Entry With Programming; Of Individual Phases - Bosch ACS 400 Betriebsanleitung

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..10. Operation in automatic mode
10. Entry with programming of individual
phases
i
Before starting the process, refer to section
9 "Preparation for A/C service"

For setting parameters for service on the
vehicle A/C system, refer to the vehicle
documentation or the vehicle-specific
repair manual .
LEDs
Display
R 134a V
06:780
PrWAU
20
inWoil
00:700
00:600
-5WWA-
00:000
-5WWC-
-CWW0-
-5WWP-
20:00
-999
-PWWA-
inWoil
inWoil
inWoil
inWoil
-PWWA-
00:000
00:000
00:600
06:l80
If a lower value than 00.700 kg is displayed, this is because there is not sufficient coolant in the internal coolant cylinder for filling.
1)
1 689 979 930 (2005-09-23)
Valve position
Signal
Button
R 134a LP HP
tone
V
E
E
E
E
E
V
(3 sec .)
V
Vacuum time in min is displayed . Use recommended setting .
Change vacuum time with

Oil injection phase active .
in oil = Oil injection phase active .
no oil = Oil injection phase deactivated .
Change setting with or

Default setting 00 .700 kg
1)
Set required filling quantity (e . g . 00 .600 kg) with

Recovery/recycling phase begins .
Important! On vehicles with low pressure connection only, only
open LP valve .
Display increases until no more coolant is present in the vehicle A/
C system .
Collected coolant oil from the vehicle A/C system is transferred to
the waste oil reservoir . Waiting time 3 min .
Vacuum is generated in ACS 400/450 . Waiting time 1 min .
Display appears for approx . 3 sec .
Vacuum phase begins . Remaining time is displayed .
Pressure loss measurement (leak test) is performed . Waiting time
4 min .
Stoppage approx . 3 sec .
Oil injection phase is active .
Read off oil level in waste oil reservoir .

Add new coolant oil to fresh oil reservoir . Quantity corresponds to

oil level in waste oil reservoir .
Hold down button until all the coolant oil from the fresh oil reser-

voir has been added to the vehicle A/C system .
For vehicle A/C systems that are only fitted with a low pressure

connection, before filling is started the A/C system must be swit-
ched on in the vehicle, the A/C system temperature must be set to
its maximum and the fan must be set to its highest level .
Stoppage approx . 3 sec .
Filling phase is active . Display flashes for approx . 3 sec .
Vehicle A/C system is filled with coolant . Display increases until the
set filling weight (e . g . 00 .600 kg) is reached .
Filling phase complete . Display flashes .
Remaining quantity in internal coolant cylinder is displayed . Service
on vehicle A/C system is complete .
ACS 400/450
Comments:
or
is displayed .
or
Robert Bosch GmbH
.