8
OAU-SVX005C-EN
Model Number Descriptions
Horizon Outdoor Air Unit
Digit 1, 2 — Unit Type
OA = Outdoor
Air
Digit 3 — Cabinet Size
B
=
500 cfm–3,000 cfm
G
=
1,250 cfm–7,500 cfm
Digit 4 — Major Design
Sequence
D
=
Revision 1
E
=
Heat Pump
Digit 5, 6, 7 — Normal Gross
Cooling Capacity (MBh)
000 = No
Cooling
036 =
3 Tons High Efficiency
048 =
4 Tons High Efficiency
060 =
5 Tons High Efficiency
072 =
6 Tons High Efficiency
084 =
7 Tons High Efficiency
096 =
8 Tons High Efficiency
108 =
9 Tons High Efficiency
120 =
10 Tons High Efficiency
144 =
12 Tons High Efficiency
180 =
15 Tons High Efficiency
210 =
17 Tons High Efficiency
240 =
20 Tons High Efficiency
264 =
22 Tons High Efficiency
300 =
25 Tons High Efficiency
360 =
30 Tons High Efficiency
Digit 8 — Minor Design
Sequence
A
=
Vertical Discharge/Vertical Return
B
=
Vertical Discharge/
Horizontal Return
C
=
Horizontal Discharge/
Vertical Return
D
=
Horizontal Discharge/
Horizontal Return
Digit 9 — Voltage Selection
1
= 115/60/1
2
= 208-230/60/1
3
= 208-230/60/3
4
= 460/60/3
5
= 575/60/3
Digit 10 — Reserved for Future
Use
Digit 11 — Evaporator Type
0
= No
Cooling
A
= DX
3-Row
B
= DX
4-Row
C
=
DX 4-Row Interlaced
D
=
DX 6-Row Interlaced
E
= DX
8-Row
F
= Glycol/Chilled
Water
Coil
G
=
DX 4-Row with
MSP
®
Technology
Digit 12 — Hot Gas Reheat
0
=
No HGRH
1
=
Fin and Tube Modulating
2
=
Fin and Tube On/Off
3
=
Microchannel Modulating
4
=
Microchannel On/Off
Digit 13 — Compressor
0
=
No Compressors
A
= Scroll
Compressors
B
=
Digital Scroll (1
st
Circuit Only)
C
=
Digital Scroll (1
st
and 2
nd
Circuit)
D
=
Variable Speed Scroll (1
st
Circuit Only)
E
=
Variable Speed Scroll (1
st
and
2
nd
Circuit)
Digit 14 — Condenser
0
= No
Condenser
1
=
Air-Cooled Fin and Tube
2
=
Air-Cooled Fin and Tube
w/Head Pressure On/Off Control
3
=
Water-Cooled DX Condenser
Copper/Steel
4
=
Air-Cooled Fin and Tube
w/Head Pressure Variable Speed
5
= Air-Cooled
Microchannel
6
= Air-Cooled
Microchannel
w/Head Pressure On/Off Control
7
= Air-Cooled
Microchannel
Variable Speed
8
=
Water-Cooled DX Condenser
Copper/Nickel
Digit 15 — Refrigerant Capacity
Control
0
=
No RCC Valve
A
=
RCC Valve on 1
st
Circuit
B
=
RCC Valve on 1
st
and 2
nd
Circuit
C
=
ERCC Valve on 1
st
Circuit
D
=
ERCC Valve on 1
st
and 2
nd
Circuit
E
=
HGBP Valve on 1
st
Circuit
F
=
HGBP Valve on 1
st
and
2
nd
Circuit
Digit 16 — Indoor Fan Motor
(IFM)
0
=
ECM w/Backward Curved
Plenum Fan
1
=
Direct Drive w/ VFD
2
= Belt
Drive
3
=
Belt Drive w/VFD
4
=
Special Motor Option
Digit 17 — Indoor Fan Wheel
A
=
355
B
=
450
C
=
450 X 2
D
=
12/9 T2 (Single Fan—Belt Drive)
E
=
12/9 BT (Dual Fan—Belt Drive)
Digit 18 — Indoor Fan Motor
Power (hp)
Digit 19 — Reserved for Future
Use
Digit 20 — Heat Type (PRI/SEC)
0
= No
Heat
A
= Indirect-Fired
(IF)
B
=
No Primary Heat, Direct-Fired
(DF) Secondary
C
= Electric—Stage
D
= Electric—SCR
Modulating
E
=
Dual Fuel (PRI-IF/SEC-DF)
F
=
Dual Fuel (PRI-ELEC/SEC-DF)
G
=
Dual Fuel (PRI-IF/SEC-ELEC)
H
= Dual
Fuel
(PRI-ELEC-SCR/SEC-ELEC)
J
= Hot
Water
K
= Steam
L
=
No Primary Heat,
Secondary ELEC
M
=
Dual Fuel
(PRI-ELEC-STAGED/SEC-DF)
N
=
Dual Fuel
(PRI-ELEC-STAGED/SEC-ELEC)
Digit 21 — Primary Fuel Type
0
= No
Heat
1
=
Natural Gas
2
= Propane
3
= Electric—Open
Coil
4
=
Electric—Sheathed Coil
5
=
Hot Water
6
=
Steam
ECM
Belt Drive
A
=
1 kW
2 hp
B
=
2 kW
3 hp
C
=
3 kW
5 hp
D
=
4 kW
7.5 hp
E
=
10 hp
F
=
15 hp