Mitsubishi Heavy Industries FDTC50ZHXV Technical Manual page 155

Power source
1~220-240V 50Hz/1~220V 60Hz
TB
F(20A)
RD
L1
WH
N
Y/GN
T2 T1 T8 T9
Y/GN F6(5A)
T4
RD
T5
Noise flter
PWB3
WH
CNO2
T6
T13
(WH)
T21 T22 CNO1
(WH)
Inverter
T24
PWB2
I P M
L
T25
U V W T26 T27
V W +
U MS
C1
3~
CM
Meaning of marks
Mark Parts mame
Connector
CnA~Z
CH Crankcase heater
CM Compressor motor
Fuse
F
Fan motor
FM01
Intelligent power module
IPM
L Reactor
LED1 Indication lamp (GREEN)
LED2 Indication lamp (RED)
TB
OR
1
GN
2
3
T10
T11
3 1 1 3
CNW CNW2
BK
(OR)
CNG1 (WH)
CNG2
(BK)
(BK)
BL
Control
CNI1
CNI2
(WH)
PWB1
(WH)
BL
CNI3
CNI4
(WH)
(WH)
52X1 52X3
52X4
RD
CNA1
BL
(WH)
RD
CNA2
BL CNR CNS CNN CNH
(WH)
(WH) (RD) (Y) (P)
CH 20S SV1
63H1 THo-R1
Mark Parts mame
Low pressure sensor
LPT
SM1 Expansion valve for cooling
SM2 Expansion valve for heating
Solenoid valve
SV1
Pump down switch
SW9
Local setting switch
SW3, 5, 7, 8
TB Terminal block
THo-A Thermistor (Ambient air temp.)
THo-D Thermistor (Discharge pipe temp.)
To indoor unit
Power wire
1 2
Signal wire
3
SM2 SM1 FMO1
M M M
6 5 4 3 2 1 6 5 4 3 2 1 7 6 5 4 1
CNEEV2 CNEEV1 CNFAN1
(RD) (WH) (WH)
CNO1
(WH)
LED1 LED2
CNO2
(BK)
CNTH CNIP CNPS CNB
(WH) (Y) (WH) (RD)
t° t° t° t° t° t°
LPT
THo-D THo-S THo-A THo-IPM THo-R2
Mark Parts mame
Thermistor (IPM)
THo-IPM
THo-R1, 2 Thermistor (Heat exchanger pipe temp. )
THo-S Thermistor (Suction pipe temp.)
Solenoid valve for 4 way valve
20S
Auxilliary relay (for CH)
52X1
Auxilliary relay (for 20S)
52X3
52X4 Auxilliary relay (for SV1)
63H1 High pressure switch
ON ON
BK
1 2 3 4 1 2 3
SW9
CNO1
SW5 SW8
(WH)
ON ON
BK
1 2 3 4 1 2 3
CNO2
SW3 SW7
(BK)
Color marks
Mark Color
BK Black
BL Blue
Brown
BR
Gray
GR
P Pink
OR Orange
RD Red
White
WH
Yellow
Y
Y/GN Yellow/Green