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ANSI/RESNET/ACCA/ICC 310-2020 Standard for Grading the Installation of HVAC Systems

Special Price $45.00 Regular Price $50.00

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9781952468926

This Standard establishes the procedures, tolerances, and record keeping practices for evaluating and grading elements of an HVAC system’s design and installation. It is intended to support consistency in energy rating and labeling and is for use by home energy raters, energy auditors, or HVAC contractors. The Standard applies to Unitary HVAC systems and is comprised of five tasks: a design review, a total duct leakage test, a Blower Fan volumetric airflow test, a Blower Fan watt draw test, and a noninvasive evaluation of refrigerant charge. The five tasks are designed to be completed in sequence. With the completion of each task, the results are evaluated for compliance with specified thresholds. For Task 1, these thresholds are design tolerances. For Tasks 2 through 5, the thresholds are installation quality grades. Specified thresholds must be satisfied for Tasks 1 through 3 or the subsequent tasks cannot be completed.

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Description	This Standard establishes the procedures, tolerances, and record keeping practices for evaluating and grading elements of an HVAC system’s design and installation. It is intended to support consistency in energy rating and labeling and is for use by home energy raters, energy auditors, or HVAC contractors. The Standard applies to Unitary HVAC systems and is comprised of five tasks: a design review, a total duct leakage test, a Blower Fan volumetric airflow test, a Blower Fan watt draw test, and a noninvasive evaluation of refrigerant charge. The five tasks are designed to be completed in sequence. With the completion of each task, the results are evaluated for compliance with specified thresholds. For Task 1, these thresholds are design tolerances. For Tasks 2 through 5, the thresholds are installation quality grades. Specified thresholds must be satisfied for Tasks 1 through 3 or the subsequent tasks cannot be completed.

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