Viessmann Vitotwin 300-W Installation And Service Instructions For Contractors page 96

Codes
Changing codes
Function
"Heating circuit 1 with
prim contr/system
pump"
Connecting line to the
heating circuit with/without
upstream control equip-
ment or feed pump.
"Optg mode change-
over"
"Heating circuit 2"
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)
"Flow temp setpoint
min"
"Flow temp setpoint
max"
"Room temperature in-
fluencing factor"
96
(cont.)
Code Operat-
ing level
872 "F2"
900 "F2"
Code Operat-
ing level
1010 "E"
1012 "E"
1014 "E"
1020 "F1"
1021 "F1"
1030 "F1"
1032 "F2"
1040 "F2"
1041 "F2"
1050 "F2"
Setting options
■ "No"
■ "Yes"
■ "None"
■ "Frost protec-
tion mode"
■ "Reduced"
■ "Comfort"
■ "Automatic"
Setting options
6 to 35 °C
6 to 35 °C
4 to 35 °C
0.10 to 4.00
- 4.5 to 4.5 °C
- - -/8 to 30 °C
- - -/- 10 to 10 °C
8 to 95 °C
8 to 95 °C
- - -/0 to 100 %
Delivered
condition
"Yes"
"None"
Delivered
condition
20.0
14.0
4.0
1.40
0.0
18
0
20
80
0