Tech@Addebook

HVAC System Control

Trane believes that it is incumbent on manufacturers to serve the industry by

regularly disseminating information gathered through laboratory research,

testing programs, and field experience.

The Trane Air Conditioning Clinic series is one means of knowledge sharing. It

is intended to acquaint an audience with various fundamental aspects of

heating, ventilating, and air conditioning (HVAC). We have taken special care to

make the clinic as uncommercial and straightforward as possible. Illustrations

of Trane products only appear in cases where they help convey the message

contained in the accompanying text.

This particular clinic introduces the reader to HVAC system control.

http://www.trane.com/Commercial/DNA/View.aspx?i=448

HVAC System Control Order Number: TRG-TRC017-ENPrice: $15 Introduction to automatic control of HVAC equipment and systems. (2002) Topics include:

• Control loops
• Types of control action (two position or on/off, floating, proportional, proportional-integral or PI, and proportional-integral-derivative or PID)
• Pneumatic, analog-electric, and microprocessor-based (DDC) controls
• Unit-level control versus system-level control
• Example: unit-level control loops for a VAV air handler
• Examples of system-level control (occupied versus unoccupied modes, morning warmup mode, changeover in a two-pipe system, water loop temperature control in a WSHP system)
• Examples of system optimization strategies (fan-pressure optimization, optimum start, chilled-water reset, WSHP loop optimization)
• Normally-open versus normally-closed actuators
• Common functions of a building automation system (responding to complaints, graphical user interface, time-of-day scheduling, centralized alarms and diagnostics, remote access, reports, preventive maintenance, integration with other systems, multiple-site support)
• Network terminology
• Dedicated vs. shared networks
• Communication protocols (BACnet, LonTalk)
• Interoperability

Free Download Links

http://mihd.net/38lt0z
http://rapidshare.com/files/67934294/control_of_hvac.pdf

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