CleaverBrooks ADAC 1000, Operation Manual

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Chapter 3 — Commissioning
3-6 Part No. 750-386
Variable Frequency Drive
• 4-20mA PLC analog output signal to command pump speed
• NO analog speed feedback signal
• VFD bypass available
Tray Sensors (monitor only) & alarm
• Temperature
• Pressure
Makeup Water Valves
• Two Valves Maximum (primary and secondary)
• To provide PID controlled makeup water to maintain tank level
• Reverse Acting Selection Available
Direct Acting: 4mA = valve closed; 20mA = valve fully opened
Reverse Acting: 4mA = valve fully opened; 20mA = valve closed
Pump Proving
• Verify pump operation by use of flow meter, pressure switch, or
current toroid. The proving signal must be wired to a PLC discrete
input and must be energized when the pump is running and de-
energized when the pump is stopped.
• Alarms can be disabled during setup to prevent nuisance tripping.
• Help Screen Available
3.4-System Configuration Screen 1 - Dual Tank
Tank Type must be specified for dual tank systems:
• Two Tank – Tanks are separate.
• Duo – DA and Surge are combined in one structure.
The HMI will have different displays for the Tank Overview Screen,
based on selection.
Figure 3-6 System Config 1 - Dual Tank