2. Symbols used in this document
Warning
If these safety instructions are not observed,
it may result in personal injury.
Warning
If these instructions are not observed, it may lead
to electric shock with consequent risk of serious
personal injury or death.
Warning
FM
These instructions must be observed for
explosion-proof pumps. It is advisable also to
follow these instructions for standard pumps.
If these safety instructions are not observed, it
Caution
may result in malfunction or damage to the
equipment.
Notes or instructions that make the job easier
Note
Note
and ensure safe operation.
3. General description
This booklet includes instructions for installation, operation and
maintenance of Grundfos SL1 and SLV submersible sewage and
wastewater pumps with motors of 1.5 to 15 hp (1.1 to 11 kW).
Grundfos SL1 and SLV sewage pumps are designed for pumping
domestic and industrial sewage and wastewater.
Two types of pumps are available:
•
SL1 sewage pumps with S-tube impeller
•
SLV sewage pumps with SuperVortex, free-flow impeller.
The pumps can be installed on an auto-coupling system or stand
freely on the bottom of a tank.
Grundfos SL1 and SLV pumps are designed with S-tube and
SuperVortex impeller, respectively, to ensure reliable and
optimum operation.
The booklet also includes specific instructions for the explosion-
proof pumps.
3.1 Product drawing
5
2
6
4
Fig. 1
SL1 pump
Pos.
Description
1
Lifting bracket
2
Nameplate
3
Oil screws
4
Discharge flange
5
Cable plug
6
Clamp
7
Pump housing
3.2 Control and monitoring
The pumps can be controlled via the Grundfos Dedicated
Controls, DC or DCD or Simplex (SLC) and Duplex (DLC)
controllers. See section
9.2 Pump
are supplied together with an IO 113. See section
3.3 Applications
SL1 and SLV pumps are designed for pumping these liquids:
•
large quantities of drainage and surface water
•
domestic wastewater with discharge from toilets
•
wastewater with a high content of fibres (SuperVortex
impeller)
•
municipal and commercial sewage and wastewater.
1
3
7
controllers. Pumps with sensor
9.6 IO
113.
5