TECHNICAL & SERVICE MANUAL
SPLIT-TYPE, COOLING AIR CONDITIONERS
CONTENTS
1. TECHNICAL CHANGE ·························2
2. SPECIFICATIONS·································3
3. DATA ·····················································5
4.
REFRIGERANT SYSTEM DIAGRAM
········7
5. PARTS LIST··········································8
Indoor unit
[
Model name] [Service Ref.]
PC-3GJA
PC-3GJA
2
No. OC208
This service manual describes
only the change points.
Please refer to OC134 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.OC127 REVISED EDITION-A,
OC187 and this manual in a set.
[Service Ref.]
PU-3YJC (OC187)
PU-3VJC (OC187)
PU-3NJA
1
(OC127 REVISED EDITION-A)
INDOOR UNIT
Ceiling Suspended
Series PC
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
CHANGE POINTS PC-3GJA1 PC-3GJA2
OUTDOOR UNIT
TOTAL INPUT (50Hz) 3.30 2.77 (PU-3JB)
COOLING
CAPACITY
(50Hz)
PU-3VJA
2
PU-3YJA3
24600 Btu/h
7200W
25900 Btu/h (PU-3JC)
7600W
25600 Btu/h (PU-3JB)
7500W
PU-3VJC
PU-3VJB
PU-3YJC
PU-3YJB
Differences between the connection with PC-3GJA1
2
SPECIFICATIONS
1. STANDARD SPECIFICATIONS
H
W
D
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)
W
kW
kW
3
/ min(CFM)
m
3
m
/ min(CFM)
dB
mm(in.)
mm(in.)
mm(in.)
kg(lbs)
PC-3GJA
7,600
25,900
7,800
26,600
6,500
22,200
3.30
3.60/4.25 w1/w4
PC-3GJA
Munsell 0.7Y 8.59/0.97
0 (Direct blow)
Remote control & Built-in
210(8-1/4)
1310(51-9/16)
680(26-3/4)
PU-3VJC, PU-3YJC, PU-3NJA
(V) 2.2, (Y) 2.4 / (N) 2.2 2.2
1 PU-3VJB, PU-3YJB
Munsell 5Y 7/1
Capillary tube
870(34-1/4)
295+24(11-5/8 add 1)
850(33-7/16)
2
2
0.07
18-14
635-494
18-14
635-494
43-37
43-37
26 (1)
34(75)
32/38
w5
0.085
50(1765)
50(1765)
52/53
73(161)
Y : Thermal switch, HP switch, LP switch,
Reversed-phase protector,
Thermal relay
Item
Cooling capacity w1
Cooling capacity (SSA) w4
Total input w2
Service Ref.
External finish
Fan motor output
Airflow Hi-Lo
External static pressure
Operation control &Thermostat
Indoor unitOutdoor unit
Noise level high-low
Unit drain pipe I.D.
Dimensions
Weight
Service Ref.
External finish
Refrigerant (R-22) control
Crankcase heater w3
Compressor output
Protection devices
Fan motor output
Airflow
Noise level
Dimensions
Weight
50Hz
60Hz
60Hz
50Hz
60Hz
50Hz
60Hz
50Hz
60Hz
50/60Hz
50/60Hz
50Hz
60Hz
50/60Hz
Notes :
w1 Rating conditions (JIS B8616, GB/T 7725-96) w4 Rating conditions (SSA385, 386)
Indoor : D.B. 27°C, W.B. 19°C Indoor : D.B. 29°C, W.B. 19°C
Outdoor : D.B. 35°C, W.B. 24°C Outdoor : D.B. 46°C, W.B. 24°C
Refrigerant piping length (one way) : 5m (16ft) Refrigerant piping length (one way) : 5m (16ft)
w2 Total input based on indicated voltage w5 V, N : Inner thermostat, HP switch, LP switch.
MODEL
50Hz
60Hz
PC-3GJA2
1ph 220V/1ph 220V, 3ph 380V
1ph 220V/1ph 220V
7,500
25,600
2.77
w3 The capacity of crankcase heater (W) based on 220V
3
4
2. POWER SUPPLY & MODEL NAMES
Power supply
50Hz
1ph.
60Hz 1ph.
3ph.
Indoor unit Service Ref.
220, 230, 240V
220V
380/220, 400/230, 415/240V
380/220V
220V
PC-3GJA
2
Outdoor unit Service Ref.
PU-3VJC
PU-3VJB
PU-3YJC
PU-3YJB
PU-3NJA
1
Power supply (1 Phase) V : 220V 50Hz
Service Ref. PC-3GJA
2
0.51
0.12
1.17
PU-3
V : 230V 50Hz
PC-3GJA
2
0.53
0.13
1.22
PU-3
V : 240V 50Hz
PC-3GJA
2
0.55
0.15
1.27
PU-3
N : 220V 60Hz
PC-3GJA
2
0.70
0.16
1.11
PU-3
Current A
Outdoor unit
Input
Starting current
kW
A
(2). 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)
PC Series Indoor Unit (Single Phase)
Power supply (1 Phase) N : 220V 60Hz
Service Ref. PC-3GJA
2
Current A
Outdoor unit
Input
Starting current
kW
A
0.70
0.16
1.11
PU-3
Notes : 1. Power supply key N
...
1ph, 220V,60Hz Y
...
3ph. 380/220, 400/230, 415/240V,
V
...
1ph, 220, 230, 240V 50Hz 50Hz, 4 wires
2. Primary power supplies for all indoor units are single-phase.
3. ELECTRICAL SPECIFICATIONS
(1). 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)
PC Series Indoor Unit (Single Phase)