41 7.5 Filter Maintenance - Bosch ACS 553 Originalbetriebsanleitung

en | 60 | ACS 553 | Maintenance
7.4 Tank filling
This menu item is used to transfer refrigerant from an
external tank to the internal tank.
The operational capacity of the internal tank is 8.8 kg.
Use the arrow buttons to move the cursor; use the
keypad to enter a value.
1. Call up the Main Menu.
2. Select
.
3. Select
.
4. Select Functions.
5. Select Tank Fill.
« The display shows
recoverable: xx.xxyy
rechargeable: xx.xxyy
6. Enter the quantity to recover, and select
i
Add at least 4 kg (8.0 lb) of refrigerant to make
sure that the quantity available is enough for the
charge.
7. Connect the low pressure service hose (blue) to
the liquid fitting on a full tank.
8. Open the valve of the connection on the hose
turning the ring nut clockwise.
9. Place the external tank in such a way that the
refrigerant flows into the connection.
10. Open the external tank valve.
11. Select
to start filling the tank.
12. The station starts filling the internal tank and stops
automatically when the tank fill level is reached.
i
To stop the filling before the set level is reached,
select and the procedure is temporarily
stopped. A message will appear on the display to
indicate the possibility of closing the procedure
permanently.
13. After filling, close the valve of the connection
on the low pressure hose turning the ring nut
counterclockwise. Close the external tank valve and
remove the hose.
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7.5 Filter maintenance
The filter retains acid and particles of certain
dimensions as well as the condensate in the
refrigerant. To meet the requirements for proper
removal of condensate and contaminants, the filter
must be replaced after 68 kg (150 lb) of refrigerant
have been filtered.
The station warns when the filter capacity of
56 kg (123 lb) is reached and stops operating when
the filter capacity is reached, that is 68 kg (150 lb)
WARNING: to prevent injuries while
working with the refrigerant, read and
follow the instructions and warnings in this
manual, and wear protective clothing, such
as safety glasses and gloves.
.
Filter residual capacity check
1. Call up the Main Menu.
2. Select
.
3. Select
.
4. Select Maintenance.
5. Select Filter Maintenance or when requested by
the station.
« The display shows
residual capacity xxx.xyy
« The station displays the residual capacity of the
filter before stopping the station.
6. Select
to replace the filter;
7. Select
to resume the station use.
WARNING: Station components are
subjected to high pressure. To prevent
injury, replace the filter only when
indicated by the station.
Filter replacement
1. If
has been selected to replace the filter, the
station requires entering the new filter code.
«
Enter the serial number of the new
2. Enter the serial number on the new filter with the
keypad and select
« The station cleans the existing filter and then
displays
i
If the wrong serial number is displayed, it means
that an incorrect serial number has been entered or
that the filter has already been used in the station.
to continue.
Disconnect power supply and
Robert Bosch GmbH