ASHRAE-90.1-2022- - Page 128

Extracted Content

Table 6.8.1-10 Floor-Mounted Air Conditioners and Condensing Units Serving Computer Rooms—Minimum Efficiency Requirements (Continued)

Equipment TypeStandard ModelNet Sensible
Cooling Capacity
Minimum Net
Sensible COP
Rating Conditions
Return Air
(dry-bulb/dew-point)
Test Procedure
Glycol cooledDownflow<80,000 Btu/h2.5685°F/52°F (Class 1)AHRI 1360
Glycol cooledDownflow80,000 Btu/h and
<295,000 Btu/h
2.242.242.24
Glycol cooledDownflow295,000 Btu/h2.212.212.21
Glycol cooledUpflow—ducted<80,000 Btu/h2.532.532.53
Glycol cooledUpflow—ducted80,000 Btu/h and
<295,000 Btu/h
2.212.212.21
Glycol cooledUpflow—ducted295,000 Btu/h2.182.182.18
Glycol cooledUpflow—nonducted<65,000 Btu/h2.0875°F/52°F (Class 1)75°F/52°F (Class 1)
Glycol cooledUpflow—nonducted65,000 Btu/h and
<240,000 Btu/h
1.901.901.90
Glycol cooledUpflow—nonducted240,000 Btu/h1.811.811.81
Glycol cooledHorizontal<65,000 Btu/h2.4895°F/52°F (Class 3)95°F/52°F (Class 3)
Glycol cooledHorizontal65,000 Btu/h and
<240,000 Btu/h
2.182.182.18
Glycol cooledHorizontal240,000 Btu/h2.182.182.18
Glycol cooled with
fluid economizer
Downflow<80,000 Btu/h2.5185°F/52°F (Class 1)AHRI 1360
Glycol cooled with
fluid economizer
Downflow80,000 Btu/h and
<295,000 Btu/h
2.192.192.19
Glycol cooled with
fluid economizer
Downflow295,000 Btu/h2.152.152.15
Glycol cooled with
fluid economizer
Upflow—ducted<80,000 Btu/h2.482.482.48
Glycol cooled with
fluid economizer
Upflow—ducted80,000 Btu/h and
<295,000 Btu/h
2.162.162.16
Glycol cooled with
fluid economizer
Upflow—ducted295,000 Btu/h2.122.122.12
Glycol cooled with
fluid economizer
Upflow—nonducted<65,000 Btu/h2.0075°F/52°F (Class 1)75°F/52°F (Class 1)
Glycol cooled with
fluid economizer
Upflow—nonducted65,000 Btu/h and
<240,000 Btu/h
1.821.821.82
Glycol cooled with
fluid economizer
Upflow—nonducted240,000 Btu/h1.731.731.73
Glycol cooled with
fluid economizer
Horizontal<65,000 Btu/h2.4495°F/52°F (Class 3)95°F/52°F (Class 3)
Glycol cooled with
fluid economizer
Horizontal65,000 Btu/h and
<240,000 Btu/h
2.102.102.10
Glycol cooled with
fluid economizer
Horizontal240,000 Btu/h2.102.102.10

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