Installation Guide
Special functions
Early Start (Setup Function 13): Early start allows the heating or cooling to turn on before the
program start time, so the temperature is reached at the time you set.
Compressor Protection (Setup Function 15): Forces the compressor to wait a few minutes
before restarting, to prevent damage. During the wait time, the message Cool On or Heat On
(heat pumps only) will flash on the display.
Accessories & replacement parts
Please contact your distributor to order replacement parts.
Cover plate assembly*...................................... Part Number 50002883-001
*Use to cover marks left by old thermostats.
Specifications
Temperature Ranges
• Heat: 40° to 90°F (4.5° to 32°C)
• Cool: 50° to 99°F (10° to 37°C)
Operating Ambient Temperature
• 32° to 120°F (0° to 48.9°C)
Shipping Temperature
• -20° to 120°F (-28.9° to 48.9°C)
Operating Relative Humidity
• 5% to 90% (non-condensing)
Physical Dimensions
• 3-7/16"H x 4-10/16"W x 1-3/16"D
87mm H x 119mm W x 30mm D
Automation and Control Solutions
Honeywell International Inc.
1985 Douglas Drive North
Golden Valley, MN 55422
http://customer.honeywell.com
® U.S. Registered Trademark
© 2011 Honeywell International Inc.
69-2609EFS—03 M.S. Rev. 06-11
Printed in U.S.A.
Electrical Ratings
System
Voltage (50/60Hz)
Heat (1st stage)
(Powerpile)
Auxiliary heat
Cooling
Running Current
20-30 Vac
0.02-1.0 A
750 mV DC
100 mA DC
20-30 Vac
0.02-1.0 A
20-30 Vac
0.02-1.0 A