Product Introduction; Product Description; Intended Use; Operating Mode - Grundfos Conlift1 Montage- Und Betriebsanleitung

5. Product introduction

5.1 Product description

Grundfos Conlift1is a small, compact lifting station
with a built-in non-return valve.
The lifting station incorporates a printed-circuit board
(PCB) with a safety device enabling an alarm
function and additional pump start in case of
overflow.
The pH+ Box is a neutralisation unit designed to
neutralise the acid condensate coming from gas- and
oil-powered boilers and is available as accessory.
See section 9. Technical

5.2 Intended use

Conlift is designed for the pumping of condensate
from the following:
• boilers
• air-conditioning systems
• cooling and refrigeration systems
• air dehumidifiers
• evaporators.
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.
WARNING
Biological hazard
Death or serious personal injury
- Use the product only to pump
condensates.
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 should be
neutralised before they leave 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 Conlift, local
regulations may require the installation of a
neutralisation unit, even for pH values of 2.5 or
higher.
8
data.

5.3 Operating mode

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

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.
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 the neutralisation unit pH+ Box. See section
9. Technical data.
The local outlet regulations regarding condensates
from boilers must be met.

5.5 Marking and approvals

Marking
Approvals