I want to remove a Salus RT300RF. thermostat and replace with a ESi esrtp4rf . The Salus is wired red & black to 1, blue to 2, and white to 5, in the junction box. And works ok.. The esrtp4rf has the conctions N.L. COM.. N/O and N/C now the cable has only 4 wires do I need 5 and if so what...
I want to remove a Honeywell RF cm927 thermostat and replace with a Salus RT300RF. The 927 is wired red & black to 1, blue to 2, and white to 5, in the junction box.. The Salus has the conctions NO. COM.. L.. and N.. the last two, red and blue to 1 and 2 in the junction box, that leaves black...