Daikin VRV III, Руководство пользователя, Страница: 451 / 455

Installation ED34-862
446 FXMQ-MF
„
Refer to the table below for the tightening torque of the terminal screws.
3. Do not connect wires of different gauge to the same ground terminal. Looseness in the connection may
deteriorate protection.
4. Outside of the unit, keep transmission wire and remote controller wire at least 50 mm away from power supply
wire and ground wire. The unit may malfunction if subjected to electrical noise (external static).
5. For remote controller wiring, refer to the “INSTALLATION MANUAL OF REMOTE CONTROLLER” attached to the
remote controller.
6. Never connect power supply wire to the transmission terminal block (X2M). A mistake of the sort could damage
the entire system.
7. Use only specified wire and tightly connect wires to terminals. Be careful wires do not place external stress on
terminals. Keep wiring in neat order and so as not to obstruct other equipment such as the electric parts box lid.
Make sure the lid closes tight. Incomplete connections could result in overheating, and in worse case, electric
shock or fire.
WIRING EXAMPLE
Fit the power supply wiring of each unit with a switch and fuse as shown in the drawing.
COMPLETE SYSTEM EXAMPLE (3 SYSTEMS)
[ PRECAUTIONS ]
1. A single switch can be used to supply power to units on the same system. However, branch switches and branch
circuit breakers must be selected carefully.
1. When using 1 remote controller for 1 indoor unit.
(Normal operation)
2. For group control or control by 2 remote
controllers
Terminal Size Tightening torque
Transmission terminal block (X2M) M3.5 0.79 – 0.97 N·m
Power supply terminal block (X1M)
Ground terminal
M4
M5
1.18 – 1.44 N·m
3.02 – 4.08 N·m
Power supply wire
Transmission wire
Switch
Fuse
Power supply
Main
switch
Remote controller
Indoor unit
Fig. 18
Outdoor unit
L N L N
IN/D OUT/D
F 1 F 2 F 1 F 2
Control box
L N
L N P
1
P
2
P
1
P
2
F
1
F
2
T
1
T
2
P
1
P
2
P
1
P
2
F
1
F
2
T
1
T
2
L N P
1
P
2
P
1
P
2
F
1
F
2
T
1
T
2
L N L N P
1
P
2
P
1
P
2
F
1
F
2
T
1
T
2
L N
Outdoor unit
Unit A Unit B Unit C
Most
downstream
unit
Power supply
220-240V
50Hz
Power supply
220-240V
50Hz
Power supply
220-240V
50Hz
Power supply
220-240V
50Hz
Fig. 19
Unit A
IN/D OUT/D
F1 F2 F1 F2
Control box
L N P
1
P
2
P
1
P
2
F
1
F
2
T
1
T
2
L N P
1
P
2
F
1
F
2
T
1
T
2
L N P
1
P
2
F
1
F
2
T
1
T
2
L N P
1
P
2
F
1
F
2
T
1
T
2
P 1 P 2 P 1 P 2
L N
Outdoor unit
Unit B Unit C
Most
downstream
unit
Control by 2
remote controllers
Power supply
220-240V
50Hz
Note: It is not necessary to designate
indoor unit address when using
group control.
The address is automatically set
when power is activated.
Fig. 20
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