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© 2011
D 530 - 12/11
Button Operation
The Mode button selects between Auto, Cool, Heat, and Off.
Heat Mode:
The heating system operates to maintain the Set
Room Heat temperature.
Cool Mode:
The cooling system operates to maintain the Set Room
Cool temperature.
Auto Mode:
The heating system operates to maintain the Set Room Heat temperature.
Likewise the cooling system operates to maintain the Set Room Cool temperature.
The thermostat will prevent the Set Room Heat and the Set Room Cool settings
from getting closer than 3°F (1.5°C).
To switch from heating to cooling, the heat must be off for at least a 30 minute
interlock period and the actual Room temperature must be at least 3°F (1.5°C)
above the Set Room Heat temperature.
To switch from cooling to heating, the cooling must be off for at least a 30 minute
interlock period and the Room temperature must be at least 3°F (1.5°C) below
the Set Room Cool temperature. Cooling has priority over heating.
Off Mode:
The heating and cooling are shut off except heating for freeze
protection.
Mode
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Fan
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The fan button manually turns the fan on or off.
Auto:
Fan is usually off but can operate with heating or cooling.
On:
Fan is on all the time.
10 to 90%:
Fan operates a minimum of this percentage each hour.
Press the
or the
button to select the room temperature. The display indicates
whether the “HEAT” or the “COOL” temperature is being changed.
Use the or
button to adjust
temperature.
If in Auto mode, press the Mode
button to toggle between Heat or
Cool temperature adjustment.
Room
or
Temperature
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