Viessmann Vitotwin 300-W Installation And Service Instructions For Contractors page 107

Changing codes
"Configuration"
Function
"System scheme" (see
page 8)
"Heating circuit 1"
"Heating circuit 2"
"Heating circuit 3"
"Consumer circuit 1"
"Consumer circuit 2"
"Relay output QX1"
(cont.)
Code Operat-
ing level
5700 "F1"
5710 "F1"
5715 "F1"
5721 "F1"
5750 "F2"
5751 "F2"
5890 "F2"
Setting options Delivered
condition
- - -: no scheme - - -
1: System ver-
sion 1
2: System ver-
sion 2
3: System ver-
sion 3
4: System ver-
sion 4
5: No function
■ "Off" "On"
■ "On"
■ "Off" "Off"
■ "On"
■ "Off" "Off"
■ "On"
■ "Off" "Off"
■ "Heating"
■ "Off" "Off"
■ "Heating"
■ "None" "Alarm out-
■ "Alarm output put K10"
K10" (see
page 55)
■ "Circulating
pump Q4"
■ "Heat request
K27" (see
page 155)
■ "DHW ctrl el-
em Q3"
■ "Suppl source
control K32"
(see page 155)
Codes
107