Question about Honeywell Programmable Thermostat Heater
This is the old thermostat SECO TA2000 (non-programmable)
The wiring for the SECO TA2000 is as follows:
W2 = White wire
O = Orange wire
R = Red wire
Y = Yellow wire
G = Green wire
E = has a jumper to W2
Other then the collor of the wire, I can not tell what the function is.
I want to install a honeywell RTH2310B (programmable)
The Honeywell terminals are marked as follows:
heating power supply Rh = (has a factory jumper wire to Rc) ???
cooling power supply Rc = (has a factory jumper wire to Rh) ???
heating W = ??? White ???
cooling signal Y = ??? Yellow ???
fan G = ??? Green ???
If I can identify the function of the color wired on the TA2000 the caould wire the thermostat with no problem.
Many thermostats have battery backup as well as the 24 volt ac. Have you replaced the batteries to see if it fixes all of your issues at once?
Posted on Nov 02, 2013
it not a touch screen, its manual old style honeywell, square box, not round, not rectanglur.
Posted on Nov 03, 2013
Testimonial: "It is a touchscreen. I have seen references to the battery being round and lithium CR2450; however, not sure if this is accurate. Does anyone know?"
SOURCE: round honeywell thermostat
Sounds like you have a T86 thermostat...take the round front cover off to view the Mercury switch. Watch the bulb when you change the temperature to a higher setpoint. If the bulb makes contact when rotating it up, and the furnace doesn't go into a call for heat, then it could be the thermostat, wiring, or furnace problem.
Posted on Dec 15, 2013
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