Mitsubishi Heavy Industries MHI FDU71VNXVF1 Technical Manual page 21

Inverter duct connected-high static pressure type air-conditioners
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Connecting line between
indoor unit and outdoor unit
1
Power source line
1 2
2
3
Signal line
3
Earth
TB1
YE/GN
Notes 1.
indicates wiring on site.
Notes
2. See the wiring diagram of outside unit about the line between
inside unit and outside unit.
Notes
3. Use twin core cord(0.3mm
Notes
4. Do not put remote control line alongside power source line.
Remote control
Th
C
X
Y
Power PCB
CNW0
YE/GN
1
WH
F1(6.3A)
RD
3
Power circuit
WH
5
CNW1
WH
WH
CNW3
1
BL
WH
3
F3
F4
(2A)
(2A)
CNWR
WH
1 4
5
6
7
1 4
5
6
7
RD
BK WH
YE
BL
RD
BK WH
YE
BL
CNM1
CNM2
WH
L
FM
1
M
FM
2
M
I
I
2
)at remote control line.
Control PCB
RD
1
WH
X
CNB
1
RD
2
BK
Y
WH
3
YE
3
CNN
TB2
LED・2 LED・3
YE
YE
4
BK
5
BK
6
1
WH
WH
1
SW2
2
WH
2
3
WH
3
4
WH
BK
4
CNH
1
5
WH
CNW2
5
6
WH
BK
6
WH
BK
7
WH
2
7
SW5
8
WH
8
9
WH
9
10
WH
10
RD
SW6
11
WH
1
CNI
11
12
WH
12
BL
RD
2
SW7
+12
For HA
RD
1
CNR
WH
CNZ
WH
WH
2
BK
Prepare on site
+12
1
XR1
2
CNT
3
BL
XR3
4
5
CNTA
6
BL
XR5(Remote operation
1
2
(Remote operation input:
volt-free contact)
CNB~Z
Connector
DM
Drain motor
F1,3,4
Fuse
FM
1,2
Fan motor(with thermostat)
I
FS
Float switch
L
Reactor
Th
-R1
I
LED・2
Indication lamp(Green-Normal operation)
LED・3
Indication lamp(Red-Inspection)
Th
-R2
I
SW2
Remote control communication address
Th
-R3
I
SW5
Plural units Master/Slave setting
SW6
Model capacity setting
SW7-1
Operation check, Drain motor test run
Th
-A
I
SW7-3
Powerful mode Valid/Invalid
TB1
Terminal block(Power source)(□mark)
FS
TB2
Terminal block(Signal line)(□mark)
Thc
Thermistor(Remote control)
Th
-A
Thermistor(Return air)
I
M
DM
Th
-R1,2,3
Thermistor(Heat exchanger)
I
Color Marks
Mark
Color
(Operation)
XR2
(Heating)
BK
Black
(Compressor ON)
XR4
BL
Blue
(Inspection)
YE
Yellow
YE/GN Yellow/Green
input:volt-free contact)
Mark
Color
RD
Red
WH
White

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