Mitsubishi Electric FDT125VNVF Technical Manual page 120

L
CNWR2
Connecting line between
Y/GN
WH
indoor unit and outdoor unit
RD
1
WH
Power source line 2
1 2
3
Signal line
3
Earth
WH
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.
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.
Remote controller
Th
C
X
Y
t°
CNW0 Power PCB
1 WH
F1 (3.15A)
RD 3
Power circuit
5
CNW1
F2 (3.15A)
1 CNW3
BL
WH
3
F3
(2A)
1 4 5 6 7
RD BL BR OR WH
CNM1
or or or or
BK WH Y BL
WH
M
FM 1
I
x 2) at remote controller line. See spec
2
Control PCB
1
WH
X CNB
1
2
CNN
BK
Y
WH
3
3
Y
TB2 LED • E2 LED • E3
4
5
6
1 WH WH
1
SW2
2 WH
2
3 WH
3
4 WH
CNW2
4
1
5 WH
CNH
5
WH WH
6 WH
6
BK
7 WH
2
7
SW5
8 WH
8
9 WH
9
10 WH
10
SW6
11 WH
1
11
CNI
12 WH
12
BL
2
SW7
For HA
1
CNR
CNZ
WH
WH
2
+12 1
2
3
CNT
4
BL
CNTA
5
6
BL
1 2
CNB~Z Connector
DM Drain motor
F1~3 Fuse
Fan motor (with thermostat)
FM 1
1
FS Float switch
L
Reactor
RD
Th -R1
t° I
LED · E2 Indication lamp (Green-Normal operation)
RD
Y
Indication lamp (Red-Inspection)
LED · E3
Th -R2
t° I
Y
SW2 Remote controller communication address
BK
Th -R3
SW5 Plural units Master/Slave setting
t° I
BK
SW6 Model capacity setting
Operation check, Drain motor test run
SW7-1
BK
Th -A
t° I
TB1 Terminal block (Power source) ( mark)
BK
TB2
Terminal block (Signal line) ( mark)
FS
RD
Thc Thermistor (Remote controller)
RD
Th -A Thermistor (Return air)
I
Thermistor (Heat exchanger)
Th -R1,2,3
I
RD
M mark Closed-end connector
DM
WH
Option
Color Marks
XR1 (Operation) Mark Color
XR2
(Heating)
BK Black
XR3 (Compressor ON)
XR4 BL Blue
(Inspection)
BR Brown
XR5 (Remote operation
input:volt-free contact)
OR Orange
Mark Color
RD Red
WH White
Y Yellow
Y/GN Yellow/Green