ATB AQUAmax BASIC series Operation And Maintenance Manual page 14

Operation and maintenance manual AQUAmax
Current limits
Alarm pause
Sludge evacuation
Signal sound
ATB WATER GmbH, Südstraße 2, D-32457 Porta Westfalica, www.atbwater.com /
Art.-No.: 9060 0210 / Status: 30.01.2019 / Page 14 from 40
reaching the actual float switch tripping point. Thus an inadvertent
"false" level signal caused by water movements is prevented.
Sl back: Time for the excess sludge removal. This takes place once
during a cycle, immediately following an aeration.
Flush pulse: In order to free the clarified water pump of activated
sludge, which has collected in the casing during the aeration phase,
the pump is operated during the settling phase for the time set (with the
BASIC the number of the charging batches). Through the short-term
build-up of a head of water and the subsequent subsidence, the sludge
is driven out of the casing.
run-in phase: During the listed number of days no excess sludge
removal takes place.
Minimum/maximum current consumption of the
individual units below/above which an alarm
signal takes place.
If errors occur within the selected time interval
(max. 12 hours), then the acoustic alarm is
emitted only after run-out of this time.
With activation the aeration times are reduced by
20% for a period of six weeks (no further reduction
in winter operation).
Following successful activation this function is
blocked for six months.
Selection of the volume of the alarm
®
BASIC/CLASSIC
sound.