System Switch (Heat/Cool) - Honeywell PRO TH3110B Operating Manual

PRO TH3110B Digital Thermostat
System switch
Set switch to control the heating or
S S Y Y S S T T E E M M
cooling system.
The switch can be set to
S S Y Y S S T T E E M M
control your heating or cooling
system, depending on the season.
When set to the Off position, the
thermostat will not activate the
heating or cooling system.
CAUTION: EQUIPMENT DAMAGE
HAZARD. To prevent possible
compressor damage, do not operate
cooling system when outdoor
temperature is below 50°F (10°C).
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