ASHRAE-90.1-2022- - Page 337

Extracted Content

Table G3.5.3 Performance Rating Method Water Chilling Packages—Minimum Efficiency Requirements

Liquid-cooled, electrically operated, positive displacement

(rotary screw and scroll)

Liquid-cooled, electrically

operated, centrifugal

Size CategorySubcategory or
Rating Condition
Minimum Efficiency
<150 tonskW/ton0.7903 FL
0.6763_IPLV_.IP
150 tons and
<300 tons
150 tons and
<300 tons
0.7178 FL
0.6280_IPLV_.IP
300 tons300 tons0.6395 FL
0.5719_IPLV_.IP
<150 tonskW/ton0.7034 FL
0.6699_IPLV_.IP
150 tons and
<300 tons
150 tons and
<300 tons
0.6337 FL
0.5961_IPLV_.IP
300 tons300 tons0.5766 FL
0.5495_IPLV_.IP

Table G3.5.4 Performance Rating Method Electrically Operated Packaged Terminal Air Conditioners,Packaged Terminal Heat Pumps (efficiency ratings excluding supply fan power)

Equipment TypeSize CategorySubcategory or
Rating Condition
Minimum EfficiencyTest Procedure
PTAC (cooling mode)All capacities95°F db_outdoor air_3.2_COPnfcooling_AHRI 310/380
PTHP (cooling mode)All capacities95°F db_outdoor air_3.1_COPnfcooling_AHRI 310/380
PTHP (heating mode)All capacities3.1_COPnfheating_AHRI 310/380

Table G3.5.5 Performance Rating Method Warm-Air Furnaces and Unit Heaters

Equipment TypeSize CategorySubcategory or Rating
Condition
Minimum EfficiencyTest Procedure
Warm-air furnace, gas-fired<225,000 Btu/h78%AFUE or 80%EtDOE 10 CFR Part 430
or ANSI Z21.47
Warm-air furnace, gas-fired225,000 Btu/hMaximum capacity80%EcANSI Z21.47
Warm-air unit heaters, gas-
fired
All capacitiesMaximum capacity80%EcANSI Z83.8

ANSI/ASHRAE/IES Standard 90.1-2022 (I-P) 335