Setting the auxiliary control
Auxiliary Controls – Aux Set Button
The electronic control for the unit comes preset from the factory to control the unit how "most" customers
would prefer the unit to operate. The presets (called modes or functions) can be modified to accommodate for
differences in installation parameters or personal preferences on how the unit should operate and perform.
If the owner modifies the auxiliary controls, it is then the owner that is responsible for ensuring the auxiliary
controls are set to the desired function. There are 12 different modes (functions) that can be set using the
auxiliary set button.
Modes of the Auxiliary Control
Mode 1 – Smart Fan Cool / Smart Fan Heat
Mode 2 – Temperature Units
Mode 3 – Freeze Sentinel/Heat Sentinel
Mode 4 – Constant ON Fan
Mode 5 – Temperature Limit Cool / Heat
Mode 6 – Thermostat
To change operating or set up parameters the control must be in AUX Mode. With power applied to the unit, press
the AUX SET button until the "
The display will look like this when entering the AUX Mode :
While in AUX Mode, press the MODE button to scroll through the different modes. Continue the press the MODE
button until the number corresponding to the mode to be modified is showing in the first digit of the display. Once
the correct number is displayed, use the +/- buttons to change the second digit of the display for that mode to
either "
П "
for On OR "
When the selection for a given mode is complete, press the MODE button to continue setting other auxiliary
control functions OR press the AUX SET button to confirm the selection and exit AUX SET mode.
Mode 1
Smart Fan—Cooling/Heating
Press MODE until a 1 first appears in the first digit of the
display for Smart Fan cool mode. To change to Smart
Fan heat mode, press MODE again.
Press the - pad to set the indoor fan to cycle on/off in the
heating or cooling mode selected "
Press the + pad to set the indoor fan to run continuously in
the heating or cooling mode selected "
Press AUX to confirm your selection and exit AUX mode,
or press MODE to continue setting other functions.
The default setting for Mode 1 is as follows:
Cooling: Continuous (ON)
Heating: Cycle (OFF)
*Note: In cyclic cooling mode, the indoor fan will activate
occasionally to verify air temperature in the room. In cyclic
heating mode, the fan will continue to operate for several
seconds after the heating function has stopped in order to
increase unit efficiency.
22
+
Mode
" appears on the display.
-
Aux
Set
Aux
Set
Mode
Auxiliary Set Mode
" for Off depending on the desired function.
."
."
Mode 7 – Fan Boost Mode
Mode 8 – Electric Heat Only
Mode 9 – Heat Boost
Mode 0 – Makeup Air Mode
Mode E – Makeup Air Occupancy
Mode d – Dehumidification
+
-
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