-
1
16
-
'10 • SCM-SM-094
3.
ELECTRICAL
WIRINGS
3.1
Outdoor units
Models SCM40ZJ-S,
45ZJ-S
Color Marks
Mark
Color
Mark
Color
Item
Meaning of Marks
Description
Item
Description
BK
BR
Black
Brown
RD
Y
/
G
Red
Yellow
/
Green
WH
White
OR
Orange
CNA-CN20S
EEV A,EEV B
R
Compressor motor
Electric expansion valve
(
coil
)
Reactor
Th2
Th3
Heat exchanger sensor
Outdoor air temp. sensor
Discharge pipe temp. sensor
CM
Th1
Connector
20S
4 Way valve
(
coil
)
Suction pipe temp. sensor
Th4
FMo
Fan motor
Terminal block
TB1-TB3
(
outdoor unit
)
HEATER
Crank case heater
Function
Color
Indication lamp
Warning lamp
Red
Led e
(
1
)
Self diagnosis function by led e
1 Time flash
Current cut
2 Time flash
Trouble of outdoor unit
3 Time flash
Over current
4 Time flash
Transmission error
5 Time flash
Over heat of compressor
6 Time flash
Error of signal transmission
7 Time flash
Lock of compressor
8 Time flash
Sensor error
(
Except discharge pipe sensor
)
Four sec light
and
Discharge pipe sensor error
four sec off
Caution
・
When the compressor does not run Immediately after
hitting on the button,wait for 5 to 10 minutes.
(
There is
possibility of delayed start.
)
・
High voltage is produced in the control box. don't touch
electrical parts in the control box for 5 minutes after
cutting power supply.
Light on
Outdoor fan motor error
WIRING DIAGRAM
EEV
S
BK
WH
RD
V
W
U
FM0
CM
R
CNTH
CNFAN
S-2
BK
WH
WH
S-1
CNSUB
CNMAIN
S
R
BK
WH
IN
IN
S
R
O
O
250V 15A
FUSE
CN20S
G2
Y
/
G
C-2
RD
C-1
CN20V
CN20V
5
2
G1
Y
/
G
G
Y
/
G
CNEEV1
CNTH
TB2
CNA
CNB
TB1
N
L
A
EEV
B
Y
/
G
WH
BK
UNIT A
UNIT B
M
3
~
M
M
M
POWER
SUPPLY
WH
RD
PWB 2
(
SUB
)
PWB 1
(
MAIN
)
20S
HEATER
WH
RD
CNHEAT
T2
T1
R
OR
YE
3
2
1 BK
WH
RD
3
2
1 BK
WH
BR
TB3
2
2
2
t
゜
t
゜
t
゜
t
゜
2
TH4
TH1
TH2
TH3
YE
Yellow
R
W
C
0
0
0
Z
2
3
2
a
Содержание SRR60ZJ-S
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