Electric Wiring Work - Daikin FXZQ15A2VEB Operation Manual

Testing of drain piping
After the piping work is finished, check if drainage flows smoothly.
Add approximately 1 l of water gradually through the air

discharge outlet.
Method of adding water (See figure 10)
1 Plastic watering can (tube should be about 100 mm long)
2 Service drain outlet (with rubber plug) (Use this outlet to
drain water from the drain pan)
3 Drain pump location
4 Drain pipe
5 Drain socket (water flow view point)
 Check the drainage flow.
 In case electric wiring work is finished
Check drainage flow during COOL running, explained in
"Test operation" on page
 In case electric wiring work is not finished
- Remove the control box lid by means of two screws.
Connect the single-phase power supply (50 Hz, 230 V) to
connections No. 1 and No. 2 on the inter unit wiring
terminal block and connect the ground wire firmly (see
figure 9).
- Reattach the control box lid and turn on the power.
- Do not touch the drain pump. It may result in electric
shock.
1 Control box lid
2 Inter unit wiring
3 Earth cable
4 Terminal block for power supply
5 Clamp
6 Transmission wiring
7 Terminal board for transmission wiring
8 Opening for cables
9 Wiring diagram label
(on the back side of the control box lid)
10 Remote controller wiring
Terminal block for power supply (4)
N
L
- Confirm the drain operation looking at the drain socket.
- After checking the drainage flow, turn off power, remove
the control box lid and disconnect the single phase power
supply from the inter unit wiring terminal block again.
Attach the control box lid as before.
FXZQ15~50A2VEB
VRV System air conditioners
4P341102-1B – 2013.06
9.

Electric wiring work

General instructions
All field wiring and components must be installed by a licensed

electrician and must comply with relevant European and national
regulations.
Use copper wire only.

Follow the 'Wiring diagram' attached to the unit body to wire the

outdoor unit, indoor units and the remote controller. For details
on hooking up the remote controller, refer to the "Installation
manual of the remote controller".
All wiring must be performed by an authorized electrician.

A main switch or other means for disconnection, having a

contact separation in all poles, must be incorporated in the fixed
wiring in accordance with relevant local and national legislation.
Note that the operation will restart automatically if the main
power supply is turned off and then turned back on again.
Refer to the installation manual attached to the outdoor unit for

the size of power supply electric wire connected to the outdoor
unit, the capacity of the earth leakage circuit breaker and fuse,
and wiring instructions.
Be sure to ground the air conditioner.

Do not connect the ground wire to:

- gas pipes: might cause explosions or fire if gas leaks.
- telephone ground wires or lightning rods: might cause
abnormally high electric potential in the ground during
lightning storms.
- plumbing pipes: no grounding effect if hard vinyl piping is
used.
Be sure that the shape of the power supply cable and any other

cable, before entering unit, should be as shown in this figure.
Installation and operation manual
6