SiUS04-904 FTXS09/12HVJU
168 Removal Procedure
1.5 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
Conduct pump-down
operation.
Remove the installation
frame from the mounting
plate.
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
Remove the drain hose.
Be careful that the
residual drain water does
not leak out.
2
Release the insulation
tube and release the flare
nuts for the gas line and
the liquid line.
Use 2 wrenches to disconnect
pipes.
After pipes are disconnected,
cover every nozzle with caps
to prevent letting in dust and
moisture.
3
Release the indoor unit
from the installation plate.
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