HAC 222 - Pneumatic Controls for HVAC

 
Description
The course includes the setup, adjustment and maintenance of pneumatic control components and systems to assist in green building performance, energy usage and affordability. Pneumatic topics, such as the compressor station, 1-pipe and 2-pipe thermostats, humidistats, single and dual input receiver controllers, relays and final control devices are covered. This equipment is demonstrated in the classroom and includes various manufacturers’ devices.

1. Explain proportional control theory using graphics.
2. Identify dampers, actuators, valves and positioners in relation to their application for efficient energy utilization.
3. Analyze the sequencing of pneumatic systems for energy usage.
4. Identify valve types as they relate to specific control sequence.
5. Adjust and calibrate the following pneumatic controllers: 1-pipe and 2-pipe thermostats and humidistats, deadband and summer/winter and day/night thermostats, and master/submaster control schemes with various transmitters.
6. Explain the use, function and application of various pneumatic relays.
7. Design and set up a reset schedule for a hot water system for efficient energy utilization.

1. Types of control systems
2. The air station
3. Pneumatic controllers: 1-pipe, 2-pipe, master-submaster, receiver-controller
4. Pneumatic relays
5. Final control devices
6. Control applications

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