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[DOC File]ECM Motors and the Air balancing Technician
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It is common to close the first few dampers closest to the fan a little too much when making the first pass at balancing a system, knowing that as the SP increases, more air will be forced through the damper as you close the last few dampers, and the setting will go from a little too low to end up just right.
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[DOC File]SECTION 230593 - TESTING, ADJUSTING, AND BALANCING …
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LEED Prerequisite IEQ 1 requires compliance with requirements in ASHRAE 62.1, Section 7.2.2 - "Air Balancing." ASHRAE 62.1 requires that ventilation systems be balanced according to ASHRAE 111 or SMACNA's "HVAC Systems - Testing, Adjusting, and Balancing," or be equivalent at least to extent necessary to verify compliance with the standard.
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[DOCX File]SECTION 23 33 00
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Provide balancing dampers on duct takeoff to diffusers, grilles, and registers, unless dampers are specified as part of the diffuser, grille, or register assembly. Dampers shall be fitted with quadrant control and standoff to extend through insulation. Omit manual balancing damper at single diffuser served by a single air terminal box.
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SECTION 230593 - TESTING, ADJUSTING, AND BALANCING …
Coordinate balancing operations with controls system installation when setting damper linkages and minimum-outside-air dampers. Readjust dampers and improperly calibrated controls as required, in accordance with Division 23 Section “Pneumatic Control for HVAC Systems.”] [Division 23 Section "Facilities Monitoring and Control System".]
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Section 15820 - Dampers
Damper sensing tubes shall be integral with the damper blades. Airtight construction with integral gaskets for duct connection. Blade linkage parts shall be fully encapsulated and out of the air stream. Control: Manual, incremental calibrated hand guardant. ** NOTE TO SPECIFIER ** Delete transducer if …
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[DOCX File]SECTION 15820 - Remote Air Balancing Damper System
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BALANCING. DAMPERS. GENERAL. SECTION INCLUDES. Remote operated balancing dampers suitable for application in HVAC systems with velocities to 2000 fpm (10.2 m/s). SUMMARY. Section 233100 – HVAC Ducts and Casings (Previously 15810). Section 230913.13 – Actuators and Operators (Previously 15900). REFERENCES
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[DOCX File]Section 23 05 93 - TESTING, ADJUSTING, AND BALANCING …
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If balancing work is deemed necessary on the existing system, provide a description of the work involved in the Specification and indicate areas involved on the Drawings. GENERAL. DESCRIPTION. Testing, adjusting, and balancing (TAB) of heating, ventilating and air conditioning (HVAC) systems and plumbing water recirculation. TAB includes the ...
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[DOC File]SECTION 15820 - DUCT ACCESSORIES
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MANUAL BALANCING DAMPERS. Model: RCS-10R remote cable operated balancing damper. Ratings: Temperature Rating: -25ºF to 180ºF (-32ºC to 83ºC) Air Flow Rating: 1500 fpm (7.7 m/s) Differential Pressure Rating: 1 in. wg. (0.25 kPa) Construction:
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[DOC File]Dampers - Balancing
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For supply, return and exhaust systems, locate balancing dampers in each branch duct. Runouts to registers and diffusers: located as close as possible to main ducts. All dampers to be vibration free. Ensure damper operators are observable and accessible. cleaning. Proceed in accordance with Section 01 74 00 - Cleaning.
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[DOC File]SECTION 230593 - TESTING, ADJUSTING, AND BALANCING …
https://info.5y1.org/air-balancing-damper_1_9504fe.html
Mark equipment and balancing devices, including damper-control positions, valve position indicators, fan-speed-control levers, and similar controls and devices, with paint or other suitable, permanent identification material to show final settings.
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Air balancing damper