Viesmann VITODENS 200-W Operations Instructions download pdf (Page 26)

Selecting DHW Heating

26

Selecting Constant DHW Heating (continued)

Selecting a time program (switching times)

Heating system without DH W

recirculation pump

DHW can be enabled / disabled up to

four times per day (four time phases).

Automatic mode is set in the time

program in t he factory. That means

DHW heating is enabled in parallel to

the central heating program of the first

available heating circuit, but starts

30 min. earlier (from 05:30 to

22:00 hrs.).

Should you not wish to operate in

automatic mode, you can also s et up

individual time programs. You can select

identical time programs for every day or

individual programs for each day.

When setting time programs, bear in

mind that your heating sys tem requires

some time to heat the DHW tank to the

required temperature.

For t ime programming steps, (see pages

26 and 27). For a sequence of steps to

deleteatimephase,(seepage28).

Heating sys tem with DHW recirculation

pump

The DHW recirculation pump transports

hot water through a circuit between the

DHW tank and the draw-off points to

deliver DHW to the t aps as quickly as

possible.

DHW heating and the DHW recirculation

pump can be enabled / disabled up to

four times per day (four time phases).

Automatic mode is set in the time

program at the factory. That means

DHW heating and the DHW recirculation

pump are activated in parallel to the

central heating program of the first

available heating circuit, but starts 30

min. earlier (from 05:30 to 22:00 hrs.).

Should you not wish to operate in

automatic mode, you can also s et up

individual time programs. You can select

identical time programs for every day or

individual programs for each day.

When setting time programs, bear in

mind that your heating sys tem requires

some time to heat the DHW tank to the

required temperature.

Also, enabling the DHW recirculation

pump is only sensible for those times

when DHW is actually drawn.

For time programming steps, (see pages

26 and 27). For a sequence of steps to

deleteatimephase,(seepage28).

Selecting automatic mode (if required)

Press the following keys:

1. uw for “DHW time program”.

2. ⊕/⊝ to select “DHW time

program”, or “ Recirc. pump

time program”.

3.

to confirm.

4. ⊕/⊝ for “Automatic?”, if

“Automatic?” is not yet

displayed.

5.

to confirm.

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