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Installed an Ecobee3 about two weeks ago with 2 sensors—hooked up to a System 2000 hydro-air system. We have a small house (2 floors) and 2 adults living in the house. Have the main thermostat downstairs in the dining room with one sensor in the living room and one in the bedroom. We previously had a Honeywell Chronotherm IV that operated wirelessly (control panel mounted to air handler) that we left downstairs during the day and upstairs at night.
Anyway, have the Ecobee set up with Smart Home/Away enabled and Follow Me disabled. My wife works outside of the house and I work from home—office off the dining room. We have a the following settings: morning-evening (Home) setting at 67 (morning comes on at 7am and lasts until the Day setting at 9am; Home comes on again in the evening from 6-11pm); Work Days (9-6pm) is at 65; Sleep (11pm-7am) is set at 60
The Main unit (sensor) is set to Away/Home/Days; the Bedroom is set to only Sleep; and the Living room is set to Days/Home.
The Living room reads about 2 degrees colder than the Main unit in the dining room and the bedroom is generally 2 degrees warmer.
My questions are, since I have Follow Me disabled, is the main Thermostat showing me an averaged temperature or the main unit's actual reading—sometimes it seems like its an average as the temp on the phone app under sensors often shows differently. If during the day I want the heat to go on at 65, is the fact that the Living room is colder helping the heat to come on sooner or is the Main unit taking preference?
Does having Follow me off or on in my setup affect Smart Recovery at all. I find that in the morning, the heat is kicking on almost an hour before it is programmed to come on—even though both my wife and I are still in bed and/or the bedroom. I'd rather the heat wouldn't come on so early as bedroom heats up to quickly and wakes me.
Finally, one other question. This has to do with the call for heat and the fan. I'm no longer 100% sure, but I thought in my previous hook up, that the thermostat would call for heat, the System 2000 furnace would kick on and once the hot water made it up to the air handler (in the attic) that the fan would kick on only at that point. Now I'm getting the furnace and the fan start simultaneously, which means that the fan is blowing cold air until the furnace starts to produce heat (maybe 2-3 minutes). Is this correct or is there a way to delay the fan start?