Mitsubishi Electric FDT125VNVF Technical Manual page 117

Connecting line between
TB1
indoor unit and outdoor unit
RD 5
1
RD
F（3.15A）
Power source line 1 2 WH 3
2
X6
WH
F（3.15A）
Signal line 1
3 BL
3
CNW0
Earth Y／GN
RD
1
CNM3
C
WH
5
CNF1
WH
5
M
FMI 1
1
CNFI 1
WH
CF
I
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
C 19V 24V
1 2 3 4 5
CNW1 CNW2
CNJ WH
WH
BK
X4
LED・2
X2
X1 X3
CNR
CNI CNB WH
3 5 7 9 BL
WH 1 3 1
UH H M L
5
X Y
CNF2
WH
5
Y／GN Y／GN
M
FMI 2
1
CNFI 2
WH
1 CFI 2
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
CNN Y CNH
BK XR1
2
SW5
XR2
CNT 3
LED・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
AMP SW4 SW1
LED2 LED3 LED4 TB2
Remote
controller
CNB2
X X
Receiver PCB
WH
Y Y
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 1,2
Connector
CNB Z
F Fuse
Fan motor（with thermostat）
FMl 1,2
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
SW7-1 Operation check, Drain motor test run
Terminal block〔Power source）（□mark）
TB1
Terminal block〔Signal line）（□mark）
TB2
Thc Thermistor〔Remote controller）
Thc
t
Thermistor〔Return air）
Thl -A
Thermistor〔Heat exchanger）
Thl -R1,2,3
Trl Transformer
X1 3,6 Relay for FM
X4 Relay for DM
Closed-end connector
■mark
Color Marks
Mark Color Mark
BK Black RD
BL Blue WH
BR Brown Y
OR Orange Y／GN
P Pink
Color
Red
White
Yellow
Yellow／Green