Honeywell emm-3u manual

 · We recently moved into a Florida home with a Trane 4 ton heat pump and a Honeywell Universal Mini-zone controller EMM-3U. It has 2 zones wired with standard thermostats where the zone controller manages heat stages etc. When heat is called for with thermostat in AUTO fan mode the unit operates as a heat pump with outside unit turning on. If there is a call for heat, the manual fan on mode is cancelled to allow the furnace to warm up and during a call for heat, the blower will run in the heat mode. If the fan switch is still on, after the furnace cools down, the fan control will keep the fan on, possibly different speed. Recently I replaced a Honeywell EMM-3U Minizone panel with a Honeywell HZ Truezone panel with a DATS. For the most part everything works fine except for one issue. When cooling stops the fan contin .

Honeywell Home RTHWF Wi-Fi Smart Color Thermostat, 7 Day Programmable, Touch Screen, Energy Star, Alexa Ready out of 5 stars 10, 88 offers from $ The EMM-3 Electronic MiniZone panel controls single stage heat/cool equipment and is used on two- and three-zone applications. Features include automatic zone changeover with minute changeover timer, individual zone fan control, and LEDs to indicate System and Zone status. My old Honeywell EMM-3U control board "went out" according to the HVAC company. Was quoted $ to replace the board because it was a new board and required "extensive programming". He wouldnt tell us what board he was replacing our old one with, because I'm sure he knew we would call him out on it.

EMM-3U - read user manual online or download in PDF format. Pages in total: Product Data and Specifications-Product Data for EMM-3U Tableau de regulation par zones electronique et universel EMM-3U MiniZone (French) Product Data and Specifications-Product Data for EMM-3U Universal Electronic Minizone Panel (English). Honeywell Home RTHWF Wi-Fi Smart Color Thermostat, 7 Day Programmable, Touch Screen, Energy Star, Alexa Ready out of 5 stars 10, 88 offers from $