Viessmann Vitotwin 300-W Installation And Service Instructions For Contractors page 103

Changing codes
Function
"Circulating pump re-
lease"
"Circulating pump cy-
cling"
"Consumer circuit 1"
Function
"Flow temp setp cons re-
quest 1"
"Frost protection plant
consumer circuit 1
pump"
"Excess heat draw con-
sumer circuit 1"
"Consumer circuit 1 with
buffer"
"Consumer circuit 1 with
prim contr/system
pump"
"Consumer circuit 2"
Function
"Flow temp setp cons re-
quest 2"
"Frost protection plant
consumer circuit 2
pump"
"Excess heat draw con-
sumer circuit 1 2"
(cont.)
Code Operat-
ing level
1660 "F2"
1661 "F2"
Code Operat-
ing level
1859 "F2"
1860 "F2"
1875 F
2
1878 "F2"
1880 "F2"
Code Operat-
ing level
1909 "F2"
1910 "F2"
1925 "F2"
Setting options Delivered
condition
■ "Time pro- "DHW re-
gram 3/HCP" lease"
■ "DHW re-
lease"
■ "Time pro-
gram 4/DHW"
■ "Off" "On"
■ "On"
Setting options Delivered
condition
8 to 120 °C 70
■ "Off" "On"
■ "On"
■ "Off" "On"
■ "On"
■ "No" "Yes"
■ "Yes"
■ "No" "Yes"
■ "Yes"
Setting options Delivered
condition
8 to 120 °C 70
■ "Off" "On"
■ "On"
■ "Off" "On"
■ "On"
Codes
103