Removal Of Indoor Heat Exchanger - Daikin FT15HV2S Service Manual

Si04-855

5. Removal of Indoor Heat Exchanger

Procedure
Step
1. Disconnect the refrigerant
piping.
Hold the indoor unit up
1
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.
Removal Procedure
Warning Be sure to wait for 10 minutes or more after turning off all power
supplies before disassembling work.
Procedure
Removal of Indoor Heat Exchanger
Preparation
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.
(R2793)
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
Drain hose
generate an over-pressure in
(R2794) refrigeration cycle, thus
resulting in pipe rupture or
accidental injury.
(R2795)
Liquid piping
Gas piping
(R2796)
Points
Remove the electrical box
according to the "Removal of
Electrical Box / PCBs /
Swing Motors".
Caution
Caution
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.
15