'11 • SCM-SM-110
Model SCM125ZJ-S1
L
N
RD RD
WH
30A 250V
Y/G
TB3
TB4
TB5
TB6
TB7 TB8
RD
WH
TB3
TB4
TB5
TB6
TB7
RD
WH
2
㨪
AC
3
㨪
+1
-4
RD
BL
P1
N1
12
43
P2
N2
RD
BL
+
-
L1 L2
CNACT
P
N2
㧔BK㧕
RD RD
BL BL
CNACT1
P3
N3
BL
RD
RD
U
WH
V
BL
W
U
V
W
MS
3㨪
CNI2
CNI4
CNI1
CNI3
CNA2
CNA1
BL
4
BL
3
Y/G
Y/G
Y/G
RD
WH
RD
WH
L-IN N-IN
CNTRI
CNTRO
CNS2
CNX2
G
WH
RD
BK
WH
BK
WH
Y/G
CNA
CNB
CNC
CND
CNE
CNF
CN
EEV1
CN
EEV2
CN
EEV3
CN
EEV4
4
+
55 55 5 5
BK
1
2
3
WH
RD
BK
WH
BR
BK
WH
BL
BK
WH
Y
BK
WH
OR
BK
WH
PK
CNW
CNS1
CNX1
CNTH CNP1
22222
UNIT A
UNIT B
UNIT C
UNIT D
UNIT E
UNIT F
2
2
5555 55
BLRDWH GN BK Y
㧔WH㧕
㧔WH㧕
㧔WH㧕
㧔WH㧕
㧔WH㧕
㧔WH㧕㧔WH㧕㧔WH㧕㧔WH㧕
㧔Y㧕
㧔BK㧕
㧔WH㧕
㧔WH㧕
㧔BK㧕
㧔Y㧕
㧔BK㧕
㧔WH㧕
㧔GN㧕
㧔WH㧕
㧔WH㧕
CN
EEV1
5
M
㧔RD㧕
M
5
CNL1
㧔BL㧕
CN
FAN1
㧔WH㧕
3
CNR1
㧔WH㧕
2
CNN1
㧔RD㧕
2
POWER SOURCE
㨪 220/230/240V
50Hz
3
BK
BK
BK
Y
BK
BR
BL
㧔WH㧕
MMMMMM
LED1
LED2 LED3
CHECKER PC
CNE
※
CNV
※
㧔WH㧕
1
2
3
1
2
3
1
2
3
1
2
3
1
2
3
1.Instructions for correct operation
٧
Before you turn on power,please carefully read the installation
ޓ
manual and the operation manual supplied with the unit.
٧
Please check the following points before operation.
Ԙ
This unit is designed exclusively for use with R410A. Do not use ޓޓ
ޓ
any refrigerant other than R410A.
ԙ
To protect the compressor,turn on power for the air conditioner
ޓ
6 hours before operation so as warm up sufficiently the dome
ޓ
temperature of compressor.
Ԛ
Open the service valves of liquid pipe at first. Secondarily open
ޓ
the one of gas pipe. Before you operate the unit,make sure again
ޓ
that the service valves are in open position.
ԛ
Please note that the pressure valves detected at the charge port
ޓ
in the unit and the gas service valves are different during the
ޓ
cooling operation and the heating operation. High pressure is
ޓ
replaced with the low pressure depending on whether it is in the
ޓ
cooling or heating operation.
2.Error indication
t°
t°
t°
t°
t°
TB1
TB2
PWB5
NOISE
PWB3
CT1
DS
L
A㧛F
PWB2
INV PWB
IPM
30A 600V
CM
PWB1
CONTROL PWB
PWB4
SUB PWB
C1
EEV
A
EEV
B
EEV
C
EEV
D
EEV
E
EEV
F
Tho-R
Tho-D
Tho-S
Tho-A
Tho-AF
TR
FILTER
NOISE
FILTER
F
1
EEV-H
HPS CH 20S
FM
MODULE
TB3
4A
250V
F
2
CH Crankcase heater
HPS
CM
DS
EEV
Compressor motor
Diode stack
Electronic expansion coil
EEV-H
Electronic expansion coil㧔For heating㧕
FM Fan motor
CT Current sensor
High pressure sensor
F Fuse
Tho-A
Thermistor㧔outdoor air temperature㧕
Mark Name
CNA㨪Z
Tho-D Thermistor㧔discharge pipe㧕
Tho-R
Thermistor㧔heat exchanger㧕
Tho-S Thermistor㧔suction pipe㧕
Tho-AF
Thermistor㧔power transistor㧕
20S 4-way valve coil
IPM
Intelligent power module
LED1
Indicator lamp㧔Red-Inspection indicator㧕
LED2
Indicator lamp㧔Green-Microcomputer normality indicator㧕
LED3 Indicator lamp㧔Green-For service㧕
TR Trance former
TB Terminal block
L Reactor
Connector
A/F MODULE
Active filter module
LED E 㧔1㧕 RED WARNING LAMP
INDICATION LAMP COLOR FUNCTION
SELF DIAGNOSIS FUNCTION BY LED E
1 TIME FLASH
2 TIME FLASH
CURRENT CUT
TROUBLE OF OUTDOOR UNIT
FOUR SEC LIGHT
3 TIME FLASH
5 TIME FLASH
6 TIME FLASH
OVER CURRENT
OVER HEAT OF COMPRESSOR
ERROR OF SIGNAL TRANSMISSION
DISCHARGE PIPE SENSOR ERRORAND
FOUR SEC OFF
8 TIME FLASH SENSOR ERROR
㧔EXCEPT DISCHARGE PIPE SENSOR㧕
LIGHT ON OUTDOOR FAN MOTOR ERROR
4 TIME FLASH TRANSMISSION ERROR
Color
RD
Mark
Yellow㧛Green
Y㧛G
BlackBK
BlueBL
BrownBR
YellowY
WhiteWH
Red
OrangeOR
PinkPK
GreenGN
RWC000Z244
※
used only at our factory
-
141
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