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3. ELECTRICAL DATA
GR480R7TAA
Terminal
Plate (8P)
-1
-2
-3
-4
-5
L1
-6
L2
-7
L3
-8
N
CT
52C
T2
T1
T3
CM
L2
L3 N
Symbols
CM
Compressor Motor
FMO1,2
Outdoor Fan Motor
52C
Compressor Motor Magnetic Contactor
49FO1,2
Outdoor Fan Motor Thermal Protector
63PH
High Pressure Switch
CT
Current Transmitter
RC2,3
Running Capacitor
TR
Power Transformer
CH
Crank Case Heater
20S
Four Way Valve
F1,2
Fuse
TH6
Thermistor (Outdoor Coil C1)
TH7
Thermistor (Outdoor Coil C2)
TH8
Thermistor (Discharge Gas)
• Schematic Diagram
L1 F1(3.15A)
RY1
RY3
RY4
H
LL
20S
3
5
3
2
52C
1
5
6
7
5
6
7
H
M
L
H
M
L
20S
FMO1
FMO2
CH
52C
2
1
2
1
2
1
RC2
RC3
1
1
F2(3.15A)
Description
– 62 –
63PH
1
RY2
63PH
3
7
3
49
52C
FO
3
49FO1
4
20S
RY1
3
RY2
52C
49FO2
RY3
FM1
4
RY4
FM2
9
DC12V
49
C
1
Symbols
Description
CR-C253GH
Outdoor Controller
RY1~4
Auxiliary Relay
Terminal Plate
Terminal
Connector
CR-C253GH
Controller
2P-1
2P-2
1
CN2
2
1
RS
AC 230V
3
TR
2
VCC
AC 14V
1
TH6
Outdoor
1
Coil C1
2
TH7
1
Outdoor
Coil C2
2
TH8
1
Discharge
gas
2
1
CT1
3
N L3 L2
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