Mitsubishi Electric FDT125VNVF Technical Manual page 121

Connecting line between
1
indoor unit and outdoor unit
Power source line 1 2 2
3
Signal line
3
Earth
TB1
Y/GN
Notes 1. indicates wiring on site.
2. See the wiring diagram of outside unit about the line between
inside unit and outside unit.
x 2) at remote controller line. See spec
3. Use twin core cable (0.3mm
2
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.
Remote controller
Th
C
X
Y
t°
CNW0
Y/GN 1
WH
F1 (5A)
RD 3
Power circuit
WH 5
F2 (5A)
WH
1
CNW3
BL
3
WH
F4
(2A)
1 4 5 6 7
RD
BL BR OR WH
or or or or
BK WH Y BL
M
FM 2
I
Control PCB
WH
X CNB
1
CNN
BK
Y WH
3
LED E2 LED E3
TB2
• •
Power PCB
1 WH WH
1
SW2
2 WH
2
3 WH
3
4 WH
CNW1 CNW2
4
5 WH
CNH
5
WH WH
6 WH
6
7 WH BK
7
SW5
8 WH
8
9 WH
9
10 WH
10
SW6
11 WH
11
CNI
12 WH
12
BL
SW7
For HA
CNR
CNZ
WH
CNM2 WH
+12
CNT
BL
CNTA
BL
1 2
CNB~Z Connector
DM Drain motor
F1,2,4 Fuse
Fan motor (with thermostat)
FM 2
I
FS
Float switch
Indication lamp (Green-Normal operation)
LED · E2
RD
1
Th -R1
t° I
LED E3 Indication lamp (Red-Inspection)
·
RD
2
Y
Remote controller communication address
3 SW2
Y
Th -R2
t°
I
Y
4 Plural units Master/Slave setting
SW5
BK
5
Th -R3 Model capacity setting
SW6
t°
I
BK
6
Operation check, Drain motor test run
SW7-1
Terminal block (Power source) ( mark)
TB1
BK
1
Th -A
t° I
Terminal block (Signal line) ( mark)
TB2
BK
2
Thc
Thermistor (Remote controller)
FS
RD
1 Th -A Thermistor (Return air)
I
RD
2 Th -R1,2,3
Thermistor (Heat exchanger)
I
mark Closed-end connector
RD
1
M
DM
WH
2
Option
Color Marks
1
XR1 (Operation)
Mark Color
2
XR2 (Heating)
3
BK Black
XR3
(Compressor ON)
4
XR4
(Inspection) BL Blue
5
6
BR Brown
XR5 (Remote operation
input:volt-free contact)
OR Orange
Mark Color
RD Red
WH White
Y Yellow
Y/GN Yellow/Green