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Special functions
6.5.9. - Solid fuel boiler
The relay is used to control an additional solid fuel boiler.
Relay functions
6.5.9.2. - SF Tmin
Minimum temperature in the solid fuel boiler to switch on the pump. If the tem-
perature at the boiler sensor is below this temperature, the relay is disabled.
6.5.9.3. - ∆ T Solid fuel
Switch on and Switch off condition for the temperature difference between boiler
and storage. Switch on difference ∆ T SF. Switch off temperature difference ∆ T
SF.
6.5.9.4. - SF Tmax
Maximum temperature in the storage. If this is exceeded, the relay is switched
off.
This determines the sensor, that is used as boiler sensor.
6.5.9.5. - Boiler sensor
This determines the sensor, that is used as storage sensor.
6.5.9.6. - Storage sensor
6.5.10. - 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.
Collector protection, System protection, Frost protection, Recooling,
Anti-legionella protection, Messages, Collector alarm
6.5.11. - Booster pump
6.5.11.2. - Filling time
Additional pump that lls the system at the start of every solar charge.
Time the pump is switched on
This setting determines the length of time the pump is switched on at the start
of a solar charge.
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