Viessmann Vitotwin 300-W - Page 103

103
Function Code Operat-
ing level
Setting options Delivered
condition
"Circulating pump re-
lease"
1660 "F2" ■ "Time pro-
gram 3/HCP"
■ "DHW re-
lease"
■ "Time pro-
gram 4/DHW"
"DHW re-
lease"
"Circulating pump cy-
cling"
1661 "F2" ■ "Off"
■ "On"
"On"
"Consumer circuit 1"
Function Code Operat-
ing level
Setting options Delivered
condition
"Flow temp setp cons re-
quest 1"
1859 "F2" 8 to 120 °C 70
"Frost protection plant
consumer circuit 1
pump"
1860 "F2" ■ "Off"
■ "On"
"On"
"Excess heat draw con-
sumer circuit 1"
1875 F
2
■ "Off"
■ "On"
"On"
"Consumer circuit 1 with
buffer"
1878 "F2" ■ "No"
■ "Yes"
"Yes"
"Consumer circuit 1 with
prim contr/system
pump"
1880 "F2" ■ "No"
■ "Yes"
"Yes"
"Consumer circuit 2"
Function Code Operat-
ing level
Setting options Delivered
condition
"Flow temp setp cons re-
quest 2"
1909 "F2" 8 to 120 °C 70
"Frost protection plant
consumer circuit 2
pump"
1910 "F2" ■ "Off"
■ "On"
"On"
"Excess heat draw con-
sumer circuit 1 2"
1925 "F2" ■ "Off"
■ "On"
"On"
Codes
Changing codes
(cont.)
5618 294 GB
Service