Daikin RY24PEV1K Service Manual page 122

2. Removal of solenoid
valve
3. Disassembly of 4-way
valve
4. Removal of 4-way
valve
5. Installation of New
4-way valve
6. Assembly of solenoid
valve
MAINTENANCE
●Remove the solenoid valve from
4-way valve.
●Heat connection pipes for 4 pipes of
4-way valve with gas welding before
removal of 4-way valve.
●Record the direciton of the 4-way
valve and installation postition of each
pipe before welding away 4-way valve.
●Remove the old 4-way valve from the
pipe line.
●Position accurately the new 4-way
valve.
●Connect new 4-way valve with pipe
line.
●Wrap the valve with wet cloth when
welding 4-way valve in case sliding
block inside the valve should be burnt
and water flow into the pipe line.
●Welding with nitrogen and the nitrogen
pressure shall be 0.05±0.01Mpa
(relative pressure).
●Assemble solenoid valve onto the new
4-way valve in order of disassembly.
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