Daikin RY24PEV1K, Руководство по обслуживанию

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SiK401004_A
MAINTENANCE 114
2. Removal of solenoid
valve
● Remove the solenoid valve from
4-way valve.
3. Disassembly of 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.
4. Removal of 4-way
valve
● Remove the old 4-way valve from the
pipe line.
5. Installation of New
4-way valve
● 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).
6. Assembly of solenoid
valve
● Assemble solenoid valve onto the new
4-way valve in order of disassembly.