175245-YIM-C-10084 Johnson Controls Unitary ProductsGENERALYORK® Model BQ units are single package heatpumps equipped with optional factory installed electricheaters. These are designed for outdoor installation ona rooftop or slab.The units are completely assembled on rigid, perma-nently attached base rails. All piping, refrigerantcharge, and electrical wiring is factory installed andtested. The units require electric power, gas connec-tion, duct connections, installation of combustion airinlet hood, flue gas outlet hoods and fixed outdoor airintake damper (units without economizer or motorizeddamper option only) at the point of installation.The supplemental electric heaters have nickel-chromeelements and utilize single point power connection.SAFETY CONSIDERATIONSDue to system pressure, moving parts and electricalcomponents, installation and servicing of air condition-ing equipment can be hazardous. Only qualified,trained, service personnel should install, repair, main-tain or service this equipment.Observe all precautions in the literature, on labels andtags accompanying the equipment whenever workingon air conditioning equipment. Be sure to follow allother safety precautions that apply.Wear safety glasses and work gloves, and follow allsafety codes. Use a quenching cloth and have a fireextinguisher available for all brazing operations.INSPECTIONAs soon as a unit is received, it should be inspected forpossible damage during transit. If damage is evident,the extent of the damage should be noted on the car-rier's freight bill. A separate request for inspection bythe carrier's agent should be made in writing.REFERENCEAdditional information on the design, installation, oper-ation and service of this equipment is available in thefollowing reference forms:• Technical Guide - 262256• General Installation - 175245RENEWAL PARTSContact your local York® Parts Distribution Center forauthorized replacement parts.APPROVALSDesign certified by CSA as follows:• For use as a heat pump only with or withoutoptional electric heat.• For outdoor installation only.• For installation on combustible material.Installer should pay particular attention to the words:NOTE, CAUTION and WARNING. Notes are intendedto clarify or make the installation easier. Cautions aregiven to prevent equipment damage. Warnings aregiven to alert installer that personal injury and/or equip-ment damage may result if installation procedure is nothandled properly.This product must be installed in strict compli-ance with the enclosed installation instructionsand any applicable local, state, and nationalcodes including, but not limited to, building,electrical, and mechanical codes.Improper installation may create a conditionwhere the operation of the product could causepersonal injury or property damage.