HVAC controls and systems
- نوع فایل : کتاب
- زبان : انگلیسی
- مؤلف : John I Levenhagen; Donald H Spethmann
- ناشر : New York : McGraw-Hill
- چاپ و سال / کشور: 1993
- شابک / ISBN : 9780070375093
Description
Ch. 1. Overview -- HVAC Design Considerations -- HVAC Systems -- Basic Control -- Supervisory Control (Building Automation) -- Optimizing Control -- Sources of Supply -- History of Supply -- Ch. 2. Thermostats -- Room Thermostats -- Unit Thermostats -- Special Thermostats -- Ch. 3. Dampers and Damper Motors -- Dampers -- Parallel Blade Versus Opposed Blade Dampers -- Fire and Smoke Dampers -- Manual Dampers -- Static Control Dampers -- Sizing of Automatic Dampers -- Damper Motors -- Pneumatic Damper Motors -- Electric Damper Motors -- Ch. 4. Automatic Valves -- Types of Automatic Valves -- Two-Way Automatic Valves -- Three-Way Automatic Valves -- Valve Actuators -- Valve Sizing -- Butterfly Valves -- Ch. 5. Pneumatic Transmitters, Indicating Receivers, and Receiver Controllers -- Transmitters -- Indicating Receivers -- Receiver-Controllers -- Ch. 6. Auxiliary Devices -- Pneumatic Relays and Cumulators -- Electric Relays -- Pneumatic Switches -- Electric Switches -- Transducers -- Pressure Controllers -- Clocks and Miscellaneous Devices -- Ch. 7. Construction Systems and Devices -- Air Compressors -- Control Air Systems for Pneumatic Controls -- Wiring Systems for Electric and Electronic Controls -- Troubleshooting Systems -- Ch. 8. Electric and Electronic Control Products -- Electric Control Components and Systems -- Oil Furnace -- Natural Gas Furnace -- Room Thermostats -- Commercial Electric Controls -- Electronic Control Components and Systems -- Residential Electronic Controls -- Commercial Electronic Controls -- Specifying an Appropriate System -- Ch. 9. Direct Digital Control -- Definition and Historical Evolution -- Functionality with Examples of Applications -- Sequence of Control for Fig. 9.1 -- Variations in Programming Methods -- Energy Management Functions and interfaces to DDC.
