15
Menu 3: Sludge pump (optional)
(Sludge pump SLP=0 to 9, t=0 to 60min)
This setting determines the weekly cycle of sludge pumping and the duration of the pumping.
Note: This function is crucial only for MBR applications where solid material content must be
minimised in the Bioreactor (for background knowledge Link Chap. 1). This function is not
required for other applications. In these other cases the sludge pump feature is deactivated on
the controller. (SLP=0, corresponds to factory settings)
•
SLP = 0 (Weeks)/ t=0 min The sludge pump is not activated with this setting
•
SLP = 1 to 9 (Weeks): The pump frequency is set from 1 to 9 weeks for 24h with this
setting. Then the sludge pump starts at specified period t. Aeration runs at the same
time. If the pump runtime is interpreted by "BR min – ", it restarts with "BR min + ". This
mode is left if the sludge pump has worked for the entire running period t.
Recommendation: The running time t should be selected in such a way so that the
pump pumps out at least half the bioreactor volume.
Menu 4: Test menu
(Test menu for blower, suction pump, back flushing pump and sludge pump)
The blower (air), suction pump (suction pump) back flushing pump (back flush pump) and
sludge pump (sludge pump) can be separately controlled and tested via the test menu. The
test mode can be terminated at anytime with NEXT/ENTER. The time until automatic stop (max.
6 min) is shown on the display by a count-down stopwatch.
A test can be performed anytime, however there must be sufficient water for pump activation
(BR min +). If the water level falls below minimum, (BR min -) then the display shows that a
pump test is not possible.
Menu 5: Status overview
(Status Overview: Status 1 to 4)
The overview mode can be viewed at anytime. All other activities, such as aeration mode and
pump frequency, continue in the background. All current settings and operating status can be
viewed in this mode.
Status 1:
Number of membranes:
MEM
: 1
Aeration settings:
AIR ON/OFF : 5 / 10 min
Suction overflow:
Overflow
: 1 week
Status 2:
Sludge pump:
SLP
: 5 / 20
Pressure sensor Pumps:
P(ADr)
: -1,200 bar
Pressure sensor blower:
P(ADg)
: -1,200 bar
