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Settings heat circuit
Switch-off hysteresis for additional heating (only when S3 is connected)
This settings determines the allowed overstepping of the heat circuit temperature
to the calculated reference
fl
ow temperature at sensor 3. If the temperature at S3
exceeds the reference
fl
ow temperature by this value, the additional heating (R5) is
switched off.
Settings range: 1°C to 10°C / Default: 2°C
5.1.8. - Reference/
Caution
When sensor 3 is not connected, additional heating at relay 5 is switched off
when sensor S2 reaches or exceeds the reference
fl
ow temperature.
Caution
To prevent unnecessary activation of additional heating it is recommended to in-
stall sensor 3 in the storage on the same level (or higher) as the heat circuit exits..
Delay of additional heating and cooling
To prevent excessive oscillation when additional heating or cooling start, the corre-
sponging relay is switched on up to 5 minutes after the switch-on conditions are met.
Settings range: 0 to 5 minutes / Default: 1 minute
5.1.9. - Delay
Delay applies to cooling and heating (see 5.2.8).
This setting is the lower limit for the characteristic curve, thus the low limit for the heat
circuit’s reference temperature.
Additionally this is the reference temperature for the frost protection function.
Settings range : 5°C to 30°C / Default: 15°C
5.1.10. - min. fl ow (heating)
This settings is the upper limit for the heat circuit reference temperature.
If the heat circuit exceeds this value, it is switched off until the temperature drops
below.
Settings range: 30 °C to 105 °C / Default: 45 °C
5.1.11. - max. fl ow (heating)
The user has to install an additional security temperature limiter / limiter
thermostat, that has to be connected in series with the pump.
Caution
Caution