York ZR Series Installation Manual

Also see for ZR SERIES: Technical guide Wiring diagrams Installation manual

Contents

275864-YIM-F-0213Johnson Controls Unitary Products 5InstallationInstallation Safety InformationRead these instructions before continuing this applianceinstallation. This is an outdoor combination heating and coolingunit. The installer must assure that these instructions are madeavailable to the consumer and with instructions to retain themfor future reference.1. Refer to the unit rating plate for the approved type of gasfor this product.2. Install this unit only in a location and position as specifiedon Page 7 of these instructions.3. Never test for gas leaks with an open flame. Usecommercially available soap solution made specifically forthe detection of leaks when checking all connections, asspecified on Pages 5, 25 and 50 of these instructions.4. Always install furnace to operate within the furnace'sintended temperature-rise range with the duct systemand within the allowable external static pressure range,as specified on the unit name/rating plate, specified onPage 24 of these instructions.5. This equipment is not to be used for temporary heating ofbuildings or structures under construction.6. If a factory option convenience outlet is installed, theweatherproof outlet cover must be field installed. The covershall be located in the unit control box. To install the cover,remove the shipping label covering the convenience outlet,follow the instructions on the back of the weatherproofcover box, and attach the cover to the unit using the (4)screws provided.LimitationsThese units must be installed in accordance with the following:In U.S.A.:1. National Electrical Code, ANSI/NFPA No. 70 - LatestEdition2. National Fuel Gas Code, ANSI Z223.1 - Latest Edition3. Gas-Fired Central Furnace Standard, ANSI Z21.47a. -Latest Edition4. Local building codes, and5. Local gas utility requirementsIn Canada:1. Canadian Electrical Code, CSA C22.12. Installation Codes, CSA - B149.1.3. Local plumbing and waste water codes, and4. Other applicable local codes.Refer to unit application data found in this document.After installation, gas fired units must be adjusted to obtain atemperature rise within the range specified on the unit ratingplate.If components are to be added to a unit to meet local codes,they are to be installed at the dealer’s and/or customer’sexpense.Size of unit for proposed installation should be based on heatloss/heat gain calculation made according to the methods of AirConditioning Contractors of America (ACCA).This furnace is not to be used for temporary heating of buildingsor structures under construction.FIRE OR EXPLOSION HAZARDFailure to follow the safety warning exactly could resultin serious injury, death or property damage.Never test for gas leaks with an open flame. use acommercially available soap solution made specificallyfor the detection of leaks to check all connections. A fireor explosion may result causing property damage,personal injury or loss of life.208/230-3-60 and 380/415-3-50 units with factoryinstalled Powered Convenience Outlet Option are wiredfor 230v and 415v power supply respectively. Changetap on transformer for 208-3-60 or 380-3-50 operation.See unit wiring diagram.The Simplicity® control board used in this product willeffectively operate the cooling system down to 0°F whenthis product is applied in a comfort cooling applicationfor people. An economizer is typically included in thistype of application. When applying this product forprocess cooling applications (computer rooms,switchgear, etc.), please reference applications bulletinAE-011-07 or call the applications department forUnitary Products @ 1-877-UPG-SERV for guidance.Additional accessories may be needed for stableoperation at temperatures below 30°F.