York DHG180 Installation Instruction

Also see for SUNLINE DHG 180: Installation instruction

York DHG180 Installation Instruction Manual pdf 3 page image

035-17233-000-C-0702Unitary Products 3D 1 HG 180 E 180 25 ECGENERALYORK Model DHG units are single package high efficiencygas-fired central heating furnaces with cooling unit designedfor outdoor installation on a rooftop or a slab.The units are completely assembled on rigid, permanentlyattached base rails. All piping, refrigerant charge, and electri-cal wiring is factory installed and tested. The units requireelectric power, gas connection, duct connections, installationof combustion air inlet hood, flue gas outlet hoods and fixedoutdoor air intake damper (units without economizer ormotorized damper option only) at the point of installation.The gas-fired heaters have aluminized-steel tubular heatexchangers and spark ignition with proven pilot..SAFETY CONSIDERATIONSInstaller should pay particular attention to the words: NOTE,CAUTION, and WARNING. Notes are intended to clarify ormake the installation easier. Cautions are given to preventequipment damage. Warnings are given to alert installer thatpersonal injury and/or equipment damage may result if instal-lation procedure is not handled properly.Due to system pressure, moving parts and electrical compo-nents, installation and servicing of air conditioning equipmentcan be hazardous. Only qualified, trained, service personnelshould install, repair, maintain or service this equipment.Observe all precautions in the literature, on labels and tagsaccompanying the equipment whenever working on air condi-tioning equipment. Be sure to follow all other safety precau-tions that apply.Wear safety glasses and work gloves, and follow all safetycodes. Use a quenching cloth and have a fire extinguisheravailable for all brazing operations.TABLE 1: PRODUCT NOMENCLATUREModel # Model NumberDescription OptionsD Product Category D = Air Cond., Single Package1 Product Generation 1 = 1st GenerationHG Product Identifier HG = Gas/Electric180 Nominal Cooling Capacity 180 = 15 Tons 240 = 20 TonsE Factory Installed Heat A = No HeatE = Electric Heat N = Natural Gas018 Nominal Heating Capacity 018 = 18 kW 054 = 54 kW036 = 36 kW 072 = 72 kW25 Voltage Code 25 = 208/230-3-6058 = 575-3-60 46 = 460-3-60EC Factory InstalledOption CodeEC = Single Input Economizer DK = Dual Input EconomizerFD = Sing. Input Economizer w/ PowerExhaustCF = Dual Input Economizer with PowerExhaustBG = Motorized Outdoor Air DamperFOR YOUR SAFETY IF YOU SMELL GAS:a. Open windows.b. Don’t touch electrical switches; do not use anyphones in the area of the gas leak.c. Extinguish any open flame.d. Immediately call your gas supplier from anotherlocation. Follow your gas supplier’s instructions.e. If you cannot reach your gas supplier, call the firedepartments.This product must be installed in strict compliancewith the enclosed installation instructions and anyapplicable local, state, and national codes includ-ing, but not limited to, building, electrical andmechanical codes.