Calibrating The Oil Scale; Calibration The A/C Presure - MasterCool 69789-220 Manuel D'instructions

CALIBRATING THE OIL SCALE

From the CALIBRATION MENU:
Select OIL SCALE and the following screen is displayed:
Empty the oil containers. Replace the empty containers in their lodgings, taking care not to
exert pressure on the scale, and press START. The following screen will be displayed:
Fill the new oil container with a known volume of new oil (from 100 a 250 cc measured on the
container measure marks). Replace the container in its lodging, taking care not to exert
pressure on the scale. Use keys 0 through 9 to type in the known oil volume, in cc, and press
START. Switch off the machine and disconnect it from the electrical supply.

CALIBRATION THE A/C PRESURE

Warning: This operation must be carried out only with the front service hoses empty. We
recommend running a brief RECOVERY phase before beginning calibration. Slowly unscrew
the blue front service hose, open the front taps, and check that both pressure gages read 0
bar. Switch the machine on. From the CALIBRATION MENU:
BOTTLE SCALE
OIL SCALE
A/C PRESSURE TR.
BOTTLE TEMPERATURE
Select A/C RESSURE and the following screen is displayed:
ZERO LEVEL
Open HP and LP
Levels
Press START
Press START to ZERO.
CALIBRATING THE BOTTLE TEMPERATURE
NOTE: A digital thermometer is required for bottle temperature sensor calibration. Check that
the bottle temperature probe is disconnected from the bottle and so capable of reading the
ambient temperature.
INSTRUCTIONS MANUAL
BOTTLE SCALE
OIL SCALE
A/C PRESSURE TR.
BOTTLE TEMPERATURE
ZERO LEVEL
Empty oil containers
Levels xxxxx
Press START
REFERENCE VALUE
xxxx cc
Levels xxxx
Press START
xxxxx
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