In the case of heatting threshold (min) turn on and its stop in case of the threshold (max) turn off heater. This will allow you to achieve automatic control of the physical value (eg. temperature) and keeping it in the range (min, max).
Katika kesi ya kizingiti (min) na kuacha wake katika kesi ya kizingiti (max), hii itawawezesha kufikia kudhibiti moja kwa moja ya thamani ya kimwili (mfano . joto) na kuweka katika mbalimbali .