Positions 15 and 16—Product Variations
Example:
AA—Standard unit
Other letters—For product variations from standard
II. SERIAL NUMBER IDENTIFICATION
The unit serial number has 10 positions containing groups of
numbers and a letter that indicate specific information about the
unit. Listed below is the breakdown of the 10 positions.
Positions 1 and 2—Week of Manufacture
Example:
01—First week of a year
52—Last week of a year
Positions 3 and 4—Year of Manufacture
Example:
94—1994
Position 5—Manufacturing Site
Example:
A–Indianapolis
E–Collierville
Positions 6 through 10—Serial Number
Fig. 4—Application with Air Conditioner Installed in a Horizontal Configuration
A90074
175' MAX.
GROUND LEVEL
BASEMENT
Fig. 5—Application with Heat Pump Installed in a Horizontal Configuration
A90075
175' MAX.
GROUND LEVEL
BASEMENT
—9—
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