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Unit installation
Installer and user reference guide
47
FXMQ-A
VRV system air conditioner
4P701548-1 – 2022.07
b
a
c
d
e
a
Indoor unit
b
BSP 1" internal thread
c
Adapter (field supply)
d
Metal clamp (field supply)
e
Insulation material for drain pipe (field supply)
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.
▪
Connect the user interface.
▪
Reattach the service cover.
a
L N
b
c
a
User interface terminal block
b
Power supply terminal block
c
Service cover with wiring diagram
2
Turn ON the power supply.
3
Start fan only operation (see the reference guide or the service manual of the
user interface).
4
Gradually pour approximately 1 l of water to the drain pan, and check for
leaks.
a
b
c d
a
Container with water
b
Drain pan
c
Drain outlet
d
Refrigerant pipes