DC INVERTER U-MATCH AIR CONDITION MAINTENANCE
162
4. Remove the
oil-liquid
separator
● Remove the oil-liquid
separator from the unit.
5. Install a new
oil-liquid
separator
● Put the new oil-liquid
separator to correct position.
6. Connect the
inlet and out
pipes of the
oil-liquid
separator to the
system pipeline
● Use gas welding to weld
the inlet and outlet pipes of
oil-liquid separator.
● Weld by charging nitrogen
for protection, with the
nitrogen pressure kept at
0.5±0.1kgf/c (relative
pressure).
● During heating, take care
to prevent the substances
around from burn due to high
temperature.
7. Install the
fixing clamp to fix
the oil-liquid
separator onto
the support
● Use screwdriver to loosen
the screws fixing the oil-liquid
separator.