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62-11848
Unit Operating LEDs
Green Light Status
Under normal operation, the green LED will indicate the temperature control status as follows:
Figure 3.2 Green Light Status
Red Light Status
When an alarm has been detected, the red unit indicating light flashes at 1 Hz. The light will continue to flash at
1 Hz until the alarm is cleared. At that point the steady green indicator light will light and the alarm will become
inactive.
b. Keypad
The keypad consists of six keys that enable the operator to activate various functions, display operating data and
modify operating parameters.
Manual defrost control key.
Unit start-up key
Unit shut-down key
The unit can also be shut down with the ignition key.
The SET key, together with the + and -- keys, enables display and
modification of unit operating data. The display scrolls through pa-
rameters each time the SET key is pressed.
Decrease key to select requested settings in different menus.
Increase key to select requested settings in different menus.
SETPOINT
COOLING
HEATING
Steady green
LED
Green LED is
OFF
Green LED
flashing 1 Hz
NULL
BAND
