ASHRAE 221-2020 PDF

Standard 221 prescribes a field evaluation and test method to measure andscore the performance, in terms of delivered cooling or heating capacity or cooling efficiency, of an installed unitary HVAC system.

This standard

* Defines performance scoring methods for cooling and heating system delivered capacity and cooling system efficiency

* Establishes uniform methods of measurements and testing procedures for airflow, temperature, enthalpy, and power

* Specifies test instruments, specifications, and calibration requirements for performing such measurements and tests

* Specifies data required and calculations to be used

* Applies to single-zone unitary split and packaged direct expansion (DX) cooling, air-source heat pump, and combustion furnace HVAC systems of any capacity and with forced-air distribution systems

ANSI :	ANSI Approved
File Size :	1 file , 11 MB
Note :	This product is unavailable in Russia, Belarus
Product Code(s) :	D-86644, 86644
Published :	2020
Units of Measure :	Dual