Grundfos Conlift1 LS User Manual

English (GB)
5
5. Product introduction
5.1 Product description
Grundfos Conlift1 LS is a small, compact lifting
station with built-in-non-return valve.
5.2 Intended use
The Conlift is designed for the pumping of
condensate from the following:
• boilers
• air-conditioning systems
• cooling and refrigeration systems
• air dehumidifiers
• evaporators.
The Conlift is suitable for the pumping of condensate
which is collected below sewer level or which cannot
flow to the sewage system or drain of the building by
means of a natural downward slope.
The Conlift can pump condensates not requiring
neutralisation, i.e. with pH values of 2.5 or higher.
Condensates with pH values up to 2.5 must be
neutralised before they leave the Conlift.
Boilers fired with the following fuels normally supply
condensate with pH values up to 2.5:
• gas
• liquid gas
• low-sulphur fuel oil according to DIN 51603-1.
Irrespective of the capability of the Conlift, local
regulations may require the installation of a
neutralisation unit, even for pH values of 2.5 or
higher.
5.3 Operating mode
The Conlift is designed for maximum 60 starts per
hour.
S3 (intermittent operation): 30 % according to DIN
EN 0530 T1. This means that the system is running
for 18 seconds and is stopped for 42 seconds.
5.4 Handling of condensates
Condensates from condensate boilers are very
aggressive and will attack the material of the
building's sewage system.
In order to protect the sewage system, we
recommend that you use a neutralisation unit. The
neutralisation unit is included in Conlift2 pH+ and is
available as an accessory for Conlift1 and Conlift2.
See section 9. Technical data.
The local outlet regulations regarding condensates
from boilers must be met.
5.5 Marking and approvals
Marking
Approvals
WARNING
Biological hazard
Death or serious personal injury
- Use the product only to pump
condensates.
If Conlift is to be connected to a
pressure-reducing valve, observe the
boiler manufacturer's instructions.
When cleaning heat exchangers and
burner units of boiler systems, make sure
that no acid and cleaning residuals enter
the condensing unit.

Grundfos Conlift1 LS Specifications

General

Supply Voltage	230 V
Mains Frequency	50 Hz
Protection Class	IP24
Type	Condensate removal pump
Max Liquid Temperature	50°C
Housing Material	Plastic
Power Supply	230 V
Pumped Liquids	Condensate water
Outlet Connection	Multiple stepped hose connectors