Comfort Stat CDT901 User Manual
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CDT900 Series Touchscreen Programmable Thermostata
Operating Relative Humidity (Non-condensing):
CDT900 Series Thermostats: 5% to 90%.
IRS-1: 5% to 95%.
ORS-1: 5% to 95%.
Humidity Setting Range (CDT901 models only):
Cooling: 40% to 80% RH.
Humidity Display Range (CDT901 models only):
0% to 99%.
Cycle Rates (at 50% Load):
Heating: Selectable 1 - 12 cycles per hour.
Cooling: Selectable 1 - 6 cycles per hour.
Clock Accuracy: +/- 1 minute per month.
Batteries:
Two replaceable AA alkaline batteries: Power thermostats when 24 Vac common is not used.
Non-replaceable lithium battery with ten-year life under normal use to hold calendar and time
settings. Alkaline batteries keep calendar and time after lithium battery is no longer
functional.
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