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RT-PRC031-EN 31
DIGIT 1 — UNIT TYPE
W Self-Contained (Packaged
Air Handler)
DIGIT 2 — UNIT FUNCTION
E Electric Heat
F Natural Gas Heat
LHot Water Heat
S Steam Heat
X No Heat
DIGIT 3 — SYSTEM TYPE
H Single Zone
DIGIT 4 — DEVELOPMENT
SEQUENCE
CThird
DIGIT 5 — UNIT SIZE
A 16,000 - 31,000 CFM
B 20,000 - 38,000 CFM
C 20,000 - 45,000 CFM
DIGIT 6 — COOLING COIL
0 No Cooling Coil
2 2 Row Chilled Water
4 4 Row Chilled Water
6 6 Row Chilled Water
8 8 Row Chilled Water
DIGIT 7 — CHILLED WATER COIL
FIN SERIES
0 No Chilled Water Coil
A Series 80 without Turbulators
B Series 80 with Turbulators
C Series 108 without Turbulators
D Series 108 with Turbulators
E Series 144 without Turbulators
F Series 144 with Turbulators
G Series 168 without Turbulators
H Series 168 with Turbulators
DIGIT 8 — VOLTAGE SELECTION
4 460/60/3 XL
5 575/60/3 XL
DIGIT 9 — HEAT CAPACITY
SELECTION
0 No Heat
1 Electric Heat 90 kW
2 Electric Heat 140 kW
3 Electric Heat 265 kW
4 Electric Heat 300 kW
A Low Gas Heat - 2 stage
B Medium Gas Heat - 2 stage
C High Gas Heat - 2 stage
D Low Gas Heat - Modulating
E Medium Gas Heat - Modulating
F High Gas Heat - Modulating
Low Heat Options
H Low Heat - 1.25 in. (32mm) Valve
J Low Heat - 1.5 in. (38mm) Valve
K Low Heat - 2.0 in. (50mm) Valve
L Low Heat - 2.50 in. (64mm) Valve
M Low Heat - 3.0 in. (76mm) Valve
High Heat Options
P High Heat - 1.25 in.(32mm) Valve
Q High Heat - 1.5 in. (38mm) Valve
R High Heat - 2.0 in. (50mm) Valve
T High Heat - 2.50 in. (64mm) Valve
U High Heat - 3.0 in. (76mm) Valve
DIGIT 10 & 11— DESIGN
SEQUENCE
AO
DIGIT 12 — UNIT
CONFIGURATION SELECTION
4 1 Piece Unit - without Blank
Section
5 1 Piece Unit with 4 ft. Blank
Section
6 1 Piece Unit with 8 ft. Blank
Section
DIGIT 13 — AIRFLOW DIRECTION
1 Downflow Supply/Upflow Return
2 Downflow Supply/Horizontal End
Return
3 Downflow Supply/Horizontal
Right Return
4 Right Side Horizontal Supply/
Upflow Return
5 Right Side Horizontal Supply/
Horizontal End Return
6 Right Side Horizontal Supply/
Horizontal Right Return
DIGIT 14 — FAN MOTOR
SELECTION
1 Standard Efficiency Motor(s)
2 High Efficiency Motor(s)
3 TEFC High Efficiency Motor(s)
DIGIT 15 — SUPPLY FAN MOTOR
SELECTION
F15 Hp
G20 Hp
H25 Hp
J30 Hp
K40 Hp
L50 Hp
M60 Hp
N75 Hp
DIGIT 16 — SUPPLY FAN RPM
SELECTION
7700
8800
9900
A1000
B1100
C1200
D1300
E1400
F1500
G1600
H1700
J1800
K1900
L 2000
DIGIT 17 — EXHAUST/RETURN
FAN OPTIONS
0None
1 High CFM Exhaust w/o Statitrac
CV Only
2 Low CFM Exhaust w/o Statitrac
CV Only
3 High CFM Exhaust w/o VFD w/
Statitrac
4 Low CFM Exhaust w/o VFD w/
Statitrac
5 High CFM Exhaust w/ VFD w/
Bypass w/ Statitrac
6 Low CFM Exhaust w/ VFD w/
Bypass w/ Statitrac
7 High CFM Exhaust w/ VFD w/o
Bypass w/ Statitrac
8 Low CFM Exhaust w/ VFD w/o
Bypass w/ Statitrac
Model Number Description
WEHCA0040A0411F70001A0000A0D0A00000000
1 2 3 4 567 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38