A Practical Guide to Noise and Vibration Control for HVAC by Mark E. Schaffer

By Mark E. Schaffer

A advisor that provides ideas for controlling the noise and vibration of HVAC platforms.

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Extra resources for A Practical Guide to Noise and Vibration Control for HVAC Systems

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3. If the central plant is in an occupied building, install all equipment and piping with vibration isolators in accordance with the “Vibration Isolation Selection Guide” table in Chapter 5. 4. Make electrical connections to all central plant equipment with slack, flexible conduits. 5. For noise control to noise-sensitive areas, either above or below, consider the following options: a. For upward noise control, use a building standard slab and a noise control enclosure around the chillers and air compressors (see Figure 1-6).

9 --``,,`,``,```,,`,,```````,,`,,,-`-`,,`,,`,`,,`--- Table 1-2. Selection Guidelines for Slabs Separating Mechanical Equipment Rooms from Noise-Sensitive Occupied Spaces © 2011 American Society of Heating, Refrigerating and Air-Conditioning Engineers, Inc. org). For personal use only. Additional reproduction, distribution, or transmission in either print or digital form is not permitted without ASHRAE's prior written permission. General Design Guidelines Labyrinth air path used for sound attenuation at an equipment room ventilation opening.

The placement of the unit and ductwork in the room should allow smooth airflow from the return air openings to the AHU inlet. 3. The type of unit and the location of its discharge opening(s) should allow the use of a supply duct system that meets the requirements of SMACNA for smooth airflow from the AHU discharge and through the supply ducts. 4. In VAV systems, fan capacity should be controlled with a variable frequency drive (VFD) motor speed controller. 5. Where possible, allow for a vestibule between the AHU room and the occupied space.

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