Automatic Internal Cleaning; Tank Filling - Bosch ACS 553 Originalbetriebsanleitung

en | 48 | ACS 553 | Initial settings
5.10

Automatic internal cleaning

At this point the station cleans its inner hoses before
proceeding with the settings.
1. Check the oil level in the vacuum pump through the
indicator.
1
Fig. 13: Checking the vacuum pump oil level
1 Open at the back of the station, to check the oil level through
the inspection port
2. When the message is displayed, connect the station
service hoses to the flushing connections.
3. Open the service hose connections turning the ring
nuts clockwise.
4. Select
.
"
The station cleans its internal hoses and then emits
a beep when the process is completed.
5.11 Tank filling
This procedure transfers refrigerant from an external
tank to the station internal tank. The operational
capacity of the internal tank is 8.8 kg.
i
Use the arrow buttons to move the cursor; use the
keypad to enter a value.
1. The station displays the fields to enter the desired
amount of refilling, the rechargeable amount of
refrigerant, and the amount of refrigerant which
can be recovered inside the internal tank.
2. Enter the desired amount of tank refilling and
select to proceed.
i
Add at least 4 kg (8.0 lb) of refrigerant to make
sure that the quantity available is enough for the
charge.
3. Connect the low pressure service hose (blue) to
the liquid fitting on the external tank.
4. Open the valve of the connection on the hose
turning the ring nut clockwise.
5. Place the external tank in such a way that the
refrigerant flows into the connection.
6. Open the external tank valve.
7. Select
to start filling the tank.
"
The station starts filling the internal storage tank.
This may take up to 35 ‒ 40 minutes depending on
ambient conditions and fill amount desired.
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i
The station stops when the specified amount of
refrigerant has been transferred to the internal tank
or when the external tank is empty.
8. Follow the instructions on the display.
9. Close the valve of the connection turning the ring
nut counterclockwise.
10. Close the external tank valve.
11. Select
to return to the Functions Menu.
"
The station is ready for operation.
i
It is necessary to complete the entire Initial Setup
sequence before using the station. If it is not
completed, this initial setup sequence is repeated
every time the station is switched on.
i
It is not necessary to calibrate the scale as it has
been calibrated at the factory.
i
When the tank is filled, the display does not show
the same quantity as the programmed one. The
display shows the amount of refrigerant available
for charging, equal to 1.0 kg less than the total
amount of refrigerant contained in the tank.
Robert Bosch GmbH