HVAC 1321 - Advanced Hydronics and Controls I

• Discuss, identify and demonstrate safety principles as applied to
  • pumps and valves,
  • types of pumps used in hydronic systems,
  • types of valves used in hydronic systems,
  • internal components of pumps and valves,
  • remote communications,
  • monitoring and alarming,
  • discuss energy accounting,
• draw
  • pneumatic circuits that conform to standard industry logic and
  • symbols using appropriate system control loops and controls,
  • a ladder diagram of a given system,
  • pneumatic piping systems.  
• Define and explain the use or function of
  • water valves,
  • zone valves
  • input and output,
  • pneumatic components and
  • the performance o each component.
• Demonstrate proper use of test equipment for
  • testing the above items,
  • adjusting water flow for proper gallons per minute (GPM) and temperature difference,
  • disassemble and reassemble a variety of pumps and valves,
  • checking amp draws,
  • troubleshooting of faulty pneumatic controls,
  • identifying and draw all electrical symbols used by the HVACR industry in diagrams,
  • use of air pressure test instruments to diagnose pneumatic troubles and correct system performance,
  • measuring air valves for heating/cooling applications, and
  • measuring operability of various actuators.
• Select appropriate pumps and valves for heating/cooling applications, and plot various system curve pump graphs.
• Interpret pneumatic diagrams into sequence of operation, detailed instructions for wiring circuits.
• Develop a methodical routine for pneumatic troubleshooting, a methodical routine for electrical switches that are mechanical connected to pneumatic controls.
• Analyze electrical performance of each component.
• Describe
  • electrical mechanical sequence from electrical schematic,
  • the type of pneumatic thermostats,
  • describe pneumatic/mechanical sequences of operation of control systems.