UNIT IDENTIFICATION
Step 1—Product Number Stamped on Unit-Rating Plate
The unit product number has 16 positions containing groups of
numbers and letters that indicate specific information about the
unit. Listed below is the breakdown of the 16 positions.
Positions 1, and 2—Model Number
Example:
A 38 indicates the unit is either an air conditioner or a heat pump.
Positions 3, 4, and 5—Model Letters
Identifies a specific product model.
Positions 6, 7, and 8—Nominal Cooling Capacity (in thousands
Btuh)
Example: 036 = 36,000 Btuh or 3–ton capacity.
Position 9—Not Used
Ths position will contain a dash (—).
Position 10—Description
C—Canada
L—Limited Edition
Position 11—Not Used
Ths position will contain a dash (—).
Position 12—Electrical Characteristics
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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