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Outdoor Unit: 2MXS18GVJU
SiUS12-928_B
217
Removal Procedure
1.7
Removal of Four-Way Valve / Defrost Solenoid 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
Remove the screw and
remove the four way valve
coil.
Warning
Be careful not to burn yourself
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
For 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. It is required to prevent the
carbonization of the oil inside
the four-way valve and the
deterioration of the gaskets
affected by heat. Keep below
248°F(120°C). Wrap the four-
way valve with wet cloth and
provide water so that the cloth
does not dry.
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.
2
Remove the screw and
remove the defrost
solenoid valve coil.
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 the 4 brazed points
of the four-way valve.
Disconnect the point (a)
first.
4
5
Disconnect the points (b)
and (c).
Disconnect the point (d)
and remove the four-way
valve.
(R10370)
Defrost solenoid
valve coil
Four way
valve coil
(a)
(R2201)
(R2202)
(c)
(d)
(b)
Содержание SUPER MULTI NX CTXS07JVJU
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