Device Type; Control Characteristics; Settings For Weather-Compensated Mode - Viessmann VITOTROL 100 OT Installation & Service Instructions Manual

8 Commissioning & Adjustments

Device Type

The factory setting for "DEVICE TYPE" is "OPEN THERM". If this is not the case, set "OPEN THERM"
1. Use <--/--> to select "DEVICE TYPE"
2. OK to confirm
3. Use +/- or the rotary selector to select "OPEN THERM"
4. OK to confirm

Control Characteristics

Various parameters for control characteristics can be changed, depending on the selected
operating mode. See the following chapter.
1. Use <--/--> to select "CONTROL"
2. OK to confirm
3. Use <--/--> to select the following, depending on the operating mode:
• "OT CONTROL" for weather-compensated mode
• "ROOM-CONTROL" for room temperature-dependent mode
4. OK to confirm. The first adjustable parameter is displayed
5. Use +/- or the rotary selector to set the required value
6. OK to confirm. The display switches to the next parameter
Settings for Weather-Compensated Mode ("OT CONTROL")
Heating Curve
The heating curve can be changed with the following parameters:
• Low end
• End point
• Parallel shift
Parameter
Low end - A
End point - B
Parallel shift (setback in
reduced mode)
Setting Range
10 - 40˚C
25 - 90˚C
5 - 35 K
Delivered Condition
25˚C
60˚C
25 K