Mitsubishi Electric FDT125VNVF Technical Manual page 116

Connecting line between
TB1
indoor unit and outdoor unit
RD 5
1
RD
F（3.15A）
Power source line 1 2 3
2 WH
WH
F（3.15A）
Signal line
3 BL 1
3
CNW0
Earth Y／GN
RD
CNM3
WH
CNF1
WH
M
FMI 1
1
CNFI 1
WH
CF
Notes 1. indicates wiring on site.
2. See the wiring diagram of outside unit about the line between
indoor unit and outdoor 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.
Trl
M
LM
220ｰ240V
19V 24V
C
1 2 3 4 5
CNW1 CNW2
CNJ WH
WH
BK
X4
LED・2
X6 X2
X1 X3
CNR CNI CNB WH
1 3 5 7 9 WH BL
1 3 1
C UH H M L
X Y
5
Y／GN
1
I Receiver PCB
Indication lamp （Green-Normal operation）
LED2
Indication lamp （Yellow-Timer／Inspection）
LED3
7-segment display
LED4
Switches for setting
SW1
Back-up switch（Operation／Stop）
SW4
Th -R1 Th -R2 Th -R3 Th -A
I I I I
t t t t
Option
1 2 3 4 5 6 1 2
+12 1
CNH
CNN Y
BK XR1
2
SW5
XR2
LED・3 CNT 3
SW2
BL
XR3
4
SW6
XR4
5
6
SW7
XR5（Remote operation input :
3 Control PCB
volt-free contact）
Wireless specification
Wired specification
TB2
CNB
SW4 SW1
AMP
LED2 LED3 LED4 TB2
Remote
controller
CNB2
X X
Receiver PCB
WH
Thc
Y Y
t
Remote
controller
※When wired remote controller are used
only（wireless type）
It is necessary to remove the line that is
connected to the receiver.
Remove signal line connected to the receiver
from primary side of terminal block（X,Y） .
ATTENTION
Insulate with tape the removed line.
①
The LED of that removed connector will
②
not be able to make any indication.
Capacitor for FMI
CFI 1
CNB Z Connector
F Fuse
FMI 1 Fan motor（with thermostat）
Indication lamp（Green-Normal operation）
LED・2
Indication lamp（Red-Inspection）
LED・3
（Operation）
（Heating）
Louver motor
LM
（Compressor ON）
（Inspection）
Remote controller communication address
SW2
Plural units Master／Slave setting
SW5
Model capacity setting
SW6
Operation check, Drain motor test run
SW7-1
Terminal block〔Power source）（□mark）
TB1
Terminal block〔Signal line）（□mark）
TB2
Thermistor〔Remote controller）
Thc
Thermistor〔Return air）
Thl -A
Thermistor〔Heat exchanger）
Thl -R1,2,3
Trl Transformer
X1 3,6 Relay for FM
X4 Relay for DM
Color Marks
Mark Color Mark Color
BK Black RD Red
BL Blue WH White
BR Brown Y Yellow
OR Orange Y／GN Yellow／Green
P Pink