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Horstmann SRT321 & Zipato

Stephane Rochette shared this problem 8 years ago
Known

Firmware 0.9.999.8q

When the Heating program is running, it swifts itself between Mode "Off" and Program "Heating" alternatively.


When I modify the heating T° on the thermostat, instead of keeping this T° until next period the software swifts back T° of the program. This means I'm obliged to set the desired T° on the thermostat every 10 mn.

I'm using a gasoil boiler with TPI set to 3 cycles/hour. A lot of times the thermostat switch on the boiler during 3 mn and the swicth off (see attached file heating_time). This laps of time is to short and should be minimum of 5 mn or 7 mn to allow the boiler to heat. Indeed, the laps of time needed for the boiler to burn is between 2 and 4 mn.


The previous Comments in my last post are still on actuality. No improvement noticed!


The setpoint_heating chart is smoothed now (see attached files).

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