Honeywell Rth221 Wiring Diagram
If any wires are not attached to your old thermostat or are diagram below.
. RTH/RTH EF— About your new thermostat. WIRING.
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I don’t know if this will be helpful or not, but I just installed a new Honeywell and the Honeywell customer service guy helped me get the wires.
ES— RTH/RTH If any wires are not attached to your old thermostat or are attached to a terminal marked C or C1, they will not be connected.Honeywell thermostat Wiring Diagram Lovely Honeywell Rth Wiring Picture. See the All images of honeywell thermostat wiring diagram.. See also honeywell thermostat wiring diagram .
5 Wire Honeywell Thermostat Wiring. Some programmable thermostats (e.g.
Honeywell Prestige wiring requirements) need a minimum of 5 wires, and maybe more depending on what features you want to operate (humidifier, etc). The additional 5th wire will be for common; providing stepped down power from a transformer.
G – Fan (green wire). yes i have a Honeywell rth/rth programmable thermostat that I put in and the ac is not working but the heat is working fine.
there is a blue wire not connected as the tech from Honeywell . Honeywell RTH Quick Installation Manual. Thermostat Honeywell RTH Series Quick Installation Manual Alternate Wiring If a labeled wire does not match any terminal designation, see diagram below.
Do not use C, C1 or X wire.
Do not use B wire if you already have O wire. Wrap bare end of wire with electrical tape.
Oct 24, · I am trying to install the Honeywell RTH programmable thermostat but my wires are different than any in the manual. I only have heat, no a/c. There are three wires one is black, one is clear, and the other is bare.
So, I am lost. I tried hooking the black to the O/B terminal, the bare to the G 5/5.Honeywell Rthb Thermostat Wiring Diagram | Wiring LibraryHONEYWELL RTH QUICK INSTALLATION MANUAL Pdf Download.
