Parameter Group External Heat Source; B00 Enabling An External Heat Source; B01 Priority Of External Heat Sources - Viessmann VITOCAL 300-G Installation And Service Instructions Manual

Parameter group external heat source

Service menu:
1. Press OK + å simultaneously for
approx. 4 s.
2. "Coding level 1"

7B00 Enabling an external heat source

"External heat source 7B00"
To enable an additional, external heat
source.
If there is a corresponding heat demand,
the external heat source can also be
started by the heat pump control unit.
Note
All other parameters for the external heat
source become visible only when this
parameter has been set to "1".

7B01 Priority of external heat sources

"Priority 7B01"
Priority of the external heat source over
the instantaneous heating water heater
(on site).
Valu Explanation
e
"0" External heat source has prior-
ity.
"1" Instantaneous heating water
heater has priority.
Parameter group external heat source
3. "Ext. heat source"
4. Select parameter.
Valu Explanation
e
"0" External heat source is not used.
"1" External heat source, e.g. oil con-
densing boiler is enabled.
Delivered condition
Setting
Delivered condition
Setting
0
0 / 1
1
0 / 1
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