two.three This regular also establishes overall performance specs with the gear necessary to carry out the exams, defines methods of calculating and reporting the results attained within the exam data, and establishes a minimum amount performance reporting method which can be applied to air cleaning equipment coated by this regular.
a. Establish a uniform method of take a look at for getting the efficiency of air-to-air heat/Power exchangers;
two. SCOPE This guideline principally applies to air flow and IAQ for human occupancy in residential buildings a few stories or fewer in peak over grade, such as created and modular homes.
Residential or business buildings exposed to a fireplace or smoke celebration that have been destroyed by suspended and settled combustion particles, which include unconsumed fuel fragments with adhered tars, resins together with other compounds, contaminants, together with other corrosive elements.
2. Scope: This product gives the basis for frequent information and facts Trade between Management systems and end use units present in single- and multi-family members homes, commercial and institutional structures, and industrial services which is unbiased with the communication protocol in use.
one. Objective: This typical prescribes a method for measuring air-improve efficiency in mechanically ventilated Areas and buildings that satisfy specified standards.
This regular won't utilize to liquid-period refrigerant mass stream measurements exactly where the liquid circulation consists of circulating lubricant. Those measurements are throughout the scope of ASHRAE Regular forty one.ten.
are meant to transfer thermal Electrical power from a single temperature amount to a greater temperature level to deliver h2o at a thermostatically managed temperature lower than or equal to 180 °F (82 °C).
two.two In this particular common, an air-to-air heat/Electrical power exchanger is a device to transfer heat and/or drinking water vapor from one airstream to another. The types of air-to-air heat/Power exchangers covered by this typical are:
2.four The sphere knowledge collected and documented below this common are meant for use by constructing designers, operators and buyers, and by companies and installers of HVAC techniques.
Suitable credentialing requirements for people making use of this regular and reporting creating Electricity use.
2.2 This common applies in which all the move stream from the refrigerant or even the refrigerant/lubricant mixture enters the calorimeter like a subcooled new e-liquid liquid and leaves as a superheated vapor (evaporator-sort).
two.five This typical does not handle the design of setting up parts or envelopes to resist liquid h2o leakage from resources such as rain drinking water, floor drinking water, flooding or ice dams.
two. SCOPE: This standard relates to the following types of open up and closed professional fridges and freezers used for exhibiting or holding foods for which refrigeration is either expected or wanted: