• Do not switch the system to cool if the temperature is below 50ºF
(10ºC). This may damage the air conditioning system.
• Replace batteries when the battery icon indicates the low battery
message.
• Change the Air Filter when the Filter Change Icon begins blinking.
• Use this thermostat only as described in this manual.
REMOVE THE OLD THERMOSTAT--------------------------------------------
WARNING ! Electrical Shock Hazard
1.Turn off power at the main service panel by removing the fuse or
switching the appropriate circuit breaker to the OFF position before
removing the existing thermostat.