Wow WAC 1200PLUS Instruction Manual page 12

6 – AUTOMATIC (machine w/ 7" touchscreen)
When flushing a system we recommend disassembling the filter and the expansion valve, in
the case of a traditional system, or only the capillary valve in the case of a flooded system. Use
the inlet to the evaporator as washing inlet and the outlet of the condenser as flushing outlet.
From MAINTENANCE, select A/C SYSTEM FLUSHING, the following screen will be
displayed:
NOTE: press for additional information about amount of gas
If needed, select the textbox to change the amount of refrigerant, type the new value; then
press OK to continue, the following screen will be displayed:
Connect the flushing kit as described previously, then press OK to begin the flushing operation:
The machine will proceed automatically, displaying the quantity of oil extracted and printing the
total volume at the end of flushing. When flushing is completed, the following screen is
displayed:
Press OK, disconnect all the couplings and disconnect the machine from the power supply
INSTRUCTIONS MANUAL
R134a
A/C SYSTEM FLUSHING
Amount of gas to use for every cycle:
R134a
connect flushing-kit as illustrated
below and press OK
FLUSHING KIT CONNECTION
R134a
A/C system flushing in progress...
A/C system pressure - 0.7 bar (rel)
CHECKING LEACKS IN VACUUM
A/C SYSTEM FLUSHING
R134a
End of flushing
CHECKING LEACKS IN VACUUM
FLUSHING – OPERATION COMPLETED
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MAINTENANCE
MAINTENANCE
MAINTENANCE
MAINTENANCE