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11
Keypad
Symbol
Color
Icon Indication
Icon Status
Red
Alarm – active when alarm is detected
Flashing when alarm is detected
White
Keypad
Select
– access to passcode , hold
5
sec to turn unit
ON/OFF, parameter menu, parameter setting, write or save to
EEPROM, and hold for
3
sec to return to main screen
ON
White
Keypad
Up
– navigate to previous parameter and increasing
parameter variable
ON only when reviewing parameters
White
Keypad
Down
– navigate to next parameter and decreasing
parameter variable, all inputs, unit status.
ON
Main field
Symbol
Color
Icon Indication
Icon Status
°C
White
When operating temperature in degrees Celsius
ON
°F
White
When operating temperature in degrees of Fahrenheit
ON
Main Field Line
1
White
Display inlet temperature
ON
Main Field Line
2
Orange
1. Display outlet temperature in standalone mode if outlet sensor
is present
2. Displays device ID for primary-secondary mode up to
10
units,
1
:
10
…
10
:
10
or lead-lag mode up to
2
units,
1
:
2
…
2
:
2
ON
Icons
Symbol
Color
Icon Indication
Icon Status
White
Compressor Running
• Flashing while waiting for
compressor to turn ON
• Steady ON while compressor is
running
White
Evaporator Running
ON
White
Electric heater ON
ON
White
Primary and/or lead controller
ON
White
Freeze control
Compressor and Condenser fan OFF
while illuminated
White
Power ON
ON
