Si04-855
Removal of Indoor Heat Exchanger
Removal Procedure
15
5. 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 electrical box
according to the “Removal of
Electrical Box / PCBs /
Swing Motors”.
Caution
If the refrigerant leaks, repair
the spot of leaking, then
collect all refrigerant from the
unit. After conducting
vacuum drying, recharge
proper amount of refrigerant.
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.
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.
Carry out the removal works
with 2 wrenches.
When the pipings are
disconnected, protect both
the openings of pipe and unit
from entering of moisture.
1
Hold the indoor unit up
with a piece of wood
etc.
2
Pull out the drain hose.
3
Unscrew the flare nut
for gas piping.
4
Unscrew the flare nut
for liquid piping.
(R2793)
Drain hose
(R2794)
(R2795)
Liquid piping
Gas piping
(R2796)
