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133
4. Remove the
compressor away
Remove the compressor away from
its base.
5. Place the new
compressor on the
base
a. Put the new compressor in the
right place.
b. Tighten the screws of the
compressor with a wrench
c. Never put the compress upside
down
6. Connect the
suction/discharge
pipes of the
compressor with
the system piping.
a. Connect the suction/discharge
pipes of the compressor by means of
gas welding.
b. During the welding, nitrogen
should be inflated and its pressure
should be 0.5±0.1kgf/cm
3
(relative
pressure)
c. Attention should be taken during
the heating to avoid the surrounding
objects burnt due to the high
temperature.
7. Connect the
power cord of the
compressor
a. Connect the power cord as
the reverse way of disconnection
mentioned above.
b. Tighten the cover of the
compressor with a screw driver.
8. Establish
vacuum through
liquid valve
Establish vacuum inside the system
through liquid valve.
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