Grundfos DUOLIFT Series, Installation And Operating Instructions Manual

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4. Starting up the product
4.1 Starting up a product with a controller
Make sure that the controller is set correctly. See
section
3.20 Setting the controller before startup .
1. Make sure that all pipes and connections are
tight.
2. Switch on the controller.
3. Set the selector switch to "AUTO".
4. Open the isolating valves.
5. Flush a toilet or open a tap connected to one of
the inlets.
6. 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 a product 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. 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.
5. Storing the product
The tank must not be exposed to direct sunlight. UV
light can affect the properties of its composite
material, resulting in a shorter life.
For information on how to store the pumps and the
controller, see the installation and operating
instructions of the product.
6. Product introduction
6.1 Product overview
Fig. 22 Unolift 270 / Duolift 270
Fig. 23 Duolift 540
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.
TM
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TM
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068
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614
Pos. Description
1 Horizontal main inlets, DN 100
2 Mounting brackets
3
Connection, DN 40, for optional
diaphragm pump
4 Pump outlet
5 Holes for cable glands
6 Outlet for vent pipe,
∅
60
7 Vertical main inlet, DN 100
8 Hole for level sensor hose