Mitsubishi Heavy Industries FDTC50ZHXV Technical Manual page 158

Power source
3N~380-415V 50Hz
TB
F(10A)
RD
L1
RD
L2 WH
BL
L3
N BK
BK
GN
L1i L2i L3i Ni
Noise filter
GN
PWB3
E
L1o L2o L3o No
BK
CT
52X
u
R5 AC1 AC2 AC3 CNW1
(WH)
+4
DM
BL DC Fan
-6
PWB4
L
CNI3
Inverter
(WH)
P2
PWB2
P3
I P M
N2
P N U V W
+
V W
U
MS
+
3~
CM
Meaning of marks
Mark Parts name
CnA~Z Connector
Crankcase heater
CH
Compressor motor
CM
Current sensor
CT
DM Diode module
F Fuse
FM01, 02 Fan motor
Intelligent power module
IPM
Reactor
L
LED1 Indication lamp (GREEN)
TB
RD
1 To indoor unit
BK
2
Power wires
3
Signal wire
CNW CNW2
(BK) (OR)
Control
PWB1
RD
CNO1
CNA1
BL
(RD)
(WH) 52X1 52X3
RD
CNO2
CNA2
(RD) BL
(WH)
CNI1
CNR
(WH)
(WH)
CH
Mark Parts name
LED2 Indication lamp (RED)
Low pressure sensor
LPT
Expansion valve for cooling
SM1
Expansion valve for heating
SM2
SW1 Pump down switch
SW3,5 Local setting switch
Terminal block
TB
Thermistor (Ambient air temp.)
THo-A
Thermistor (Discharge pipe temp.)
THo-D
Thermistor (Comp. undeneth temp.)
THo-H
1 2
3
SM1 SM2
M M
6 5 4 3 2 1 6 5 4 3 2 1 7
CNEEV1 CNEEV2
(WH) (RD)
ON
52X6
OFF
1 2 3 4
LED1 LED2
SW3
CNS CNM CNH CNU CNB
(RD) (GR) (BR) (BL) (RD)
t° t° t° t°
20S 52X
63H1 THo-H THo-R2 THo-R1 THo-D
Mark Parts name
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
52X1 Auxilliary relay (for CH)
52X3 Auxilliary relay (for 20S)
Auxilliary relay (for 52X)
52X6
High pressure switch
63H1
FMO1 FMO2
M M
6 5 4 1 7 6 5 4 1
CNFAN1 CNFAN2
(WH) (WH)
ON
OFF
1 2 3 4
SW1
SW5
CNTH CNPS
CNIP
(WH) (Y) (WH)
t° t° t°
LPT
THo-S THo-A THo-IPM
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