Honeywell THM5421 Support Question
Honeywell THM5421 Support Question
Find answers below for this question about Honeywell THM5421.Need a Honeywell THM5421 manual? We have 1 online manual for this item!
Question posted by pennerf on September 18th, 2011
I Have A Thm5421 Honeywell With A Error Code 119 How Do You Fix It ?
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Related Honeywell THM5421 Manual Pages
Owner's Manual - Page 2
..., See www.dtsc.ca.gov/hazardouswaste/perchlorate. Registered Trademark.
Copyright © 2009 Honeywell International Inc. Never use sharp instruments, such as a pencil or pen, to the thermostat, always press keys with this product please visit http://yourhome.honeywell.com or call Honeywell Customer Care toll-free at 1-800-468-1502
Read and save these...
Owner's Manual - Page 3
... is preprogrammed and ready to go ! See page 2 to check settings.
Table of contents
VisionPRO® IAQ
About your new thermostat Programming at a glance 2 Quick reference to controls 3 Quick reference to status display......... 4
Programming & Operation Clock setting 5 Fan...
Appendices Advanced functions 20 In case of difficulty 27 Limited warranty 29
This thermostat is ready to go .
Owner's Manual - Page 4
... pages 17-19
ONE-TOUCH TEMP CONTROL: You can override the program schedule at 10 pm See pages 8-11 5. Operating Manual
About your new thermostat
Your new thermostat is pre-programmed and ready to Heat See page 7 4. Just set the time and day. Then check the settings below and change if needed...
Owner's Manual - Page 9
...
VisionPRO® IAQ
Press the SYSTEM button to select, then press DONE:
• Heat: Thermostat controls only the heating system.
• Cool: Thermostat controls only the cooling system.
• Off: Heating and cooling systems are off. • Auto: Thermostat automatically selects
heating or cooling depending on the indoor temperature. • Em Heat (only...
Owner's Manual - Page 10
... cancel period]
62 °
Cool (Sat-Sun)
78 ° 85 °
[Or cancel period]
78 °
[Or cancel period]
82 °
69-1815EFS-06
8 This thermostat is pre-set to adjust times and temperatures of each day. You can reduce your system for maximum energy savings. Operating Manual
EnergyStar® settings...
Owner's Manual - Page 15
... Protection: This feature forces the compressor to wait a few minutes before restarting, to replace filter or UV lamp. Adaptive Intelligent Recovery: This feature allows the thermostat to "learn" how long the furnace and air conditioner take to reach programmed temperature settings, so the temperature is displayed on the indoor temperature. Special...
Owner's Manual - Page 17
... 30 seconds, press DONE to resume normal operation, or press SCREEN again if you can clean the screen without changing any liquid directly on the thermostat.
Owner's Manual - Page 18
... indoor remote sensor is installed, the display shows the indoor temperature at the location of temperature readings from all sensors or an average between the thermostat and the sensor(s).
69-1815EFS-06
16 If more than one indoor sensor is displayed.
Owner's Manual - Page 19
... screen is displayed, then press s or t to the maximum level without frosting or fogging windows and without saving changes. Once frost no longer appears, the thermostat will not be displayed.
17
69-1815EFS-06 Note: If you do not have an outdoor temperature sensor, the Frost Control level will control humidity...
Owner's Manual - Page 20
... is displayed, then press s or t to exit without saving changes.
If you don't have a dehumidifier, the thermostat activates the air conditioner to reduce humidity (may cool as much as needed to control a dehumidifier, the thermostat can activate it as 3°F lower than your temperature setting).
Operating Manual
Dehumidification control
Press to select...
Owner's Manual - Page 21
To turn off the ventilator, select 0. Ventilation can still be requested by the installer, the thermostat will turn off /on the automatic ventilation only. If programmed for auto-ventilation by using the timer when set to Off.
19
69-1815EFS-06 ...
Owner's Manual - Page 24
... change 1 Restore factory default Energy Star settings
Backlight
Function 0280
Options:
Press s/t to turn the program schedule on or off:
Options: 0 Program schedule is off. Thermostat is non-programmable. 4 Program schedule is lighted:
0 Light on for approx. 45 seconds after keypress 1 Light always on low intensity, full bright after keypress
69...
Owner's Manual - Page 25
...; IAQ
Temperature format (°F/°C)
Function 0320
Press s/t to set the temperature display format:
Options: 0 Fahrenheit 1 Celsius
Daylight savings time on/off
Function 0330
The thermostat is pre-programmed to automatically adjust to daylight savings time (2007 and beyond, for areas that use the new 2007 DST calendar) 2 On: Auto-change...
Owner's Manual - Page 29
...: 40° to 90°F (4.5° to 32°C) • Cool: 50° to 99°F (10° to make sure the thermostat is on screen
• Contact your thermostat, please try the following suggestions. "Err" appears on . • Make sure furnace door is normal. See Advanced function 0280 on page 22...
Owner's Manual - Page 30
...; Make sure furnace door is closed securely.
• If "Wait" is displayed, the compressor protection timer is following the programmed fan setting. Auto indicates the thermostat is on.
does not respond • Press SYSTEM to set system to Cool.
Owner's Manual - Page 31
... state. Customer Care will make the determination whether the product should be returned to the following address: Honeywell Return Goods, Dock 4 MN10-3860, 1885 Douglas Dr. N., Golden Valley, MN 55422, or whether... THE FIVE-YEAR DURATION OF THIS WARRANTY.
This warranty shall not apply if it (at Honeywell's option).
This warranty gives you specific legal rights, and you . Some states do not...
Owner's Manual - Page 32
...,076; 7,044,397; D509151; H25192; Registered Trademark. © 2009 Honeywell International Inc. M.S. 07-09 Automation and Control Systems
Honeywell International Inc. 1985 Douglas Drive North Golden Valley, MN 55422
Honeywell Limited-Honeywell Limitée 35 Dynamic Drive Toronto, Ontario M1V 4Z9
http://yourhome.honeywell.com
® U.S. H25193 and other patents pending 69-1815EFS-06...
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