Daikin FTXS09HVJU, Service Manual

Page: 206 / 274

FTXS15/18/24HVJU SiUS04-904
Removal Procedure 195
2.5 Removal of Heat Exchanger
Procedure
Warning Be sure to wait 10 minutes or more after turning off all power supplies
before disassembly work.
Step Procedure Points

Removal of the electrical
box.
Warning
If gas leaks, collect all
refrigerant from the unit, then
repair the spot of leaking. After
conducting vacuum drying,
recharge proper amount of
refrigerant.
Caution
Do not contaminate with any gas
(including air) other than the
specified refrigerant (R-410A)
into refrigerant cycle.
Contaminating of with air or
other gas causes abnormal high
pressure in refrigerating cycle,
and this results in pipe breakage
or personal injurie.

Pay attention so that the
residual water in the drain
does not make the floor wet.

In case that the drain hose is
buried inside a wall, remove it
after the drain hose in the wall
is pulled out.
1. Disconnect the refrigerant
piping.
1 Hold the indoor unit up by
something stable such as
a piece of wood.

Use 2 wrenches to disconnect
pipes.

After pipes are disconnected,
cover every nozzle with caps
to prevent letting in dust and
moisture.
2 Remove the flare nut for
gas piping by 2 wrenches.