en - Original instructions
3.5
Intended use
HVAC:
Liquid transfer in heating systems
Liquid transfer in air-conditioning systems
Liquid transfer in ventilation systems.
Water supply:
Pressure boosting in commercial buildings
Irrigation systems
Water transfer for green houses.
Pumped liquids
Cold or warm water
Clean liquids
Coolants
Fluids chemically and mechanically compatible with
the materials of the pump unit.
Always observe the limits indicated in the Technical
Data chapter.
3.6
Improper use
WARNING:
The product was designed and built for the
use described in the section Intended use. It
is strictly prohibited to put the product to any
other use, in order to guarantee the safety of
the user and the efficiency of the same
product at all times.
DANGER:
It is strictly prohibited to use this product to
pump flammable or explosive liquids, or both.
DANGER: Potentially explosive
atmosphere hazard
The operation of the pump unit in
environments with potentially explosive
atmospheres or with combustible dusts (e.g.:
wood dust, flour, sugars and grains) is strictly
forbidden.
Examples of improper use
Pumping liquids that are not compatible with the
pump unit construction materials
Pumping hazardous, toxic, explosive, flammable or
corrosive liquids
Pumping liquids containing abrasive, solid, or
fibrous substances
Using the pump unit for flow rates beyond the
specified flow rates on the data plate.
Examples of improper installation
Hazardous locations, such as explosive or corrosive
atmospheres
Areas where the air temperature is very high and/or
there is poor ventilation
Outdoor installations where there is no protection
against rain or freezing temperatures.
18
3.7
Use in water distribution networks
for human consumption
Be careful when connecting the pump unit to a public
or private aqueduct, or to a well for the supply of water
for human and/or animal consumption.
WARNING:
It is prohibited to use the pump unit if it has
been previously used to pump fluids other
than drinking water
Take appropriate measures during
transport and storage to prevent
contamination from external substances
Remove the pump unit from its packaging
soon before installation and make sure that
it does not become contaminated
After installation, run the pump unit for a
few minutes with several users open in
order to wash the inside of the system.
3.8
Special applications
Contact Xylem or the Authorised Distributor in the
following cases:
If liquids with a density and/or viscosity value
exceeding that of water (such as water and glycol
mixture) must be pumped
If the pumped liquid is chemically treated (for
example softened, deionized, demineralized etc.)
Any situations different from the ones described and
relating to the nature of the liquid.
4
Installation
Precautions
Make sure you have read and understood the safety
instructions in the Introduction and Safety chapter
before starting work.
WARNING:
Always wear personal protective
equipment
Always use suitable working tools
When selecting the place of installation and
connecting the unit to the hydraulic and
electric power supplies, strictly comply with
current regulations.
WARNING:
When connecting the pump unit to a public or
private aqueduct, or to a well for the supply of
water for human and/or animal consumption:
It is prohibited to use the pump unit if it has
been previously used to pump fluids other
than drinking water
Remove the pump unit from its packaging
soon before installation and make sure that
it does not become contaminated
Observe all the requirements of the
authorities and companies concerned.