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6.6.10. - Solid fuel boiler
The relay is used to control an additional solid fuel boiler.
Settings range: On, Off
Special functions
Relay functions
6.6.10.1. - SF Tmin
Minimum temperature in the solid fuel boiler to switch on the pump. If the temperature at the boiler
sensor is below this temperature, the relay is disabled.
Settings range: 0 ° C to 100° C / Default setting: 70° C
6.6.10.2. - ∆ T Solid fuel
Switch on and Switch off condition for the temperature difference between boiler and storage.
Switch on difference ∆ T SF
Settings range: 5 to 20 K / Default setting: 8
Switch off temperature difference ∆ T SF
Settings range: 0 K to Switch ∆ T SF / Default setting: 7
6.6.10.3. - SF Tmax
Maximum temperature in the storage. If this is exceeded, the relay is switched off.
Settings range: Off to 100°C / Default setting: 70° C
This determines the sensor, that is used as boiler sensor.
Settings range: S1-S8, VFS1-2, Active storage/ Default setting: none
6.6.10.4. - Boiler sensor
This determines the sensor, that is used as storage sensor.
Settings range: S1-S8, VFS1-2, Active storage/ Default setting: none
6.6.10.5. - Storage sensor
6.6.11. - Error message
The relay is switched on, when one or more protective funtion is active or a message is shown.
This function can be inverted, so that the relay is alway on and switches off when a protective
function or a message is shown.
Settings range: On, Inverted, Off / Default setting: Off
Collector protection
System protection
Frost protection
Recooling
Antilegionella protection
Message
Collector alarm
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