Daikin FXDQ-SPV1 Engineering Data page 38

FXDQ-SPV1
[Wiring Examples]
CAUTION
In case that the connected outdoor unit is 24 kW
or below, please comply with the following items.
·
For the remote control cable and transmission cable,
always use shielded cable, and carry out noiseless
grounding. (✩ and
·
In case that wired remote control is used, always use
an embedded remote control box (made of metal) on
the remote control, and connect the noiseless
grounding cable to the embedded remote control box.
Then, ground the embedded remote control box
additionally.
·
In case that wireless remote control is used, always
use an embedded remote control box (made of metal)
on the remote control signal receiving assembly, and
connect the noiseless grounding cable to the embedded
remote control box.
Then, ground the embedded remote control box
additionally.
·
Recommended embedded remote control box to be
used : KJB111A (optional).
System 1 Use 1 remote control to control 1
indoor unit
Power supply
single phase
1~ 220-240 V
Outdoor unit
50 Hz
L N
IN/D OUT/D
F
F F F
1 2 1 2
L N P P F F T
1 2 1 2
Indoor unit A
P P
1 2
Remote control
(Optional)
System 2 Control by group or double control for
one unit
Power supply
single phase
Outdoor
1~ 220-240 V
unit
50 Hz
L N
IN/D OUT/D
F F F F
1 2 1 2
L N
P P F F T T
1 2 1 2 1 2
Indoor unit A
P P
1 2
Remote control
(Optional)
section)
✻
Power supply Power supply
single phase single phase
1~ 220-240 V 1~ 220-240 V
50 Hz 50 Hz
L N L N
T L N P P F F T T L N P
1
1 2 1 2 1 2 1 2
Indoor unit B The last
indoor unit
P P
1 2
Remote control Remote control
(Optional)
Fig. 16
Note) In case of control by group, there is no
need to enter the address of the indoor unit.
(When the power supply is switched on,
automatic setting will be carried out.)
L N P P F F T T L N P P F F T T
1 2 1 2 1 2 1 2 1 2 1 2
Indoor unit B
Case of control
P P
1 2
by group
Remote
control
(Optional)
Use 2 remote controls
Fig. 17
to control 1 unit
System 3 Case with BS device installed
Power supply
single phase
1~ 220-240 V
50 Hz
L N
(Notes when connecting the power cable)
·
Never connect two cables with different cable diameters
to the same power terminal. (Overheating can occur
due to causes as loosened cables.)
·
When connected to the terminal board, please use
round wiring terminal with insulated sleeve. In case
that round wiring terminal with insulated sleeve cannot
be used, connect the cable of the same cable diameter
to both sides of the terminal, as shown in the figure.
P F F T T Round wiring terminal
2 1 2 1 2
Connect cables of the
same cable diameter to
both sides respectively.
P P
1 2
(Optional)
Risks as overheating can happen due to causes as
loosened cables, so please always comply with the
following items.
·
Please use power cable of the specified specifications,
and firmly connect the power cable, and then confirm
whether the power cable is pulled by any external force
in the point of the terminal board.
·
When tightening the terminal screw, please use a
suitable screw driver. In case that the screw driver
The last
head is too narrow, the screw head can be damaged,
indoor unit
and the screw may not be tightened.
·
In case that the terminal screw is over-tightened, it can
be damaged.
·
For the tightening torque of the terminal screw,
P P
1 2
please refer to the following table.
Remote
control
Terminal
Terminal board for the remote control /
transmission cable (6P)
Terminal board for the power supply (3P)
Terminal for noiseless grounding (M4)
36
Outdoor unit BS device
IN/D O U T D / O U T D /
F F F F F F
1 1 2 1
2 2
L N
P P F F T T
1 2 1 2 1 2
Indoor unit A
P P
1 2
Remote control
Fig. 18
(Optional)
Insulating sleeve
Power cable
Never connect cable of the Never connect cable
same cable diameter to the of different cable
same side. diameters.
Tightening torque (N
0.79 - 0.97
1.18 - 1.44
1.44 - 1.94
EDTFVN391825
IN/D
F F
1 2
m)
•
11
3P347455-11H