ASHRAE-90.1-2022- - Page 127

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
Water cooledDownflow<80,000 Btu/h2.8285°F/52°F (Class 1)AHRI 1360
Water cooledDownflow80,000 Btu/h and
<295,000 Btu/h
2.732.732.73
Water cooledDownflow295,000 Btu/h2.672.672.67
Water cooledUpflow—ducted<80,000 Btu/h2.792.792.79
Water cooledUpflow—ducted80,000 Btu/h and
<295,000 Btu/h
2.702.702.70
Water cooledUpflow—ducted295,000 Btu/h2.642.642.64
Water cooledUpflow—nonducted<65,000 Btu/h2.4375°F/52°F (Class 1)75°F/52°F (Class 1)
Water cooledUpflow—nonducted65,000 Btu/h and
<240,000 Btu/h
2.322.322.32
Water cooledUpflow—nonducted240,000 Btu/h2.202.202.20
Water cooledHorizontal<65,000 Btu/h2.7995°F/52°F (Class 3)95°F/52°F (Class 3)
Water cooledHorizontal65,000 Btu/h and
<240,000 Btu/h
2.682.682.68
Water cooledHorizontal240,000 Btu/h2.602.602.60
Water cooled with
fluid economizer
Downflow<80,000 Btu/h2.7785°F/52°F (Class 1)AHRI 1360
Water cooled with
fluid economizer
Downflow80,000 Btu/h and
<295,000 Btu/h
2.682.682.68
Water cooled with
fluid economizer
Downflow295,000 Btu/h2.612.612.61
Water cooled with
fluid economizer
Upflow—ducted<80,000 Btu/h2.742.742.74
Water cooled with
fluid economizer
Upflow—ducted80,000 Btu/h and
<295,000 Btu/h
2.652.652.65
Water cooled with
fluid economizer
Upflow—ducted295,000 Btu/h2.582.582.58
Water cooled with
fluid economizer
Upflow—nonducted<65,000 Btu/h2.3575°F/52°F (Class 1)75°F/52°F (Class 1)
Water cooled with
fluid economizer
Upflow—nonducted65,000 Btu/h and
<240,000 Btu/h
2.242.242.24
Water cooled with
fluid economizer
Upflow—nonducted240,000 Btu/h2.122.122.12
Water cooled with
fluid economizer
Horizontal<65,000 Btu/h2.7195°F/52°F (Class 3)95°F/52°F (Class 3)
Water cooled with
fluid economizer
Horizontal65,000 Btu/h and
<240,000 Btu/h
2.602.602.60
Water cooled with
fluid economizer
Horizontal240,000 Btu/h2.542.542.54

ANSI/ASHRAE/IES Standard 90.1-2022 (I-P) 125