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mbmike 07-16-2010 10:20 PM

Honeywell RTH7600 program issues
Installed a new thermostat, system works properly but unable to set the 4 different program schedules to work. Wake time set 5:45 temp a/c 82, leave time 2:00 temp a/c 75, return 2:45 temp 85, sleep time set to 81. Electric rates the most at 3 to 6, so I want to pre-cool house 45min prior than higher temp so a/c doesnt run dureing on peak hrs. I have set this for 5 days a week with a different settings for sat,sun. the RTH 7600 doesnt work? not sure what programing I'm missing. Is there a max temp differnce that a 10deg is outside its limits? I've tried reset, removing batteries,turning breaker on and off. At my wits end. Any thoughts out there:furious:

biggles 07-17-2010 05:06 AM

each day has to be programmed or do the copy instruction step.make sure actual time/day is up,and watch the AM/PM s it sounds like your missing hitting copy to take day/time..

beenthere 07-17-2010 06:07 AM

What do you mean by, doesn't work?

It doesn't turn your A/C on or off.
Or that the house isn't cooled to those temps by that time.

10 decrease in temp. Can take a long long time. Some systems may take 12 hours to do that on a hot day. And only 2 hours on a cool day.

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