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VACUUM PUMP OIL CHANGE
From MAINTENANCE, select VACUUM PUMP OIL CHANGE, the
following screen will be displayed:
Press NO to exit or press YES to begin the VACUUM PUMP OIL
CHANGE, the following screen will be displayed:
Unscrew the fitting cap and drain the drain cap then remove
used oil from vacuum pump then press ENTER, the following
screen will be displayed:
Replace drain cap, refill vacuum pump with new oil to the center
of control glass then replace filling cap.
When done press ENTER to exit.
VACUUM PUMP
Perform the operations listed below on a routine basis in order to
ensure good operation of the vacuum pump.
When replacing the pump oil, use only the oil recommended by
the manufacturer. Contact your retailer for information
concerning the correct type of oil.
The vacuum pump oil must be replaced every 15 hours of
functioning and in any case every time the refrigerant filters are
replaced.
NOTE: Alarm message is visualized, to remove alarm message
refer to VACUUM PUMP OIL CHANGE paragraph.
The oil must also be replaced whenever it changes color due to
absorption of humidity. Before beginning the oil change
procedure, procure a container of at least 17 oz (500 cc) capacity
in which to collect the used oil. The pump contains about 14.9
oz (440 cc) of oil. Use only the oils recommended by the
manufacturer (consult your retailer). The use of a non-
recommended oil may impair the proper functioning of the
pump and void the warranty.
Disconnect the machine from the main supply.
Place a container (ref 4, Fig. 23). under the drain cap (ref 2, Fig.
23).
Unscrew the filling cap (ref 1, Fig. 24).
Replace drain cap, refill vacuum
pump with new oil to the center of
control glass then replace filling cap.
When done press ENTER to exit
R134a MAINTENANCE
VACUUM PUMP OIL CHANGE
Unscrew the fitting cap and
the drain cap then remove used oil
from vacuum pump
then press ENTER
R134a MAINTENANCE
VACUUM PUMP OIL CHANGE
R134a MAINTENANCE
Hours remaining (hh:mm)
XX:XX
Do you want to change the oil?
YES NO
VACUUM PUMP OIL CHANGE
2
FIG. 23
4
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