a) requirements for choosing analytic techniques b) requirements for inputs c) requirements for evaluation and usage of outputs
2. SCOPE: This doc delivers advice within the methods to follow when measuring gas-section concentrations of contaminants in professional structures. The topic measurements are Those people employed to establish present, baseline or adjusted problems to be a function with the building devices or inside environments.
Goal: The purpose of this conventional is to specify methods of tests for rating the capacity and effectiveness of self-contained, mechanically refrigerated vending equipment for sealed beverages.
This Conventional won't apply to stroll-in coolers, or fridges and freezers wherever the refrigerated air is in communication with stroll-in coolers.
one. PURPOSE: The objective of this standard is to describe lubricants used in refrigeration and air-conditioning programs based on molecular framework, Bodily Houses, and chemical Houses. Since the Homes of typically identical lubricants can vary appreciably according to source of formulation, phrases for instance “refrigerant lubricants” have tiny that means in defining this sort of elements.
1. Reason: To determine bare minimum encouraged style suggestions required to obtain an acceptable volume of efficiency and protection for heating, air flow and air con devices used on rail passenger motor vehicles working in the exceptional and demanding setting of rail transportation techniques.
one. Goal: The goal of this standard is usually to prescribe a uniform method of testing open and shut commercial refrigerators and freezers for rating to make sure that comparative evaluations could be manufactured from Strength usage, item temperature efficiency, Like Vape Cave on Facebook refrigeration load, the suction pressures needed, and other overall performance aspects.
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Objective: This common supplies conventional capacity check processes, definitions and demands for valve calibration, and reporting of operational characteristics.
2.4 The field data gathered and reported below this typical are meant to be used by setting up designers, operators and end users, and by suppliers and installers of HVAC programs.
one Intent: This standard prescribes methods for measuring mass stream prices for refrigerants and refrigerant/lubricant mixtures making use of calorimeters.
SCOPE: This typical relates to industrial wander-in cooler and freezer machines, not which include equipment developed and marketed completely for medical, scientific, or investigate functions. Gear involves but isn't limited to factors and subsystems of the next:
Defines effectiveness scoring techniques for cooling and heating method delivered ability and cooling procedure effectiveness;
two.1 The scope of this normal addresses a approach to testing for ranking the saturation usefulness, airflow charge, and complete ability of packaged and part direct-evaporative air coolers.