All dimensions are in inches. They aresubject to change without notice. Certifieddimensions will be provided upon request.CLEARANCESFront 24"Back12" (Less Economizer)36" (With Economizer/Outdoor Air Damper)Left Side (Filter Access) 24" (Less Economizer)54" 3 (With Economizer)Right Side (Outdoor Coil) 24"Below Unit 1 20"Above Unit272" With 36" MaximumHoriz. Overhang(For Outdoor AirDischarge)1Units may be installed on combustible floors made from wood orclass A, B or C roof covering material.2Units must be installed oudoors. Overhanging structures or shrubsshould not obstruct outdoor air discharge outlet.3 If economizer is factory installed, the assembled hood kit must be removed priorto final installation. This hood is 54" long.NOTE: A 1" clearance must be provided between any combustible material and thesupply air ductwork for a distance of 3 feet from the unit.The products of combustion must not be allowed to accumulate within a confinedspace and recirculate.Locate unit so that the vent air outlet hood is at least:• Three (3) feet above any forced air inlet located within 10 horizontal feet (exclud-ing those integral to the unit).• Four (4) feet below, 4 horizontal feet from, or 1 foot above any door or gravity airinlet into the building.• Four (4) feet from electric meters, gas meters, regulators and relief equipment.HOLEOPENINGSIZE(DIA.)USED FORA 3/4" KO ControlWiringSide7/8" KO Bottom*B 2" KO Power Wiring(Side or Bottom)*C 2" KO Gas Piping (Front)D 1-11/16" Hole Gas Piping (Bottom)**Openings in the bottom of the unit can be located by the sliceUTILITIES ENTRY DATAUNIT DIMENSIONS - (BHN - 7-1/2 & 10 TON)RETURN AIRSUPPLY AIROUTDOOR AIROUTDOOR AIR(Economizer)511.17-TG2Y10 Unitary Products Group