Mitsubishi Electric FDT125VNVF Technical Manual page 118

Color Marks
Mark Color Mark Color
BK Black P Pink
BL Blue RD Red
BR Brown WH White
GR Gray Y Yellow
OR Orange Y GN Yellow Green
TB1
Connecting line between
1 5
indoor unit and outdoor unit RD RD
F 3.15A
2 3
WH WH
Power source line 1 2
F 3.15A
3 1
Signal line BL
3
Earth
Y GN
F 5A F 5A
52FH 52FM 52FL
C UH M
M
Y GN
1
FMI
CFI
Notes 1. indicates wiring on site.
2. See the wiring diagram of outside unit about the line between
inside unit and outside unit.
2
3. Use twin core cable 0.3mm X2 at remote controller line. See spec
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.
Thl -R1
FS
Trl
t˚
220 240V
19V 24V
Control PCB
CNW1 CNW2
CNI 1
BL WH BK
LED 2
X6 X2 X4
CNW0
RD
LED 3
X1 X3
CNB
CNM3 CNR
1 3 5 7 9
WH
WH WH
C UH H M L 1 3 1
X
F 0.16A
CNR2 X
52FH 52FM 52FL
BL
Remote
L
Controller
M
t˚
DM
1
Thl -R2 Thl -R3 Thl -A
t˚ t˚ t˚
2 3 4 5 6 1 2
CNN
CNH
BK Option
Y
+12 1
XR1
2
SW2
SW6
XR2
3
CNT
BL XR3
SW7 4
XR4
5
6
XR5 Remote operation input:
volt-free contact
3
Y
TB2
Y
Thc
Capacitor for FMI
CF
I
Connector
CNB Z
Drain motor
DM
F Fuse
Fan motor with thermostat
FMI
FS Float switch
Indication lamp Green-Normal operation
LED 2
Indication lamp Red-Inspection
LED 3
Remote controller communication address
SW2
Model capacity setting
SW6
Operation check, Drain motor test run
SW7-1
Terminal block Power source mark
TB1
Terminal block Signal line mark
TB2
Operation
Thc Thermistor Remote controller
Heating
Thl -A Thermistor Return air
Compressor ON
Inspection
Thermistor Heat exchanger
Thl -R1,2,3
Trl Transformer
X1 3,6 Relay for FM
X4 Relay for DM
mark Closed-end connector
Electromagnetic contactor for FMI
52FL,FM,FH