AirConServiceCenter
9.4.1 Entering the filter code
To reset the filter counter, you need to enter a 12-digit code. This special
code is located on the new filter. A "Code entry" prompt appears in the
menu. If a code is not entered, the unit is taken out of operation. Each
code only works once.
9.4.2 Leak test
After changing the filter, perform a leak test with an approved testing de-
vice.
9.5
Calibrating the pressure transducer
NOTE
I
The pressure transducer has to be correctly calibrated in order to make
accurate pressure measurements.
Calibration is required:
Every four weeks
If the AirCon Service Center has been subjected to heavy shaking
Every time the vacuum pump oil is changed
If the display shows implausible pressure readings
1. In the basic menu, use the cursor keys
tions":
2. Depressurise the unit (as described in 9.3 on page 108).
3. Press ENTER to confirm.
4. Use the cursor keys
5. Press ENTER to confirm.
6. Enter the password "2224".
7. Confirm "Pressure transducer" by pressing ENTER.
8. Then follow the instructions in the display.
Unscrew the service couplings (14) and (15) from the service
hoses (12) and (13).
Use the keypad (7) to enter the current local atmospheric pressure
and press ENTER to confirm.
EN
Short selection
Free selection
Other selections
ENTER-OK
or
to select "Service":
Int. vessel filling
Flushing
Reset scales.
Service.
Service tasks
or
to select "Other selec-
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