Sinclair ASGE-09A Service Manual page 119

U-MATCH AIR CONDITIONERS
8. Vacuum pumping with
fluorin injection mouth
9. Refill of cooling medium
through fluorin injection
mouth
Disassembly and Assembly of 4-way valve
Remark: Make sure there isn't any refrigerant in pipe system and the power supply is cut off before removal of
the 4-way valve.
Step
1. Disassembly of solenoid
valve
2. Removal of
electromagnetic valve
Vacuum
pumping
through
process pipe
Vacuum
pumping
through
process pipe
Illustration
Disassemble
solenoid
valve
MAINTENANCE
●Pump
vacuum through
fluorin injection mouth.
●Refill cooling medium into
system through fluorin
injection mouth
●Volume of refilling should
be in accordance with the
requirement on the unit
nameplate.
Handling Instruction
●Cut off power supply and
reclaim cooling medium
properly.
●Disassemble
solenoid
valve with wrench.
●Take and remove solenoid
valve from 4-way valve.
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