York WJ 180 Technical Manual
Also see for WJ 180: Installation manual
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Contents
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262291-YTG-F-1009Johnson Controls Unitary Products 45NOTE: ELEC / ELEC Models: Units and ductwork areapproved for zero clearance to combustible materialwhen equipped with electric heaters.GAS / ELEC Models: A 1” clearance must beprovided between any combustible material and thesupply air ductwork for a distance of 3 feet from theunit.The products of combustion must not be allowed toaccumulate within a confined space and recirculate.Locate unit so that the vent air outlet hood is at least:• Three (3) feet above any force air inlet locatedwithin 10 horizontal feet (excluding those integral tothe unit).• Four (4) feet below, four horizontal feet from, or onefoot above any door or gravity air inlet into thebuilding.• Four (4) feet from electric and gas meters,regulators and relief equipment.FIGURE 6 - UNIT DIMENSIONS WJ180, 240 & 300 (RAINHOOD)TABLE 33: MINIMUM CLEARANCESLOCATION CLEARANCEFront 36”Rear 24” (Less Economizer)49” (With Economizer)Left Side (Filter Access) 24” (Less Economizer)36” (With Economizer) 3Right Side (Cond. Coil) 36”Below Unit11. Units may be installed on combustible floors made from wood orclass A, B, or C roof covering material.0”Above Unit 22. Units must be installed outdoors. Overhanging structures orshrubs should not obstruct condenser air discharge outlet.3. If economizer is factory installed, the unassembled rain hoodmust be removed from its ride along position in front of evapora-tor coil, or in the outdoor air compartment, prior to final installa-tion.72” With 36” MaximumHorizontal Overhang (ForCondenser Air Discharge)REAR VIEWDETAIL “Y”UNIT WITH RAIN HOODSLH VIEW28-3/16” 92”36-5/8”5”16-1/8”SUPPLY AIRCOMPARTMENTPOWER EXHAUSTRAIN HOOD(on Return Air Compartment)ECONOMIZERMOTORIZEDDAMPERRAIN HOOD(on Outdoor Air Compartment) ECONOMIZER / MOTORIZED DAMPERAND POWER EXHAUST RAIN HOODSFIXEDOUTDOOR AIRINTAKE HOOD(located onReturn AirCompartment)1“ CONDENSATEDRAIN(Must be trapped) |
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