This handbook was written to serve as a complete and concise reference for
those engaged in the operation and maintenance of automatic control systems
serving building heating, ventilating and air conditioning systems. The full
range of topics pertinent to the effective operation of all types of HVAC
control systems are explored, including equipment-to-control interactions,
control system set-up and functions, local loop to building automation
system interfaces, performance prediction and assessment, operational
parameters, and maintenance and testing. The third edition includes an
additional chapter covering the installations and procedures required to
update an existing pneumatic control system to a hybrid pneumatic and direct
digital system by adding DDC signal sensing and control algorithms to existing
pneumatic actuators on dampers and valves.

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