Honeywell RTH8500 Support and Manuals
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Most Recent Honeywell RTH8500 Questions
How Do You Change It To Celsius
(Posted by Anonymous-170590 2 years ago)
How To Unlock Rth8500 Honeywell
by mistake i locket my RTH8500 THERMOSTATE. i don't know how to unlock because I don't have a pin. I...
by mistake i locket my RTH8500 THERMOSTATE. i don't know how to unlock because I don't have a pin. I...
(Posted by dlknol 2 years ago)
Rth8500 To Set To Celcius
Hello, I would like to change the settings from Farenheit to Celcius. How to do that?Thank you,Ani
Hello, I would like to change the settings from Farenheit to Celcius. How to do that?Thank you,Ani
(Posted by oumhanibelhout 5 years ago)
It Works Not Right
Hello,Can you please show me how I can fix the problem with my RTH8500 Honeywell?We used it a couple...
Hello,Can you please show me how I can fix the problem with my RTH8500 Honeywell?We used it a couple...
(Posted by Katherinebui 6 years ago)
Popular Honeywell RTH8500 Manual Pages
Owner's Manual - Page 1
Operating Manual
RTH8500
Touchscreen Programmable Thermostat
69-1901EF-1
Owner's Manual - Page 3
...not operate cooling system when outdoor temperature is below 50˚F (10˚C).
CAUTION: EQUIPMENT DAMAGE HAZARD. Your new thermostat is preprogrammed and ready to go ! Table of contents
RTH8500
About your new thermostat Thermostat features 2 Programming at a glance 3 Quick reference to controls 4 Quick reference to status display......... 5
Programming & Operation Clock setting 6 Fan...
Owner's Manual - Page 4
Operating Manual
About your heating/cooling expenses. • One-touch temp control overrides program schedule at any time. • Precise comfort control keeps temperature within 1°F of reliable service and touchscreen climate control.
Features
• 7-day program schedules maximize comfort and economy. • Armchair programming: Just pull thermostat from the wall to set . &#...
Owner's Manual - Page 5
...-13
ONE-TOUCH TEMP CONTROL: You can override the program schedule at any time, and manually adjust the temperature (see page 8
4. Select system setting: Preset to Auto To change if needed:
1. RTH8500
Your new thermostat is set the time and day. Set clock...See page 6
2. Program schedules: Preset to go ! All you wake at 6 am, leave...
Owner's Manual - Page 6
Operating Manual
Quick reference to controls
Press day(s) to set program schedule (see page 11)
Press to select fan operation (see page 7)
Press to select system type (see page 8)
Press to set program schedule (see page 11)
MON TUE WED THU
FRI
SAT SUN
OK TO PICK MULTIPLE DAYS
70 FAN Inside
AUTO
70 Set To
SYSTEM...
Owner's Manual - Page 8
...: 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 s or t to exit without changing the time). Operating Manual
WED
Clock setting
70 FAN Inside
AUTO
70 Set To
Press CLOCK
6:01 AM
SCHED HOWLEDD CLOCK SCREEN MORE
70 70...
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
Compressor is locked out.
Press the SYSTEM button to select, then press DONE.
• Heat: Thermostat controls only the heating system.
• Cool: Thermostat controls only the cooling system.
• Auto: Thermostat automatically selects heating or cooling depending on how your thermostat was installed. Operating Manual
System setting
WED
70 FAN Inside
AUTO
SYSTEM HEAT
6:01 AM
70 ...
Owner's Manual - Page 12
... they can reduce your heating/cooling expenses by as much as 33%. (See next page to use EnergyStar® program settings. 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...
Owner's Manual - Page 14
... timer expires, the program schedule will be maintained only until the time you 've programmed for the current time period.
To cancel the temporary setting at any time, press CANCEL (or SCHED). Operating Manual
Program schedule override (temporary)
Adjust temperature
WED
70 FAN Inside
AUTO
SYSTEM
HEAT
Hold Temperature Until
8:00 AM
73...
Owner's Manual - Page 15
... program schedule.
This will be maintained 24 hours a day until you manually change it or press CANCEL (or SCHED) to resume program schedule
13
Program schedule override (permanent)
RTH8500
Press HOLD Adjust temperature
WED
70 FAN Inside
AUTO SYSTEM
73 Set To Heat On
HEAT
8:00 AM Permanent Hold SCHED HOLD CLOCK SCREEN...
Owner's Manual - Page 17
... when the system is 70° by the time you wake at the time you set to Auto, the thermostat automatically selects heating or cooling depending on before 6 am , and the temperature to prevent equipment damage. For example: Set the Wake time to 6 am , so the temperature is activated before restarting, to 70°...
Owner's Manual - Page 18
Operating Manual
WED
70 70 ASFAcbN roIenusideetnyoculeranneSieSntCwTRoEgENtLOhCKEeD rmostat AUTO
Press SCREEN
6:00PM
Following Schedule
SCHED HOLD CLOCK SCREEN... lock the screen for cleaning. Use water or household glass cleaner. After 30 seconds, press DONE to resume normal operation, or press SCREEN again if you require more time for 30 seconds so you can clean the screen without changing ...
Owner's Manual - Page 21
... furnace filter change
right of difficulty
RTH8500
If you have difficulty with your Installation Guide). Most problems can be corrected quickly and easily.
Button on . • Make sure furnace door is closed securely. • If thermostat is battery powered, make sure fresh AAA alkaline
batteries are correctly installed (see System Setup in your thermostat, please try the following...
Owner's Manual - Page 23
... be defective or malfunctions, Honeywell shall repair or replace it (at Honeywell's option). This warranty does not cover removal or reinstallation costs. In Canada, write Retail Products ON15-02H, Honeywell Limited/Honeywell Limitée, 35 Dynamic Drive, Toronto, Ontario M1V4Z9.
21 This warranty shall not apply if it ;
This warranty gives you specific legal rights, and you...
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