Removal Of Heat Exchanger - Daikin FTKS20CVMB Service Manual

Indoor Unit
1.5

Removal of Heat Exchanger

Procedure
Step
Conduct pump-down
operation.
Remove the installation
frame from the mounting
plate.
1 Remove the drain hose.
Make curing so that the
residual drain water will
not leak out.
2 Disengage the
insulation tube and
disconnect the flare
nuts for the gas line and
the liquid line.
3 Disengage the indoor
unit from the installation
plate.
162
Warning Be sure to wait 10 minutes or more after turning off all power supplies
before disassembling work.
Procedure
If gas leaks, repair the leak
location, then connect all
refrigerant from the unit.
Conduct vacuum drying, and
charge proper amount of
refrigerant.
Do not mix any gas (including
air) other than the specified
refrigerant (R-410A) into
refrigerating cycle.
(Mixing of air or other gas
causes abnormal
temperature rise in
Drain hose
refrigerating cycle, and this
(R2544)
results in pipe rupture or
personal injuries.)
Pay attention so that the
residual drain will not make
a floor dirty.
In case that a drain hose is
buried inside a wall, remove
it after the drain hose in the
wall is pulled out.
Use two wrenches to
disconnect pipe.
After pipes are
disconnected, close all pipe
openings with caps to
prevent dust and moisture
from entering pipes.
SiENBE04-401A
Points
Warning
Warning
Removal Procedure