3 of 12 © 2008 D540e - 02/08
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Symbols Description
HEAT
Heat is turned on.
COOL
Cooling is turned on.
FAN
Fan is turned on.
SUN
Operating at the occupied (day)
temperature.
MOON
Operating at the unoccupied (night)
temperature.
CLOCK
Operating on a programmable
schedule.
AWAY
Operating at the Away scene
temperature.
WARM WEATHER SHUT DOWN
The heating system has been shut off
for the summer.
COOL GROUP MASTER
Thermostat operates the cooling for a
group of thermostats.
tN4 COMMUNICATION
Communication is present.
WARNING SYMBOL
Indicates an error is present.
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