Grundfos SCALA User Manual

English (GB)
6
3.5 Installation examples
Fittings, hoses and valves are not supplied with the
pump.
3.5.1 Mains water pressure boosting
Fig. 5 Mains water pressure boosting
3.5.2 Suction from a well
Fig. 6 Suction from a well
TM06 4347 2015
Pos. Description
1 Highest tapping point
2 Pipe hangers and supports
3 Isolating valves
4 Flexible hoses
5 Bypass valve
6
Optional pressure-reducing valve on the
inlet side if the inlet pressure can exceed
10 bar (145 psi)
7
Optional pressure-relief valve on the outlet
side if the installation cannot stand up to a
pressure of 6 bar (85 psi)
8
Drip tray. Install the pump on a small stand
to avoid the ventilation holes from being
flooded.
9 Pressure gauge
10 Mains water pipe
49
1
37
2
5
10
6
2
3
8
TM06 4349 2015
Pos. Description
1 Highest tapping point
2 Isolating valve
3
Inlet filter.
If the water can contain sand, gravel or
other debris, please install a filter on the
inlet side to protect the pump and
installation.
4 Foot valve with strainer
H1 Maximum suction lift is 8 m (29 ft)
H2
Inlet pipe must be submersed at least 0.5
m (1.64 ft)
H2 H1
4
3
2
1

Grundfos SCALA Specifications

General

Frequency	50/60 Hz
Maximum Suction Lift	8 m
Installation	Horizontal
Approvals	CE
Pumped liquid	Water