ACS 653, ACS 663 Service Manual
SP00D00624 2021-04-08 Robert Bosch GmbH
12
Introduction
The machine launches into the initial Setup
mode (the rst time the machine is powered up).
It is needed to complete all the setup
procedure sequence before to use the A/C unit.
Carry out the following setup:
1. Language selection.
2. License agreement review.
3. Units (Metric/Imperial) selection.
4. Date and Time adjustment.
5. Edit Print Header.
6. Identier setting (except the RI and R134a
variants).
7. Service Vacuum.
8. Internal Tank Fill.
At the end of the initial setup procedure it is
suggested to:
• Perform air ow calibration (for R1234yf
only).
1. Call up the Main Menu.
2. Select icon.
3. Select icon.
• Select to access the following
functions.
Performs a pressure test on an A/C system of
a vehicle with a refrigerant already present.
To search the leaks of the A/C system of a ve-
hicle by means of an external bottle of Nitrogen
or a mixture of nitrogen and hidrogen.
Flushes residual oil from the machine to prepare
for the service of next vehicle.
Provides a method of removing oil and impurity
by forcing liquid refrigerant through an A/C
system or components of an A/C system. After
ushing, the refrigerant is recovered by the
machine and ltered by the recycling circuit.
Use this function to transfer refrigerant from a
source tank to the ISV. The tank ll value may
be adjusted up or down to suit the user’s needs.
Refer to “Tank Fill” in the Maintenance section.
The vehicle air conditioning
system being serviced.
Moisture and other incondensables
are removed from an A/C system by using a
vacuum pump.
The tank
designed specifically for this machine has
refrigerant disposable capacity of 17.4 kg,
except the ACS 653 has a disposable capacity
of 19.4 kg.
Model No. ACS 653 or ACS 663.
Different oil types in the vehicle
air-conditioning system depending on the
vehicle manufacturer.
Refrigerant is recovered
from an A/C system, ltered, and stored in the
ISV.
R134a (ACS 653) or R1234yf.
A disposable tank
of new refrigerant used to rell the ISV; not
included.
indicates that the
Bluetooth connection is enabled.
to set which side to charge
thru (high pressure, low pressure or
both sides).
to set the unit of measurement
(ml or oz).
to set the unit of measurement
(kg, oz or lb).
to export data onto a USB key.
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