Ecotechnics Premium ECK3900, Instruction Manual

Page: 105 / 992

INSTRUCTIONS MANUAL
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A/C PRESSURES CHECK
From MAINTENANCE select A/C PRESSURES CHECK, the following screen will be
displayed:
Connect and open the coupling connected to the A/C system, then press OK, press BACK to
return back; the following screen is displayed:
Turn on A/C system and check pressure using HP and LP manometers, then press OK:
Turn off A/C system and the vehicle’s engine, then press OK:
Unscrew HP coupling without disconnect it, then press OK:
Connect and open HP and LP coupling to A/C system
Press OK
Turn on A/C system and
check pressure using HP
and LP manometers
then press OK
Turn off A/C system and the
vehicle’s engine
then press OK
Unscrew HP coupling without disconnect
from A/C system, then press OK
R134a MAINTENANCE
A/C PRESSURES CHECK
R134a MAINTENANCE
A/C PRESSURES CHECK
R134a MAINTENANCE
A/C PRESSURES CHECK
R134a MAINTENANCE
A/C PRESSURES CHECK