Hunter 42122 Owner's Manual page 6

1. Holds 2 "AA" Batteries.
2. HE/HG Switch - allows you to set your furnace to Gas/Oil or Electric, based
on the type of system you have.
3. Allows your thermostat to operate your HVAC system* properly by indicating
the system type that you have.
*Conventional System: Uses a condensing unit for cooling and a
separate furnace system for heating.
*Heat Pump System: Uses the condensing unit for both heating
and cooling.
NOTE: If you are unsure of your system type it may be necessary
to contact our technical support department at 1-888-830-1326, your
HVAC manufacturer, or a local HVAC technician to determine this.
Improper selection of your system type could cause the thermostat to
not operate your system properly.
6
Know Your Thermostat
44047-01 • 06/18/2012