en
1.
Glossary
Recovery/Recycling phase
The coolant is removed from the vehicle
A/C system, cleaned and transferred
to the internal coolant cylinder on the
ACS 400/450 .
The recovered coolant oil is deposi-
ted in the waste oil reservoir on the
ACS 400/450 .
Vacuum phase
A vacuum is created in the vehicle A/C
system . Once the vacuum has been pro-
duced, the
drop measurement (leak test) is started .
Oil injection phase
Coolant oil is injected into the cooling
circuit of the vehicle A/C system .
Filling phase
A specified quantity of coolant is added
to the vehicle A/C system .
1 689 979 930 (2005-09-23)
message and pressure
-999
1.
Description of symbols
Symbol
Description
LED off .
Phase inactive
LED flashing .
Current phase active
LED on .
Phase complete .
High pressure or low pressure valve
closed .
High pressure or low pressure valve
open .
Interrupted signal tone .
Current phase complete .
ACS 400/450
Robert Bosch GmbH