Online HVAC and Refrigeration Training

HVAC Excellence Competency and Task List for Building Automation Certification

Students should have prior knowledge of:

  • Basic computer operations
  • Proper use of hand tools
  • Electrical Principles
  • Basic wiring techniques
  • Reading schematic diagrams
  • Intepreting a systems operational sequence from a schematic diagram
  • Converting schematic diagrams to Ladder diagrams
  •  NEC usage
  • Ampacity calculations
  • Psychrometer principles
  • Identifying what property each line on a psychrometric chart represents
  • The ability to plot any two basic points on the psychrometric chart and evaluate the data
  • Define standard air volume, velocity and static pressure

Students must have knowledge of and be able to demonstrate proficiency in DDC Fundamentals:

  • Defining the following: range, setpoint, dead band, bias, trending, scheduling, digital, analog, input, output, variable, logic, actuator, positioner, Ethernet, fieldbus
  • Reading and interpreting commercial building prints- lighting, electrical, mechanical, plumbing, and HVACR.
  • Reading and interpreting commercial building schedules located on prints
  • Defining and describing the function of a DDC system
  • Describing the functions and advantages of a Building Automation System
  • Explaining how DDC systems are used to improve the Energy Management of a building.
  • Explaining proportional control theory.
  • Explaining Derivative control theory.
  • Listing the major NEC articles related to Low-voltage systems/networks.
  • Creating flow charts to illustrate the operational sequence of- VAV, AHU, cooling towers, rooftop units, etc.
  • Creating and maintain documentation related to a BAS install – to include hardware components and address schematics

Students must have knowledge of and be able to demonstrate proficiency in Building Automation Networks:

  • Listing the Layers 1-7 of the OSI Model
  • Explaining TCP/IP protocols
  • Defining and describing the following network topologies: bus, ring, star
  • Describing Ethernet applications and operations
  • Explaining RS-485 network standards.
  • Explaining RS-232 network standards.
  • Comparing different bus architecture used in the BAS industry
  • Contrasting open networks to closed networks.
  • Listing and contrasting the most common BAS open network protocols: Modbus, LonWorks, BACnet, OPC
  • Defining and describing “points” in a DDC control system.
  • Creating network diagrams using MS Visio or related software.
  • Fabricating of an Ethernet patch-cable
  • Demonstrating common cabling practices used in the BAS industry, per NEC requirements.
  • Wiring/networking a unit controller to a room operator, per NEC requirements.
  • Describing the function and application of a Java Application Control Engine (JACE) controller.
  • Describing the function and application of a field controller.
  • Describing the function and application of a room operator.
  • Describing the function and of a PLC used in refrigeration applications.
  • Installing controllers, per NEC requirements.
  • Configuring a room operator/controller.
  • Adding virtual points to network database.
  • Adding network addresses to network database.

Students must have knowledge of and be able to demonstrate proficiency in Building Automation Controllers:

  • Describing the function and application of a Java Application Control Engine (JACE) controller.
  • Describing the function and application of a field controller.
  • Describing the function and application of a room operator.
  • Describing the function and of a PLC used in refrigeration applications.
  • Installing controllers, per NEC requirements.
  • Configuring a room operator/controller.
  • Adding virtual points to network database.
  • Adding network addresses to network database.

Students must have knowledge of and be able to demonstrate proficiency in Digital Logic and Programming:

  • Comparing the following expressions of logic – relay logic, truth tables, ladder logic, Boolean algebra, logic gates.
  • Defining and describing the following digital numbering systems- decimal, binary, octal, hexadecimal.
  • Contrasting analog and digital communication
  • Defining microprocessor control systems.
  • Identifying different types of data points: numeric, Boolean, enumerated, string.
  • Converting between the different expressions of logic (e.g., relay logic to Truth Tables)
  • Developing flow charts for simple programs using MS Visio or related software.
  • Connecting a laptop/workstation to a field controller
  • Using a laptop to configure a field controller
  • Programming controllers using; line-programming, icon-based programming, or block programming.

Students must have knowledge of and be able to demonstrate proficiency in Sensor Installation and Applications:

  • Identifying the types of sensors that measure- temperature, humidity, pressure, velocity, level, proximity, co2, motion, photoelectric diode.
  • Describing the proper application of sensors that measure – temperature, humidity, pressure, velocity, level, proximity, co2, motion, photoelectric diode
  • Wiring sensors to unit controllers, per NEC requirements.
  • Addressing points for various input sensors types
  • Configuring inputs to unit controllers.

Students must have knowledge of and be able to demonstrate proficiency in Actuator Installation and Applications:

  • Identifying the types of the following output components- control valve, regulators, dampers, variable-speed drive, solid-state relay, TRIAC.
  • Describing the proper application of the following output components – control valve, regulators, dampers, variable-speed drive, solid-state relay, TRIAC.
  • Wiring actuators to unit controllers, per NEC requirements.
  • Addressing points for various output devices
  • Configuring outputs to unit controllers
  • Configuring a VFD to operate with a BAS network.

Students should have knowledge of and be able to describe and demonstrate the following safety requirements:

  • Ladder safety procedures
  • Fall protection safety procedures
  • Lock Out and Tag Out procedures
  • Electrical Shock, prevention
  • Identifying the safety ground
  • Identifying the “Hot” conductor
  • Identifying “Neutral” conductor
  • Proper PPE requirements
  • Emergency First Aid procedures
  • Safe use of power tools

Knowledge of the following test instruments and or tools is required:

  • Personal Computer
  • Digital Voltmeter
  • Digital Ohmmeter
  • Digiatl Clamp-on Ammeter
  • Digital Balometer
  • Digital Manometer
  • Digital Anemometer
  • Digital Psychrometer
  • Pressure Gauges