Daikin RY24PEV1K Service Manual page 121

SiK401004_A
6. Connection of suction
and discharge pipe with
pipeline system
7. Connection power
supply wires of
compressor
8. Vacuumization by
fluorin-feeding nozzle
9. Recharge refrigerants
by fluorin-feeding
nozzle
Disassembly and Assembly of 4-way valve
Remark : Make sure that there isn't any refrigerant in pipe system and the power supply is cut off before removal
of 4-way valve.
Step
1. Disassembly of
solenoid valve
113
Weld suction
and discharge
pipe of
compressor
Illustration
●Heat the suction and discharge pipe
with gas welding before removing
compressor.
●Provide nitrogen protection during gas
welding and the nitrogen pressure
should be 0.05±0.01Mpa (relative
pressure)
●Please pay attention to heating in case
that surrounding materials should be
burnt by high temperature.
●Assemble the power supply wires onto
right position according to the order of
disassembly.
●Screw down the retaining screw for the
power supply wires with screwdriver.
●Vacuumize the system by
fluorin-feeding nozzle
●recharge refrigerants to the system by
fluorin-feeding nozzle
●Volume of refilling should be in
accordance with the requirement on the
unit nameplate.
Handling Instruction
●Cut off power supply and reclaim
refrigerants properly.
●Disassemble solenoid valve with
wrench
MAINTENANCE