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Heat -- The first stage of heating will be energized for three minutes, then the first
and second stages (if a second stage exists) will turn on for an additional three
minutes. During the first stage of heating, the HEAT ON icons will be displayed.
During the second stage of heating (if one exists), the “2” next to the “On” will
be displayed if the system has a two-- stage compressor (A2, h2, or H2 unit
types). The “auxiliary heat on” icon will be displayed if the second stage is
electric heat (HP unit type). For Hybrid Heat installation or heat pump
installation, only 1 stage of auxiliary heat is available. Any staging of auxiliary
heat must be managed by the furnace or fan coil. While the heating test is active,
the humidify output can be toggled. On the programmable models, pressing the
button below the humidify icon shall toggle the state of the humidify output. On
the non-- programmable models, pressing the features button shall toggle the state
of the humidify output.
Installer test for cooling is the same as described for heating above. COOL ON
will be displayed during cooling in Installer Test Mode. While the cooling test is
active, the dehumidify icon shall be displayed if the dry contact has been
configured as a DH output. On the programmable models, pressing the button
below the dehumidify icon shall toggle the state of the dry contact output. On the
non--programmable models, pressing the features button shall toggle the state of
the dry contact.
In a heat pump application, when the mode is set to “em heat” the auxiliary heat
will turn on for 3 minutes. The clock display will count down from 180 to 0
during this test.
TO TEST FAN
Fan button switches FAN icon between AUTO and On. While On is displayed,
G output will be energized, turning fan on. Allow up to 10 sec after button is