Table 1 to Paragraph (b) -Test Procedures for Commercial Air Conditioners and Heat Pumps
Equipment type | Category | Cooling capacity or moisture removal capacity 2 | Energy efficiency descriptor | Use tests, conditions, and procedures in | Additional test procedure provisions as indicated in the listed paragraphs of this section |
Small Commercial Package Air-Conditioning and Heating Equipment | Air-Cooled, 3-Phase, AC and HP | 65,000 Btu/h | SEER and HSPF | Appendix F to this subpart 3 | None. |
SEER2 and HSPF2 | Appendix F1 to this subpart 3 | None. | |||
Air-Cooled AC and HP | [GREATER THAN EQUAL TO]65,000 Btu/h and 135,000 Btu/h | EER, IEER, and COP | Appendix A to this subpart | None. | |
Water-Cooled and Evaporatively-Cooled AC | 65,000 Btu/h | EER | AHRI 210/240-2008 1 (omit section 6.5 ) | Paragraphs (c) and (e). | |
EER | AHRI 340/360-2007 1 (omit section 6.3 ) | Paragraphs (c) and (e). | |||
Water-Source HP | 135,000 Btu/h | EER and COP | Appendix C to this subpart 3 | None. | |
Water-Source HP | 135,000 Btu/h | IEER and ACOP | Appendix C1 to this subpart 3 | None. | |
Large Commercial Package Air-Conditioning and Heating Equipment | Air-Cooled AC and HP | [GREATER THAN EQUAL TO]135,000 Btu/h and 240,000 Btu/h | EER, IEER and COP | Appendix A to this subpart | None. |
Water-Cooled and Evaporatively-Cooled AC | [GREATER THAN EQUAL TO]135,000 Btu/h and 240,000 Btu/h | EER | AHRI 340/360-2007 1 (omit section 6.3 ) | Paragraphs (c) and (e). | |
Water-Source HP | [GREATER THAN EQUAL TO]135,000 Btu/h and 240,000 Btu/h | EER and COP | Appendix C to this subpart 3 | None. | |
Water-Source HP | [GREATER THAN EQUAL TO]135,000 Btu/h and 240,000 Btu/h | IEER and ACOP | Appendix C1 to this subpart 3 | None. | |
Very Large Commercial Package Air-Conditioning and Heating Equipment | Air-Cooled AC and HP | [GREATER THAN EQUAL TO]240,000 Btu/h and 760,000 Btu/h | EER, IEER and COP | Appendix A to this subpart | None. |
Water-Cooled and Evaporatively-Cooled AC | [GREATER THAN EQUAL TO]240,000 Btu/h and 760,000 Btu/h | EER | AHRI 340/360-2007 1 (omit section 6.3 ) | Paragraphs (c) and (e). | |
Water-Source HP | [GREATER THAN EQUAL TO]240,000 Btu/h and 760,000 Btu/h | EER and COP | Appendix C to this subpart 3 | None. | |
Water-Source HP | [GREATER THAN EQUAL TO]240,000 Btu/h and 760,000 Btu/h | IEER and ACOP | Appendix C1 to this subpart 3 | None. | |
Packaged Terminal Air Conditioners and Heat Pumps | AC and HP | 760,000 Btu/h | EER and COP | Paragraph (g) of this section | Paragraphs (c), (e), and (g). |
Computer Room Air Conditioners | AC | 760,000 Btu/h | SCOP | Appendix E to this subpart 3 | None. |
760,000 Btu/h or 930,000 Btu/h 4 | NSenCOP | Appendix E1 to this subpart 3 | None. | ||
Variable Refrigerant Flow Multi-split Systems | AC | 65,000 Btu/h (3-phase) | SEER | Appendix F to this subpart 3 | None. |
SEER2 | Appendix F1 to this subpart 3 | None. | |||
Variable Refrigerant Flow Multi-split Systems, Air-cooled | HP | 65,000 Btu/h (3-phase) | SEER and HSPF | Appendix F to this subpart 3 | None. |
SEER2 and HSPF2 | Appendix F1 to this subpart 3 | None. | |||
Variable Refrigerant Flow Multi-split Systems, Air-cooled | AC and HP | [GREATER THAN EQUAL TO]65,000 Btu/h and 760,000 Btu/h | EER and COP | Appendix D to this subpart 3 | None. |
IEER and COP | Appendix D1 to this subpart 3 | None. | |||
Variable Refrigerant Flow Multi-split Systems, Water-source | HP | 760,000 Btu/h | EER and COP | Appendix D to this subpart 3 | None. |
IEER and COP | Appendix D1 to this subpart 3 | None. | |||
Single Package Vertical Air Conditioners and Single Package Vertical Heat Pumps | AC and HP | 760,000 Btu/h | EER and COP | Appendix G to this subpart 3 | None. |
EER, IEER, and COP | Appendix G1 to this subpart 3 | None. | |||
Direct Expansion-Dedicated Outdoor Air Systems | All | 324 lbs. of moisture removal/hr | ISMRE2 and ISCOP2 | Appendix B to this subpart | None. |
1 Incorporated by reference; see § 431.95 .
2 Moisture removal capacity applies only to direct expansion-dedicated outdoor air systems.
3 For equipment with multiple appendices listed in this Table 1, consult the notes at the beginning of those appendices to determine the applicable appendix to use for testing.
4 For upflow ducted and downflow floor-mounted computer room air conditioners, the test procedure in appendix E1 of this subpart applies to equipment with net sensible cooling capacity less than 930,000 Btu/h. For all other configurations of computer room air conditioners, the test procedure in appendix E1 applies to equipment with net sensible cooling capacity less than 760,000 Btu/h.
Table 2 to Paragraph (d)
Piping length beyond minimum, X (ft) | Piping length beyond minimum, Y (m) | Cooling capacity correction % |
0[GREATER THAN]X [LESS THAN EQUAL TO]20 | 0[GREATER THAN]Y [LESS THAN EQUAL TO]6.1 | 1 |
20[GREATER THAN]X [LESS THAN EQUAL TO]40 | 6.1[GREATER THAN]Y [LESS THAN EQUAL TO]12.2 | 2 |
40[GREATER THAN]X [LESS THAN EQUAL TO]60 | 12.2[GREATER THAN]Y [LESS THAN EQUAL TO]18.3 | 3 |
60[GREATER THAN]X [LESS THAN EQUAL TO]80 | 18.3[GREATER THAN]Y [LESS THAN EQUAL TO]24.4 | 4 |
80[GREATER THAN]X [LESS THAN EQUAL TO]100 | 24.4[GREATER THAN]Y [LESS THAN EQUAL TO]30.5 | 5 |
100 [GREATER THAN]X [LESS THAN EQUAL TO]120 | 30.5[GREATER THAN]Y [LESS THAN EQUAL TO]36.6 | 6 |
10 C.F.R. §431.96