JOHNSON CONTROLS
FORM 150.67-EG1 (219)
8
MicroComputer Control Center (Cont'd)
• Low suction pressure cutout
• High discharge pressure cutout
• Anti-recycle timer (compressor start cycle time)
• Anti-coincident timer (delay compressor starts)
• UNIT section to set the following rules:
• Set time
• Set unit options
• UNIT ON/OFF switch
The microprocessor control center can display the following information:
• Return and leaving liquid temperature
• Low leaving liquid temperature cutout setting
• Low ambient temperature cutout setting
• Outdoor air temperature
• English or Metric data
• Suction pressure cutout setting
• Each system suction pressure
• Discharge pressure (optional)
• Liquid Temperature Reset via a Johnson Controls ISN DDC or Building Automation
System (by others) via:
• A pulse width modulated (PWM) input as standard
• A 4-20 milliamp or 0 -10 VDC input, or contact closure with the optional B.A.S.
interface option
• Anti-recycle timer status for each system
• Anti-coincident system start-timer condition
• Compressor-run status
• No-cooling load condition
• Day, date, and time
• Daily start or stop times
• Holiday status
• Automatic or manual system lead or lag control
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