8
MODEL NUMBER NOMENCLATURE — 579F180-300
MODEL NUMBER NOMENCLATURE
580F180-300
NOTES:
1. All indoor-fan motors 5 hp and larger meet the minimum efficiency requirements as established
by the Energy Policy Act of 1992 (EPACT) effective October 24, 1997.
2. The example model number 579FEV180230--CB designates a 15-ton 460-3-60 volt gas/
electric rooftop unit with 230,000 Btuh natural gas heat input, EconoMi$er IV, and the standard
low-medium fan drive static capability.
Nominal Tons
180 – 15 Tons
216 – 18 Tons
240 – 20 Tons
300 – 25 Tons

579F E V 180 230 – – C B

579F – Single-Package
Standard-Efficiency Gas/Electric Unit
Voltage Designation
E–460-3-60
P–208/230-3-60
T – 575-3-60
Gas Heat Input (Btuh)
230 – 230,000
275 – 275,000
300 – 300,000
360 – 360,000
Fuel and Control Type
V– Natural Gas/Electric Relight Pilot
Fan Drive Option
(Standard Motor)
B–Standard Low-Medium
Fan Drive Static
Capability
D–Alternate High Fan
Drive Static Capability
Factory-Installed Outdoor-Air
and Other Upgrade Options
C–EconoMi$er IV
H–Manual Outdoor-Air Damper
Design Series Code
a48-8192
NOTES:
1. All indoor-fan motors 5 hp and larger meet the minimum efficiency requirements as established
by the Energy Policy Act of 1992 (EPACT) effective October 24, 1997.
2. The example model number 580FEV180275--CB designates a 15-ton 460-3-60 volt gas/
electric rooftop unit with 275,000 Btuh natural gas heat input, EconoMi$er IV, and the stan-
dard low-medium fan drive static capability.
Fan Drive Position
(Standard Motor)
B–Standard Low-Medium
Fan Drive Static
Capability
D–Alternate High Fan
Drive Static Capability

580F E V 180 275 – – C B

Gas Heat Input (Btuh)
275 – 275,000
300 – 300,000
360 – 360,000
Design Series Change
Factory-Installed Outdoor-Air
and Other Upgrade Options
C–EconoMi$er IV
H–Manual Outdoor-Air Damper
Nominal Tons
180 – 15 Tons
210 – 18 Tons
240 – 20 Tons
300 – 25 Tons
580F – Single Package
Medium-Efficiency Gas/Electric Unit
Voltage Designation
E–460-3-60
P–208/230-3-60
T – 575-3-60
Fuel and Control Type
V– Natural Gas/Electric Relight Pilot
a48-8193