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Si12-619A
Outdoor Unit – E Series (68 / 71 / 75 Class), D Series
Removal Procedure
315
2.7
Removal of the
Four Way Valve
,
Solenoid Valve
and
Shunt
Procedure
Warning
Be sure to wait 10 minutes or more after turning off all power supplies
before disassembling work.
Step
Procedure
Points
1
Remove one screw of
the four way valve coil.
Reassembling precautions
1. Use non-oxidizing brazing
method. If nitrogen gas is not
available, braze the parts
speedily.
2. Avoid deterioration of the
gaskets due to carbonization
of oil inside the four way
valve or thermal influence.
For this purpose, wrap the
four way valve with wet
cloth. Splash water over the
cloth against becoming too
hot (keep it below 120°C).
In pulling the pipes, be
careful not to over-tighten
them with pliers. The pipes
may get deformed.
If the gas welding machine fails
to remove the four way valve,
take the steps below.
1. Disconnect the brazed pipe
sections that are readily
easy to separate and join
together later.
2. With a small copper tube
cutter, cut off the internal
pipes to easily take out the
four way valve.
Note:
Never use a hack saw. The
sawdust may come into the
circuit.
2
Remove one screw of
the solenoid valve coil.
Before taking this
procedure, make sure
there is no refrigerant gas
left in the refrigerant
pipes.
3
Place welding
protective sheet or iron
plate around the four
way valve to prevent
the flames of a gas
welding rod from
affecting the valve.
4
Heat the 4 brazed
points of the four way
valve. Disconnect the
point (a) first.
5
Disconnect the points
(b) and (c).
6
Disconnect the point
(d).
Содержание 3MKS50DVM
Страница 1: ...Si12 619A Applied Models Inverter Multi Cooling Only Inverter Multi Heat Pump D Series E Series ...
Страница 13: ...Introduction Si12 619A xii ...
Страница 89: ...Printed Circuit Board Connector Wiring Diagram Si12 619A 76 Printed Circuit Board Connector Wiring Diagram ...
Страница 131: ...Control Specification Si12 619A 118 Function and Control ...
Страница 146: ...Si12 619A Instruction Operation Manual 133 Duct Connected Type Names of parts Indoor Unit 3 6 8 9 10 7 1 4 5 2 ...
Страница 213: ...Instruction Si12 619A 200 Operation Manual ...
Страница 283: ...Check Si12 619A 270 Service Diagnosis ...
Страница 302: ...Si12 619A Outdoor Unit E Series 50 52 58 Class Removal Procedure 289 Step Procedure Points ...
Страница 385: ...Wiring Diagrams Si12 619A 372 Appendix FTK X S50 60 71FVLT ...
Страница 399: ...Si12 619A vi Index ...