User Manual
Auxiliary controls on your Zoneline 
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While the unit is preset to what most customers prefer, 
the auxiliary controls located behind the room cover, 
below the control panel.
Remove the room cover. See the To Remove the Room 
Cover section.
If the owner modifies the auxiliary controls it is then the 
owner is responsible for ensuring the auxiliary controls 
are set to the desired function. There are 10 different 
modes that can be set using the auxiliary set button. 
To change operating or set up parameters, first go to 
the mode control and turn the unit off, then, press the 
red AUX SET button (“AU” appears on the display). 
Press the mode button on the control pad until the first 
digit in the display shows the number corresponding to 
the mode you are choosing and the correct HEAT/COOL 
LED is lit. 
Press the +/- button to make the mode setting 
selection where applicable (shown in the second digit of 
the display).
Press the red AUX SET button to lock in the selection, 
and exit AUX SET mode.
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Press MODE until a 1 appears in the first digit of the 
display for Smart Fan cool mode. The COOL LED light 
on the main control will be on. To change to heat mode, 
press MODE again. The HEAT LED light on the main 
control will be lit. 
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 SET to confirm your selection and exit AUX 
SET mode, or press MODE to continue setting other 
functions.
The default setting for Mode 1 is as follows: 
Cooling: Continuous (ON) 
Heating: Cycle (OFF)
MODE 1
7
*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.
(AZ65 Only)
(AZ65 Only)
Temperature
Display
Red 
Aux Set 
Button










