16 | Unit installation
Installer and user reference guide
55
FXDA10~63A2VEB
VRV system air conditioner
4P599621-1A – 2020.10
a Drain plug
b Philips screwdriver
To check for water leaks
The procedure differs depending on whether installation of the system is already
completed. When installation of the system is not yet completed, temporarily
connect the user interface and power supply to the unit.
When installation of the system is not yet completed
1 Temporarily connect electrical wiring.
▪ Remove the service cover.
▪ Connect the power supply (a).
▪ Connect the user interface (b).
▪ Reattach the service cover.
a Power supply terminal block
b User interface terminal block
2 Turn ON the power supply.
3 Start fan only operation (see the reference guide or the service manual of the
user interface).
4 Remove the water inlet cover (1 screw).
5 Gradually pour approximately 1l of water through the water inlet, and check
for leaks.
a Water inlet
b Portable pump
c Water inlet cover
d Bucket (adding water through water inlet)
e Drain outlet for maintenance
f Refrigerant pipes
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