ASHRAE-90.1-2022- - Page 136

Extracted Content

Table 6.8.1-17 Ceiling-Mounted Computer-Room Air Conditioners—Minimum Efficiency Requirements (Continued)

Equipment Type	Standard Model	Net Sensible Cooling Capacity	Minimum Net Sensible COP	Rating Conditions Return Air (dry bulb/dew point)	Test Procedure
Water cooled with_fluid_ economizer	Ducted	<29,000 Btu/h	2.33	75°F/52°F (Class 1)	AHRI 1360
Water cooled with_fluid_ economizer	Ducted	29,000 Btu/h and <65,000 Btu/h	2.23	2.23	2.23
Water cooled with_fluid_ economizer	Ducted	65,000 Btu/h	2.13	2.13	2.13
Water cooled with_fluid_ economizer	Nonducted	<29,000 Btu/h	2.36	2.36	2.36
Water cooled with_fluid_ economizer	Nonducted	29,000 Btu/h and <65,000 Btu/h	2.26	2.26	2.26
Water cooled with_fluid_ economizer	Nonducted	65,000 Btu/h	2.16	2.16	2.16
Glycol cooled	Ducted	<29,000 Btu/h	1.97	75°F/52°F (Class 1)	AHRI 1360
Glycol cooled	Ducted	29,000 Btu/h and <65,000 Btu/h	1.93	1.93	1.93
Glycol cooled	Ducted	65,000 Btu/h	1.78	1.78	1.78
Glycol cooled	Nonducted	<29,000 Btu/h	2.00	2.00	2.00
Glycol cooled	Nonducted	29,000 Btu/h and <65,000 Btu/h	1.98	1.98	1.98
Glycol cooled	Nonducted	65,000 Btu/h	1.81	1.81	1.81
Glycol cooled with fluid economizer	Ducted	<29,000 Btu/h	1.92	75°F/52°F (Class 1)	AHRI 1360
Glycol cooled with fluid economizer	Ducted	29,000 Btu/h and <65,000 Btu/h	1.88	1.88	1.88
Glycol cooled with fluid economizer	Ducted	65,000 Btu/h	1.73	1.73	1.73
Glycol cooled with fluid economizer	Nonducted	<29,000 Btu/h	1.95	1.95	1.95
Glycol cooled with fluid economizer	Nonducted	29,000 Btu/h and <65,000 Btu/h	1.93	1.93	1.93
Glycol cooled with fluid economizer	Nonducted	65,000 Btu/h	1.76	1.76	1.76

Table 6.8.1-18 Walk-In Cooler and Freezer Display Door Efficiency Requirements

Class Descriptor	Class	Maximum Energy Consumption, kWh/daya	Test Procedure
Display door, medium temperature	DD, M	0.04 ×Add + 0.41	10 CFR 431
Display door, low temperature	DD, L	0.15 ×Add + 0.29	10 CFR 431

a. Add is the surface area (ft [2] ) of the display door.

Table 6.8.1-19 Walk-In Cooler and Freezer Nondisplay Door Efficiency Requirements

Class Descriptor	Class	Maximum Energy Consumption, kWh/daya	Test Procedure
Passage door, medium temperature	PD, M	0.05 ×And + 1.7	10 CFR 431
Passage door, low temperature	PD, L	0.14 ×And + 4.8	10 CFR 431
Freight door, medium temperature	FD, M	0.04 ×And + 1.9	10 CFR 431
Freight door, low temperature	FD, L	0.12_And_ + 5.6	10 CFR 431

a. And is the surface area (ft [2] ) of the non-display door.

134 ANSI/ASHRAE/IES Standard 90.1-2022 (I-P)