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Fig. 1 — Model Number Nomenclature
Model Type
40RU = Packaged Air Handling Unit
with Puron
®
R-410A Refrigerant
Type of Coil
A = Standard DX Coil
Q = DX Coil for Heat Pump Duty
S = Chilled Water Coil
Refrigerant Options
A = None
Nominal Tonnage
07 = 6 Tons (40RUA and 40RUQ only)
08 = 7.5 Tons
10 = 8.5 Tons (40RUS only)
12 = 10 Tons
14 = 12.5 Tons (40RUA and 40RUS only)
16 = 15 Tons
Fan Motor Speed Controller
A = None - Standard
T = 2 Speed Fan Controller (VFD) - Staged Air Volume (SAV
TM
)
Indoor Fan Motor Options - Belt Drive
1 = Standard Motor / Standard Drive
2 = Standard/Alternate Motor / Medium Drive
3 = High Motor / High Drive **
6 = High Static, High Efficient Motor / High Drive (16 size only)
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Example
0
R U A A 1
2
A 1
A 6
-
0
A 0
A
0
1
2
3
4
5
6
7
8
9
10 11 12 13 14 15 16 17 18
Packaging
0 = Standard
Future Use
A = Standard
Cabinet Paint
0 = None
1 = Painted
Future Use
A = Standard
Revision Number
- = Standard
Voltage*
1 = 575-3-60
3 = 208/230-1-60 (07, 08 and 10 sizes only)
5 = 208/230-3-60
6 = 460-3-60
Coil Options
A = Standard Aluminum Fin / Copper Tube
Future Use
0 = Standard
Position
Notes:
** Single-phase 07, 08 and 10 sizes designate standard motor and high static drive.
* All 40RU*07 through 14 units and 40RUQ07 through 16 units with a “6” voltage designation are triple voltage; ie., 308/230/460-3-60.
Size 40RU*16 is also triple voltage in the “6” configuration unless the High Static motor option is used that is discrete 460-3-60.
Units that require 2-Speed indoor fan motor must use dedicated voltage models listed. The VFD used is not multi voltage.