5 of 28 © 2009 D 527 - 06/09
Thermostat Displays
Symbols Description
HEAT
Heat is turned on.
COOL
Cooling is turned on. (Only on 530.)
FAN
Fan is turned on. (Only on 530.)
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. (Only on 530.)
COOL GROUP
The cooling group is cooling. Heating
can only start once cooling is finished.
(Only on 527 and 528.)
tekmarNet
®
COMMUNICATION
Communication is present.
WARNING SYMBOL
Indicates an error is present. Refer to
Troubleshooting Guide at the back of
this manual.
SECONDARY
DISPLAY
MAIN
DISPLAY
This display shows all potential symbols that may show up on your thermostat. They will be referred to throughout this manual,
so it is a good idea to become familiar with those that are applicable to your thermostat model (527, 528 or 530).
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