<html><body><div style="color:#000; background-color:#fff; font-family:Courier New, courier, monaco, monospace, sans-serif;font-size:12pt"><div><div><font face="'Courier New', courier, monaco, monospace, sans-serif"><br></font></div><div><font face="'Courier New', courier, monaco, monospace, sans-serif">I want to connect a local (type 56a) to two systems :cooling and other heating .</font></div><div><font face="'Courier New', courier, monaco, monospace, sans-serif">I want each of them works on his part under two setpoint temperature at the </font></div><div><font face="'Courier New', courier, monaco, monospace, sans-serif">interior of a local one minimum and another maximum (ambient temperature) </font></div><div><font face="'Courier New', courier, monaco, monospace, sans-serif">eat what to say when the local temperature is lowered to the minimum temperature</font></div><div><font face="'Courier New', courier, monaco,
monospace, sans-serif"> the heating system works and vice versa when the temperature is higher to the maximum temperature</font></div><div><font face="'Courier New', courier, monaco, monospace, sans-serif"> in the cooling system work and the other system stops. how I can both controller system according</font></div><div><font face="'Courier New', courier, monaco, monospace, sans-serif">I have the idea to use controller (type 2b) but I hesitated because I think we should add</font></div><div><font face="'Courier New', courier, monaco, monospace, sans-serif"> an equation (insert equation)</font></div><div><font face="'Courier New', courier, monaco, monospace, sans-serif"><pre style="margin-top: 0em; margin-right: 0em; margin-bottom: 0em; margin-left: 0em; ">Thank you,</pre></font></div></div></div></body></html>