Temperature Adjustment; Control Characteristics - Viessmann VITOTROL 100 Operating Instructions Manual

Temperature adjustment

The displayed room temperature can deviate from the
actual room temperature if your Vitotrol 100 is installed
in an unfavourable position, e.g. on an external wall or
near a chimney. You can correct this temperature devi-
ation with an adjustment.
Example:
The room temperature displayed by the Vitotrol 100 is
2 C higher than the actual room temperature. The cor-
º
rection is then 2 C.
− º
01. Open the flap.
02. Press twice.
03. With / select "Settings".

Control characteristics

The hysteresis controller is factory-set. The hysteresis
value influences the start and stop times for "Heating"
or "Not heating".
Example:
Set room temperature: 21
Hysteresis: 0.6 C (factory setting).
°
Setting range: 0.2 to 1.0
Heating stops as soon as the actual room temperature
exceeds 21.3 C. Heating starts as soon as the actual
°
room temperature falls below 20.7
You can change the control characteristics by chang-
ing the hysteresis value. Select a lower value if your
system responds too slowly.
1. Open the flap.
2. Press twice.
3. With / select "Settings".
4. Confirm with OK.
5. With / select "Service".
6. Confirm with OK.
7. With / set the required hysteresis value.
8. Confirm twice with OK.
9. Exit the menu with
C
°
C.
°
C.
°
.
04. Confirm with OK.
05. With / select "Service".
06. Confirm with OK.
07. With OK select the required value to be set for
"Ctrller offset".
08. With / set the required value.
09. Confirm with OK.
10. Exit the menu with
Further adjustments
.
17