Daikin FXHQ-A Especificaciones Pagina 29

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Installation EDUS39-600-F5
28 FXHQ-M
CAUTION
To avoid a short circuit in the electric parts box, be sure to
apply sealing material or putty (not included) to the wiring
hole to prevent the infiltration of water, insects, or other
small creatures.
NOTE
1. Use round crimp-style terminals for connecting wires to
the power-supply terminal block.
If unavailable, observe the following points when wiring.
Do not connect wires of different gauges to the same
power supply terminal.
Looseness in the connection may cause overheating.
Use the specified electric wire. Connect the wire securely
to the terminal. Lock the wire down without applying
excessive force to the terminal. Tightening torque : 0.97
ft.lbf ±10%
2. Tightening torque for the terminal screws.
Use the correct screw driver for tightening the terminal
screws. If the blade of screwdriver is too small, the head
of the screw might be damaged, and the screw will not
be properly tightened.
If the terminal screws are tightened too hard, screws
might be damaged.
Refer to the table below for the tightening torque of the
terminal screws.
Ta b l e 4
3. Do not connect wires of different gauges to the same
ground terminal. Looseness in the connection may deteri-
orate protection.
4. Outside of the unit, keep transmission wire at least 5
inches away from power supply wire. The equipment may
malfunction if subjected to external electrical noise.
5. For remote controller wire, refer to the INSTALLATION
MANUAL OF REMOTE CONTROLLER attached to the
remote controller.
9-2 WIRING EXAMPLE
•Fit the power supply wire of each unit with a switch and fuse
as shown in the drawing.
COMPLETE SYSTEM EXAMPLE (3 systems)
1. When using 1 remote controller for 1 indoor unit. (Nor-
mal operation)
2. For group control or use with 2 remote controllers
Terminal Size Tightening torque (ft.lbf)
Transmission terminal block (6P) M3.5 0.58 – 0.72
Power supply terminal block (2P) M4 0.87 – 1.06
Ground terminal M4 0.87 – 1.06
Electric wire
Round crimp-style terminal
Attach insulation sleeve
Connect
wires of the
same gauge to both side.
Po
wer supply wire
Transmission wire
Switch
Fuse
Power supply
Main
switch
Remote controller
Indoor unit
BS unit
(Only for Heat
recovery
system)
Fig. 30
L
2
L
1
L
2
L
1
L
2
L
1
L1 L2
L1 L2
IN/D OUT/D
F
1 F2 F1 F2
Control box
L1 L2
P
1
P
2
P
1
P
2
F
1
F
2
T
1
T
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
P
1
P
2
P
1
P
2
F
1
F
2
T
1
T
2
P
1
P
2
L1 L2
Outdoor unit
Indoor
unit A
Indoor
unit B
Indoor
unit C
Most
downstream
Indoor unit
Power supply
208-230V
60Hz
Power supply
208-230V
60Hz
Power supply
208-230V
60Hz
Power supply
208-230V
60Hz
Remote
controller
Fig. 31
L
2
L
1
L1 L2 L1 L2
L1 L2
IN/D OUT/D
F
1 F2 F1 F2
Control box
P
1
P
2
P
1
P
2
F
1
F
2
T
1
T
2
P
1
P
2
F
1
F
2
T
1
T
2
P
1
P
2
F
1
F
2
T
1
T
2
P
1
P
2
F
1
F
2
T
1
T
2
P
1
P
2
P
1
P
2
L1 L2
Outdoor unit
Indoor
unit B
Most
downstream
indoor unit
For use with 2
remote controllers
Remote
controller
Power supply
208-230V
60Hz
Fig. 32
L
2
L
1
Indoor
unit A
Indoor
unit C
L
2
L
1
L
2
L
1
L
2
L
1
Power supply
208-230V
60Hz
Power supply
208-230V
60Hz
Power supply
208-230V
60Hz
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