User manual HONEYWELL TH5220D

[. . . ] All rights reserved. FocusPROTM TH5220D Non-programmable Digital Thermostat Table of contents About your new thermostat Thermostat features . . . . . . . . . . . . . . . . . . . . . . . . 2 Setup at a glance . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 Quick reference to controls. . . . . . . . . . . . 4 Quick reference to display. . . . . . . . . . . . . . 5 Programming & Operation Fan setting (auto/on) . . . . . . . . . . . . . . . . . . . . . . 6 System setting (heat/cool/auto). . . . . . . . 7 Auto-changeover (heat/cool) . . . . . . . . . . 8 Compressor protection . . . . . . . . . . . . . . . . . . 9 Appendices Battery replacement. . . . . . . . . . . . . . . . . . . . . . 10 In case of difficulty . . . . . . . . . . . . . . . . . . . . . . 11 Customer assistance. . . . . . . . . . . . . . . . . . . . . . 13 Accessories/replacement parts . . . . 13 Limited warranty . . . . . . . . . . . . . . . . . . . . . . . . . . 14 CAUTION: EQUIPMENT DAMAGE HAZARD. To prevent possible compressor damage, do not operate cooling system when outdoor temperature is below 50°F (10°C). 1 Operating Manual About your new thermostat Congratulations on the purchase of your new Honeywell thermostat. It has been designed to give you many years of reliable service and easy-to-use, push-button climate control. Features · · · · · One-touch temperature control. [. . . ] Heat and cool settings must be at least 3 degrees apart. The thermostat will automatically adjust settings to maintain this 3-degree separation (called "deadband"). The 3-degree separation between heating and cooling set temperatures is fixed, and cannot be changed. 8 Press until screen displays "Auto" Note: The Auto system setting may not appear, depending on how your thermostat was installed. FocusPROTM TH5220D Non-programmable Digital Thermostat Built-in compressor protection Inside 75 Fan Auto ° Cool On System Cool Setting 75 Cool ° This feature helps prevent damage to the compressor in your air conditioning or heat pump system. Damage can occur if the compressor is restarted too soon after shutdown. This feature forces the compressor to wait for a few minutes before restarting. During the wait time, the display will flash the message Cool On (or Heat On if you have a heat pump). When the safe wait time has elapsed, the message stops flashing and the compressor turns on. Message flashes until safe restart time has elapsed 9 Operating Manual Battery replacement Press and pull to remove Replace Battery Insert fresh AA alkaline batteries, then reinstall battery holder Batteries are optional (to provide backup power) if your thermostat was wired to run on AC power when installed. Install fresh batteries immediately when the REPLACE BATTERY warning begins flashing. The warning flashes about two months before the batteries are depleted. Even if the warning does not appear, you should replace batteries once a year, or before leaving home for more than a month. Batteries provide backup power to the display during power interruptions. All other settings are permanently stored in memory, and do not require battery power. 10 FocusPROTM TH5220D Non-programmable Digital Thermostat In case of difficulty If you have difficulty with your thermostat, please try the suggestions below. Most problems can be corrected quickly and easily. Display is blank · · · · Check circuit breaker and reset if necessary. Make sure power switch at heating & cooling system is on. Make sure furnace door is closed securely. If thermostat is battery powered, make sure fresh AA alkaline batteries are correctly installed (see page 10). Temperature settings do not change Make sure heating and cooling temperatures are set to acceptable ranges: · Heat: 40° to 90°F (4. 5° to 32°C). · Cool: 50° to 99°F (10° to 37°C). 11 Operating Manual In case of difficulty Heating or · Press SYSTEM button to set system to Heat. Make sure the temperature cooling system is set higher than the Inside temperature. does not respond · Press SYSTEM button to set system to Cool. Make sure the temperature is set lower than the Inside temperature. · · · · "Cool On" or "Heat On" is flashing · Check circuit breaker and reset if necessary. Make sure power switch at heating & cooling system is on. Make sure furnace door is closed securely. Wait 5 minutes for the system to respond. Compressor protection feature is engaged. [. . . ] If you have any questions concerning this warranty, please write Honeywell Customer Relations, 1985 Douglas Dr, Golden Valley, MN 55422 or call 1-800-4681502. In Canada, write Retail Products ON15-02H, Honeywell Limited/ Honeywell Limitée, 35 Dynamic Drive, Scarborough, Ontario M1V4Z9. 16 Automation and Control Solutions Honeywell International Inc. 1985 Douglas Drive North Golden Valley, MN 55422 www. honeywell. com/yourhome Printed in U. S. A. on recycled paper containing at least 10% post-consumer paper fibers. [. . . ]