ANY COMBINATION OF 1, 2, OR 3 PERMITTED.
A11036
A11037
Fig. 25 - - Upflow Return Air Configurations and Restrictions
Fig. 26 - - Downflow Return Air Configurations
and Restrictions
HORIZONTAL TOP
RETURN NOT
PERMITTED FOR
ANY MODEL
A11038
Fig. 27 - - Horizontal Return Air Configurations and Restrictions
27