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[ I Electrical Wiring Diagram ]
I Electrical Wiring Diagram
[1] Electrical Wiring Diagram
TB1
R
Power source
200V 3 phase
S
50/60Hz
T
Connecting to the
indoor unit, remote
controller
E
Controller
box plate
E
T
S
CN20
1
3
5
(7P)
F2
6A
DSA
Unit plate
CN32
(3P)
X01
CH1
3
2
1
CN33
(6P)
6
5
4
X02
3
SV
1
2
1
CN34
(6P)
6
5
Red
4
X04
3
21
S4
2
X05
1
SV
2
SSR
CN35
CH2
(3P)
3
2
Red
1
CH3
CNFAN1
(5P)
5
4
MF
3
Red
2
1
CN38
63H
(3P)
3
2
Green
1
Detection
Green
circuit
CN09
(2P)
Symbol
Name
TB1
Terminal block for power supply
TB3
Terminal block for transmission line (For indoor series)
TB7
Terminal block for transmission line (For centralized administration)
E
Earth terminal
DCCT
DC Current Sensor (Direct Current)
R1
Resistance of rush current prevention
R2
Bleeder resistance
<Operation of SW1 (Self-diagnose switch) on Control Board and Displayed Contents on LD1>
Contents
Operation of SW1
Display of Relay
output 1 (Light ON)
ON
OFF
Display of Check 1
1 2 3 4
5
6 7
8 9 10
(Blink)
Factory default
*For more contents displayed on LD1 with other switch settings, see LED monitor display on the outdoor board.
DS (Diode stack)
FN1
Red
+
Blue
-
TB3
TB7
A
B
A
B
R
Centralized power supply
7
1
2
1
2
3
1 2 3 4
CNS1
CNS2
F1
(2P)
(3P)
6A
CN40
(4P)
ZNR1~4
1
2
3
4
Control board
CN41
(MAIN PKG)
(4P)
LD1
OFF
ON
OFF ON
OFF ON
OFF ON
1
1
1
1
4
10
10
10
10
SW4
SW3
SW2
SW1
SWU2
SWU1
Ones digit
Tens digit
Unit address setting switch
Red
Red
Red
CN06
CN05
CN03
CN02
(2P)
(4P)
(3P)
(8P)
1
2
1
2
1
2
3
4
1
2
3
1
2
3
4
5
6 7
TH10
TH9
TH4 TH3
TH6
TH5 TH8 TH7 TH2
Symbol
C1
Main capacitor (smooth)
52C
Electro-magnetic contactor (Inverter main circuit)
MC
Motor for compressor
MF
Motor Fan (Heat exchanger)
MF1
Motor Fan (Radiator plate)
CH1
Crank case heater (Compressor)
CH2,CH3
Code heater (Liquid level detection of accumulator)
21S4
Four-way valve
SV1,SV2
Solenoid valve (Discharge-suction bypass)
Displayed contents when LD1 is lit (blink)
Flag 1
Flag 2
Flag 3
Flag 4
Compressor
Crank case
21S4
SV1
in operation
heater
Error code display
The error address and the error code are displayed alternately.
Example: Error address 51, Discharge temp. error (Error code 1102)
POWER-BOARD
R1
FN3
FN6
DCL
+
C1
FN2
FN4
52C
1 2 3 4
DCCT
Shield
0
1
CNRS3
2
(7P)
3
4
5
6
7
1
CNVCC3
2
(6P)
3
4
5
6
*1
CNVCC5
1
2
(2P)
E
1
CNAC3
2
(5P)
T
3
4
R
5
1
CNLV1
2
(5P)
3
SLEV
Blue
4
5
1
CNLV2
2
(5P)
3
LEV1
4
Red
5
Abnormal output
5
4
Compressor ON/OFF output
3
CN51
2
(5P)
1
12V
3
Demand input
2
Night mode input
Black
1
CN3D
CN01
CNL
CNH
(3P)
3
(2P)
(3P)
(3P)
2
Snow sensor input
8
1
2
1
2
3
1
2
3
1
CN3S
(3P)
Red
3
2
1
3
2
1
TH1
63LS
63HS
Name
Symbol
63H
High pressure switch
TH1
Thermistor (Discharge piping temp. detection)
TH2
Thermistor (Saturation evaporation temp. detection)
TH3
Thermistor (Liquid level detection of accumulator, lower)
TH4
Thermistor (Liquid level detection of accumulator, upper)
TH5
Thermistor (Piping temp. detection)
TH6
Thermistor (OA temp. detection)
TH7
Thermistor (Liquid outlet temp. detection at Sub-Cool coil)
TH8
Thermistor (Liquid outlet temp. detection at Sub-Cool coil bypass)
Flag 5
Flag 6
Flag 7
Flag 8
Always
Flag 8 stays lit while power supply
SV2
Light ON
of the microcomputer is turned on.
<Display of LD1>
- 2 -
MC
U
W
V
Red
White
Blue
IPM
P
U
V
W
Red
Gate amp board
(G/A PKG)
F01
3A
N
Blue
CNDR1
CN15V1
(9P)
(14P)
Yellow
CNDC1
1 2 3
1234 6 7
5
89
1234 67
5 89 11 12
10
(3P)
1 2 3 4
1 2 3
1234 67
5
89
12
3
4 67
5 89
10
1112
CNCT
CNDC2
CNDR2
CN15V2
1
(4P)
(3P)
(9P)
(14P)
52
1
C
Yellow
2
CN52C
3
(3P)
INV board
(INV PKG)
1
2
3
CNRS2
4
(7P)
5
Operation
LED1
6
7
Error
LED2
1
LED3
Charge
2
3
CNVCC2
4
(6P)
5
1
4
6
ON
OFF
CNVCC4
1
SW1
2
(2P)
E
1
CNAC2
2
T
(5P)
3
4
R
5
F01
2A
Red
Green
Red
CNTH
CNL2
CN30V
CNFAN
(2P)
(2P)
(2P)
(3P)
1
2
1 2
1 2
1 2
3
THHS
L2
R2
MF
1
Model
SW3-10
P200
OFF
P250
ON
Note: Refer to the list shown above for switch settings.
*1 part might not exist.
Name
Symbol
TH9
TH10
THHS
63HS
63LS
SLEV
LEV1
L2
Remarks
LD1
1314
1314
Name
Thermistor (Liquid temp. detection at CS circuit)
Thermistor (Shell temp. detection at compressor)
Thermistor (Radiator plate)
High pressure sensor
Low pressure sensor
Electronic expansion valve (Oil return)
Electronic expansion valve (SC coil)
Choke coil (Transmission)
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