First published in 1989, Standard 128 establishes a uniform set of requirements for rating the cooling capacity of portable air conditioners. This revision of the standard includes an updated title, a more focused scope concentrated on a narrower range of cooling capacities, and a standardized method for rating portable air conditioners. The 2011 version of Standard 128 was adapted with modifications from C370-09 by the Canadian Standards Association.<\/p>\n
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| 1<\/td>\n | ANSI\/ASHRAE Standard 128-2011 \n <\/td>\n<\/tr>\n | ||||||
| 4<\/td>\n | Foreword 1. PURPOSE \n 2. SCOPE \n 2.1 This standard applies to portable air conditioners with a rated cooling capacity of 19,000 W (65,000 Btu\/h) and above, including those with heating capacity. 2.2 The standard does not apply to 3. TERMINOLOGY \n 4. GENERAL REQUIREMENTS \n 4.1 Portable air conditioners shall be designed, constructed, and assembled so as to meet the applicable electrical and refrigeration safety requirements for the Canadian and\/or U.S. market, as appropriate. For Canada, applicable requirements are fou… 5. RATINGS REQUIREMENTS \n 5.1 Standard Cooling Capacity and Standard Spot Cooling Capacity. Standard Cooling Capacity and Standard Spot Cooling Capacity shall be stated as total (sensible and latent) cooling capacity and shall include the effects of evaporator circulating-fan… 5.2 Standard Cooling and Spot Cooling Capacity and Input Ratings. Standard Cooling Capacity and Spot Cooling Capacity ratings shall be expressed in the nearest multiple of 200 W (700 Btu\/h). 5.3 Standard Energy Efficiency Ratio (EER) Ratings. Standard Energy Efficiency Ratio (EER) in W\/W (Btu\/W\u00b7h) shall be expressed in increments of 0.1. 5.4 Standard Spot Cooling Efficiency (SCE) Ratings. Standard Spot Cooling Efficiency (SCE) in W\/W (Btu\/W\u00b7h) shall be expressed in increments of 0.1. 5.5 Application Ratings. Ratings at conditions of temperature and\/or air quantity other than those specified in Section 6 may be established as application ratings and shall be based upon the data produced by the tests prescribed in Section 6. 5.6 Published Ratings <\/td>\n<\/tr>\n | ||||||
| 5<\/td>\n | 6. TESTS \n 6.1 Method of Test. Tests shall be conducted in accordance with Sections 6.2 and 6.3 and the requirements of the following sections in ASHRAE Standard 37, Methods of Testing for Rating Electrically Driven Unitary Air-Conditioning and Heat Pump Equipm… 6.2 Installation. The unit shall be positioned level unless the manufacturer\u2019s instructions state otherwise. 6.3 Standard Rating Test Conditions <\/td>\n<\/tr>\n | ||||||
| 6<\/td>\n | TABLE 1 Test Configurations TABLE 2 Standard Rating Conditions 7. SAMPLING PLAN \n 8. MARKING \n <\/td>\n<\/tr>\n | ||||||
| 7<\/td>\n | Figure 1 Portable air-conditioner equipment configurations 1 and 2. <\/td>\n<\/tr>\n | ||||||
| 8<\/td>\n | Figure 1 (continued) Portable air-conditioner equipment configurations 3 and 4. <\/td>\n<\/tr>\n | ||||||
| 9<\/td>\n | Figure 1 (continued) Portable air-conditioner equipment configurations 5 and 6. <\/td>\n<\/tr>\n | ||||||
| 10<\/td>\n | Figure 1 (continued) Portable air-conditioner equipment configurations 7 and 8. 9. REFERENCES \n <\/td>\n<\/tr>\n | ||||||
| 11<\/td>\n | Figure 2 Testing with special venting configurations. INFORMATIVE \nAPPENDIX A Explanation of Acceptable Sampling Plan A1. Confidence Limit \n A2. Example \n <\/td>\n<\/tr>\n | ||||||
| 12<\/td>\n | TABLE A1 t values for 90% Confidence Limit A3. Determining the Advantage of Taking a Larger Sample <\/td>\n<\/tr>\n<\/table>\n","protected":false},"excerpt":{"rendered":" ANSI\/ASHRAE Standard 128-2011 Method of Rating Portable Air Conditioners<\/b><\/p>\n |