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APC NetworkAIR AFX Series: Standard Features 7
Standard Features
Microprocessor
controller
The microprocessor controller provides state of the art control for a wide
variety of environmental applications including the demanding requirements
of data centers, control rooms, clean rooms, switch rooms, MRI facilities,
CAT scan facilities and UPS Rooms. Operator Interface is provided by the
four-line, 80-character backlit LCD display. A user-friendly menu structure
along with clearly defined prompts allow the operator to easily move about
the program. Within the configuration menu the operator will find numerous
selections allowing the AFX to be tailored to meet specific requirements.
Status. Complete status monitoring is provided within the status menu of the
microprocessor controller.
Available information includes:
Alarms. Quick access to any alarm condition is facilitated through the menu
structure. The alarm key acts as a hot key, providing immediate access to the
alarm display menu. Presence of a new alarm will sound the audible alarm.
The red alarm LED on the display panel will remain illuminated until all
alarms have been cleared. The temperature and humidity alarm setpoints are
adjustable.
Alarm annunciations include:
Setpoints. The microprocessor is provided with independent setpoints for:
Automatic setpoint crossover protection will prevent the setting of the heat
setpoint above the cool setpoint and the humidify setpoint above the
dehumidify setpoint. Setpoint adjustment can be restricted to only operators
with knowledge of the security codes set within the security menu structure.
Configuration. Flexibility is offered through the use of the configuration
menu. Operating requirements are satisfied by changing the configuration
settings. New configurations are stored in EEPROM and protected from
unauthorized tampering by the four-digit security password, selected in the
security menu.
• Current temperature • Cooling status
• Current humidity • Heating status
• Temperature setpoint • Humidification status
• Humidity setpoint • Dehumidification status
• Loss of airflow • High temperature
• Clogged filter • Low temperature
• High head pressure • High humidity
• Low suction pressure • Low humidity
• Heating • Humidification
• Cooling • Dehumidification