-
10
-
'17 • SCM-T-225
BK RDBlack Red
BL WHBlue White
BR Brown Yellow
GN Green
OR Orange
YG Yellow／Green
YE
EEV A,EEV B
L
Compressor motor
Electric expansion valve
Reactor
TH2（Tho-A）
TH3（Tho-D）
Heat exchanger sensor
Outdoor air temp. sensor
Discharge pipe temp. sensor
CM
TH1
Connector
20S 4-way valve（coil）
Suction pipe temp. sensor
TH4（Tho-S）
FMo Fan motor
（outdoor unit）
（Tho-R）
CN20V
CNSUB
CNFAN
CNA
CNC
CNEEV1
CNMAIN
CNTH
CN20S
CNHEAT
EEV C,EEV D
HEATER Crank case heater
TB1～5 Terminal block
CNEEV2
CNB
CND
EEV
S-1
BK
WH
RD
V
W
U
FMo
R-1
CNTH
CNFAN
S-2
BK
WH
WH
S-1
CNSUB
CNMAIN
S
R
BK
WH
IN
IN
S
R
O
O
250V 20A
F4 FUSE
2 2 2
G2
YG
C-2
RD
C-1
CN20V
3
2
G1
YG
CNEEV1
CNEEV2
TB2
CNA
CNB
CNC
CND
TB1
N
L
A
EEV
B
EEV
C
EEV
D
TB3
TB4
TB5
3
1
3
1
3
1
3
2／N
1
YG
WH
BK
BK
WH
RD
YG
BK
WH
BL
YG
BK
WH
YE
YG
BK
WH
BR
YG
UNIT A
UNIT B
UNIT C
UNIT D
M
3～
M
M
M
M
M
YG
Power
supply
WH
RD BL
GN
PWB 2（SUB）
PWB 1（MAIN）
t゜
t゜
t゜
T2
T1
L
YE
YE
TH1 TH2 TH3
2
t゜
TH4
T12
T11
L
BL
BL
2／N
2／N
2／N
CN20S
CNHEAT
20S
HEATER
WH
RD
2
2
（coil）
CM
To indoor unit
Power cable
Signal wire
Earth wire
1
3
T 1A L 250V
F3 FUSE
4444
3
SCM71ZM-S1
Model name
2.5mm x 3 12 1.5mm x 420.0
2
2
[ ]
2
N
Power cable, indoor-outdoor connecting wires
Switchgear or circuit breaker capacity should be chosen according to national or regional electricity
The power cable specifications are based on the assumption that a metal or plastic conduit is used
with no more than three cables contained in a conduit and a voltage drop is 2％. For an installation
falling outside of these conditions, please follow the national or regional electricity regulations.
The wire numbers include earth wire（Yellow／Green）
*
regulations.
SCM80ZM-S1
Color marks
Mark Color Mark Color
Meaning of marks
Item Description
Item Description
MAX running current Power cable
wire size x number*（A）
Power cable length
（m）
Connecting cable
wire size x number*
Power source
1 Phase
220-240V 50Hz
220V 60Hz
1.3 Electrical wiring
Models SCM71ZM-S1, 80ZM-S1
RWC000Z303
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