Mitsubishi Heavy Industries FDTC50ZHXV Technical Manual page 153

TB1
Connecting line between
1
indoor unit and outdoor unit RD
2
Power source line WH
1 2
Signal line 3
3
Earth
Y/GN
Meaning of marks
Mark Parts name
Capacitor for FM
CF 1, 2
I I
CNB~Z Connector
Fuse
F
FC Fan controller
FM 1, 2 Fan motor (with thermostat)
I
Float switch
FS
LED · 2
Indication lamp (Green-Normal operation)
Th -R1 Th -R2
I I
t° t°
1 2 3
CNN
Y
F(3.15A)
5
RD
F(3.15A)
3
WH WH
CNW0
1 RD
BL
F F
(6.3A) (6.3A)
Control PCB
2 1
52FL 52FH 52FL 52FH
CNF3
CNF2
CNFX
WH
WH
Option
CNF5
WH
CNF5 CNF3
CNF2
H H
L L
CF 1
WH WH
WH
I
M M
Y/GN 1 Y/GN 1
Y Y Y Y
~
~
FM 1 FM 2
OR OR OR OR
I I
CNF5
CNF2
WH
WH
CNF3
WH
Mark Parts name
LED · 3 Indication lamp (Red-Inspection)
SW2 Remote controller communication address
SW6 Model capacity setting
SW7-1 Operation check, Drain motor test run
TB1
Terminal block (Power source) ( � mark)
TB2 Terminal block (Signal line) ( � mark)
Thc
Thermistor (Remote controller)
Th -R3 Th -A
I
I
Tr
I
t° t°
220-240V
19V 24V
4 5 6 1 2
CNW1
CNW2
CNH
WH BK
BK
LED · 2
SW6
CNT
X6 X2
SW7 BL
LED · 3
SW2
X1 X3
CNI
CNB
CNM3
1 3 5 7 9
BL WH
WH
1 3
C UH H M L
X Y
X Y
Remote
FS
Controller
52FH 52FL
t° Thc
WH
CF 2
Y
I
Notes (1) indicates wiring on site.
OR
(2) See the wiring diagram of outside unit about the line between inside
unit and outside unit.
(3) Use twin core cable (0.3mm
sheet of remote controller in case that the total length is more than
100m.
(4) Do not put remote controller line alongside power source line.
Mark Parts name
ThI-A Thermistor (Return air)
ThI-R1, 2, 3 Thermistor (Heat exchanger)
Transformer
TrI
X1~3,6 Relay for FM
� mark Closed-end connector
Electromagnetic contactor for FMI
52FL,FH
Option
+12 1
XR1 (Operation)
2
XR2 (Heating)
3
XR3 (Compressor ON)
4
(Inspection)
XR4
5
6
XR5(Remote operation input:
volt-free contact)
TB2
2 × 2) at remote controller line. See spec
Color Marks
Mark Color
Black
BK
Blue
BL
BR Brown
GR Gray
OR Orange
Pink
P
Red
RD
WH White
Y Yellow
Yellow/Green
Y/GN