Selecting Dhw Heating; Selecting Constant Dhw Heating; Dhw Temperature Setting - Viessmann VITODENS Operating Instructions Manual

Selecting constant DHW heating

Observe the following points if you want to enable DHW heating:
1. Set "Htg.+ DHW"G or "DHW
only"L for the selected heating
circuit.
Check:
G or L must be illuminated,
otherwise press G or L.
If "Select htg.circuit" is displayed
and "1 r" flashes:
& Select that heating circuit with
a/b, to which the adjustment
should apply.
Confirm twice with d.
&
G or L must be illuminated,
&
otherwise press G or L.
Note
You can adjust the DHW tempera-
ture. See "Selecting the DHW tem-
perature".

DHW temperature setting

Press the following keys:
1. F
for "DHW temp.setpt."; the
current temperature will
flash.
2. a/b for the required tempera-
ture.

Selecting DHW heating

2. The timing of when DHW heating is
enabled and when the DHW circu-
lation pump runs depends on the
settings of the time program B
(see page 26).
You can scan the time programs
(see page 34).
Note
This function is not available with
the Vitodens 200-W and Vitopend
200-W with integral instantaneous
water heater.
For changing the time program,
see page 26.
3. d
to confirm; the temperature
no longer flashes and is
saved.
25