Flushing The Air Conditioning System - Waeco ASC 6300 G LE Instrucciones De Uso

13.9

Flushing the air conditioning system

Note The Flushing menu is used to flush the vehicle air conditioning system with fresh refrigerant.
Flushing is especially suitable for replacing old compressor oil or removing most metallic residue from the
system. Before flushing the refrigerant must first be extracted from the vehicle air conditioning system. Af-
terwards the system components which cannot be flushed must be disconnected from the refrigerant cir-
cuit (for example, the compressor or filter). After that the components to be flushed are connected to the
service ports of the A/C service unit using special adapters to form a flushing circuit.
1. Fit the connections of the A/C service unit to the vehicle air conditioning system, and open them.
2. In the basic menu use the cursor keys
Short selection
Free selection
Other selections
ENTER-OK
3. Press ENTER
4. If necessary, use the keypad to enter the data and press
press ENTER
5. Select Rec/Recycling phase (the setting flashes) and press
6. For the Pressure increase Test time, enter 1 min and press
7. Deselect Vacuum phase using No (the setting flashes) and press
8. Deselect Filling phase using No (the setting flashes) and press
9. Select Process start by pressing
10. After the extraction process is complete, disconnect the A/C service unit from the vehicle.
11. Disconnect the system components which cannot be flushed from the refrigerant circuit. These components
include:
• Compressor
• Line filter
• Fixed choke
• Collection containers
• Filter drying units
• Expansion valve
12. Connect the components for flushing to the service ports of the A/C service unit using special adapters and in
accordance with the manufacturer's specifications to form a flushing circuit.
Note Observe the guidelines on repairs from the vehicle manufacturer.
13. In the basic menu use the cursor keys
Short selection
Free selection
Other selections
ENTER-OK
14. Press ENTER
15. Use the cursor keys
Flushing
Reset scales.
Service.
ENTER-OK STOP-EXIT
16. If necessary, use the keypad to enter the data and press
press ENTER
to confirm.
to switch to the next program step.
ENTER
to confirm.
or to select Flushing.
to switch to the next program step.
or to select Free selection.
ENTER
to confirm. If no data has to be entered,
ENTER
ENTER
ENTER
ENTER
.
or to select Other selections.
ENTER
to confirm. If no data has to be entered,
to confirm.
to confirm.
to confirm.
to confirm.
EN
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