Thermostat Operation Manual

FX-Maxx Operations Manual
MODES OF OPERATION
Off Mode
When the FX-Maxx is in the off mode, all control outputs are turned off. Operating parameters
and user settings are saved in nonvolatile memory.
On Mode
When the control is in the on mode, power will be supplied to the appropriate control outputs
and the display will indicate the current state of operation. The operating and program parame-
ters resume based on those stored the last time the unit was operating.
Cool Only Mode
When Cool LED is on, only the cooling systems are selected and operated as required. When
the temperature drops below the set point, the system will not automatically switch to the heat-
ing mode. Cooling only is available for customers that do not want automatic cooling and heat-
ing operation.
Heating Only Mode
When the Heat LED is on, only the heating systems are selected and operated as required.
Should the temperature rise above the set point, the system will not automatically switch to the
cooling mode. Heating only is supplied for customers that require the system to not automati-
cally switch from the heating to the cooling mode.
Automatic Mode
When the Automatic LED is on, both heating and cooling are supplied as required. The heat
and cool LEDs will be lit according to the mode required. When the system requires compres-
sor operation for heating or cooling the right most decimal point [ I 8] will turn on when the
compressor ISon.
Temperature in a given mode will be maintained at two degrees Fahrenheit 2° F, however, a
four degree difference is required to allow the control to change modes. Once in a new mode,
the temperature will remain within two degrees Fahrenheit 2° F of the set point.
Moisture Mode
While in the on mode, press the Mode Button until the Moisture Mode LED is illuminated.
Every four (4) hours, the fan is started and air circulated for thirty (30) minutes. During this
time the air temperature is sampled and entered into memory. The cooling cycle is started and
continues until the temperature is lowered 2° F. The compressor is allowed a maximum of one
hour running time to reach the desired temperature. Four (4) hours after the temperature is sat-
isfied or the compressor the cycle will be repeated. The right most decimal point is lit while the
. .
compressorISrunmng.
Revision: 03 01/02/98
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