Gree A Series Service Manual page 132

3. Desolder
connection
pipes.
4. Take out the
main body.
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.
A Series Modular-type Air-cooled (Heat Pump) Chiller
(1)Desolder connection pipes
(2)Do charge nitrogen during de-
(3)Protection measures should
Take out the main body of the
electrostatic expansion valve.
(1)Solder pipes;
(2)Do charge nitrogen during
(3)Protection measures should
(1)The bulge of the coil should
(2)Keep the vacuum degree to —
(3)Charged refrigerant should be
(4)Power off the unit and then
(5)Put back the panel.
127
and then disconnect them with
the main body of the valve;
soldering;
be taken during soldering to
prevent surrounding objects
from being burnt out.
soldering;
be taken during soldering to
prevent surrounding objects
from being burnt out.
match with the recess of the
main body of the valve;
1.0bar. Vacuuming period
would be longer for the
repaired unit;
the same as that stated at the
nameplate;
power it on again;