Service And Change Filters Alarm - MasterCool 69789-220 Gebrauchsanleitung

Close the bottle tap and press START. The machine will stop automatically after having
recovered the residual refrigerant from the hoses. Close the high-pressure tap. Disconnect the
external bottle. Switch the machine off.
MANUAL AIR PURGING
From the MAINTENANCE MENU:
Select MANUAL AIR PURGING and the following screen is displayed:
If the pressure xx.x bar flashes, this means that there is air in the bottle. If this happens press
START. The machine starts to purge the air making the bottle pressure drop. As soon as the
pressure returns within the parameters, the machine stops purging.
Press STOP to go back to the PREVIOUS MENU.
NOTE: Each time the bottle pressure reaches 18 bar the machine automatically discharges
non-condensable gas until the pressure drops to 16 bar.

SERVICE AND CHANGE FILTERS ALARM

Replace the filters whenever the machine gives the service alarm during the first ten seconds
of operation. Before performing any operation, check that the replacement filters are the same
type as those installed on the machine. Then proceed as described below (refer to Fig. 11):
1) Disconnect the machine from the electrical supply
2) Wear protective gloves and glasses
3) Remove the rear plastic cover from the machine.
4) Remove the used filter and install new one, respecting the direction of the arrow.
IMPORTANT: Filter replacement must be performed as quickly as possible in order
to avoid possible contamination by moisture in the ambient air.
NOTE: If possible, use an electronic leak tester to check the seal on the couplings of the
new filter.
5) Replace the rear plastic cover on the machine.
6) Reconnect the machine to the electrical supply and switch on.
7) Select MAINTENANCE, and enter SERVICE ALARM.
8) Key in the filter code to cancel the alarm. If the filter code is not available, call the
9) Recover about 500g of gas to charge the machine circuit.
10) Switch the machine off.
11) Disconnect the machine from the electrical supply.
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FILLING BOTTLE
Close external
bottle tap
Press Start
BOTTLE FILLING
MANUAL AIR PURGING
SERVICE ALARM
CALIBRATION
AIR PURGE
Press:
START to purge
STOP to exit
Service Center.
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INSTRUCTIONS MANUAL
xx.x bar
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