12
NOTE: Return air opening must be cut out to knockouts provided. Minimum return air opening size, 18” X 18”. Caution: Return air openings shall not be installed in back panel.
Supply air plenum must be
constructed of suitable materials
and sized by installing contractor
so as to be of sufficient strength
to support furnace and accessory
fittings and materials.
Non combustible base required
Return air knock out
NOTE: Field selected suspension materials must be sized by the installing contractor and be of sufficient strength to support air handler weight of 100 lbs and connected accessory fittings and materials.
Minimum 1” x 1” x 1/8” angle
Horizontal Installation
Upflow Installation
Counterflow Installation
Fig 5
Summary of Contents for ALPHA
Page 9: ...9 Fig 2 MAIN CONTROL BOARD ...
Page 11: ...11 Fig 4 ...