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APPENDIX A — MODEL NUMBER NOMENCLATURE
Fig. A — Model Number Nomenclature
Model
K - Puron
®
(R-410A) Refrigerant
Unit Type
Heat Pump RTU with optional
Electric Heat, Legacy™ Line
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
07 - 6 tons
Heat Level
(Field-installed electric heaters available)
000 = No Heat
Indoor Fan Options
1 = Standard Static ECM Motor with Axion™ Fan
2 = Medium Static ECM Motor with Axion Fan
3 = High Static ECM Motor with Axion Fan
Refrig. System Options
A = Standard One Stage Cooling Models (sizes 04-06)
N = Single Circuit, Two Stage Cooling (size 07 only)
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
T = 575-3-60
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:
5
4
7
K
E
0
6
A
0
0
0
A
1
A
0
A
A
1
2
3
4
5
6
7
8
9
10 11 12 13 14 15 16 17
Factory Installed Options
0A = None
NOTE:
See the 547K 3 to 6 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:
- Coated Coils or Cu Fin Coils
- Louvered Hail Guards
-
Economizer
- Powered 115 Volt Convenience Outlet
