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[ I Electrical Wiring Diagram ]
I Electrical Wiring Diagram
[1] Electrical Wiring Diagram
TB1
R
Power source
S
200V 3 phase
T
50/60Hz
Connecting to
the indoor unit,
remote controller
E
E
Controller
box plate
CN20
(7P)
1
DSA
Unit plate
CH1
3
CN32
(3P)
2
1
6
CN33
5
(6P)
4
3
SV
1
2
1
SV
3
6
CN34
(6P)
5
Red
4
3
21
S4
2
1
SV
2
SSR
CH2
3
CN35
(3P)
2
Red
1
CH3
1
CN36
(9P)
2
3
4
5
SV
4
6
7
SV
5
8
9
SV
6
CNFAN1
(5P)
5
Red
4
MF
3
2
1
63H
3
CN38
(3P)
2
Green
1
Detection
circuit
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
DS (Diode stack)
FN1
Red
~
+
~
Blue
~
-
TB3
TB7
A
B
T
S
R
Centralized power supply
3
5
7
1
2
1
2
3
4
CNS1
F2
F1
6A
6A
(2P)
CN40
(4P)
ZNR1~4
1
2
3
4
CN41
(4P)
X01
X02
X03
X04
X05
X06
X07
X08
Red
Red
CN05
CN03
CN02
(4P)
(3P)
(8P)
1
2
3
4
1
2
3
1
2
3
TH4 TH3
TH6
TH5
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
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
Error address and the error code are displayed alternately
Example: Error address 51, Discharge temp. error (Error Code 1102)
POWER-BOARD
R1
FN3
FN6
2
4
6
8
10
12
14
16
52C
FN2
FN4
A
B
Shield
1
2
3
CNS2
(3P)
Control board
(MAIN PKG)
CNRS3
(7P)
CNVCC3
(6P)
CNVCC5
(2P)
CNAC3
(5P)
CNLV1
(5P)
Blue
12V
CN01
CNL
CNH
(2P)
(3P)
(3P)
4
5
6
7
8
1
2
1
2
3
1
2
3
3 2 1
3
2
1
TH7
TH1
63LS
63HS
Name
Symbol
SV1,SV2
Solenoid valve (Discharge-suction bypass)
SV3~SV6
Solenoid valve (Heat exchanger capacity control)
63H
High pressure switch
TH1
Thermistor (Discharge pipe 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)
Flag 5
Flag 6
Flag 7
Flag 8
Always
Flag 8 stays lit while power supply
SV2
SV3
SV4
Light ON
of the microcomputer is turned on
- 2 -
IPM
P
Red
Gate amp board
DCL
+
F01
C1
3A
N
Blue
CNDR1
(9P)
1 2 3
4
Yellow
CNDC1
1 2 3
1
2
3
(3P)
DCCT
1 2 3
4
1
2
3
1
2
3
CNCT
CNDC2
CNDR2
0
1
(4P)
(3P)
(9P)
52
1
C
Yellow
2
CN52C
3
(3P)
1
1
2
2
3
3
CNRS2
4
4
(7P)
5
5
6
6
7
7
1
1
2
2
3
3
CNVCC2
4
4
(6P)
5
5
6
6
1
1
CNVCC4
2
2
(2P)
E
E
1
1
2
T
T
2
CNAC2
3
3
(5P)
R
R
4
4
5
5
F01
2A
1
2
3
SLEV
4
5
Green
CNTH
CNL2
(2P)
(2P)
1 2
1 2
Abnormal output
THHS
L2
5
4
Compressor ON/OFF output
3
CN51
2
1
(5P)
3
Demand input
2
Night mode input
1
CN3D
(3P)
3
2
Snow sensor input
1
CN3S
(3P)
Red
Note:SW3-10 is OFF For 200 models
Name
Symbol
TH7
THHS
63HS
63LS
SLEV
L2
Remarks
<Display of LD1>
LD1
MC
U
W
V
Red
White
Blue
U
V
W
(G/A PKG)
CN15V1
(14P)
4
5 6 789
2 1
3
4
567891011121314
4
5 6 789
2 1
3
4
567891011121314
CN15V2
(14P)
INV board
(INV PKG)
Operation
LED1
Error
LED2
Charge
LED3
Red
Red
CN30V
CNFAN
(2P)
(3P)
1 2
1
2
3
R2
MF
1
ON For 250 models.
Name
Thermistor (Piping temp. detection)
Thermistor (Radiator plate)
High pressure sensor
Low pressure sensor
Electronic expansion valve (Oil return)
Choke coil (Transmission)
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