Model Number Descriptions; Horizon Outdoor Air Unit; Model: Oadg And Oang - Trane Horizon OADG Series Installation, Operation And Maintenance Manual

Model Number Descriptions

Horizon Outdoor Air
Unit

Model: OADG and OANG

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
Vertical Discharge/Horizontal 
D =
Return/Exhaust
Horizontal Discharge/Vertical 
E =
Return/Exhaust
Horizontal Discharge/Horizontal 
F =
Return/Exhaust
Vertical Discharge/Vertical 
G =
Return/Vertical Exhaust
Vertical Discharge/Vertical 
H =
Return/Horizontal Exhaust
Vertical Discharge/Horizontal 
J =
Return/Vertical Exhaust
Vertical Discharge/Horizontal 
K =
Return/Horizontal Exhaust
Horizontal Discharge/Vertical 
L =
Return/Vertical Exhaust
Horizontal Discharge/Vertical 
M =
Return/Horizontal Exhaust
Horizontal Discharge/Horizontal 
N =
Return/Vertical Exhaust
Horizontal Discharge/Horizontal 
P =
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
OAU-SVX006E-EN
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
Digit 13 — Compressor
0 = No Compressor
A = Scroll Compressors
st
B = Digital Scroll—1 Circuit Only
st
C = Digital Scroll—1 Circuit and 2
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
st
1 = RCC Valve on 1 Circuit
Digit 16 — Heat Type—Primary
0 = No Heat
Indirect Fired NG (IF)—Standard 
A =
Efficiency (80%)
Indirect Fired NG (IF)—High 
B =
Efficiency (82%)
Indirect Fired LP (IF)—Standard 
D =
Efficiency (80%)
Indirect Fired LP (IF)—High 
E =
Efficiency (82%)
G = Hot Water
H = Electric—Staged
J = Electric—SCR Modulating
Digit 17 — Heat Capacity—
Primary
IF
0 = No Heat
A = 50 MBh
B = 75 MBh 10 kW
C = 100 MBh 15 kW
D = 125 MBh 20 kW
E = 150 MBh 24 kW
F = 200 MBh 28 kW
G = 250 MBh 32 kW
H = 300 MBh 40 kW
nd
J = 350 MBh 48 kW
K = 400 MBh 60 kW
L = 500 MBh 68 kW
M = 500 MBh 79 kW
(Dual 250)
N = 600 MBh 99 kW
P = 600 MBh 111 kW
(Dual 300)
R = 800 MBh 119 kW
S = 800 MBh 139 kW
(Dual 400)
T = 1000 MBh 159 kW
U = 1000 MBh 179 kW
(Dual 500)
V = 1200 MBh 199 kW
W = 215 kW
Y = 230 kW
Z = 250 kW
Digit 18 — Heat Type—
Secondary
0 = No Secondary Heat
4 = Electric—Staged
Digit 19 — Heat Capacity—
Secondary
ELEC HOT WATER
5 kW 1 Row/10
FPI
1 Row/12
FPI
1 Row/14
FPI
2 Row/10
FPI
2 Row/12
FPI
2 Row/14
FPI
3 Row/10
FPI
3 Row/12
FPI
3 Row/14
FPI
9