Lennox ComfortSense 7500 Installation And Setup Manual page 31

Note: If the last thermostat demand was a heating
demand, the thermostat does not require a cooling
demand before Humiditrol
Humidity Sensor Fault
If the humidity sensor fault occurs, the thermostat
shuts off dehumidification.
Other Humiditrol
If the outdoor sensor is disconnected while
HUMIDITROL is enabled, the thermostat will not
allow operation in dehumidification mode.
Set point range: 45 to 60% Relative Humidity
(RH). Factory default - 50%.
Relative Humidity controls to within 3% on either
side of RH set point.
When dehumidify mode is in NORMAL or MAX or,
HUMIDITROL, "D" terminal works in reverse
logic.
NORMAL, MAX and HUMIDITROL modes are
disabled by default from the factory.
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operation.
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EDA Notes
As a precaution, regardless of how low the heating
set point has
dehumidification is inhibited below 65ºF indoor
temperature.
Economizer
Economizer control means that for every period in
the day that the unit is in occupied mode, the
occupancy out Ec (relay output) shall be
energized whenever there is a demand for fan (G
is active). The thermostat does not directly control
the damper position. The output from the
thermostat will be wired to an economizer
controller or a unit controller which will control the
position of the damper.
Table 3. Terminal Ec Operation
Effective
Occupancy
Occupied
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been set, Humiditrol
Call for Terminal EC
Cooling State
- Energized
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