Waeco 9103303105, Operating Manual

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EN
16.
Replace the O-rings (E). Moisten new O-rings with refrigerant oil before installing.
17.
Insert the new dryer and tighten the screw to max. 15 Nm.
18.
Reconnect the power plug.
19.
Switch on the A/C service unit.
The inverter performs a self-test.
20. Reset the
R1234yf from system
counter ( Resetting the counters on page 28).
21. Perform a leak test ( Leak test on page 28).
14.5 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 A/C service unit is taken out of operation. Each
code only works once.
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 or to select
Other selections
.
Short selection
Free selection
Other selections
ENTER-OK
2. Depressurize the A/C service unit (as described in chapter Changing the dryer filter on page 31.
3. Press ENTER to confirm.
4.
Use the cursor keys or to select
Service
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).
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