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MODEL NUMBER NOMENCLATURE
580F036-150 (Standard and Medium Efficiency) 3 to 12
1
/
2
Tons
MODEL NUMBER NOMENCLATURE
581B036-150 (High Efficiency) — 3 to 12
1
/
2
Tons
Factory-Installed Options Code
580F E V 060 120 N KB
580F – Packaged Rooftop
Standard Efficiency
Voltage Designation
J–208/230-1-60
P–208/230-3-60
E–460-3-60
T–575-3-60
Fuel Control Type/Heat Exchanger
V– Natural Gas/Direct Spark Ignition
N – Low NOx Natural Gas/Direct Spark Ignition/Stainless
Steel Heat Exchanger
Gas Heat Input (Btuh)
Standard Units
074 – 74,000
115 – 115,000
125 – 125,000
150 – 150,000
180 – 180,000
224 – 224,000
250 – 250,000
Low NOx Units
060 – 60,000
090 – 90,000
120 – 120,000
Nominal Tons
036 – 3
048 – 4
060 – 5
072 – 6
073 – 6 (Medium
Efficiency)
090 – 7-1/2
091 – 7-1/2 (Medium Efficiency)
103 – 8-1/2 (Medium Efficiency)
120 – 10
121 – 10 (Medium Efficiency)
150 – 12-1/2
151 – 12-1/2 (Medium Effficiency)
Gas Heat Options
A
N
S
–
–
–
Standard
Low NOx Unit
Stainless Steel Heat Exchanger
NOTE: The example model number 580FEV060120NKB designates a 5-ton 460-3-60 volt Low NOx, gas/electric rooftop unit
with 120,000 Btuh natural gas heat, EconoMi$er2 and alternate drive. Low NOx units must show the “N” designation in the
model number.
a48-8190
581B – Single Package
High-Efficiency
Gas/Electric Unit
Voltage Designation
E– 460-3-60
J–208/230-1-60
P– 208/230-3-60
T–575-3-60
581B E V 060 120 N DA
Fuel Control Type/Heat Exchanger
V–Natural Gas/Direct Spark Ignition
Factory-Installed Options*
Nominal Tons
036 – 3 090 – 7-1/2
048 – 4 102 – 8-1/2
060 – 5 120 – 10
072 – 6 150 – 12-1/2
Gas Heat Input (Btuh)
072 – 72,000 180 – 180,000
115 – 115,000 224 – 224,000
125 – 125,000 250 – 250,000
150 – 150,000
Low NOx California Compliant 3 Phase
060 – 60,000 071 – 72,000
090 – 90,000 114 – 115,000
120 – 120,000 149 – 150,000
Gas Heat Options
A
N
S
–
–
–
Standard
Low NOx Unit
Stainless Steel Heat Exchanger
*Refer to the Trade Prices for ordering codes of factory-installed options.
The Example model number 581BEV060120NDA designates a high efficiency 5-ton 460-3-60 volt Low NOx gas/electric roof top unit with
120,000 Btuh natural gas heat and EconoMi$er IV. Low NOx units must show an “N” in the nomenclature.
a48-8191