Recover Refrigerant From A Vehicle - Bosch ACS 661 Manual Original

en 40 | ACS 661 | Operating Instructions
5.2

Recover Refrigerant from a Vehicle

Recover
WARNING: To prevent personal injury while
working with refrigerant, read and follow
the instructions and warnings in this manu-
al, and wear protective equipment such as
goggles and gloves.
!
Use only new oil to replace the oil removed during
the recycling process.
!
Dispose of used oil according to government regula-
tions.
1. Empty the oil drain bottle before starting a recovery.
2. Remove the oil drain bottle from the ACS 661 by
pulling the bottle straight down — do not use a twist-
ing or rocking motion.
1.
2.
Fig. 5: Removing the oil drain bottle
3. Connect the high-side (red) and low-side (blue)
service hoses to the vehicle A/C system.
4. Open the coupling valves on the hoses by turning
the collars clockwise.
5. Open the high-side and low-side panel valves on the
ACS 661's control panel.
6. Press the recover button on the control panel.
7. Press F1.
"
The ACS 661 begins the recovery process.
|
SP00D00171 2019-07-02
i
The clicking noise indicates the solenoid is opening
and closing — this is normal.
8. The ACS 661 runs a self-clearing cycle to clear any
internal refrigerant from its internal plumbing.
9. When the system has recovered to -.45 bar
(13 in/Hg), recovery is complete.
10. After recovery, the ACS 661 will perform an oil drain,
which may require up to 90 seconds to complete.
11. After the oil drain is complete, a summary is dis-
played of gas recovered and oil drained.
i
Print out recovery information and pre-recover diag-
nostics by selecting F1.
Press F2 to return to the Select Action screen.
!
The displayed recovered weight can vary depending
on ambient conditions and should not be used as an
indicator of scale accuracy.
i
Used oil separated from the recovered vehicle refrig-
erant flows into the used oil bottle.
i
The compressor oil in the fresh oil bottle (PAG
or POE) is used to refill the compressor oil in the
air-conditioning system.
12. The amount of oil that was removed from the A/C
system is the amount of new oil that should be
charged into the A/C system after evacuation is
complete.
"
Recovery is complete.
Robert Bosch GmbH