Wilo AF 22, Installation And Operating Instructions Manual, Page: 22 / 51

ENGLISH
16
Enabling the parameter input facility (in accordance with point
4.2.2: Changing parameters in the switchgear)
– Switch to standard display using keys or .
– Press keys
à à
in this sequence with a gap of at least
one second between each one.
After a brief pause the following text appears in the display
> select operational mode < , after which all parameters can be
changed.
– If no parameters are changed for 3 min., the parameter blocking
function is activated automatically by the unit.
3 Pump Nominal
Values
3.01 pump operat
> 0000123,00 h <
3.02 tank operat
> 0000103,00 h <
3.03 pipe operat
> 0000020,00 h <
Menu point Description
Pump operat ing time
Operating time via rain water
Drinking water operating time
Setting range Factory setting
4 disturbance
acknowledge
4.01 pump dry
running
4.02 switching
frequency
4.03 back pres-
sure at overflow
4.04 error at
water lev.sensor
4.05 error at
pressure sensor
4.06 error
alarm level
confirm error
with
Menu point Description
Pump dry running alarm. Unit is OFF until acknowledged.
Error message for more than 50 operating cycles per hour, after error release unit
OFF for 30 min. Error must be acknowledged.
Back-pressure alarm. Unit continues to operate in drinking water backfeed mode
until the cause of the error is removed and acknowledged.
Level sensor alarm. Unit continues to operate in drinking water backfeed mode
until the cause of the error is removed.
Pressure sensor alarm. Unit is OFF until the cause of the error is removed.
The alarm level set in menu 2.11 is exceeded.
Unit continues to operate in drinking water back-feed mode until the cause of the
error is removed.
Alternating with the error message and the operating status display of the unit, the
following text appears every 2 seconds
“confirm error with <OK>”.
Subject to technical alterations!
29135_Wilo_RainAF22_GB 26.05.2000 8:23 Uhr Seite 16 (1,1)