Viessmann Vitotwin 300-W Installation And Service Instructions For Contractors page 93

Changing codes
"Holiday program heating circuit 2"
Function
"Holiday period HC2":
"Start" (Day 1)
"Holiday period HC2":
"End" (Last day)
"Holiday operating level
HC2"
"Holiday program heating circuit 3"
Function
"Holiday period HC3":
"Start" (Day 1)
"Holiday period HC3":
"End" (Last day)
"Holiday operating level
HC3"
"Heating circuit 1"
Function
"Room temperature
comfort setpoint"
"Room temperature re-
duced setpoint"
"Room temperature frost
protection setpoint"
"Heating curve slope"
(see page 81)
"Heating curve displace-
ment" (see page 81)
"Summer/winter heating
limit" (see page 159)
"24-hour heating limit"
(see page 159)
(cont.)
Code Operat-
ing level
652 "E"
653 "E"
658 "E"
Code Operat-
ing level
662 "E"
663 "E"
668 "E"
Code Operat-
ing level
710 "E"
712 "E"
714 "E"
720 "F1"
721 "F1"
730 "F1"
732 "F2"
Setting options Delivered
condition
01/01 to 31/12 - -.- -
01/01 to 31/12 - -.- -
■ "Frost protec- "Frost pro-
tion" tection"
■ "Reduced"
Setting options Delivered
condition
01/01 to 31/12 - -.- -
01/01 to 31/12 - -.- -
■ "Frost protec- "Frost pro-
tion" tection"
■ "Reduced"
Setting options Delivered
condition
6 to 35 °C 20.0
6 to 35 °C 14.0
4 to 35 °C 4.0
0.10 to 4.00 1.40
- 4.5 to 4.5 °C 0.0
- - -/8 to 30 °C 18
- - -/- 10 to 10 °C 0
Codes
93