Decommissioning

TacoTherm Dual ZEPTO

13.3

Emptying the heat interface unit

Draining the primary side of the heat

interface unit

Fig. 49: Opening the valves

Draining the secondary side of the heat

interface unit

Personnel:

n Heating and sanitary technician

1.

To depressurise the primary circuit of the heat interface unit,

open the air bleed valves (Fig. 49).

2.

Shut down the central heating connection in accordance with

the project planning documents.

3.

To remove the remaining water from the pipes, loosen the

bolted connections on the adaptors and collect the remaining

water using a cloth.

ð The heating distributor has been drained.

Personnel:

n Heating and sanitary technician

1.

2.

To depressurise the secondary circuit of the heat interface unit,

open the connected taps.

To remove the remaining water from the pipes, loosen the

bolted connections on the adaptors and collect the remaining

water using a cloth.

ð The drinking water connection has been drained.

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

Operating instructions

61