External Extension - Viessmann Vitocal 300-G BW Installation And Service Instructions Manual

External extension

Parameter
■ 7010
Details whether an external extension H1 is connected.
The external extension H1 can be used
for the following functions:
■ Swimming pool water heating
■ Heat pump cascade
■ Externally changing operating modes
■ External demand
■ External mixer OPEN
■ External blocking
■ External mixer CLOSE
External operating mode changeover heating circuits
Parameter
■ 7011
This setting determines which system
components the external operating
mode changeover affects.
Access
■ "Device settings"
■ "Programming"
■ "System definition"
No. Affects the following system components
0 DHW heating
1 A1: Direct heating circuit
2 A1: Direct heating circuit, DHW heating
3 M2: Heating circuit with mixer
4 M2: Heating circuit with mixer, DHW heating
5 A1: Direct heating circuit
M2: Heating circuit with mixer
System definition control settings
Access
■ "Device settings"
■ "Programming"
■ "System definition"
■ y to"Ext. extension"
■ "YES" or "NO"
Standard setting
Setting range
■ y to"Op. mode change HC"
■ l or m
Standard setting
Setting range
Note
The parameter "Ext. Blocking" takes
higher priority than "External demand"
(see page 138 : Parameter 7015).
No
Yes/No
11
0 to 11
135