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Federal Register / Vol. 86, No. 229 / Thursday, December 2, 2021 / Rules and Regulations 2. Section 429.16 is amended:
a. By revising the table in paragraph a1;
b. In paragraph f1iB by removing b3iC and b3iB
and adding in their place b3iii and b3ii, respectively;
c. In paragraph f2iiA by removing b3iC and b3iB
and adding in their place b3iii and b3ii, respectively;

PART 429CERTIFICATION, COMPLIANCE, AND ENFORCEMENT
FOR CONSUMER PRODUCTS AND
COMMERCIAL AND INDUSTRIAL
EQUIPMENT
1. The authority citation for part 429
continues to read as follows:

Authority: 42 U.S.C. 62916317; 28 U.S.C.
2461 note.

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d. In paragraph f4iB by removing b3iC and b3iB
and adding in their place b3iii and b3ii, respectively.
The revision reads as follows:

429.16 Central air conditioners and central air conditioning heat pumps
a
1

TABLE 1 TO PARAGRAPH a1
Category
Equipment subcategory
Single-Package Unit

Single-Package AC including Space-Constrained
Single-Package HP including Space-Constrained.
Single-Split-System AC with Single-Stage or Two-Stage Compressor including Space-Constrained and Small-Duct, High Velocity Systems SDHV.

Outdoor Unit and Indoor Unit Distributed in Commerce by OUM.

Required represented values
Single-Split-System AC with Other Than Single-Stage or Two-Stage Compressor including Space-Constrained and SDHV.
Single-Split-System HP including Space-Constrained and SDHV.
Multi-Split, Multi-Circuit, or Multi-Head Mini-Split Split Systemnon-SDHV including Space-Constrained.

Multi-Split, Multi-Circuit, or Multi-Head Mini-Split Split SystemSDHV.
Indoor Unit Only Distributed in Commerce by ICM.

Single-Split-System Air Conditioner including SpaceConstrained and SDHV.
Single-Split-System Heat Pump including Space-Constrained and SDHV.
Multi-Split, Multi-Circuit, or Multi-Head Mini-Split Split SystemSDHV.

Outdoor Unit with no Match

3. The authority citation for part 430
continues to read as follows:

lotter on DSK11XQN23PROD with RULES1

Authority: 42 U.S.C. 62916309; 28 U.S.C.
2461 note.

4. Appendix M to subpart B of part 430 is amended:
a. In paragraph a. of section 3.6.4, by revising the fifth sentence;

VerDate Sep<11>2014

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Every individual combination distributed in commerce must be rated as a coil-only combination. For each model of outdoor unit, this must include at least one coil-only value that is representative of the least efficient combination distributed in commerce with that particular model of outdoor unit. Additional blowercoil representations are allowed for any applicable individual combinations, if distributed in commerce.
Every individual combination distributed in commerce, including all coil-only and blower coil combinations.
Every individual combination distributed in commerce.
For each model of outdoor unit, at a minimum, a nonducted tested combination. For any model of outdoor unit also sold with models of ducted indoor units, a ducted tested combination. When determining represented values on or after January 1, 2023, the ducted tested combination must comprise the highest static variety of ducted indoor unit distributed in commerce i.e., conventional, mid-static, or low-static. Additional representations are allowed, as described in paragraphs c3i and c3ii of this section, respectively.
For each model of outdoor unit, an SDHV tested combination. Additional representations are allowed, as described in paragraph c3iii of this section.
Every individual combination distributed in commerce.

For a model of indoor unit within each basic model, an SDHV tested combination. Additional representations are allowed, as described in section c3iii of this section.
Every model of outdoor unit distributed in commerce tested with a model of coil-only indoor unit as specified in paragraph b2i of this section.

b. In the last sentence of paragraph b., section 3.6.6, by removing HSPF2 and adding in its place HSPF;
c. In paragraph c., section 3.6.6, footnote 5, Table 15, by removing HSPF2 and adding in its place HSPF;
d. By revising the heading for section 4.1.3.2;
e. By revising the heading for section 4.1.4.2;
f. In section 4.2.5.1, in the Case 1
paragraph, by removing 3.1.9, EhpTj = EhpTj and adding in its place,

PART 430ENERGY CONSERVATION
PROGRAM FOR CONSUMER
PRODUCTS

Every individual model distributed in commerce.

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3.1.10, EhTj = EhpTj, and in the Case 2 paragraph, by removing where ToTj >TCC, and adding in its place where ToTj < TCC,, respectively;
g. In section 4.2.5.2, in the Case 1
paragraph, by removing 3.1.9 and adding in its place 3.1.10 and in the Case 2 paragraph, by removing For outdoor bin temperatures where ToTj hTj and EhTj using TCC, determine Q
and adding in its place For outdoor bin temperatures where ToTj < TCC, hTj and EhTj using;
determine Q

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