7-day
programmable thermostat. Accepts optional humidity module
for humidification and de-humidification. 3 configurable outputs,
Dry contact equipped, Economizer control, Pre-occupancy fan
purge, Remote averaging, Programmable output, Light activation
ready, Set point limiting, adjustable 2nd and 3rd stage deadbands,
outdoor sensor ready, accepts EZ-programmer, Optional internet/phone
module, optional infrared remote, 35° to 99°F setpoint
range, many more features. Control up to 3 Heat & 2 Cool
Stages, Backlit Display & Button Legends, Aux Heat Indicator,
1-year limited warranty included
As
of Jan 2022, the new model is T4900 and the pin locations are now
different than the original, so the new baseplate will need to be
installed so that the wiring and pins match up correctly. It is no
longer possible to just pull the front of the thermostat off and replace
it while leaving the baseplate wired to the wall. Only compatible with 2-wire remote sensors, NOT the 3-wire RS+5/RS1/RSGND versions.
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