System Installation Guide
24
69-2490 —03
Indoor sensor operationWireless indoor sensor
Temperature control
Thethermostatcanbesettorespondtoits
internaltemperaturesensor,ortoanoption-
alremoteindoorsensor.Ifmultiplesensors
areused,thethermostatwillrespondtoan
averageoftemperaturesdetectedateach
sensor.
Humidification control
Ifoptionalremoteindoorsensorsare
installed,youcanchoosewhichsensoryou
wanttouseforhumidificationcontrol.You
can use a different sensor for dehumidifica-
tion.
Dehumidification control
Ifoptionalremoteindoorsensorsare
installed,youcanchoosewhichsensor
youwanttousefordehumidificationcon-
trol.Forexample,youcanuseonesensor
forhumidificationcontrol,andanotherfor
dehumidification.
The thermostat can use up to 6 optional wireless sensors.
Battery level indicators (when batteries are inserted)
• Good: Status light flashes green for 5 seconds.
• Low: Status light flashes red for 5 seconds. Use fresh batteries.
Battery level indicators (during use)
• Good: Status light remains off.
• Low: Battery power will be depleted in about 2 months. Thermostat displays Low Battery warning. Status light
remains off.
• Critical: Battery power will be depleted in about 3 weeks. Status light flashes red.
69-2490_B.indd 24 7/13/2011 1:42:01 PM