What are the INSTALLER settings?
The INSTALLER SETTINGS are setup during the initial installation. They tell the thermostat how to function with your heating or
cooling equipment. The following is a brief overview and discussion of these settings.
SYSTEM SETUP
Choose the system component that the thermostat will control.
With the 81M26, either a furnace or a single-stage heat pump (with no auxiliary heat)
can be used. If FURNACE is selected, then either a GAS/OIL or ELECTRIC furnace
can be used.
1st STAGE HEATING
With the 81M27, either a GAS/OIL or ELECTRIC furnace can be used.
21