Instruction Booklet KHEOS
22 ENGLISH
EN
5.11 A/C SYSTEM FLUSHING
This function is designed to remove oil and residues that may be carried over by the refrigerant R134a.
Connect the external flushing KIT (available for purchase at our sale outlets).
Do not flush the A/C system without first connecting the external flushing kit.
Conditions for starting the operation: Min. 4 kg refrigerant in the cylinder and no pressure in the vehicle.
Press “OK” to start the cycle. The filter life counter included in the external flushing kit used for this function appears. To clear the
counter press the “OK” and “-“ buttons simultaneously. Press OK to continue and choose whether to perform the kg-based flushing
(from Min 5kg to Max 10kg refrigerant flushed into the A/C circuit) or the automatic function by simply choosing the vehicle from
the database.
Press OK to start the process, which includes refrigerant charge and discharge cycles followed by recovered oil discharge cycles.
Once the cycle has been completed, press ESC for 2 sec. to exit.
When you exit the operation, you will be prompted to print the report, if the printer is present. Press OK to print or ESC to return to
the main menu.
6. “SERVICE” menu
6.1 “Operator” service menu
Operator: person trained to use the machine (trained directly/indirectly by DENSO staff)
The basic settings enable immediate operation of the unit in every phase.
- This menu includes all the functions needed to use and customise the unit to best suit your needs.
Use the “+ ↑ ” and “- ↓ ” buttons to select “SERVICE” in the main menu, then press “OK”.
- “Pressure in cylinder >7 Bar”. This function is used to increase cylinder pressure through a combination of operations. Close
the HP and LP valves, then press “OK” to start the cycle. The letter P. displays cylinder pressure during cycle. When pressure
exceeds 7 Bar, the cycle stops.
- “View parameters”. By accessing this option, all the current values of the unit sensors are displayed with the relative symbols:
G: Kg gas in cylinder; P: bar value of the pressure sensor positioned after the HP and LP valves. Press ESC for 2 sec. to exit.
- “Replace filter”. Use this function when the filter need to be replaced (see routine maintenance).
- “Recovery counter”. This option shows the kg of refrigerant gas recovered. This is shown by the partial counter, which
automatically resets after changing the filter, and the total counter, which follows the life of the unit and cannot be reset. “n”
indicates the number of times the filter have been replaced. % indicates the degree of filter wear (100% end of use).
- “Vacuum pump hours”. This function shows the hours of operation of the vacuum pump. This is shown by the partial counter,
which follows the oil changes, and the total counter, which follows the life of the unit and cannot be reset (see routine maintenance).
% indicates pump oil use (100% end of use).
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