Manufacturer reserves the right to discontinue, or change at any time, specifications or designs without notice and without incurring obligations.Catalog No. 04-53390017-01 Printed in U.S.A. Form 39CC-1SI Pg 1 1-15 Replaces: NewInstallation, Start-Up and Service InstructionsCONTENTSPageSAFETY CONSIDERATIONS . . . . . . . . . . . . . . . . . . . . . . . 1INTRODUCTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2PREINSTALLATION. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2,3Receiving and Inspection . . . . . . . . . . . . . . . . . . . . . . . . . . 2Storage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2Rigging . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2• SPLIT UNITSClearance Requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . 3INSTALLATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-6Air Handler Unit Pad . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3Ceiling Suspended Units. . . . . . . . . . . . . . . . . . . . . . . . . . . 3Roof Curb . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3Duct/Weather Hood Installation . . . . . . . . . . . . . . . . . . . . 4Electrical Connections. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4Coils . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4Reassembly of Split Units . . . . . . . . . . . . . . . . . . . . . . . . . 4Reassembly of Stacked Unit Horizontal Splits. . . . . . 5Trapping Drains. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5Connecting Ducts. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5Connecting Rain Hoods. . . . . . . . . . . . . . . . . . . . . . . . . . . . 5Electrical Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5START-UP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6Preliminary Inspection . . . . . . . . . . . . . . . . . . . . . . . . . . . 6Fan Start-Up . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6SERVICE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-9Monthly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6• RECOMMENDED GREASEEvery Six Months . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7• BELT TENSIONING METHODYearly. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .8INSTALLATION AND STORAGE CHECKLIST . . . 10,11SAFETY CONSIDERATIONSAir-handling equipment is designed to provide safe and reli-able service when operated within design specifications. Toavoid injury to personnel and damage to equipment or propertywhen operating this equipment, use good judgment and followsafe practices as outlined below.DANGERNEVER enter an enclosed fan cabinet or reach into a unitwhile the fan is running.LOCK OPEN AND TAG the fan motor power disconnectswitch before working on a fan. Take fuses with you andnote removal on tag. Electric shock can cause personalinjury or death.LOCK OPEN AND TAG the electric heat coil power dis-connect switch before working on or near heaters.Failure to follow these warnings could lead to personalinjury or death.WARNINGCHECK the assembly and component weights to besure that the rigging equipment can handle them safely.Note also, the centers of gravity and any specific rigginginstructions.CHECK for adequate ventilation so that fumes will notmigrate through ductwork to occupied spaces when weld-ing or cutting inside air-handling unit cabinet or plenum.WHEN STEAM CLEANING COILS be sure that the areais clear of personnel.DO NOT attempt to handle access covers and removablepanels on outdoor units when winds are strong or gustinguntil you have sufficient help to control them. Make surepanels are properly secured while repairs are being made toa unit.DO NOT remove access panel fasteners until fan is com-pletely stopped. Pressure developed by a moving fan cancause excessive force against the panel which can injurepersonnel.DO NOT work on dampers until their operators aredisconnected.BE SURE that fans are properly grounded before workingon them.Failure to follow these warnings could result in personalinjury or equipment damage.CAUTIONSECURE drive sheaves with a rope or strap before work-ing on a fan to ensure that rotor cannot free-wheel.DO NOT restore power to unit until all temporary walk-ways inside components have been removed.NEVER pressurize equipment in excess of specified testpressures.PROTECT adjacent flammable material when welding orflame cutting. Use sheet metal or asbestos cloth to containsparks. Have a fire extinguisher at hand and ready forimmediate use.Failure to follow these warnings could result in personalinjury or equipment damage.39CCN,CCWIndoor and OutdoorCustom Air Handlers