Mitsubishi Heavy Industries FDTC50ZHXV Technical Manual page 152

TB1
Connecting line between
1
RD
indoor unit and outdoor unit
2
Power source line WH
1 2
Signal line 3
3
Earth
Y/GN
Meaning of marks
Mark Parts name
Capacitor for FMI
CF
I
CNB~Z Connector
Drain motor
DM
Fuse
F
FM
Fan motor (with thermostat)
I
FS Float switch
LED · 2
Indication lamp (Green-Normal operation)
FS
220-240V
Control PCB
CNI CNW1
BL
5
RD
F(3.15A)
3
WH
F(3.15A)
CNW0
X6 X2
1 RD
BL
X1 X3
CNM3
1 3 5 7 9
WH
C UH H M L 1
F(5A) F(5A)
F(0.16A)
52FH 52FM 52FL 52FH 52FM 52FL
C UH M L
Y/GN M1
~
FM
I
CF
I
Mark Parts name
LED · 3 Indication lamp (Red-Inspection)
SW2
Remote controller communication address
SW6 Model capacity setting
Operation check, Drain motor test run
SW7-1
TB1
Terminal block (Power source) ( � mark)
TB2 Terminal block (Signal line) ( � mark)
Thc
Thermistor (Remote controller)
Th -R1 Th -R2 Th -R3
I I I
Tr
I
t° t° t°
19V 24V
CNW2 1 2 3 4 5
WH BK CNN
Y
LED · 2
SW2
SW6
X4
LED · 3
SW7
CNB
CNR
WH
WH
3 1 3
X Y
TB2
Notes (1)
X Y
CNR2
(2) See the wiring diagram of outside unit about the line between
BL
Remote
Controller
(3) Use twin core cable (0.3mm
M1 t°
Thc
DM
~
(4) Do not put remote controller line alongside power source line.
Mark
ThI-A Thermistor (Return air)
ThI-R1,2,3
Thermistor (Heat exchanger)
TrI Transformer
Relay for FM
X1~3, 6
X4 Relay for DM
Closed-end connector
� mark
52FL, FM, FH Electromagnetic contactor for FMI
Th -A
I
t°
6 1 2
CNH
Option
BK
+12 1
XR1 (Operation)
2
XR2
(Heating)
3
CNT
BL
XR3 (Compressor ON)
4
(Inspection)
XR4
5
6
XR5(Remote operation input:
volt-free contact)
indicates wiring on site.
inside unit and outside unit.
× 2) at remote controller line.
2
See spec sheet of remote controller in case that the total length
is more than 100m.
Color Marks
Mark Color
Black
BK
Parts name
Blue
BL
Brown
BR
GR Gray
OR Orange
Pink
P
Red
RD
WH White
Y Yellow
Yellow/Green
Y/GN