Product range Friwa

Domestic hot water technology

FriwaMicro

FriwaMini

Product range Friwa

Advantages of the PAW domestic hot water modules:

• CE conform according to DIN EN 60335

• SVGW / ACS certified

• Insulation according to EnEV

• directive Modules meet requirements of the German Drinking

Water Ordinance (TrinkwV)

Friwa modules heat potable water comfortably and hygienically

using the principle of a flow-type heater. Other than in conventional

domestic hot water tanks, domestic water as food is not used for

energy storage and is not stored as domestic hot water for hours or

days. An efficient plate heat exchanger heats it when necessary.

The energy for heating the domestic water comes from a buffer

storage tank which can be heated by various systems: solar

installations as well as solid combustibles, conventional oil or gas

boilers or other systems.

The Friwa modules are very well suited for an application in

combination with a solar thermal system. The cooling of the heating

water in the efficient plate heat exchangers improves the efficiency of

the solar circuit, as the cold return reduces the medium temperature of

the solar circuit.

In case of large withdrawal differences, the Friwa modules guarantee a

constant outlet temperature at the hot water tap.The efficient control

optimally sets the current withdrawal capacity of the heating flow rate

by means of high-efficiency speed-controlled EC pumps.

The control receives the required information to control the system

via a new developed ultrasonic flow rate sensor and extremely rapid

temperature sensors, which immediately detect smallest temperature

differences.

The circulation pumps used in the Friwa modules meet the energy

efficiency guidelines (EuP / ErP READY) of 2015. The control operates

the pumps in different circulation modes, which are adapted to the

individual customer system requirements.

Of course, the Friwa modules meet the requirements of the German

Drinking Water Ordinance (TrinkwV).mThe required flame-treated

valves can be mounted in the Friwa, thus there is no need for an

external withdrawal.

You can set the circulation return temperature individually during

commissioning, so that the

DVGW 551 (German association for gas and water) requirements of a

maximum circulation cooling of 5 K are met in a transparent way and

can be logged.

Thus, the Friwa modules offer a perfect comfort, optimum hygiene

and a forward-looking energy-saving operation.

* The German Drinking Water Ordinance in the amended version of

10th of March 2016 (BGBl. I, p. 459).

FriwaMidi / Maxi

234

01/2020 • Printed in Germany

PAW GmbH & Co. KG • 31789 Hameln • Germany • Phone: +49-5151-9856-0 • Fax: +49-5151-9856-98 • info@paw.eu • www.paw.eu

FriwaMega

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