Frost Protection Mode; Operation With Constant Room Temperature (Manual); Setting A Permanent Room Temperature; Changing Room Temperature For A Few Days Only - Viessmann VITOTROL 100 UTDB Operating Instructions Manual

Frost Protection Mode

If you do not want to heat the interior but would like to have frost protection.
If the room temperature falls below 5°C, central heating starts.
1. Open the flap
2. Press twice
to select "Frost pr."
3. Use
4. Confirm with OK.
The display shows

Operation with Constant Room Temperature (Manual)

Continuous central heating with the set temperature
1. Open the flap
2. Press twice
to select "Manual"
3. Use
4. Confirm with OK.
5. Use to set the required room temperature (min. 10°C)
6. Confirm with OK.
The display shows

Setting a Permanent Room Temperature

You can set 3 room temperatures:
• Standard room temperature "Comfort"
Factory setting: 21°C
• Room temperature "Eco"
Factory setting: 19°C
Reduced room temperature "Reduced"
•
Factory setting: 16°C
The rooms are heated to one of the 3 room
temperatures, in accordance with the active
time phase of the selected time program.
Changing the Room Temperature for a Few Days Only
The following energy saving options are available for times when you are on holiday:
You can shut central heating down completely by selecting frost protection mode
or
You can set the central heating to minimum energy consumption (e.g. to prevent your house plants
from being damaged by the cold). To do so, select the holiday program
active, the rooms are heated to the reduced temperature ("Reduced").

Setting a Holiday Program

1. Open the flap
2. Press twice
3. Use to select "Holiday"
4. Confirm with OK
5. Use to select "ON"
and the current room temperature
and again the current room temperature
1. Open the flap
2. Press twice
3. Use to select "Settings"
4. Confirm with OK
5. Use to select "Tmp settings"
6. Confirm with OK
7. Use to select the required temperature to
"Comfort", "Eco" or "Reduced"
8. Confirm with OK
6. Confirm with OK
7. Use to select the required day and time
for the starting and ending of the holiday
function
8. Confirm each respectively with OK
Central Heating
. If the holiday program is
9