WaterFurnace AT022C/D Installation And Maintenance Manual
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InstallationGuideP/N 96P557A01 rev. 2/99Geothermal System Single-SpeedInstallation and Maintenance Manual208-230/60/1 & 208-230/60/3WARNING: Before performing service or maintenance operations on a system,turn off main power switches to the indoor unit. If applicable, turn off the accessory heaterpower switch. Electrical shock could cause personal injury.Installing and servicing heating and air conditioning equipment can be hazardous due tosystem pressure and electrical components. Only trained and qualified service personnel shouldinstall, repair or service heating and air conditioning equipment.Untrained personnel can perform the basic maintenance functions of cleaning coils andcleaning and replacing filters. All other operations should be performed by trained servicepersonnel. When working on heating and air conditioning equipment, observe precautions in theliterature, tags and labels attached to the unit and other safety precautions that may apply.Follow all safety codes. Wear safety glasses and work gloves. Use a quenching cloth forbrazing operations and have a fire extinguisher available.Move units in the normal “up” orientation as indicated by the arrows on each carton. Horizon-tal units may be moved and stored per the information on the carton. Do not stack more thanthree units in total height. Vertical units may be stored one upon another to a maximum height oftwo units. Do not attempt to move units while stacked. When the equipment is received, all itemsshould be carefully checked against the bill of lading to be sure all crates and cartons have beenreceived. Examine units for shipping damage, removing the units from the cartons if necessary.Units in question should also be internally inspected. If any damage is noted, the carrier shouldmake the proper notation on the delivery receipt, acknowledging the damage.Moving andStorageModelNomenclatureTable ofContentsModel Nomenclature 1Safety Considerations 1Moving and Storage 1Physical Data 2General Installation Information 2-5Closed Loop Cooler/Boiler Systems 5-6Closed Loop Ground Source Systems 6-8Open Loop Groundwater Systems 8-9Desuperheater Connection 9-10Initial Desuperheater Start Up 10-11Electrical Connections 11-12Wiring Schematics 13-16Thermostats 17Microprocessor Control Operation 17-19Blower Speed 19Blower Performance 20Unit Start-Up 20-22Preventive Maintenance 23Troubleshooting 24Replacement Procedures 24Unit Operating Pressures 25Unit Electrical Data 25SafetyConsiderationsModel TypeATV= Vertical Premier UnitATH= Horizontal Premier UnitNon-Standard OptionsCoax OptionsC = CopperN = CupronickelUnit Size034 = 34,000 BTUH Nominal cooling at90° F entering waterDesign VintageC or higher = Premier2Return Air OptionsL = Left returnR = Right returnFor Future UseATV D034 1 1 0 C L T XElectrical Characteristics0 = 208-230/60/1 Commercial1 = 208-230/60/1 Residential3 = 208-230/60/3 CommercialDischarge Air OptionsB = Bottom discharge (Vertical)T = Top discharge (Vertical)T = End discharge (Horizontal)T = Side discharge (Horizontal)Hot Water Options0 = No hot water option1 = Hot Water Generation w/pump |
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