Danfoss ThermoClean Data sheet

Data sheet

ThermoClean®

Domestic water heating system with legionella growth
prevention through thermal disinfection

Description / Application The ThermoClean® system is compact and

effective solution for legionella-free domestic
water heating. The system uses the thermal
disinfection methods, whereby the reaction
temperature inside the installation is kept at
a constant temperature of 70 °C.
The ThermoClean® system is dimensioned
in such a way that the water is warranted to
remain in the reaction area of the device for
at least 5 minutes. During tap operation, the
reaction temperature of 70 °C is cooled down to
the required hot water temperature within the
system. This is not achieved by the addition of
cold water, but through an additional re-cooling
heat exchanger which cools the disinfected
water, while preheating cold water, that
simultaneous preheat the cold water.
The hot water temperature can be set at
any temperature between 50 °C and 60 °C.1
It means that the installation of a scaling
protection device on the taps is redundant if the
temperature is adjusted accordingly.
Due to the connection of the circulation into the
system a continual thermal disinfection of the
hot water is ensured.
The high quality stainless steel design of reaction
and buffer storage tank, heat exchanger and
piping is hygienically perfect, offers a maximum
in operational safety and can be universally used
in combination with the wide range of materials
used in the connected domestic water supply
network.

1

The recommended temperature is 60 °C.

Main system data:

Primary Secondary
Typ e DL / Combi
Max. operating temp. (°C) 100 (150)
Max. operating pressure (bar) 16 (25)
Working medium Circulation water DHW

2

On request

Approvals and Standards:

- DVGW3 – Working paper W 553 – Calculation for circulation systems in DHW installations,

- DVGW3 – Working paper W 551 – Technical method for prevention of legionella growth,

- DIN 1988 – Code of practice for drinking water installations (TRWI) (when related),

- DIN EN 806 – Specifications for installations inside buildings conveying water for human consumstions,

- DIN EN 1717 – Protection against pollution of potable water installations and general requirements
of devices to prevent pollution by backflow.

3

German Technical and Scientific Association for Gas and Water

© Danfoss | 2018.10 VD.KR.D6.02 | 1

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Data sheet ThermoClean®

ThermoClean®-DL

Domestic water heating system with electronic
controls, a stainless steel reaction storage tank,
charging and re-cooling brazed plate heat
exchangers as well as charging pump, shut-off
valves and complete stainless steel piping.

Ordering Explanation, ThermoClean® types

ThermoClean®-DL 200 ECL XB Type heatexchanger
Electronic controller type

Reaction tank volume (liter)
Typ e

DL – with reaction storage tank and brazed plate heat
exchangers
Combi – with combined reaction and DHW storage tank and
brazed plate heat exchangers

Domestic water heating system with charging

ThermoClean®

Typ e

200 00 4X1618 -
350 004X1619 004X1634
500 004X1620 004X1635

750 00 4X1621 004X1636
1000 004X1622 00 4X1637
130 0 004X1623 -

-DL -Combi

ThermoClean®-Combi

Domestic water heating system with electronic
controls, a combined stainless steel reaction and
domestic hot water storage tank, charging and
re-cooling brazed plate heat exchangers as well
as charging pump, shut-off valves and complete
stainless steel piping.
The ThermoClean®-Combi requires less
installation space provided adequate height in
the installation place is available.

and re-cooling system unit

Code-No.

incl. electronic controller ThermoContol

2 | VD.KR.D6.02 © Danfoss | 2018.10