CleaverBrooks ADAC 1000, Руководство по эксплуатации

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Chapter 3 — Commissioning
3-8 Part No. 750-386
Recirculation Valve
• Discrete Output Valve Control.
• Recirc valve open/close signal based on header pressure.
Auxiliary Analog Inputs
• 4 user configurable analog inputs.
• 1 input required if tray temperature is monitored.
• 1 input required if tray pressure is monitored.
Digital Input Present – Slot 5
• Required for Tank High/Low discrete level switches.
• VFD Bypass.
• One Pump per Boiler.
• If Slot 6 or Slot 7 is present.
Remote Set Point/Lead Lag Order by Comms
• Use Ethernet communications to change (write) lead lag pump
order or header pressure set point (VFD must be selected)
• Requires Communication Watchdog.
• Not available on one pump per boiler applications
English/Metric Unit Display
Not “on the fly” - analog values do NOT automatically rescale.
3.6-System Configuration Screen 2 - Dual Tank
Steam PRV
• Tank Pressure PID Control.
• If selected, Overflow Valve Control not available.
• Reverse Acting selection available.
Overflow Valve
• Linear Analog Overflow Valve Control.
• If selected, PRV Valve Control not available.
Figure 3-8 System Conffig 2 - Dual Tank