FORM 150.72-EG6 (516)
JOHNSON CONTROLS
13
Equipment Overview (Cont'd)
•
Number of compressors
•
Low liquid temperature cut-out
•
Low suction pressure cut-out
•
High discharge pressure cut-out
•
Anti-recycle timer (compressor start cycle time)
•
Anti-coincident timer (delay compressor starts)
UNIT
section to:
•
Set time
•
Set unit options
In addition, the microprocessor control center is capable of displaying the following data
points:
•
Return and leaving liquid temperature
•
Low leaving liquid temperature cut-out setting
•
Low ambient temperature cut-out setting
•
Outdoor air temperature
•
English or Metric data
•
Suction pressure cut-out setting
•
Each system suction pressure
•
Discharge pressure (optional)
•
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/stop times
•
Holiday status
•
Automatic or manual system lead/lag control
• Lead system definition
•
Compressor starts & operating hours (each compressor)
•
Status of hot gas valves, evaporator heater and fan operation
•
Run permissive status
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