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 Post subject: [ATR121] ON/OFF Heat control with hysteresis
PostPosted: 08/10/2015, 14:10 

Joined: 08/10/2015, 13:28
Posts: 1
Hello,

I need to setup the ATR121 controller to control the temperature inside winterization package, it should turn the heaters ON when temperatures drop below -5C and turn them OFF when it's reached +10C. By my understanding we need to setup: Regulation type(rEG.) - "HEA", Command hysteresis(HY.c) - "15", and the main setpoint value to -5C. Is the correct parameters for this case?

Thanks!


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 Post subject: Re: [ATR121] ON/OFF Heat control with hysteresis
PostPosted: 08/10/2015, 14:58 
Moderatore

Joined: 29/10/2010, 10:09
Posts: 1313
Hi,
you must insert 10°C as setpoint (temperature when output is switched off) and [Hy.c] to "15" (so it power-on the relay if temperature goes below -5°C (Setpoint - hysteresis).


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