24
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
Mode Setting
Terminal D State
Normal, Max
or Humiditrol
De-energized for dehumidification
and energized for all other modes.
De-energizing D terminal is used to
reduce the speed of the indoor
blower during dehumidification. At
the same time the Y1 and Y2 (if
available) terminals become ener
gized (24VAC).
RTU / Aux
Dehumidifier
Energized for de-humidification.
Dehumidification adjustment will
change the relative humidity
(RH) setting between 45 to 60%
RH (default setting is 50% RH).
The lower the number, the more
humidity will be removed from
the air.
A selection option under Installer settings >
Humidity settings > Dehumidify > Dehumidify
mode must be enabled before the user will have
control over the humidity. The mode selected
determines how the user can adjust the relative
humidity (RH). The installer settings include:
1. NORMAL
2. MAX
3. RTU/AUX DEHUMIDIFIER
4. HUMIDITROL
5. OFF
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