4TWE-SVX03C-EN
Model Number Description
All products are identified by a
multiple-character model number
that precisely identifies a particular
type of unit. An explanation of the
alphanumeric identification code is
provided. Its use will enable the
owner/operator, installing
contractors, and service engineers to
define the operation, specific
components, and other options for
any specific unit.
When ordering replacement parts or
requesting service, be sure to refer
to the specific model number, serial
number, and DL number (if
applicable) stamped on the unit
nameplate.
DIGITS 1-3: PRODUCT TYPE
TWE = Split System Heat Pump/
Cooling Air Handler
DIGITS 4-6: NOMINAL GROSS
COOLING CAPACITY (MBh)
060 = 5 Tons
090 = 7½ Tons
120 = 10 Tons
150 = 12½ Tons
180 = 15 Tons
240 = 20 Tons
DIGIT 7: MAJOR DEVELOPMENT
SEQUENCE
A = Single
B = Dual
DIGIT 8: ELECTRICAL
CHARACTERISTICS
1 = 208-230/60/1
3 = 208-230/60/3
4 = 460/60/3
W = 575/60/3
D = 380-415/50/3
K = 380/60/3
DIGITS 9, 10: FACTORY
INSTALLED OPTIONS
00 = Packed Stock
DIGITS 11: MINOR DESIGN
SEQUENCE
Current Design Sequence
DIGITS 12: SERVICE DIGIT
A = First

Model Number Description

TWE 090 A 1 00 E A
123 456 7 8 9 10 11 12