Mitsubishi Heavy Industries MHI FDU71VNXVF1 Technical Manual page 20

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
Signal line
3
3
Earth
TB1
YE/GN
Notes1.
Notes2. See the wiring diagram of outside unit about the line between
inside unit and outside unit.
Notes3. Use twin core card(0.3mm
Notes4. Do not put remote control line alongside power source line.
Remote control
Th
C
Power PCB
CNW0
YE/GN
1
WH
F1(5A)
RD
3
Power circuit
WH
5
WH
1
CNW3
F4
BL
3
WH
(2A)
CNWR
WH
1
3
1 4
5
6
7
RD BK WH
YE
BL
CNM2
BK
L
M
FM
2
I
indicates wiring on site.
2
)at remote control line.
Control PCB
WH
CNB
X
X
1
CNN
BK
WH
Y
Y
3
YE
TB2
LED・2 LED・3
CNH
BK
SW2
1
WH
WH
1
2
WH
2
3
WH
3
4
WH
4
CNW1
CNW2
5
WH
CNI
5
6
WH
SW5
WH
6
WH
7
WH
BL
7
8
WH
8
9
WH
SW6
9
10
WH
10
+12
11
WH
11
CNR
12
WH
SW7
12
WH
For HA
CNZ
WH
+12
CNT
BL
CNTA
BL
1
2
(Remote operation input:
volt-free contact)
CNB~Z
Connector
DM
Drain motor
F1,4
Fuse
FM
2
Fan motor
I
FS
Float switch
RD
1
Th
-R1
I
L
Reactor
RD
2
LED・2
Indication lamp(Green-Normal operation)
YE
3
Th
-R2
I
YE
LED・3
Indication lamp(Red-Inspection)
4
BK
5
SW2
Remote control communication address
Th
-R3
I
BK
6
SW5
Plural units Master/Slave setting
SW6
Model capacity setting
BK
1
Th
-A
SW7-1
Operation check, Drain motor test run
I
BK
2
SW7-3
Powerful mode Valid/Invalid
FS
TB1
Terminal block(Power source)(□mark)
RD
1
TB2
Terminal block(Signal line)(□mark)
RD
2
Thc
Thermistor(Remote control)
RD
Th
-A
Thermistor(Return air)
1
I
M
DM
WH
Th
-R1,2,3
Thermistor(Heat exchanger)
2
I
Color Marks
Mark
Color
BK
Black
BL
Blue
YE
Yellow
Prepare on site
1
XR1
(Operation)
2
XR2
3
(Heating)
XR3
(Compressor ON)
4
XR4
5
(Inspection)
6
XR5(Remote operation
input:volt-free contact)
Mark
Color
RD
Red
WH
White
YE/GN Yellow/Green

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