Daikin RDT Installation And Maintenance Manual

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Contents

Daikin RDT Installation And Maintenance Manual Manual pdf 2 page image

IM 893-10 • ROOFPAK SINGLEZONE UNITS 2 www.DaikinApplied.comTable of ConTenTsTable of ConTenTsIntroduction 3Unit Nameplate . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3Compressor Nameplate . . . . . . . . . . . . . . . . . . . . . 3Gas Burner Nameplate . . . . . . . . . . . . . . . . . . . . . . 3Hazard Identification Information . . . . . . . . . . . . . . 3Unit Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4Refrigeration Piping . . . . . . . . . . . . . . . . . . . . . . . . 6Control Locations . . . . . . . . . . . . . . . . . . . . . . . . . . 7Control Panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8Controls, Settings and Functions . . . . . . . . . . . . . . 15FanTrol . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16Condenser Fan Arrangement . . . . . . . . . . . . . . . . 18Mechanical Installation 19Receiving Inspection . . . . . . . . . . . . . . . . . . . . . . . 19Unit Clearances . . . . . . . . . . . . . . . . . . . . . . . . . . . 19Roof Curb Assembly and Installation . . . . . . . . . . 21Post and Rail Mounting . . . . . . . . . . . . . . . . . . . . . 24Rigging and Handling. . . . . . . . . . . . . . . . . . . . . . . 24Charging the System . . . . . . . . . . . . . . . . . . . . . . 33Unit Piping . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35Damper Assemblies . . . . . . . . . . . . . . . . . . . . . . . 37Cabinet Weather Protection . . . . . . . . . . . . . . . . . 39Installing Ductwork . . . . . . . . . . . . . . . . . . . . . . . . 39Electrical Installation 42Field Power Wiring . . . . . . . . . . . . . . . . . . . . . . . . 42Preparing Unit for Operation 46Preparing Unit for Operation . . . . . . . . . . . . . . . . . 46Sequences of Operation 49MicroTech III Controller Operation 51Using the Keypad/Display . . . . . . . . . . . . . . . . . . . 51Wiring Diagrams 53Unit Options 75Control Actuators . . . . . . . . . . . . . . . . . . . . . . . . . . 75Modulating Hot Gas Reheat . . . . . . . . . . . . . . . . . 77Smoke and Fire Protection . . . . . . . . . . . . . . . . . . 80Field Output Signals . . . . . . . . . . . . . . . . . . . . . . . 82DesignFlow™ Outdoor Air Damper Option . . . . . . 86Propeller Exhaust Fan Option . . . . . . . . . . . . . . . . 89Ultraviolet Lights Option . . . . . . . . . . . . . . . . . . . . 92MicroTech III Remote User Interface . . . . . . . . . . 94VFD Compressor Operation . . . . . . . . . . . . . . . . . 96Variable Speed Scroll Compressor . . . . . . . . . . . 101Check, Test, and Start 104Economizer Start-up . . . . . . . . . . . . . . . . . . . . . . 105Compressor Startup . . . . . . . . . . . . . . . . . . . . . . 106Heating System Startup . . . . . . . . . . . . . . . . . . . 108Air Balancing . . . . . . . . . . . . . . . . . . . . . . . . . . . . 108Drive Belt Alignments. . . . . . . . . . . . . . . . . . . . . . 109Final Control Settings 113Keypad/Display Menu Structure 114Maintenance 127Servicing Control Panel Components . . . . . . . . . 127Planned Maintenance . . . . . . . . . . . . . . . . . . . . . 127Unit Storage . . . . . . . . . . . . . . . . . . . . . . . . . . . . 128Scroll Compressor Piping . . . . . . . . . . . . . . . . . . 134Refrigerant Charge . . . . . . . . . . . . . . . . . . . . . . . 136Control Panel Components . . . . . . . . . . . . . . . . . 139Replacement Parts List 144Service and Warranty Procedure 145Limited Product Warranty 147Rooftop Equipment Warranty Registration Form 148Quality Assurance Survey Report 151