It looks like you have too much thermal mass for your size of heater since there is substantial lag even with the heater fully on.. And you need a method of cooling that mass when ramping down - say a fan blowing ambient air.
It looks like you have too much thermal mass for your size of heater since there is substantial lag even with the heater fully on.. And you need a method of cooling that mass when ramping down - say a fan blowing ambient air.