Model Number Coding System - Trane R Series Installation Operation & Maintenance

General Information
Figure 1 Nameplates

Model Number Coding System

The model numbers for the unit and the compressors are comprised of
numbers and letter which represent features of the equipment.
Each position, or group of positions, in the number is used to represent a
feature. For example, Unit Voltage, contains the number "4" . From the chart, it
can be seen that a "4" in this position means that the unit voltage is
460/60/3.
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