Overview

TacoTherm Dual ZEPTO

1

Overview

1 Cold water main supply line connection

2 Hot water distribution connection

3 Primary connection for the heat supply return line

4 Primary connection for the heat supply flow line

5 Heating connection return line

6 Heating connection flow line

7 Controller

8 Heat exchanger

The heat interface unit is equipped with heating connections

(Fig. 1/5, 6), drinking water connections (Fig. 1/1, 2) and heat supply

connections (Fig. 1/3, 4). In the event of DHW or a heat demand, the

controller (Fig. 1/7) regulates the water volume on the primary side.

Heat is exchanged from the primary to secondary circuit by means of

the heat exchanger (Fig. 1/8).

Fig. 1: Overview

1.1 Designs

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

Operating instructions

7

Information about the individual components and the

possible options can be found in Ä Chapter 3 ‘Func-

tional description’ on page 23.

The heat interface unit is insulated in EPP as a standard feature. An

optional front cover can be added and installed on the insulation

(

Ä Chapter 3.5 ‘Options’ on page 29).

Fig. 2: Designs