Daikin FXFN50A2VEB Installer And User Reference Manual page 59

To check for water leaks
When installation of the system is not yet completed
FXFN50~112A2VEB
CO₂ Conveni-Pack: indoor unit
4P677925-1 – 2021.07
b Drain hose (accessory)
c Metal clamp (accessory)
d Large sealing pad (accessory)
e Insulation piece (drain pipe) (accessory)
f Drain piping (field supply)
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.
1 Temporarily connect electrical wiring.
▪ Remove the service cover (a).
▪ Connect the user interface (b).
▪ Connect the power supply (c).
▪ Reattach the service cover (a).
a Service cover with wiring diagram
b User interface terminal block
c Power supply terminal block
2 Turn ON the power.
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 through the air discharge outlet,
and check for leaks.
a Plastic watering can
b Service drain outlet (with rubber plug). Use this outlet to drain water from the drain
pan
c Drain pump location
d Drain pipe connection
16 Unit installation
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b
a
c
e
d
c
b
a
Installer and user reference guide
59