6
8
Fig 5 5.-
5 5 Ductwork.
lAttaching horizontal ductwork to unit
lAll conditioned air ductwork should be insulated to minimize heating and cooling duct losses.
Use a minimum of two (2) inches of insulation with a vapor barrier. The outside ductwork
lmust be weatherproofed between the unit and the building.
lWhen attaching ductwork to a horizontal unit, provide a flexible watertight connection to
NOTE
Do not draw the canvas taut between the solid ducts.
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