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Calibrating The Pressure Transducer; Changing The Vacuum Pump Oil - Waeco 6300G Instrucciones De Uso

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14.6

Calibrating the pressure transducer

The pressure transducer has to be correctly calibrated in order to make accurate pressure measurements. Cali-
bration is required:
• Every four weeks
• If the A/C service unit 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
Short selection
Free selection
Other selections
ENTER-OK
2.
Depressurise the A/C service unit (as described in chapter
3.
Press ENTER to confirm.
4.
Use the cursor keys
Service.
5.
Press ENTER to confirm.
6.
Enter the password
2224
7.
Confirm Pressure transducer by pressing ENTER.
The device evacuates the service hoses.
8.
Unscrew the service couplings from the service hoses (7) and (8).
9.
Press ENTER to confirm.
The device equalizes with the ambient pressure.
10. Screw the service couplings and hand-tight onto the service hoses (7) and (8), taking care not to mix up the
red and blue markings on the couplings and hoses.
Note You can look up the current atmospheric pressure for your region on the Internet, for example at
www.weatherpro.com
11. Use the keypad to enter the current local atmospheric pressure and press ENTER to confirm.
12. When calibration has been completed, press ENTER to exit the menu.
13. Press STOP twice to access the standby menu.
14. To evacuate the service hoses, perform a short vacuum phase (see
14.7

Changing the vacuum pump oil

WARNING! Electrocution hazard Touching uninsulated parts may result in serious injury. Switch off the
A/C service unit and unplug it from the power supply before opening the housing. the A/C service unit
may only be repaired by personnel authorized by Dometic.
1.
Before changing the oil, let the vacuum pump run for about 10 min (manually, via the menu).
or
to select Other selections.
or
to select Service
----
.
under
.
air pressure
Changing the dryer filter
on page 29.
Free Selection
on page 23).
English
31

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