Dehumidify - Lennox ComfortSense 7500 Installation And Setup Manual

NOTICE
Risk of equipment damage.
Can cause compressor failure.
In dual fuel system applications, do not turn on
heat pump and furnace at the same time in sys­
tem test mode.
All HVAC components can be tested to confirm the
signals between thermostat and unit are being
sent and were received.
NOTES: After 5 minutes without a test being
initiated, the test modes is disabled and system
goes back to the normal mode (i.e. HOME
screen).
When in SYSTEM TEST MODE, the compressor
minimum off timer is bypassed.
Dehumidify Mode
Dehumidification (removing moisture from air) can
only occur when the thermostat is in cooling
mode.

Dehumidify

Terminal D State
Mode Setting
De-energized for dehumidification
and energized for all other modes.
De-energizing D terminal is used
Normal, Max
to reduce the speed of the indoor
or Humiditrol
blower during dehumidification. At
the same time the Y1 and Y2 (if
available) terminals become ener­
gized (24VAC).
Energized for de-humidification.
Dehumidification adjustment
will change the relative humidi­
ty (RH) setting between 45 to
RTU / Aux
Dehumidifier
60% RH (default setting is
50% RH). The lower the num­
ber, the more humidity will be
removed from the air.
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