Daikin FXZQ05TAVJU, Installation Manual

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8 English
Precautions
1 Observe the notes mentioned below when wiring to the power
supply terminal block.
- Use a round crimp-style terminal for insulation sleeve for
connection to the terminal block for wiring the units. When none
are available, follow the instructions below.
1 2 3
1 Round crimp-style terminal
2
Attach insulation sleeve
3 Wiring
- Do not connect wires of different gauge to the same power supply
terminal. (Looseness in the connection may cause overheating.)
- When clamping wiring, use the clamps (delivered with the unit) to
prevent outside pressure being exerted on the wiring
connections. Tie up firmly. When doing the wiring, make sure the
wiring is neat and does not cause the control box to stick up.
Close the cover firmly.
- When connecting wires of the same gauge, connect them
according to the figure.
Use the specified electric wire. Connect the wire securely to the
terminal. Lock the wire down without applying excessive force to
the terminal. Use torques according to the table below.
Unit: ft·lbf (N·m)
Tightening torque (N·m)
Terminal block for unit transmission and remote
controller
0.58-0.72 (0.79~0.97)
Terminal block for power supply 0.87-1.06 (1.18~1.44)
- When attaching the control box lid, make sure not to pinch any
wires.
2
Do not connect wires of different gauge to the same grounding
terminal. Looseness in the connection may deteriorate the
protection.
3 Remote controller wiring and transmission wiring should be located
at least 1-15/16 in. (50 mm) away from power supply wiring. Not
following this guideline may result in malfunction due to electrical
noise.
4 For the remote controller wiring, refer to the “Installation manual of
the remote controller” supplied with the remote controller.
NOTE
The customer has the ability to select the remote
controller thermistor.
5
Never connect the power supply wiring to the terminal block for
transmission wiring. This mistake could damage the entire system.
6
Use only specified wires and tightly connect wires to the terminals.
Be careful that wires do not place external stress on the terminals.
Keep wiring in neat order so that they do not obstruct other
equipment such as popping open the service cover. Make sure the
cover closes tight. Incomplete connections could result in
overheating, and in the worst case, electric shock or fire.
Wiring example
Fit the power supply wiring of each unit with a switch and fuse as
shown in figure 16.
1 Power supply
2 Main switch
3 Power supply wiring
4 Transmission wiring
5
Switch
6 Fuse/Breaker
7 BS unit (Heat recovery system only)
8
Indoor unit
9 Remote controller
Complete system example (3 systems)
See figures 12, 13 and 14.
1 Outdoor unit
2
Indoor unit
3 Remote controller (Optional accessory)
4
Most downstream indoor unit
5 For use with 2 remote controllers
6 BS unit (Heat recovery system only)
When using 1 remote controller for 1 indoor unit. (Normal
operation)
(See figure 12)
.
For group control or use with 2 remote controllers
(See figure 13) .
When including BS unit (See figure 14) .
NOTE
It is not necessary to designate indoor unit address
when using group control. The address is automatically
set when the power is activated.
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.
2
For a group control remote controller, choose the remote controller
that suits the indoor unit which has the most functions.
3 Do not connect the ground wire to gas or water pipes, lightning rods
or telephone ground wires.
Installation of the decoration panel
Refer to the installation manual delivered with the decoration panel.
After installing the decoration panel, ensure that there is no space
between the unit body and decoration panel. Otherwise air may leak
through the gap and cause condensation.
Field setting
Field setting must be made from the remote controller in accordance
with the installation condition.
„
Setting can be made by changing the “Mode number”, “First code
No.” and “Second code No.”.
„
For setting and operation, refer to the “Field setting” in the
installation manual of the remote controller.
01_EN_3P493125-1.indd 8 9/21/2017 10:16:31