![Viessmann VITOFLEX 300-UF Installation And Operating Instructions Manual Download Page 51](http://html.mh-extra.com/html/viessmann/vitoflex-300-uf/vitoflex-300-uf_installation-and-operating-instructions-manual_1017317051.webp)
51
5797 344 - 01
Vitoflex 300-UF Installation & Operating
Parameter
Flame
(continued)
“Controller” tab
Parameter
Description
Setting
range
Standard
value:
“P factor”
--
1 to 100
10
“D factor”
--
1 to 100
10
“Min - max opening”
Min opening
Minimum opening of recirculation damper, lower control
limit
Setting is a % of the maximum opening
10 to 99
20
Max opening
Maximum opening of the recirculation damper, upper
control limit
Setting is a % of the maximum opening
11 to 100
80
“Controller, fresh air damper”
Parameter
Description
Setting
range
Standard
value:
“P factor”
--
1 to 100
10
“D factor”
--
1 to 100
10
“Min - max opening”
Parameter
Description
Setting
range
Standard
value:
Min opening
Minimum opening of the fresh air damper, lower control
limit
Setting is a % of the maximum opening
10 to 99
20
Max opening
Maximum opening of the fresh air damper, upper control
limit
Setting is a % of the maximum opening
11 to 100
80