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Si041138
Removal of Indoor Heat Exchanger
Removal Procedure
25
9. Removal of Indoor Heat Exchanger
Procedure
Warning
Be sure to wait for 10 minutes or more after turning off all power
supplies before disassembling work.
Step
Procedure
Points
1. Disconnect the refrigerant
piping.
Preparation
Remove the drain pan unit
according to the “Removal of
Drain Pan Unit / Swing
Motor.”
Caution
From the viewpoint of global
environmental protection,
make sure to use a vacuum
pump for air purging.
1
Remove the 2 screws
which fix the indoor
heat exchanger to the
installation plate.
2
Lift the indoor unit with
a wooden base.
Caution
In pump-down work, be sure
to stop the compressor
before disconnecting the
refrigerant pipe. If the
refrigerant pipe is
disconnected with the
compressor operating and
the stop valve open, air may
be sucked in and may
generate an over-pressure in
refrigeration cycle, thus
resulting in pipe rupture or
accidental injury.
3
Pull out the drain hose.
(In the case of left
piping)
Place a plastic sheet under
the drain pan to prevent from
wetting the floor with
remaining drain.
If the drain hose is
embedded in the wall,
disconnect the drain hose
beforehand.
4
Disconnect the pipings.
Carry out the removal work
with 2 wrenches.
When the pipings are
disconnected, protect both
the openings of pipe and unit
from entering of moisture.
(R4396)
(R4397)
Drain hose
(R4398)
(R4399)