Federal Register - July 7, 2021
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Source: Federal Register
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Federal Register / Vol. 86, No. 127 / Wednesday, July 7, 2021 / Proposed Rules 3. Amend 429.70 by revising the tables in paragraphs c2iv and c5viB to read as follows:
429.70 Alternative methods for determining energy efficiency and energy use.
c
2
iv
Minimum number of distinct models that must be tested per AEDM
Validation class
Air-Cooled, Split and Packaged Air Conditioners ACs and Heat Pumps HPs less than 65,000 Btu/h Cooling Capacity 3-Phase.
2 Basic Models.
A Commercial HVAC Validation Classes Air-Cooled, Split and Packaged ACs and HPs greater than or equal to 65,000 Btu/h Cooling Capacity and Less than 760,000 Btu/h Cooling Capacity.
Water-Cooled, Split and Packaged ACs and HPs, All Cooling Capacities
Evaporatively-Cooled, Split and Packaged ACs and HPs, All Capacities
Water-Source HPs, All Capacities
Single Package Vertical ACs and HPs
Packaged Terminal ACs and HPs
Air-Cooled, Variable Refrigerant Flow ACs and HPs
Water-Cooled, Variable Refrigerant Flow ACs and HPs
Computer Room Air Conditioners, Air Cooled
Computer Room Air Conditioners, Water-Cooled
Dehumidifying Direct Expansion-Dedicated Outdoor Air Systems, Air-cooled or Air-source Heat Pump, Without Ventilation Energy Recovery Systems.
Dehumidifying Direct Expansion-Dedicated Outdoor Air Systems, Air-cooled or Air-source Heat Pump, With Ventilation Energy Recovery Systems.
Dehumidifying Direct Expansion-Dedicated Outdoor Air Systems, Water-cooled, Water-source Heat Pump, or Ground Source Closed-loop Heat Pump, Without Ventilation Energy Recovery Systems.
Dehumidifying Direct Expansion-Dedicated Outdoor Air Systems, Water-cooled, Water-source Heat Pump, or Ground Source Closed-loop Heat Pump, With Ventilation Energy Recovery Systems.
2 Basic Models.
2
2
2
2
2
2
2
2
2
2
Basic Basic Basic Basic Basic Basic Basic Basic Basic Basic
Models.
Models.
Models.
Models.
Models.
Models.
Models.
Models.
Models.
Models.
2 Basic Models.
2 Basic Models.
2 Basic Models.
B Commercial Water Heater Validation Classes Gas-fired Water Heaters and Hot Water Supply Boilers Less than 10 Gallons
Gas-fired Water Heaters and Hot Water Supply Boilers Greater than or Equal to 10 Gallons
Oil-fired Water Heaters and Hot Water Supply Boilers Less than 10 Gallons
Oil-fired Water Heaters and Hot Water Supply Boilers Greater than or Equal to 10 Gallons
Electric Water Heaters
Heat Pump Water Heaters
Unfired Hot Water Storage Tanks
2
2
2
2
2
2
2
Basic Basic Basic Basic Basic Basic Basic
Models.
Models.
Models.
Models.
Models.
Models.
Models.
2
2
2
2
2
2
Basic Basic Basic Basic Basic Basic
Models.
Models.
Models.
Models.
Models.
Models.
C Commercial Packaged Boilers Validation Classes Gas-fired, Hot Water Only Commercial Packaged Boilers
Gas-fired, Steam Only Commercial Packaged Boilers
Gas-fired Hot Water/Steam Commercial Packaged Boilers
Oil-fired, Hot Water Only Commercial Packaged Boilers
Oil-fired, Steam Only Commercial Packaged Boilers
Oil-fired Hot Water/Steam Commercial Packaged Boilers
D Commercial Furnace Validation Classes Gas-fired Furnaces
Oil-fired Furnaces
2 Basic Models.
2 Basic Models.
khammond on DSKJM1Z7X2PROD with PROPOSALS3
E Commercial Refrigeration Equipment Validation Classes 1
Self-Contained Open Refrigerators
Self-Contained Open Freezers
Remote Condensing Open Refrigerators
Remote Condensing Open Freezers
Self-Contained Closed Refrigerators
Self-Contained Closed Freezers
Remote Condensing Closed Refrigerators
Remote Condensing Closed Freezers
2
2
2
2
2
2
2
2
Basic Basic Basic Basic Basic Basic Basic Basic
Models.
Models.
Models.
Models.
Models.
Models.
Models.
Models.
1 The minimum number of tests indicated above must be comprised of a transparent model, a solid model, a vertical model, a semi-vertical model, a horizontal model, and a service-over-the counter model, as applicable based on the equipment offering. However, manufacturers do not need to include all types of these models if it will increase the minimum number of tests that need to be conducted.
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