Daikin RKN25KEVM, Процедура удаления

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Removal of Electronic Expansion Valve Si001170
18 Removal Procedure
5. Removal of Electronic Expansion Valve
Procedure Warning Be sure to wait for 10 minutes or more after turning off all power
supplies before disassembling work.
Step Procedure Points
1
Pull out the electronic
expansion valve coil.
2 Remove the putty.
Warning
Be careful not to get yourself
burnt with the pipes and other
parts that are heated by the
gas brazing machine.
Warning
If the refrigerant gas leaks
during work, ventilate the
room. (If the refrigerant gas is
exposed to flames, toxic gas
may be generated.)
Caution
From the viewpoint of global
environment protection, do
not discharge the refrigerant
gas in the atmosphere. Make
sure to collect all the
refrigerant gas.
Cautions for restoration
1. Restore the piping by non-
oxidation brazing.
2. Avoid excessive heating.
(Keep below 120°C)
In case of difficulty with gas
brazing machine
1. Disconnect the brazed part
where is easy to disconnect
and restore.
2. Cut pipes on the main unit
with a tube cutter in order to
make it easy to disconnect.
„
Before working, make
sure that the refrigerant
gas is empty in the circuit.
„
Be sure to apply nitrogen
replacement when
heating up the brazed
part.
3
Heat up the 2 brazed
parts. Remove the
electronic expansion
valve.
Electronic
expansion valve
(R15009)
(R15010)
Brazed part
Electronic
expansion valve
(R15011)