3
MODEL NUMBER NOMENCLATURE AND
DIMENSIONS
See Fig. 1 for 48FC model number nomenclature. See Fig. 2
for unit dimensional drawings. Figure 2 also shows service
clearance dimensions.
Rated Indoor Airflow
Table 1 lists the rated indoor airflow used for the AHRI
efficiency rating for the units covered in this document.
Table 1 — Rated Indoor Airflow
Fig. 1 — 48FC 04-07 Model Number Nomenclature
MODEL NUMBER RATED INDOOR AIRFLOW (CFM)
48FC*A/B04 1050
48FC*A/B05 1500
48FC*A/B06 2000
48FC*M/N07 2400
Model Series - WeatherMaker
®
FC – 14.0 SEER Standard Efficiency, sizes 04-06
15.0 IEER Standard Efficiency, size 07
Unit Heat Type
48 – Gas Heat Packaged Rooftop
Cooling Tons
04 = 3 tons
05 = 4 tons
06 = 5 tons
07 = 6 tons
Heat Size
D = Low Gas Heat
E = Medium Gas Heat
F = High Gas Heat
L = Low NOx – Low Gas Heat¹
S = Low Heat w/ Stainless Steel Exchanger
R = Medium Heat w/ Stainless Steel Exchanger
T = High Heat w/ Stainless Steel Exchanger
(Low NOx models include Stainless Steel HX)
Sensor Options
A = None
B = Return Air (RA) Smoke Detector
C = Supply Air (SA) Smoke Detector
D = RA + SA Smoke Detector
E = CO
2
Sensor
F = RA Smoke Detector and CO
2
Sensor
G = SA Smoke Detector and CO
2
Sensor
H = RA + SA Smoke Detector and CO
2
Sensor
J = Condensate Overflow Switch
K = Condensate Overflow Switch and RA Smoke Detector
L = Condensate Overflow Switch and RA and SA Smoke Detectors
M = Condensate Overflow Switch and SA Smoke Detector
Indoor Fan Options
1 = Direct Drive – EcoBlue – Standard Static
2 = Direct Drive – EcoBlue – Medium Static
3 = Direct Drive – EcoBlue – High Static
Refrig. Systems Options
A = Standard One Stage Cooling Models
1
B = Standard One Stage Cooling Models
with Humidi-MiZer
®
system
1, 3
M = Single Circuit, Two Stage Cooling
2, 3
N = Single Circuit, Two Stage Cooling with
Humidi-MiZer system
2
Coil Options – (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
Design Revision
- = Factory Design Revision
Base Unit Controls
0 = Electro-mechanical Controls – can be used with
field-installed W7212 EconoMi$er
®
IV
(Non-Fault Detection and Diagnostic)
2 = RTU Open Multi-Protocol Controller
3 = SystemVu
TM
Controls
6 = Electro-mechanical Controls – can be used with W7220
EconoMi$er X (with Fault Detection and Diagnostic)
Intake / Exhaust Options
A = None
B = Temperature Economizer w/ Barometric Relief
F = Enthalpy Economizer w/ Barometric Relief
K = Two-Position Damper
1
U = Temperature Ultra Low Leak Economizer
w/ Barometric Relief
W = Enthalpy Ultra Low Leak Economizer
w/ Barometric Relief
Service Options
0 = None
1 = Unpowered Convenience Outlet
2 = Powered Convenience Outlet
3 = Hinged Panels
4 = Hinged Panels and
Unpowered Convenience Outlet
5 = Hinged Panels and
Powered Convenience Outlet
Packaging & Seismic Compliance
0 = Standard
1 = LTL
Electrical Options
A = None
C = Non-Fused Disconnect
D = Thru-The-Base Connections
F = Non-Fused Disconnect and
Thru-The-Base Connections
Example:
Position:
48FCDA04A2A5-0A0A0
123456789
10
11 12 13 14 15 16 17 18
Voltage
1 = 575/3/60
3 = 208-230/1/60
5 = 208-230/3/60
6 = 460/3/60
1
Size 04/05/06 models only
2
Size 07 models only
3
Units with Humidi-MiZer System include Low Ambient controller
Note: On single phase (-3 voltage code) models, the
following are not available as a factory-installed option:
- Humidi-MiZer System
- Two-Position Damper
- Coated Coils or Cu Fin Coils
- Louvered Hail Guards
- Economizer or 2-Position Damper
- Powered 115 Volt Convenience Outlet
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