Gree LSQWF130M/N-M, Service Manual

Page: 48 / 58

AIR COOLED SCROLL CHILLER MAINTENANCE
45
Removal and Inatallation of Filter
Remark: Check the various wirings of refrigerant system. If replacement of expansion valve is confirmed, cut off
power of the unit to reclaim refrigerant.
Step Illustration Handling Instruction
1. Reclaim the
refrigerant.
z Cut off power of
the unit.
z Reclaim the
refrigerant.
2. Remove the filter. z In order to
ensure
completeness of
filter, wrap the
filter with wet
cloth.
z Unsolder the
filter with the
welding gun.
3. Replace the new
filter.
z Replace the new
filter with the
same model.
z Wrap the new
filter with wet
cloth and then
install it.
Connect the
connection pipe.
z Weld it with
welding gun.
Notice: Charge
nitrogen into the pipe
during welding.