4
MODEL NUMBER NOMENCLATURE
123456789101112131415161718
5 8 1 J E 0 6 A 0 7 2 A 0 A 0 A A --
____________ ______ ________ ______
Unit Type Design Revision
581J = Cooling/Gas Heat RTU --- --- First Revision
Legacy Series w/Puron Refrigerant
Packaging
A --- Standard
B --- LTL
Voltage Factory Installed Options
E = 460 --- 3 --- 60
J = 208/230---1---60
P = 208/230---3---60 Outdoor Air Options
T = 575 --- 3 --- 60 A=None
B=Tempeconow/barorelief
Cooling Tons E=Tempeconow/barorelief&CO
2
04 = 3 Ton H = Enthalpy econo w/ baro relief
05 = 4 Ton L = Enthalpy econo w/ baro relief & CO
2
06 = 5 Ton Q = Motorized 2 pos damper
07 = 6 Ton
08 = 7.5 Ton Indoor Fan Options
09 = 8.5 Ton 1 = Standard static option
2 = Medium static option
3 = High static option
Refrig. System/Gas Hea t Options C oil Op tion s (o utdo or --- ind oor --- ha il g ua rd)
A = 1---Stage Cooling/Nat gas heat A = Al/Cu ---Al/Cu
B = 1 --- Stage Cooling/Low NO
x
heat B = Precoat Al/Cu --- Al/Cu
C = 1 --- Stage CoolingSS HX C = E --- coat Al/Cu --- Al/Cu
D = 2 --- Stage Cooling 08 --- 09 D = E --- coat Al/Cu --- E --- coat Al/Cu
F = 2 --- Stage Cooling/SS HX E = Cu/Cu --- Al/Cu
F = Cu/Cu --- Cu/Cu
M = Al/Cu --- Al/Cu --- Lou vered Hail guards
N = Precoat Al/Cu --- Al/Cu --- Louvered Hail Guards
P = E coat Al/Cu --- Al/Cu --- Louvered Hail Guards
Heat Level (Input) Q = E coat Al/Cu --- E coat Al/Cu --- Lou vered Hail Guards
Standard/Stainless Steel R = Cu/C u --- Al/Cu --- L ouvered Hail Guards
072 = 72,000 S = Cu/Cu --- Cu/Cu --- Louv ered Hail Guards
115 = 115,000
125 = 125,000
150 = 150,000
180 = 180,000
224 = 224,000
Low NO
x
060 = 60,000
090 = 90,000
120 = 120,000
581J
