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Honeywell RTH8500 Support Question

Honeywell RTH8500 Support Question

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Question posted by tgcoakley on March 3rd, 2013

Rth8500wf- Em Heat Doesn't Come On Automatically. Can Turn It On Manually.

I assume it is a setting. I will appreciate any help you can be in advance

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Related Honeywell RTH8500 Manual Pages

Owner's Manual - Page 2

Perchlorate Material-special handling may contain Perchlorate material. Copyright © 2007 Honeywell International Inc. This thermostat contains a Lithium battery which may apply, See www.dtsc.ca.gov/hazardouswaste/perchlorate Need Help? To prevent damage to press touchscreen keys. Registered Trademark. For assistance with your fingertip. US Patent No. 6595430, D520,386 and ...
Owner's Manual - Page 4

....  Features • 7-day program schedules maximize comfort and economy. • Armchair programming: Just pull thermostat from the wall to set . • Change/check reminders let you many years of reliable service and touchscreen climate control. Operating Manual About your heating/cooling expenses. • One-touch temp control overrides program schedule at any time. •...
Owner's Manual - Page 5

... 10 pm To change if needed: 1. RTH8500 Your new thermostat is set the time and day. Then check the settings below and change , see pages 10-13 ONE-TOUCH TEMP CONTROL: You can override the program schedule at any time, and manually adjust the temperature (see page 8 4. AThbiosutthyeorumronsetawt tisherremadoysttaot go to Heat To change , see page 7 3.
Owner's Manual - Page 6

... 11) MON TUE WED THU FRI SAT SUN OK TO PICK MULTIPLE DAYS 70 FAN Inside AUTO 70 Set To SYSTEM HEAT 6:01 AM Following Schedule SCHED HOLD CLOCK SCREEN MORE Press to adjust temperature settings (see pages 11-14) Press for more options (select models only) Press to override program schedule (see...
Owner's Manual - Page 7

Quick reference to status display Current inside temperature Current day of week RTH8500 Temperature setting Fan setting System setting Current time WED 70 FAN Inside AUTO SYSTEM HEAT 6:01 AM 70 Set To Following Schedule Recovery Program schedule on (does not display when off) SCHED HOLD CLOCK SCREEN MORE Smart Response® Technology in effect (see page...
Owner's Manual - Page 8

... AUTO Adjust time, then press DONE 6:02 AM DONE CANCEL To set the current time display, press CLOCK, then press s or t to advance the time more quickly. Note: The real-time clock should never require adjustment since it automatically updates for daylight savings time, and stores all date/time information. Press and hold...
Owner's Manual - Page 9

Fan setting WED 70 FAN Inside AUTO SYSTEM HEAT 6:01 AM 70 Set To Following Schedule SCHED HOLD CLOCK SCREEN MORE Press FAN RTH8500 Press FAN to select fan operation, then press DONE. • On: Fan is always on. • Auto: Fan runs only when the heating or cooling system is on. 
Owner's Manual - Page 10

Operating Manual System setting WED 70 FAN Inside AUTO SYSTEM HEAT 6:01 AM 70 Set To Following Schedule SCHED HOLD CLOCK SCREEN MORE Note: The Auto and Em Heat system settings may not appear, depending on the indoor temperature. • Off: Heating and cooling systems are off. • Em Heat (only for heat pumps with auxiliary heat): Thermostat controls Emergency and Auxiliary Heat. ...
Owner's Manual - Page 11

...SLEEP 10:00 pm 62 ° Set to the time you awaken and the temperature you leave for the day. Set to the time you go to bed ...and the temperature you are away (usually an energy-saving level). Set to the... evening, until you want overnight (usually an energy-saving level).  Set to the time you return home and the temperature you want during the...
Owner's Manual - Page 12

Operating Manual EnergyStar® settings for maximum cost savings This thermostat is pre-set to adjust times and temperatures of each time period.) Wake (6:00 am) Leave (8:00 am) Return (6:00 pm) Sleep (10:00 pm) Heat (Mon-Fri) 70 ° 62 ° 70 ° 62 ° Cool (Mon-Fri) 78 ° 85 ° 78 °...
Owner's Manual - Page 13

... unwanted time period. 70 FAN Inside AUTO 70 Set To To adjuWsEDt program Following Schedule schedules RTH8500 67:000 FAN Inside AM PrAeUTsOs SCHED 70 Set To SCHED HOLD CLOCK SCREFESNoclhloewdMuiOnleRgE 6:00 Press EDIT AM DONE EDIT WAKE LEAVE RETURN SLEEP CANCEL Select day(s) Set heat/cool levels MON TUE WED THU FRI SAT SUN...
Owner's Manual - Page 14

... 12 Press CANCEL (or SCHED) to immediately adjust the temperature. Operating Manual Program schedule override (temporary) Adjust temperature WED 70 FAN Inside AUTO SYSTEM HEAT Hold Temperature Until 8:00 AM 73 Set To Heat On SCHED HOLD CLOCK SCREEN MORE CANCEL Press to set . When the timer expires, the program schedule will resume. This will...
Owner's Manual - Page 15

... you set will turn off the program schedule. Press CANCEL (or SCHED) to permanently adjust the temperature. Whatever temperature you manually change it or press CANCEL (or SCHED) to cancel "Hold" and resume the program schedule. Program schedule override (permanent) RTH8500 Press HOLD Adjust temperature WED 70 FAN Inside AUTO SYSTEM 73 Set To Heat On HEAT...
Owner's Manual - Page 16

... extended periods of days. WSEDet temperature 70 FAN Inside AUTO 55 Set To SYSTEM HEAT Hold Temperature Until 6:00PM SCHED HOLD CLOCK SCREEN MORE CANCEL WED 2. Press HOLD twice, then press s or t to set . Press to cancel "Hold" and resume the program schedule. 14 Operating Manual Vacation hold 1. After this number of days you...
Owner's Manual - Page 17

... Auto Changeover: This feature is displayed on the indoor temperature. The heat will automatically adjust settings to 6 am , so the temperature is set . Compressor Protection: This feature forces the compressor to wait a few minutes before 6 am , and the temperature to Auto, the thermostat automatically selects heating or cooling depending on screen. When the system is 70°...
Owner's Manual - Page 18

... TO CLEAN SCREEN Note: Do not spray any settings. Avoid abrasive cleansers. 16 Spray liquids onto a cloth, then use the damp cloth to resume normal operation, or press SCREEN again if you can clean the screen without changing any liquid directly on the thermostat. Use water or household glass cleaner. The screen...
Owner's Manual - Page 19

.... Press DONE to replace your filter. Filter 60 Days RTH8500 If activated during installation, the furnace filter reminder alerts you when it is time to save and exit. Press MORE, then EDIT. 2. FAN AUTO CHANGE FILTER 70 Inside 55 Set To SYSTEM RESET HEAT 6:00 PM SCHED HOLD CLOCK SCREEN MORE Press MORE...
Owner's Manual - Page 20

... should replace batteries once a year, or before batteries are optional (to provide backup power) if your thermostat was wired to remove fom wallplate Batteries are depleted. Insert 3 fresh AAA alkaline batteries 18 Operating Manual ABbatotuetryyoruerplnaecwemtheenrtmostat Grasp thermostat and pull to run on AC power when installed. Install fresh batteries immediately when the LO...
Owner's Manual - Page 21

... power switch at heating & cooling system is on lower • This button will remain blank unless the furnace filter change right of difficulty RTH8500 If you have ...difficulty with your Installation Guide). blank 19 In case of screen is reminder is battery powered, make sure fresh AAA alkaline batteries are correctly installed (see System Setup in your thermostat...
Owner's Manual - Page 22

Make sure the temperature is set system to Heat. Wait 5 minutes for the system to Cool. Operating Manual In case of difficulty Heating or • Press SYSTEM to set lower than the Inside temperature. does not respond • Press SYSTEM to set cooling system higher than the Inside temperature. • Check circuit breaker and reset if necessary...

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