Chapter 3 — Commissioning
Part No. 750-386
3-5
3.3.1 - Common Header
A header pressure sensor is required for common header systems.
Pump control method can be either contactor or VFD.
3.3.2 - One Pump per Boiler
Header pressure sensor not required; uses a discrete “Water
Required” input for pump on/off control.
Auxiliary analog inputs required to view header pressure if desired
(not required).
Pump control by contactor only; VFD pump control not available.
3.3.3 - System Options
After selecting System Type and Pump Control, a number of options
remain to be configured on Configuration Screen 1.
Header Pressure Sensor
• Required for Common Header Pump Control (VFD or Contactor)
• Required for PLC controlled Recirculation Valve
• Required for Pump Lead Lag
Tank Temperature
(monitor only) & alarm
Tank Level
• Required for Makeup Water Valve Control
• Overflow Valve Control
• Pump Auto Restart
Tank Pressure
• Required for PRV Valve Control
Figure 3-5 System config. warning
Содержание ADAC 1000
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