Federal Register - July 7, 2021
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Source: Federal Register
36058
Federal Register / Vol. 86, No. 127 / Wednesday, July 7, 2021 / Proposed Rules
Method of Test for Rating DXDedicated Outdoor Air Systems for Moisture Removal Capacity and Moisture Removal Efficiency, approved by ANSI on January 30, 2013, IBR approved for appendix B to this subpart.
8. Amend 431.96 by:
a. Revising paragraph a and Table 1
in paragraph b2; and
b. Designating the table in paragraph d as Table 2 to paragraph d.
The revisions read as follows:
431.96 Uniform test method for the measurement of energy efficiency of commercial air conditioners and heat pumps.
a Scope. This section contains test procedures for measuring, pursuant to EPCA, the energy efficiency of any small, large, or very large commercial
package air-conditioning and heating equipment, packaged terminal air conditioners and packaged terminal heat pumps, computer room air conditioners, variable refrigerant flow systems, single package vertical air conditioners and single package vertical heat pumps, and dehumidifying direct expansion-dedicated outdoor air systems.
b
2
TABLE 1 TO PARAGRAPH bTEST PROCEDURES FOR COMMERCIAL AIR CONDITIONERS AND HEAT PUMPS
Energy efficiency descriptor
Air-Cooled, 3-Phase, AC and HP.
<65,000 Btu/h
SEER and HSPF
AHRI 210/2402008
omit section 6.5.
Paragraphs c and e.
Air-Cooled AC and HP.
Water-Cooled and EvaporativelyCooled AC.
65,000 Btu/h and <135,000 Btu/h. <65,000 Btu/h
EER, IEER, and COP
Appendix A to this subpart.
AHRI 210/2402008
omit section 6.5.
None.
EER
Water-Source HP
65,000 Btu/h and <135,000 Btu/h. <135,000 Btu/h
Air-Cooled AC and HP.
135,000 Btu/h and <240,000 Btu/h.
EER, IEER and COP
Water-Cooled and EvaporativelyCooled AC.
Air-Cooled AC and HP.
135,000 Btu/h and <240,000 Btu/h.
Equipment type
Small Commercial Package Air-Conditioning and Heating Equipment.
Large Commercial Package Air-Conditioning and Heating Equipment.
Very Large Commercial Package AirConditioning and Heating Equipment.
Packaged Terminal Air Conditioners and Heat Pumps.
Computer Room Air Conditioners.
Variable Refrigerant Flow Multi-split Systems.
khammond on DSKJM1Z7X2PROD with PROPOSALS3
Variable Refrigerant Flow Multi-split Systems, Air-cooled.
Variable Refrigerant Flow Multi-split Systems, Water-source.
Single Package Vertical Air Conditioners and Single Package Vertical Heat Pumps.
VerDate Sep<11>2014
Additional test procedure provisions as indicated in the listed paragraphs of this section
Cooling capacity or moisture removal capacity
Category
EER
Use tests, conditions, and procedures 1 in
Paragraphs c and e.
AHRI 340/3602007
omit section 6.3.
ISO Standard 13256
1 1998.
Appendix A to this subpart.
Paragraphs c and e.
Paragraph e.
EER
AHRI 340/3602007
omit section 6.3.
Paragraphs c and e.
240,000 Btu/h and <760,000 Btu/h.
EER, IEER and COP
Appendix A to this subpart.
None.
Water-Cooled and EvaporativelyCooled AC.
AC and HP
240,000 Btu/h and <760,000 Btu/h.
EER
AHRI 340/3602007
omit section 6.3.
Paragraphs c and e.
<760,000 Btu/h
EER and COP
Paragraph g of this section.
Paragraphs c, e, and g.
AC
<65,000 Btu/h
SCOP
65,000 Btu/h and <760,000 Btu/h. <65,000 Btu/h 3phase.
SCOP
Paragraphs c and e.
Paragraphs c and e.
Paragraphs c, d, e, and f.
65,000 Btu/h and <760,000 Btu/h.
EER
<65,000 Btu/h 3phase.
SEER and HSPF
65,000 Btu/h and <760,000 Btu/h.
EER and COP
HP
<760,000 Btu/h
EER and COP
AC and HP
<760,000 Btu/h
EER and COP
ASHRAE 1272007
omit section 5.11.
ASHRAE 1272007
omit section 5.11.
AHRI 12302010
omit sections 5.1.2
and 6.6.
AHRI 12302010
omit sections 5.1.2
and 6.6.
AHRI 12302010
omit sections 5.1.2
and 6.6.
AHRI 12302010
omit sections 5.1.2
and 6.6.
AHRI 12302010
omit sections 5.1.2
and 6.6.
AHRI 3902003 omit section 6.4.
AC
HP
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EER and COP
SEER
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None.
Paragraphs c, d, e, and f.
Paragraphs c, d, e, and f.
Paragraphs c, d, e, and f.
Paragraphs c, d, e, and f.
Paragraphs c and e.
