Button
Normal Functions
INITIAL STARTUP
When the unit is plugged in and power is sent to the controller, a beep will sound, con
fi
rming
that the controller is getting power. All LEDs on the display will blink three times. Three dashes
will then appear on the screen. All display LEDs will then blink three times. Once the controller
has gone through the initial startup process, and all LEDs have cycled, the home screen will be
displayed.
UNLOCKING THE
DISPLAY
Press and hold any button for one second to unlock the display. (A white LED will appear in the
top left corner of the button being pressed.) A beep will sound, signifying that the
display is unlocked.
NOTE
: The display must be unlocked before any button functions become
available.
ON/OFF
To turn the unit ON, press and hold the ON/OFF button until the red LED turns OFF.
To turn the unit OFF, press and hold the ON/OFF button until the red LED turns ON.
UP/DOWN
The up and down arrows are used to navigate through menus and adjust parameters such as
setpoint, Fon/FOF, etc.
SET
•
To change the setpoint, press the SET button. When “SEt” is displayed on the screen, press
the SET button once more. Use the UP and DOWN ARROW buttons in order to change the
value until the desired setpoint is reached.
•
The SET button allows you to view the setpoint, evaporator temperature, bottle tempera-
ture, alarms, and the hidden menu.
•
Press the SET button once. “SEt” will be displayed. Press the UP or DOWN ARROW buttons
to scroll through ALr, Pb1, or Pb2.
Set
Setpoint
Alr
Alarm folder
Pb1
Liquid (bottle probe) temperature
Pb2
Evaporator coil temperature
•
Press the SET button again to view any of these values.
•
Hold the SET button for approximately 5 seconds to enter the User Menu. (More informa-
tion about the User Menu is available on page 45.)
•
Other parameters in the User Menu which are not available for adjustment include: idF,
rEL, and LAn.
ESC
This button c
onfir
ms changes made to parameters such as the setpoint and returns you to the
previous menu.
LIGHT
The light function is not in use. However, this button can still be used to unlock the display.
55
°
F
55
°
F
55
°
F
55
°
F
55
°
F
55
°
F
CONTROLLER FUNCTIONS
Page 44
08/04/21
