Indoor Units - Mitsubishi Electric FDT125VNVF Technical Manual

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CNB∼Z
Connector
DM
Drain motor
F200∼203
Fuse
FM
Fan motor
I
FS
Float switch
LED ・ 2
Indication lamp
(Green-Normal operation)
Connecting line between
indoor unit and outdoor unit
Power source line
1 2
Signal line
3
Earth
Notes 1.
indicates wiring on site.
   2. TB1 is the terminal block for heavy current (connecting line between
indoor unit and outdoor unit) ,
and TB2 is the terminal block for weak current (remote controller) .
   3. See the wiring diagram of outside unit about the line between
inside unit and outside unit.
   4. Use twin core cable ( 0.3mm X2) at remote controller line. See spec
2
   sheet of remote controller in case that the total length is more than 100m.
   5. Do not put remote controller line alongside power source line.
LED ・ 3
Indication lamp ( Red-Inspection)
LM1∼4
Louver motor
SW2
Remote controller communication
address
SW5
Plural units Master/Slave setting
SW6
Model capacity setting
SW7-1
Operation check,Drain motor test run
Remote controller
TB2
WH
X
X
Th
BK
Y
Y
C
Y/GN
Y/GN
Y/GN
Power PCB
1
Y/GN
2
CNW2
Y/GN
7
F200 ( 3.15A)
3
RD
RD
5
1
4
Power circuit
WH
3
5
2
F201 ( 3.15A)
CNW1
BL
1
3
1
BL
2
CNW0
3
X4
TB1
Y/GN
WH
F203
F202
4
(0.16A)
(1.0A)
5
1
3
1 4
5
6
7
CNR
CNM
WH BR
RD BL BR OR WH
WH
WH
LM1
2
1
CNR2
5
6
4
3
2
CNM3
M
BL
Y
Y
RD
RD BL BR OR WH
M
5
6
4
3
2
DM
CNM4
LM2
1∼
RD BL BR OR WH
WH
M
M
FM
I
LM3
M
LM4
M
Terminal block ( Power source)
TB1
(□ mark)
Terminal block ( Signal line) ( □mark)
TB2
Thermistor (Remote controller)
Thc
Thermistor (Return air)
Th
-A
I
Thermistor (Heat exchanger)
Th
-R1,2,3
I
X4
Relay for DM
■ mark
Closed-end connector
Control PCB
CNB
1
WH
1
1
CNI
WH
3
BL
WH
2
LED ・ 2
LED ・ 3
2
BL
3
1
CNH
BK
BL
4
2
RD
1
RD
2
CNW3
SW2
RD
RD
5
3
1
RD
RD
4
RD
RD
6
5
2
BL
2
SW5
BL
Y
7
1
CNW4
3
CNN
BL
3
BL
BL
SW6
Y
8
Y
4
4
BL
5
SW7
BK
9
5
BK
10
BK
BK
1
1
6
1
2
BK
2
BK
2
3
BK
3
BK
3
4
BK
4
BK
4
5
BK
5
BK
5
1
BK
6
BK
6
2
BK
7
BK
7
Option
3
BK
8
BK
8
+12
1
4
BK
9
BK
XR1
9
2
CNJ
BK
BK
5
10
CNT
XR2
10
3
1
BK
11
BK
WH
BL
XR3
11
4
2
BK
12
BK
XR4
12
5
3
BK
13
BK
13
6
XR5 ( Remote operation input:volt-free contact)
4
BK
14
BK
14
5
BK
15
BK
15
1
BK
16
BK
16
2
BK BK
17
BK BK
17
3
BK
18
BK
18
4
BK
BK
19
19
5
BK
20
BK
20
CNJ2
WH
Color Marks
Mark Color
BK Black
BL
Blue
BR Brown
OR
Orange
RD
Red
WH
White
Y
Yellow
Y/GN
Yellow/Green
FS
1
WH
RD
WH
2
RD
CNI2
WH
BL
BK
1
Th
-A
I
BL
BK
2
CNH2
WH
RD
1
BK
Th
-R1
I
RD
2
BK
Y
3
BK
Th
-R2
I
Y
4
BK
5
BK
BK
Th
-R3
I
6
BK
BK
CNN2
CNC
BK
WH
(Operation)
(Heating)
(Compressor ON)
(Inspection)

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