Help had this installed a few months now without problems,now for some reason the ECO has been turning it self on full temp at 2am. I have tried to reset the system only to find that the thermostat control will NOT communicate with the receiver. Also when going through the sequence the reciever...
Hi, can someone clarify the wiring instructions please, Do i come in on the live in 1st L or the 2nd, and out to the boiler on A-C or A-B. I have a Ferroli Optimax HE Plus 38C. Thanks [net]