PS4000/PS5000 Touchscreen Programmable Thermostat
Operating Relative Humidity (Non-condensing):
5% to 90%
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
6
Batteries:
Two replaceable AA alkaline batteries will power the thermostat when 24V AC common is not
used. A non-replaceable lithium battery with ten-year life is inside the thermostat. Under
normal use the lithium battery will maintain the calendar and time settings. The alkaline
batteries maintain the calendar and time after lithium battery is no longer functional.