Viessmann VITOLIGNO 250-S Operating Instructions Manual page 10

Introductory information
Energy saving tips
A
B
E
D
Fig. 2
10
(cont.)
C
■ Correct ventilation/airing:
Open windows wide for a short time. During this
A
time, close thermostatic valves
■ Do not overheat the rooms; aim for a room tempera-
ture of 20 °C. Every degree of room temperature
reduction saves up to 6 % on your heating bills.
■ Close shutters (where installed) on the windows at
dusk.
■ Ensure that thermostatic valves
adjusted.
■ Never cover or obstruct radiators
valves B .
Make use of the setting options of control unit
■
e.g. "standard room temperature" alternating with
"reduced room temperature".
■ Set the DHW temperature of DHW cylinder
control unit .
D
■ Only enable the DHW circulation pump (via switching
times at the control unit) when DHW is being drawn
off.
Check your hot water consumption: A shower
■
requires less energy than a full bath.
.
B
are properly
B
C or thermostatic
,
D
at
E