Instruction Booklet KHEOS PLUS
20 ENGL ISH
EN
Caution: to fill the system with oil and UV tracer, it must be in vacuum mode, otherwise filling will not be performed.
When the vacuum is low, the cycle may be started but then it will be locked when the pressure difference levels out.
- Select “Manual” and press “OK” button to confirm.
The refill unit will directly suggest a fixed quantity of gas (500g), and the grams of oil calculated on the quantity of refrigerant gas
set. To change the gas quantity and the new oil quantity, move the cursor “>” to the items involved “Gas”-“Oil”, press “OK” button
to select it and use the
“
+ ↑
” and “
- ↓
” buttons
to edit the value. Changes are made in 5 grams steps for gas quantity and 1 gram
steps for the new oil.
- Select “Start cycle” and press “OK” button to continue.
The refill unit beeps and display shows the message “Oil: XXXXg”. It means that, if necessary, it’s possible to refill the A/C car
system with new Oil; the new Oil quantity is shown by the display and it’s the same value view during the car selection.
- Press and hold on “OK” button to refill the new Oil and check the level in the new oil bottle (OIL IN).
- Release “OK” button when the correct amount of new oil has been filled.
- Press “ESC” button for the next step.
The refill unit beeps again.
- Press “OK” button to continue.
The refill unit automatically continues with the gas charge process.
If an error occurs, the display will show the associated message and give an acoustic signal. Press the “ESC” button for 2 seconds
to exit
At the end of the cycle, you will be prompted to print the report, if this feature is present.
- Press “OK” button to print or “ESC” button to return to the main menu.
Changing gas quantity, new oil quantity and vacuum time
To change a quantity, move the cursor “>” to the item involved (Fig.5), press OK to select it and use the “+ ↑” and “- ↓
” buttons to change the value. Changes are made in 5 g steps for gas, in 1 gram steps for new oil and in 5 minutes steps for
vacuum. To disable an item, set the value to zero.
Use only PAG or ESTER oils for lubrication of automotive A/C systems containing R134a refrigerant.
In the event of improper use of the unit, with consequent oil contamination, switch the unit off immediately and
contact our Technical Service Dept.
Do not use solvent based additives.
Do not use sealing liquids
- Oil must be charged as described in the 5.7 operation, through which they will be drawn up due to the vacuum formed, before
pressing the OK button for gas charge.
Avoid pulling out the containers as much as possible to reduce the entry of humid air from the outside.
5.8 Pipe draining procedure
1. When the procedure has been completed, keep the high and low pressure pipes connected, close the HP and LP valves, start the
vehicle’s engine and wait a few minutes for the A/C system to reach full power.
2. If there is only one service point, close the HP or LP valve used and disconnect the pipe from the vehicle.
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