Can anyone help. My Danfoss RMT24 as bust and I have been told to replce with a digital. I have a Honeywell T6620b. The main issue is that there are 3 wires from the danfoss in ports 4,1 and 3 but on 2 on the honeywell. The Danfoss has something called an RP on it but nothing mentioned in the instru...