Waeco AirConServiceCenter ASC1000, Operating Manual, Page: 91 / 268

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91
AirConServiceCenter Service tasks
8.4 Calibrating the pressure transducer
The pressure transducer has to be correctly calibrated in order to make
accurate pressure measurements.
Calibration is required:
 every four weeks,
 if the AirConServiceCenter has been subjected to heavy shaking,
 every time the vacuum pump oil is changed,
 if the display shows implausible pressure readings.
1. In standby mode, use the cursor keys or to select
“Other selections ”:
2. Press ENTER to confirm.
3. Use the cursor keys or to select “Service ”:
4. Press ENTER to confirm.
5. Enter the password “2224 ”.
6. Select “Pressure transducer ” with ENTER .
7. Then follow the instructions in the display.
– Unscrew the service couplings ( 13 ) and ( 14 ) from the service
hoses ( 11 ) and ( 12 ).
– Use the keypad ( 7 ) to enter the current local atmospheric
pressure and press ENTER to confirm.
I
8. When calibration has been completed, press ENTER to quit the
menu.
9. Press STOP twice to go to standby mode.
10. Screw the service couplings ( 13 ) and ( 14 ) hand-tight onto the service
hoses ( 11 ) and ( 12 ), taking care not to mix up the red and blue mark-
ings on the couplings and hoses.
Short selection
Free selection
Other selections
ENTER-OK
Int.vessel filling
Flushing
Reset Scales.
Service.
NOTE
You can look up the current atmospheric pressure for your region on the
internet, for example at http://www.meteo24.de/wetter/ under “Luft-
druck”.