Control Settings, External Heat Source External Heat Source - Viessmann Vitocal 300-G BW Installation And Service Instructions Manual

Control settings, external heat source
External heat source
Parameter
■ 7B00
Details of an external heat source (ext.
HS) integrated into the heating system.
Access
■ "Device settings"
■ "Programming"
■ "Ext. heat source"
■ y to "Ext.heat source"
■ "YES" or "NO"
Priority
Parameter
■ 7B01
Access
■ "Device settings"
■ "Programming"
■ "Ext. heat source"
■ y to "Priority"
■ "YES" or "NO"
Dual-mode temperature
Parameter
■ 7B02
Temperature limit for additional opera-
tion of the external heat source.
144
Note
All following parameters will only
become visible after an external heat
source has been confirmed with "YES".
Standard setting
Setting range
Define whether priority is given to heat-
ing by the external heat source or heat-
ing by the electric booster heater (instan-
taneous heating water heater).
Standard setting
Setting range
The long-term average outside temper-
ature must be lower than this tempera-
ture limit for the external heat source to
be enabled.
This starting limit is ineffective if the heat
pump has developed a fault.
No
Yes/No
Yes
Yes/No