Gree A Series Service Manual page 125

A Series Modular-type Air-cooled (Heat Pump) Chiller
5. Replace it
with a new
one.
6. Tighten
coils, pipe
clamps and
rubber pads;
vacuum the
system;
recharge
refrigerant
and then put
back the
panel.
Note: properly reclaim refrigerant, prepare tools and keep good ventilation.
Steps
1. Remove front
panels.
Replacement of Vapor-liquid Separator
Image
120
(1)Solder pipes;
(2)Do charge nitrogen during
soldering;
(3)Protection measures should
be taken during soldering to
prevent surrounding objects
from being burnt out.
(1)The bulge of the coil should
match with the recess of the
main body of the valve;
(2)Keep the vacuum degree to —
1.0bar. Vacuuming period
would be longer for the repaired
unit;
(3)Charged refrigerant should be
the same as that stated at the
nameplate;
(4)Power off the unit and then
power it on again;
(5)Put back the panel.
Instructions
(1)Remove screws at the front
panel;
(2)Loosened screws should be
put together to avoid loss;
(3)Pull the front panel upwards
and then remove it;
(4)Properly keep the removed
front panel to avoid from being
damaged.
Note: there are two clasps at each
panel for connecting with side
panels.