Field Of Application; Types Of System; Pumped Liquids - Askoll ENERGY SAVING ES2 Installation And Operation Instructions Manual

5 Field of application

5.1 Types of system

Models Uses
Circulation of water/liquids in hot water heating systems of all kind and in
similar systems:
ES2
ES C A
Circulation of water/liquids in hot water heating systems and in renewable
energy solar thermal systems:
ES2 ADAPT
ES2 SOLAR
Domestic hot water circulation, drinking water circulation systems and similar
ES2 PURE
domestic and industrial circulation systems. This circulator is suitable for
drinking water only.

5.2 Pumped liquids

Clean liquids, not aggressive and not explosive, not containing solid particles, fibers or mineral oils.
In heating systems:
Water for heating according to VDI 2035.
Mixtures of water and glycol with glycol percentages not greater than 30%.
In domestic hot water circulation systems, max. 38°d water hardness.
Any other use is regarded as incorrect use. For the use with other fluids, manufacturer's
authorization is required.

One-pipe systems

Two-pipe systems

Systems with constant or variable flows

Underfloor heating systems

Boiler or primary circuit

Storage tank circuit

Solar thermal systems

One-pipe systems

Two-pipe systems

Systems with constant or variable flows

Underfloor heating systems

Boiler or primary circuit

Storage tank circuit

The circulators are not to be used to transfer flammable liquids such as
gasoline, oils, gas oil or similar liquids.

The circulators must never be used in refrigeration systems, air
conditioning systems and similar installations.
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