Fig. 1 — 581K*04-06F Model Number Nomenclature (Example)
Model
K - Puron
®
(R-410A) Refrigerant
Unit Type
581 - Gas Heat RTU
Preferred™ Series
Packaging and Control
A = Standard Packaging, electro-mechanical
controls, no intake or exhaust option. Will
allow for use of all field-installed
economizers, manual or 2-position damper.
B = LTL Packaging, electro-mechanical
controls, no intake or exhaust option. Will
allow for use of all field-installed
economizers, manual or 2-position damper.
C = Standard Packaging, electro-mechanical
controls that require W7220 EconoMi$er X
F = LTL Packaging, electro-mechanical
controls that require W7220 EconoMi$er X
Cooling Tons
04 - 3 tons
05 - 4 tons
06 - 5 tons
Refrig. System/Gas Heat Options
F = Two Stage Cooling/Ultra Low NOx (14 ng/j)
K = Two Stage Cooling/Ultra Low NOx (14 ng/j) with
Perfect Humidity™ option
(Ultra Low NOx models include Stainless Steel HX)
Coil Options (RTPF) (Outdoor - Indoor - Hail Guard)
A = Al/Cu - Al/Cu
B = Precoat Al/Cu - Al/Cu
C = E-coat Al/Cu - Al/Cu
D = E-coat Al/Cu - E-coat Al/Cu
E = Cu/Cu - Al/Cu
F = Cu/Cu - Cu/Cu
M = Al/Cu - Al/Cu — Louvered Hail Guard
N = Precoat Al/Cu - Al/Cu — Louvered Hail Guard
P = E-coat Al/Cu - Al/Cu — Louvered Hail Guard
Q = E-coat Al/Cu - E-coat Al/Cu — Louvered Hail Guard
R = Cu/Cu - Al/Cu — Louvered Hail Guard
S = Cu/Cu - Cu/Cu — Louvered Hail Guard
Voltage
E = 460-3-60
J = 208/230-1-60
P = 208/230-3-60
Outdoor Air Options
A = Electro-mechanical controls. Allows for use of all
field-installed economizers and dampers.
B = Temperature Economizer, Barometric Relief,
Low Leak (W7220)
E = Temperature Economizer, Barometric Relief,
Low Leak w/CO
2
(W7220)
H =
Enthalpy
Economizer, Barometric Relief,
Low Leak (W7220)
L =
Enthalpy
Economizer, Barometric Relief,
Low Leak w/CO
2
(W7220)
U = Temperature
Economizer,
Barometric
Relief,
Ultra Low Leak (W7220)
W =
Enthalpy Economizer,
Barometric
Relief,
Ultra Low Leak (W7220)
Example:
Position:
581KP06F060A1A0AA
123456789
10
11 12 13 14 15 16 17
Factory Installed Options
0A = None
NOTE: See the 581K 3 to 5 ton Price Pages
for a complete list of factory-installed
options.
NOTE: On single phase (-J voltage code) models, the
following are not available as a factory installed option:
- Perfect Humidity
- Coated Coils or Cu Fin Coils
- Louvered Hail Guards
- Economizer
- Powered 115 Volt Convenience Outlet
Heat Level Input
Single-Phase
060 = 60,000
Three-Phase
060 = 60,000
Vane Axial – Indoor Fan Options
1 = Direct Drive – Axion™ Fan – Standard Static
2 = Direct Drive – Axion Fan – Medium Static
3 = Direct Drive – Axion Fan – High Static