Removal Of Heat Exchanger - Daikin FTXS09HVJU Service Manual

FTXS15/18/24HVJU
2.5

Removal of Heat Exchanger

Procedure
Step
 Removal of the electrical
box.
1. Disconnect the refrigerant
piping.
1 Hold the indoor unit up by
something stable such as
a piece of wood.
2 Remove the flare nut for
gas piping by 2 wrenches.
Removal Procedure
Warning Be sure to wait 10 minutes or more after turning off all power supplies
before disassembly work.
Procedure
SiUS04-904
Points
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.
 Use 2 wrenches to disconnect
pipes.
 After pipes are disconnected,
cover every nozzle with caps
to prevent letting in dust and
moisture.
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