Starting Up The Product After Standstill; Servicing The Product - Grundfos UNOLIFT Series Installation And Operating Instructions Manual

7.1.3 Setting the start levels with a lever arm
Lever
arm
position
Unilift KP 150
Unilift KP 250 High*
Unilift KP 350
Unilift CC 5 -
Unilift CC 7 -
Unilift CC 9 -
Low
Unilift AP35/50B Middle
High
* Unilift KP: Use only the high position. See fig. 27.
Fig. 27 Lever arm on Unilift KP
22
8. Starting up the product after
Start Stop
If the lifting station has been stopped for a long time,
[mm] [mm]
for example in a holiday house during winter, you
must remove any hard deposits from the bottom of
the tank.
250 50
If you hear a unusual noise when the pumps start,
the pumps may blocked. Close the isolating valve on
260 60
the inlet side and remove the blockage before you
start the system again. You may need to dismantle
211 89 the pump. See section

9. Servicing the product

247 125
290 170
330 210
380 260
According to EN 12056, lifting stations in family
houses must be maintained at least once a year, in
blocks of flats twice a year and in commercial
buildings four times a year.
We recommend that you enter a maintenance
contract with Grundfos to ensure a consistent
operational safety of the system.
Regular checks of the system must include the
following:
•
•
•
•
For pump maintenance, see the installation and
operating instructions of the pump. It is easy to
remove the pumps from the tank thanks to the
flexible connecting pipes and clamps.
standstill
12. Fault finding the
WARNING
Biological hazard
Death or serious personal injury
- Wear protective gloves, close the
isolating valves and drain the tank
before you start any work on the tank.
Check for deposits at the bottom of the tank.
Check for leakage.
Check that the float switch, if any, can move
freely.
Check that the pump is in correct position.
product.