Wiring Example - Daikin FXTQ12PAVJU Installation Manual

NOTES
1. If the wiring is in a place where people it can be easily
touched by people, install a ground-fault circuit interrupter
to prevent electric shock.
2. When using a ground-fault circuit interrupter, make sure to
select one useful also to protection against overcurrent and
short-circuit.
When using a ground-fault circuit interrupter only for
grounding device, make sure to use a wiring interrupter
together.
• The length of the transmission wiring and remote controller
wiring are as follows.
Length of the transmission wiring and remote controller wiring
Outdoor unit – Indoor unit
Indoor unit – Remote controller
8-3 ELECTRICAL CHARACTERISTICS
Units
Voltage
Model Hz Volts
range
12 type
18 type
24 type
Min. 187
30 type
208/ Max. 229/
60
230 Min. 207
36 type
Max. 253
42 type
48 type
54 type
MCA: Minimum Circuit Amps (A)
MOP: Max Overcurrent Protective Device (A)
HP: Fan motor output (HP)
9.

WIRING EXAMPLE

9-1 HOW TO CONNECT WIRINGS
〈Precautions when laying power supply wiring〉
• Wiring of different thicknesses cannot be connected to the
power supply wiring terminal block. Slack in the power
supply wiring may cause abnormal heat.
• Use sleeve-insulated round crimp-style terminals for con-
nections to the power supply wiring terminal block. When
none are available, connect wires of the same diameter to
both sides, as shown in the fi gure.
Insulation sleeve
Round crimp-style terminal
Connect wires of Do not connect
the same gauge to wires of the same
both sides. gauge to one side.
9
Max. 3280 ft.
(Total wiring length: 6560 ft.)
Max. 1640 ft.
Power supply Fan motor
MCA MOP HP FLA
1.1 0.9
1/2
1.9 1.5
1.6 1.3
2.4 1.9
15
3.3 2.6
3/4
4.0 3.2
6.0 4.8
8.0 6.4
FLA: Full Load Amps (A)
Electric wire
Do not connect
wires of different
gauges.
If the wiring gets too hot due to loose power-supply wir-
ing, use the following precautions:
• For wiring, use the designated power supply wiring and
connect fi rmly, then secure to prevent outside pressure
being exerted on the terminal board.
• Use the correct screwdriver 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 Table 2 for the tightening torque of the terminal screws.
Table 2
Terminal block
Remote controller / transmission
wiring terminal block (6P) (10P)
Power supply wiring terminal
block (3P)
(1) Remove the front panel (upper).
Top panel
Electric
components
box cover
(2) Remove the electric component box cover.
Terminal block (6P)
Terminal block (3P)
(3) Pass the power supply wiring and the ground wire
through the top panel's high-voltage hole (requires
use of conduit) and pass the remote controller wiring
and transmission wiring through the top panel's
low-voltage hole.
• Pass the included insulation tube through the hole in the
panel before connecting the electric wires and the
ground wire to the terminal block (3P) shown in Fig. 9.
• Pass the included insulation tube through the hole in the
panel before connecting the remote controller wiring
and transmission wires to the terminal block (6P) shown
Tightening torque (ft · lbf)
0.58 – 0.72
0.87 – 1.06
Low-voltage
hole
High-voltage
hole
English