Mitsubishi SCM45ZA - Electrical Data and Wiring; Electrical Wiring Diagrams

203
RD
WH
BK
JR
F (250V · 3.15A)
Power line
(Outdoor unit)
Black
Blue
Gray
Yellow
Red
White
Purple
Yellow/Green
BK
BL
GR
Y
RD
WH
PP
Y/GN
Color symbol
S
ZNR
CF
I
CNC CNB
TR
FMI
Q
CNM
CNE CND CNG
Display
Wireless
R-Amp
Back up
switch
Printed circuit board
ThI-AThI-R
FMI
SM
COM
CNU
CF
BL
RD RD BK BK
CNW
GR
PP
Y
WH
RD
1
2
Y/GN
3
CM
FM
0
L
DS
EEVA, B
20S
Parts name
Compressor motor
Fan motor
Reactor
Diode stack
Electric expansion valve
4 way valve (coil)
Symbol
Tho-A
Tho-R
Tho-D
LED2
LED1, 3
Parts name
Thermistor (outdoor air temp.)
Thermistor (outdoor H.X temp.)
Thermistor (comp. dome temp.)
Warning lamp (Red)
Serial signal lamp (Green)
Symbol
• Indoor Unit
FM I
CF I
SM
TR
ZNR
Parts name
Fan motor
Capacitor (for FM
I )
Flap motor
Transformer
Varistor
Symbol
Q
F
Th
I -A
Th
I -R
Parts name
Fan motor control triac
Fuse
Thermistor (Room temp.)
Thermistor (Indoor H. X temp.)
Symbol
6.3 ELECTRICAL DATA
Meaning of marks
• Outdoor Unit
6.3.1 Electrical wiring
(1) Indoor unit
Models SKM22ZA, 25ZA, 28ZA, 32ZA, 40ZA