8 SSP-PRC001-EN
Digits 1,2,3 - Product Type
TWA = Split System Heat Pump
Digits 4,5,6 - Nominal Gross
Cooling Capacity (MBh)
090 = 7 1/2 Tons
120 = 10 Tons
180 = 15 Tons
240 = 20 Tons
Digits 7 - Major Development
Sequence
A = Single Compressor
B = Dual Compressor
Digits 8 - Electrical
Characteristics
1 = 208-230/60/1
3 = 208-230/60/3
4 = 460/60/3
W = 575/60/3
Digits 9,10 - Factory Installed
Options
00 = Packed Stock
0S = Black Epoxy Coated Coil
Digits 11 - Minor Design Sequence
D = Fourth
Digits 12 - Service Digit
A = First
Model Number
Description
Split System Heat Pump Model Nomenclature
T W A 0 9 0 A 3 0 0 D A
1 2 3 4 5 6 7 8 9 10 11 12
Digits 1,2,3 - Product Type
TWE = Split System Heat Pump/
Cooling Air Handler
Digits 4,5,6 - Nominal Gross
Cooling Capacity (MBh)
060 = 5 Tons
090 = 7 1/2 Tons
120 = 10 Tons
180 = 15 Tons
240 = 20 Tons
Digits 7 - Refrigerant Circuit
A = Single
B = Dual
Digits 8 - Electrical
Characteristics
1 = 208-230/60/1
3 = 208-230/60/3
4 = 460/60/3
W = 575/60/3
Digits 9,10 - Factory Installed
Options
00 = Packed Stock
Digits 11 - Minor Design Sequence
C = Third
Digits 12 - Service Digit
A = First
Air Handler Model Nomenclature
T W E 0 9 0 A 1 0 0 C A
1 2 3 4 5 6 7 8 9 10 11 12