Priority Of External Heat Sources - Viessmann VITOCAL 300-A Installation And Service Instructions Manual
Type awc-i-m, aw-o-m
compact heat pump with electric drive, 230 v~
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Also See for VITOCAL 300-A:
- Installation and service instructions manual (208 pages) ,
- Installation and service instructions for contractors (124 pages) ,
- Operating instructions manual (60 pages)
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External heat source
If an external heat source is inte-
grated in the heating system.
Note
All the following parameters become
visible only when the parameter has
been set to "YES".
Press the following keys:
1. "Device settings".
Priority of external heat sources
Select whether priority is given to
heating by the external heat source or
heating by the electric booster heater
(instantaneous heating water heater,
accessory).
Press the following keys:
1. "Device settings".
2. "Programming".
Dual-mode temperature
Limit temperature to enable the exter-
nal heat source.
If the long-term average outside tem-
perature is lower than the set limit
temperature ("Dual-mode temp"),
the external heat source is switched
on.
This restriction does not apply if the
heat pump is faulty.
Control settings, external heat source
2. "Programming".
3. "Ext. heat source".
4. y/x for "Ext. heat source"
(7B00).
5. "YES"
to enable.
6. "BACK"
to confirm.
3. "Ext. heat source".
4. y/x for "Priority" (7B01).
5. "NO"
for no priority
or
6. "YES"
for priority (delivered
condition).
7. "BACK"
to confirm.
Press the following keys:
1. "Device settings".
2. "Programming".
3. "Ext. heat source".
4. y/x for "Dual-mode temp"
(7B02).
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