Specifications

6
FIGURE 7
FIGURE 6
HOOD EXTENSION ASSEMBLY
MODEL "A"
3 - 6 TON 21.750 REF
7 ½ TON 27.750 REF.
RETURN DUCT TO BE
PROPERLY SIZED FOR
AIRFLOW OF SPECIFIC
INSTALLATION
BAROMETRIC RELIEF DAMPER &
HOOD TO BE RELOCATED FROM
ECONOMIZER TO RETURN DUCT
AS SHOWN
SUPPLY
DUCT
NOTE:
COIL NOT SHOWN
FOR CLARITY
(10) SCREWS
A
14
A
12
3
8
HOOD EXTENSION TOP
HOOD EXTENSION DIVIDER
HOOD EXTENSION SIDE
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