TacoTherm Dual ZEPTO

Assembly

5.4.3 Connecting the primary connections for the heat supply

Personnel:

n Heating and sanitary technician

Tool:

n Adjustable spanner

Prerequisite:

n The heat interface unit has been prepared in accordance with

Ä Chapter 5.4.1 ‘Preparing the heat interface unit’ on page 36.

1.

Connect the heating return main supply line to the primary con-

nection for the heat supply return line (Fig. 26/1) and tighten it

by hand.

2.

Connect the heating flow main supply line to the primary con-

nection for the heat supply flow line (Fig. 26/2) and tighten it by

hand.

3.

Fig. 26: Heat supply flow and return

lines

To avoid subjecting the pipes to excessive tension, hold the

pipes in place and tighten the bolted connections using an

adjustable spanner.

ð The main supply lines for heating have been connected.

5.4.4 Connecting the lines for the radiators or the underfloor heating

Fig. 27: Connecting the radiators

38

Operating instructions

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

NOTICE!

Damage due to excessive strain on the pipes!

Personnel:

n Heating and sanitary technician

Tool:

n Adjustable spanner

Prerequisites:

n

n

1.

2.

The heat interface unit has been prepared in accordance with

Ä Chapter 5.4.1 ‘Preparing the heat interface unit’ on page 36.

The heating lines have been connected in accordance with

Ä Chapter 5.4.3 ‘Connecting the primary connections for the heat

supply’ on page 38.

Connect the return line to the heating connection return line

(Fig. 27/1) and tighten it by hand.

Connect the flow line to the heating connection flow line

(Fig. 27/2) and tighten it by hand.