en – Original Instructions
12 ecocirc PRO – Installation, Operation and Maintenance Manual
3.6 Intended use
Circulation pump for domestic hot water systems.
If hot water is not used for longer periods of time, the water in the hot water pipe cools off.
Domestic hot water pumps (also called sanitary or drinking water circulation pumps) pump this
cold water back into the water heater via a separate circulation pipe (see
Figure 4 on page 15).
At the same time fresh hot water is flowing out of the water heater and provides a constant
supply of hot water at the tap.
The ecocirc PRO series drinking water circulation pumps are suitable for single- and two-family
homes with a circulation pipe length of approx. 50 m.
Pumped liquids
NOTICE:
This circulator is suitable for drinking water only – EU Regulation No. 622/2012
For use with alternative circulating fluids (e.g. in special OEM applications) contact Xylem or the
Authorised Distributor.
The liquids must be:
• Clean
• Free of solid – especially metallic - particles or fibres
• Free of mineral oils
• Chemically and mechanically non aggressive
• Non-flammable
• Non-explosive
Observe the operating limits in
Technical Information on page 29.
prohibited to pump drinking water after use with other fluids.
WARNING:
Take appropriate measures during transport, installation and storage to
prevent contamina
tion
from external substances
.
WARNING:
Remove the unit from
its packaging just before installation to prevent contamina
tion from
external substances
.
WARNING:
After installation, run the unit for
a few minutes with several utilities open in order
to wash the
inside of the
system.
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