Minimum control and Monitoring points for Typical HVAC Equipment

Central Air Handling Units

  • Start/Stop
  • Heating Control
  • Cooling Control
  • Humidification Control
  • Supply Air Reset
  • Static Pressure Reset
  • Building and Zone
  • Pressurization Control
  • Damper Position (economizer)
  • Supply Air Discharge Temp
  • Return Air Temp
  • Mixed Air Temp
  • Supply Air Flow Rate
  • Filter Differential Pressure
  • Air Flow Measuring Station


Refrigeration Equipment

  • Start/Stop
  • Leave Water Temp Reset
  • Demand Limiting
  • Isolation Valve Position
  • Leaving Water Temp
  • Entering Water Temp
  • kW Draw
  • Flow
  • Return Air Flow Rate


Hot Water Boilers

  • Start/Stop
  • Leaving Water Temp Reset
  • Reset Isolation Valve Position
  • Leaving Water Temp
  • Entering Water Temp
  • Flow
  • BTU Draw


Cooling Towers

  • Start/Stop
  • Leaving Water Temp Reset
  • Flow
  • Isolation Valve Position
  • Entering Water Temp
  • Leaving Water Temp


Terminal Boxes

  • Start/Stop
  • Discharge Temp Reset
  • Supply Volume Reset
  • Heating Control
  • Zone Temp Reset
  • Minimum Volume Reset
  • Zone Temp
  • Supply Air Reset
  • Zone Pressurization Control


Pumps

  • Start/Stop
  • Discharge Pressure Reset
  • Differential Pressure
  • Flow


Utilities

  • Natural Gas Consumption
  • Electricity Consumption & Demand
  • Water Consumption
  • Fuel Oil Quantity