Honeywell RTH221B Support Question
Honeywell RTH221B Support Question
Find answers below for this question about Honeywell RTH221B.Need a Honeywell RTH221B manual? We have 1 online manual for this item!
Question posted by bullwhfl on June 22nd, 2014
Installed Model # Rth221b Honeywell And Heat Will Not Turn Off
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Related Honeywell RTH221B Manual Pages
Owner's Manual - Page 1
...When the safe wait time has elapsed, the message stops flashing and the compressor turns on the screen. The same period and settings are also saved if you need... hold temperature
Press to run (follow the programmed schedule.
If the thermostat is following modes. • Cool: System is in one when the thermostat is in Heating mode.
Heat 70 °F (21 °C) 62 °F (16.5 &#...
Owner's Manual - Page 2
...honeywell.com, or call Honeywell Customer Care at 1-800-468-1502.
2/8 Install two fresh AAA batteries when Lo Batt (low batteries) flashes on the screen.
settings cannot be • You are setting the temperatures outside their allowable ranges:
changed.
• Heat... if you do not press any questions regarding your thermostat, please go to indicate that the defect or malfunction...
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