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Model Number Information
Nameplates
Unit nameplates are applied to the exterior of the control
panel. A compressor nameplate is located on each
compressor. When the unit arrives, compare all nameplate
data with ordering, submittal, and shipping information.
Unit Nameplate
The unit nameplate provides the following information:
• Model
• Serial number
• Electrical requirements
• Operating charges (refrigerant and oil)
• Design pressures
• Installation, operation and maintenance and service
data literature
• Drawing numbers for unit wiring diagrams
Model Number Coding System
Model numbers are composed of numbers and letters that
represent features of the equipment.
Each position, or group of positions, in the model number is
used to represent a feature. Unit model number digits are
selected and assigned in accordance with the definitions as
listed in Model Number Descriptions chapter.
Compressor Nameplate
The compressor nameplate provides the following
information:
• Compressor model number
• Compressor serial number
• Compressor electrical characteristics
• Utilization range
• Recommended refrigerant
See Model Number Descriptions chapter for compressor
model and serial number descriptions.