Starting Up The Product; Monitor The Increasing Liquid Level In The Tank Up To The Start Level And Check That The Pumps Start And Stop At Least Twice; Storing The Product - Grundfos DUOLIFT Series Installation And Operating Instructions Manual

4. Starting up the product

4.1 Starting up with a controller
Make sure that all pipes and connections are tight.
Make sure that the controller is set correctly. See
"Setting the controller before start-up" on page 15.
1. Switch on the controller.
2. Set the selector switch to "Auto".
3. Open the isolating valves.
4. Flush a toilet or open a tap connected to one of
the inlets.
5. Monitor the increasing liquid level in the tank up
to the start level and check that the pumps start
and stop at least twice.
4.2 Starting up without a controller
1. Make sure that all pipes and connections are
tight.
2. Open the isolating valves.
3. Switch on the power supply to the pump.
4. Activate a sanitary appliance connected to one of
the inlets.
5. Monitor the increasing liquid level in the tank up
to the start level and check that the pumps start
and stop at least twice.

4.3 Storing the product

CAUTION
Back injury
• Minor or moderate personal injury
• Get assistance from another person or
use lifting equipment to carry the
product.
CAUTION
Crushing of feet
• Minor or moderate personal injury
• Wear safety shoes when moving the
product.
4.4 Storing the product
The tank must not be exposed to direct sunlight. UV
can affect the properties of its composite material.
For storing the pumps and the controller, see the
installation and operating instructions for the
product.
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