40m (131ft)
0 0 0 0
0.06 (0.13)
0.06 (0.13)
0.06 (0.13)
0.15 (0.33)
–– –– ––
0.45 (0.99) 0.6 (1.32)
45m (148ft)
– – – –
50m (164ft)
– – – –
0.12 (0.26)
0.12 (0.26)
0.12 (0.26)
0.30 (0.66)
PU-5XJSA.TH
5.1
0 0.15 (0.33) 0.45 (0.99) 0.6 (1.32) 0.75 (1.65) 0.9 (1.98)0.30 (0.66)
PU-5TJSA.TH
5.1
0 0.15 (0.33) 0.45 (0.99) 0.6 (1.32) 0.75 (1.65) 0.9 (1.98)0.30 (0.66)
PU-6XJSA.TH
5.7
0 0.15 (0.33) 0.45 (0.99) 0.6 (1.32) 0.75 (1.65) 0.9 (1.98)0.30 (0.66)
PU-6TJSA.TH
5.7
0 0.15 (0.33) 0.45 (0.99) 0.6 (1.32) 0.75 (1.65) 0.9 (1.98)0.30 (0.66)
……
kg (lbs))
4
4 OUTLINES AND DIMENSIONS
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
77
524
339
282
297
444
650 (25-5/8)
40 60524
Service panel
(Ground terminal)
Refrigerant-pipe flared
connection
[15.88 3/8F
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
R20
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
PU-2NJA.TH
Unit : mm (inch)
5
PU-2.5NJA.TH
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
R20
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
PU-3NJA.TH
Unit : mm (inch)
6
PU-4TJSA.TH
300
Outdoor Unit-necessary surrounding clearance
Note:Allow adequate
upper clearance
10
Front opening
10
1715
185
(7-9/32)
150
500
Service space
500
10
Terminal block for
indoor and outdoor
unit connection
362(14-1/4)
330(13)
39.5 27.5
(Ground terminal)
Terminal block for power line
Service panel
Handle
for moving
Refrigerant-pipe flared
1258(49-1/2)
959
4553
Knock out holes for
60
connection [19.05 3/4F
Refrigerant-pipe flared
connection [9.52 3/8F
Knock out hole
for front piping
403
382
power line 2-[27
120
(refrigerant,drainage
104
Knock out hole
for front piping
and wiring)
57 52
39
R20
R20
(refrigerant,
Bottom
Unit : mm (inch)
Standard bolt length
25 max.
80
65
Front right piping holes-
17
R6
drainage and wiring)
piping hole
2-U-shaped
notched
holes
detail figures
12
Air intake
500(19-11/16)
185
(7-9/32)
Air intake
300
1000For 10 units or less
The upper side must be open.
870(34-1/4)
302
Air outlet
Outlet guide
7 24(1)295(11-5/8)
installation hole
Side air intake
52461
585
Handle for moving
Rear fresh
air intake
345
2-12o23 Oval holes
(standard bolt M10)
83 524
40 60524
Drain hole
33
23
Drain hole
Outdoor Unit-necessary surrounding clearance
(Concentrated installation)
150 10
Handle
for moving
7
Rear piping hole
95
138
PU-5TJSA.TH PU-6TJSA.TH
150 10
1000For 10 units or less
300
Outdoor Unit-Necessary surrounding clearance
(Concentrated installation)
Outdoor Unit-Necessary surrounding clearance
The upper side must be open.
Handle
for moving
138
95
Rear piping hole
23
33
Rear fresh
air intake
Side air intake
7 24(1)345(13-9/16)
Outlet guide
installation hole
352
Air intake
Air intake
Air outlet
970(38-3/16)
185
(7-9/32)
185
(7-9/32)
600(23-5/8)
380(14-31/32)
412(16-1/4)
1715
39.5 27.5
Terminal block for
indoor and outdoor
unit connection
Terminal block for power line
300
10
10
10
Note:Allow adequate
upper clearance
150
500
500
Service space
Handle for moving
52461
585
83 524
345
382
403
959
1258(49-1/2)
90 60524
Service panel
(Ground terminal)
Handle
for moving
Refrigerant-pipe flared
connection [19.05 3/4F
Refrigerant-pipe flared
connection [9.52 3/8F
Knock out hole
for front piping
(refrigerant,drainage
and wiring)
Knock out hole
for right piping
(refrigerant,
drainage and wiring)
R
20
R20
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
52
57
12
R6
104
39
Bottom
piping hole
2-U-shaped
notched
holes
Drain hole
Drain hole
2-12o23 Oval holes
(standard bolt M10)
Front opening
PU-5XJSA.TH PU-6XJSA.TH
Unit : mm (inch)
8
5 WIRING DIAGRAM
WHT
BLU BRN
YLW
WHT
49F4
MF4
MF3
MC
BLU RED
ORN
4 2 1 3
WHT
YLW
YLW
GRY
GRY
C
HC
9695
47
51C
52C
13
32
31
14
63L
26C
63H
A1
A2
A
WHT
REDTB3
1
1
2
2
BP1 P3P3
X17
X6
X6
X17X14
X14
CP
P2
52C 52C
52C
52 C
F3
(5A)
WHT
WHT
BRN
VLT
VLT
GRY
GRY
RED
ORN
YLW
WHT
BLU RED
ORN
WHT
BLU
BLU
C3
C4
RED
WHT
BLK
GRY
RED
WHT
BLU
RED
TB1
TB1
26C 47 49F3,4 51C 52C 63H 63L CP C3,4 F3 HC MC MF3,4
POWER SUPPLY TERMINAL BLOCK
LINE TERMINAL BLOCK
TB3 INDOOR/OUTDOOR CONNECTING
THERMAL SWITCH ANTI-PHASE PROTECTOR FAN MOTOR INTERNAL THERMOSTAT THERMAL RELAY COMPRESSOR CONTACTOR HIGH PRESSURE SWITCH LOW PRESSURE SWITCH COMPRESSOR PROTECTOR FAN MOTOR CAPACITOR FUSE(5A) CRANKCASE HEATER COMPRESSOR FAN MOTOR
NOTES:1.THE DOTTED LINES SHOW FIELD WIRING.
2. TO INDOOR UNIT TERMINAL BLOCK.
POWER SUPPLY 3~ 220V 60Hz
L1
L2
L3
GRN/ YLW
T3/6
T2/4
T1/2
L3/5
RST
47
L2/3
L1/1
51C
52C
WHT
49F3
BLU RED
ORN
4
U
2 1 3
V
W
A
PU-2NJA.TH PU-2.5NJA.TH
POWER SUPPLY ~/N 220V 60z
PU-3NJA.TH
TB3
POWER SUPPLY ~/N 220V 60Hz
TB3
TB1
RED
1 2
WHT
N
L
(5A)
RED 1
2
WHT
F3
TB1
L
N
F3
(5A)
GRN/YLW
RED
YLW
A
1 2
GRY
P1
P1
X6
L1/1
L3/5
HC
22 21
13 14
GRY
52C
X6
X6
52C
L1/1
T1/2
WHT
P3 P3
T1/2
T3/6
GRY
BLUT3/6
C3
63L
WHT
WHT
GRY
P2
X17
CP
BLU
WHT
C3
63L
WHT
WHT
P2
CP
X17
L3/5
63H
GRY
52C
52C
X6
52C
63H
52C
VLT
VLT
52C
P3 P3
RED
BLU
GRN/YLW
BLU
RED
A1
52
C
A2
YLW
ORN
A
B
X14
1
X17X14
2
WHT
BLU
BLU
GRY
52C
A1
52
C
A2
ORN
B
X14
X17X14
WHT ORN
BLU
BLU RED
WHT
49C
C
C
S
RED
R
BLU
WHT
3
ORN
1
REDRED
2
BLU
4
BLU
C
RED
BLU
4
RED
2
ORNORN
1 3
WHT
S
C 49C
49F3
R
MC
MF3
MC
MF3
49F3
C
COMPRESSOR RUN CAPACITOR
CP
COMPRESSOR PROTECTOR
C3
FAN MOTOR CAPACITOR
F3
FUSE(5A)
MC
COMPRESSOR
MF3
FAN MOTOR
TB1
POWER SUPPLY TERMINAL BLOCK
TB3
INDOOR/OUTDOOR CONNECTING LINE TERMINAL BLOCK
49C
COMPRESSOR INTERNAL THERMOSTAT
49F3
FAN MOTOR INTERNAL THERMOSTAT
52C
COMPRESSOR CONTACTOR
63H
HIGH PRESSURE SWITCH
63L
LOW PRESSURE SWITCH
NOTES:1.THE DOTTED LINES SHOW FIELD WIRING.
2. TO INDOOR UNIT TERMINAL BLOCK.
C
COMPRESSOR RUN CAPACITOR
CP
COMPRESSOR PROTECTOR
C3
FAN MOTOR CAPACITOR
F3
FUSE(5A)
HC
CRANKCASE HEATER
MC
COMPRESSOR
MF3
FAN MOTOR
TB1
POWER SUPPLY TERMINAL BLOCK
TB3
INDOOR/OUTDOOR CONNECTING LINE TERMINAL BLOCK
49C
COMPRESSOR INTERNAL THERMOSTAT
49F3
FAN MOTOR INTERNAL THERMOSTAT
52C
COMPRESSOR CONTACTOR
63H
HIGH PRESSURE SWITCH
63L LOW PRESSURE SWITCH NOTES:1.THE DOTTED LINES SHOW FIELD WIRING.
2. TO INDOOR UNIT TERMINAL BLOCK.
PU-4TJSA.TH
9
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