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When pumping liquid, do not allow the Promax unit to operate with the input
valve too far open, causing the compressor to knock. Doing so may stall the
13. Run until minimum EPA or locally required vacuum is achieved.
a) Close the manifold vapor and liquid ports.
b) Close the Promax unit input port.
c) Leave the unit switched on and running.
14. Always purge the Promax unit after recovery is complete as noted below – DO NOT
switch off the unit.
Failure to purge the remaining A2L refrigerant from the Promax unit could result in:
a) A hazardous environment after use of this equipment and causes a hazardous
environment on the next use of this equipment.
b) The acidic degradation of internal components, ultimately causing premature failure
of the unit.
These instructions do not apply to model RG3000 unit as it does not include a purge feature;
nevertheless, the unit must be purged of any A2L refrigerant that remains inside after recovery
is complete.
Procedure for Purging Remaining Refrigerant from the PROMAX unit
Continuing from step 13. C) See above
1.
Turn the Recover/Purge valve (black) slowly from the Recovery to the Purge position.
2.
Run until a vacuum of at least -0,3 Bar is achieved.
3.
Close the ports on the recovery tank and the Outlet valve on the unit.
4.
Turn the unit OFF.
5.
Return the Recover/Purge valve to the Recover position.
6.
Disconnect and store all hoses.
7.
Replace the in-line filter on your Promax after every time excessive contaminant is
encountered.
8.
Make sure that the Promax unit has no remaining A2L refrigerant. This is very important
especially at the next use.
If not: do not use this equipment in combination with A2L refrigerants.
Bosch Automotive Service Solutions GmbH declines all responsibilities or claims
when Promax units are used improperly or not according all recommended/mentioned guidelines.
CAUTION
compressor.
PURGING YOUR PROMAX
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