Intended Use - Wilo Para Série Notice De Montage Et De Mise En Service

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Installation and operating instructions Wilo-Para

4 Intended use

High-efficiency circulators in the Wilo-Para series are
exclusively intended for circulating fluids in hot-water
heating systems and similar systems with constantly
changing volume flows.
Permitted fluids:
• Heating water according to VDI 2035
(CH: SWKI BT 102-01).
• Water-glycol mixtures* with a maximum of 50% glycol.
* Glycol has a higher viscosity than water. If admixtures
of glycol are used, the pumping data of the pump must
be corrected to match the mixing ratio.
NOTICE
Only introduce ready-to-use mixtures to the
system. The pump must not be used to mix fluid
in the system.
Intended use includes observing these instructions and
the specifications and markings on the pump.
Any use beyond the intended use is considered misuse
and will void any warranty claims.
WARNING!
Danger of injury or material damage from improper
use!
• Never use non-specified fluids.
• Never allow unauthorised persons to carry out work.
• Never operate the pump beyond the specified
limits of use.
• Never carry out unauthorised conversions.
• Use authorised accessories only.
• Never operate with phase angle control.
37

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