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INSTRUCTIONS
4
Operating Your Thermostat
19 User Manual
Setting the SYSTEM Control Mode
The System Control has 5 modes of operation – AUTO, COOL, OFF, HEAT and EMER. The mode can be selected
by pressing the
SYSTEM
button to scroll through the different modes.
NOTE:
Depending on how your thermostat was configured, some system modes may not be available.
AUTO
The system will cycle between heating and
cooling automatically based on your program
set points. AUTO will be displayed with
either HEAT or COOL.
COOL
Only your cooling system will operate.
OFF
Heating and cooling systems are off.
HEAT
Only your heating system will operate
EMER
Operates a backup heat source
(Emergency Heat) for heat pump
systems only.
