Mitsubishi Heavy Industries FDTC50ZHXV Technical Manual page 157

Power source
3N~380-415V 50Hz
TB
RD
L1
WH
L2
BL
L3
BK
N
TB CNW
To indoor unit
(BK)
RD
1
BK
Power wires 2
CNW2
1 2
BL
3 (OR)
Signal wire
3
52X1
52X6
BK
CNH
BK
(BR)
CNR
(WH)
63H1
CH
Meaning of marks
Mark Parts name
Connector
CnA~Z
CH Crankcase heater
CM Compressor motor
CT Current sensor
Diode module
DM
Fuse
F
FM01 Fan motor
IPM Intelligent power module
L Reactor
RD
L1i L1o
WH
L2i F(8A) L2o
BL
L3i L3o
CT
BK
Ni No
Noise filter
CN1
PWB3
CN2-1
T12 GN
R1
U
R2
THo-IPM THo-R2 THo-A THo-S THo-D THo-R1
t° t° t° t° t° t° 52C LPT
CNIP CNB CNTH CNM CNPS
(Y) (RD) (WH) (GR) (WH) 18V
CNI 3
15V
Control
PWB1
CNI1
(WH)
52X3
CNA1
1 2 3 4 1 2 3 4
(WH)
LED1 LED2 SW1
SW3 SW5
CNA2
CNS CNEEV1 CNEEV2
CNFAN1 (WH)
(RD) (WH) (RD) (WH)
1 2 3 4 5 6 1 2 3 4 5 6
1 4 5 6 7
20S
M M M
SM1 SM2 FMo1
Mark Parts name
Indication lamp (GREEN)
LED1
LED2 Indication lamp (RED)
LPT Low pressure sensor
SM1 Expansion valve for cooling
Expansion valve for heating
SM2
Pump down switch
SW1
SW3, 5 Local setting switch
TB Terminal block
THo-A Thermistor (Ambient air temp.)
1 3
52C
2 4
AC1 AC2 AC3
GN
G
RD
DM
R5
BK
K
+4 -6
L
RD RD RD
+ P
R3 C1
WH
+
R4 C2
BL BL
N
RD
BL
RD
BK
BL
RD
RD
BL
BL
RD
BL
Mark Parts name
Thermistor (Discharger pipe temp.)
THo-D
THo-IPM Thermistor (IPM)
Thermistor (Heat exchanger pipe temp. )
THo-R1, 2
Thermistor (Suction pipe temp.)
THo-S
Solenoid valve for 4 way valve
20S
Auxilliary relay (for CH)
52X1
52X3 Auxilliary relay (for 20S)
52X6 Auxilliary relay (for 52C)
63H1 High pressure switch
Inverter
PWB2
CNR
(WH)
RD
U
U
MS
V
IPM WH
3~
V
W
TB5
BL
W
CM
TB6
CNW2
(WH)
CNW1
(WH)
CNI2
(WH)
CNO1
(RD)
Color marks
Mark Color
Black
BK
Blue
BL
BR Brown
GR Gray
P Pink
Orange
OR
Red
RD
WH White
Y Yellow
Y/GN Yellow/Green