Functional description

TacoTherm Dual ZEPTO

3

Functional description

3.1 Circuits and connection points in the heat interface unit

Arrows

(green)

(blue)

(red)

Direction of flow

Secondary cold water circuit

Cold water heater return line

Hot water

Cold water main supply line connection

Hot water distribution connection

Primary connection for the heat supply return line

Primary connection for the heat supply flow line

Heating connection return line

Heating connection flow line

Fig. 6: Schematic overview of the lines

3.2 Functional principle

V03 06/2025 Item no. 215250 EA no. 1292

Operating instructions

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1

2

3

4

5

6

All components for the heating water circuit, heat supply and distri-

bution are located in the red area (Fig. 6).

All components for the domestic cold water supply and domestic hot

water distribution are located in the green area (Fig. 6).

The heat interface unit heats drinking water in a section of a building.

A section of a building, for example, can be a flat in a block of flats or

a floor in a hotel.

In addition, the heat interface unit supplies the section of the

building with the thermal heat required for radiators.