Model Number Descriptions
12 OAU-SVX007A-EN
Horizon Outdoor Air Unit
Model: OADG Rev6 and
OANG Rev6
Digit 1, 2 — Unit Type
OA = Outdoor Air
Digit 3 — Cabinet Size
D = 1250–8000 cfm
N = 5000–25000 cfm
Digit 4 — Major Design Sequence
G = Revision 6
Digit 5, 6, 7 — Normal Gross
Cooling Capacity (MBh)
000 = No DX Cooling
010 = 10 Tons High Efficiency
012 = 12 Tons High Efficiency
015 = 15 Tons High Efficiency
017 = 17 Tons High Efficiency
020 = 20 Tons High Efficiency
040 = 40 Tons High Efficiency
045 = 45 Tons High Efficiency
050 = 50 Tons High Efficiency
055 = 55 Tons High Efficiency
060 = 60 Tons High Efficiency
065 = 65 Tons High Efficiency
070 = 70 Tons High Efficiency
075 = 75 Tons High Efficiency
080 = 80 Tons High Efficiency
Digit 8 — Airflow Configuration
A = Vertical Discharge/No Return
B = Horizontal Discharge/No Return
C = Vertical Discharge/Vertical Return
D = Vertical Discharge/Horizontal
Return/Exhaust
E = Horizontal Discharge/Vertical
Return/Exhaust
F = Horizontal Discharge/Horizontal
Return/Exhaust
G = Vertical Discharge/Vertical
Return/Vertical Exhaust
H = Vertical Discharge/Vertical
Return/Horizontal Exhaust
J = Vertical Discharge/Horizontal
Return/Vertical Exhaust
K = Vertical Discharge/Horizontal
Return/Horizontal Exhaust
L = Horizontal Discharge/Vertical
Return/Vertical Exhaust
M = Horizontal Discharge/Vertical
Return/Horizontal Exhaust
N = Horizontal Discharge/Horizontal
Return/Vertical Exhaust
P = Horizontal Discharge/Horizontal
Return/Horizontal Exhaust
Digit 9 — Voltage Selection
1 = 208/60/3
2 = 230–240/60/3
3 = 460/60/3
4 = 575/60/3
Digit 10 — Not Used
Digit 11 — Indoor Coil Type
0 = No Indoor Coil
C = DX 4-Row
D = DX 6-Row
F = Glycol/Chilled Water Coil – 4-
Row
G = Glycol/Chilled Water Coil – 6-
Row
H = Glycol/Chilled Water Coil with
Cooney Freeze Block
Technology – 4-Row
J = Glycol/Chilled Water Coil with
Cooney Freeze Block
Technology – 6-Row
Digit 12 — Reheat
0 = No Reheat
A = Fin and Tube Modulating HGRH
B = Fin and Tube On/Off HGRH
Digit 13 — Compressor
0 = No Compressor
A = Scroll Compressors
B = Digital Scroll – 1
st
Circuit Only
C = Digital Scroll – 1
st
Circuit and 2
nd
Circuit
D = eFlex™ – 1
st
Circuit Only
E = eFlex™ – 1
st
Circuit and 2
nd
Circuit
F = eFlex™ – 1
st
Circuit, Digital Scroll-
2
nd
Circuit
Digit 14 — Outdoor Coil
0 = No Condenser
1 = Air-cooled Fin and Tube
3 = Water-cooled Copper/Nickel
4 = Water-cooled Copper/Steel
5 = ASHP Fin and Tube
7 = WSHP Copper/Nickel
8 = WSHP Copper/Steel
Digit 15 — Refrigerant Capacity
Control
0 = No RCC Valve
1 = RCC Valve on 1
st
Circuit
2 = RCC Valve on 1
st
and 2
nd
Circuit
Digit 16 — Heat Type—Primary
0 = No Heat
A = Indirect Fired NG (IF) – Standard
Efficiency (80%)
B = Indirect Fired NG (IF) – High
Efficiency (82%)
C = Indirect Fire NG (IF) – Premium
Efficiency (+90%)
D = Indirect Fired LP (IF) – Standard
Efficiency (80%)
E = Indirect Fired LP (IF) – High
Efficiency (82%)
F = Indirect Fire LP (IF) – Premium
Efficiency (+90%)
G = Hot Water
H = Electric – Staged
J = Electric – SCR Modulating
Q = Hot Water – Eco Coated Coils
R = Hot Water – S/S Coil Casing
S = Hot Water – S/S Coil Casing with
Eco Coated Coils
Digit 17 — Heat Capacity—Primary
Digit 18 — Heat Type—Secondary
0 = No Secondary Heat
4 = Electric – Staged
5 = Electric – SCR Modulating
IF ELEC HOT WATER
0 = No Heat
A = 50 MBh 5 kW 1 Row/10
FPI
B = 75 MBh 10 kW 1 Row/12
FPI
C = 100 MBh 15 kW 1 Row/14
FPI
D = 125 MBh 20 kW 2 Row/10
FPI
E = 150 MBh 24 kW 2 Row/12
FPI
F = 200 MBh 28 kW 2 Row/14
FPI
G = 250 MBh 32 kW 3 Row/10
FPI
H = 300 MBh 40 kW 3 Row/12
FPI
J = 350 MBh 48 kW 3 Row/14
FPI
K = 400 MBh 60 kW
L = 500 MBh 68 kW
M = 500 MBh
(Dual 250)
79 kW
N = 600 MBh 99 kW
P = 600 MBh
(Dual 300)
111 kW
R = 800 MBh 119 kW
S = 800 MBh
(Dual 400)
139 kW
T = 1000 MBh 159 kW
U = 1000 MBh
(Dual 500)
179 kW
V = 1200 MBh 199 kW
W = 215 kW
Y = 230 kW
Z = 250 kW
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