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Permanently
Flashing
Status indications:
shown
Relay 1 active
⓵
⓶
Relay 2 active
Maximum store temperature exceeded
☼
⚠ + ☼
Store emergency shutdown active
Collector emergency shutdown active
⚠
⓵
☼
Collector cooling active
System cooling active
⓵
☼
⓵ + ☼
Store cooling active
Holiday cooling option activated
☼
⚠
⓵ + ☼
⚠
Holiday cooling active
Collector minimum limitation active
❄
Antifreeze function activated
❄
⓵ / ⓶
Antifreeze function active
❄
☛ + ⓵
⚠
Manual mode relay 1 ON
☛ + ⓶
Manual mode relay 2 ON
⚠
Manual mode relay 1 / 2 OFF
☛
⚠
Sensor fault
☍
⚠
4.1
Flashing codes
• Pumps are flashing when the corresponding relay is switched on
• Sensor symbols are flashing, if the corresponding sensor display channel is se-
lected
• Sensors are flashing quickly in the case of a sensor fault
• Burner symbol is flashing if the backup heating is active
System screen
The system selected is indicated in the System-Monitoring-Display. It consists of
several system component symbols which are – depending on the current status of
the system – either flashing, permanently shown or not indicated.
Collectors
with collector sensor
Store
with heat exchanger
3-port valve
Only the flow direction or
current switching position
is indicated.
Temperature
sensor
Heating circuit
Pump
Backup heating
with burner symbol
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