York R-407C manual Table of Contents

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	TABLE OF CONTENTS
		PAGE
Nomenclature		3
Introduction		4
Physical Data		7
Application Data		9
Cooling Performance Data		12
Fan Performance		20
Electrical Data		24
Controls		26
Power Wiring		31
Field Control Wiring		34
General Arrangement Drawing		35
Curb Layout Drawing		37
Mechanical Specifications		38
TABLES
1	Physical Data	7
2	Cooling Performance Data – 50 Ton Model	12
3	Cooling Performance Data – 55 Ton Model	14
4	Cooling Performance Data – 60 Ton Model	16
5	Cooling Performance Data – 65 Ton Model	18
6	50 Through 65 Ton Supply Fan Data	20
7	50 Through 65 Ton Exhaust Fan Data	21
8	Component Static Pressure Drops	22
9	Compressors	24
10	Supply and Exhaust Fan Motor Electrical Data	25
11	Condenser Fan Motors	25
12	Controls and Convenience Outlet	25

2	YORK INTERNATIONAL

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Contents Packaged Rooftop Air Conditioning Units 407C Optimized Through 65 TonsTable of Contents Nomenclature Basic Model NumberEcological and Economical Design FEATURES/BENEFITSIntroduction Reliable Scroll Compressor Technology ServiceabilityInstall with Ease and Safety Introduction Physical Data Physical DataPhysical Data Cont’d Rigging Application DataLocation EconomizerRoof Curb Harsh Environments Condenser and Evaporator Coil ProtectionBuilding Exhaust Systems Given Selection ProcedureAcoustical Considerations Select UnitCooling Performance Data 50 Ton Model Cooling Performance Data 50 TON ModelCooling Performance Data 50 TON Model CONT’D Cooling Performance Data 55 Ton Model Cooling Performance Data 55 TON ModelCooling Performance Data 55 TON Model CONT’D Cooling Performance Data 60 Ton Model Cooling Performance Data 60 TON ModelCooling Performance Data 60 TON Model CONT’D Cooling Performance Data 65 Ton Model Cooling Performance Data 65 TON ModelCooling Performance Data 65 TON Model CONT’D 50 Through 65 TON Supply FAN Data CONT’D Fan Performance50 Through 65 TON Supply FAN Data 50 Through 65 TON Exhaust FAN Data Component Static Pressure Drops Inches of Water Column Filters Economizer Economizer Dampers Rigid Filter Manual or Load Definitions Electrical Service SizingElectrical Data CompressorsPremium Efficiency Supply and Exhaust FAN Motor ODP or TefcHigh Efficiency Condenser FAN Motors / EachControl Sequences for ALL Units Unoccupied / Occupied SwitchingControls GeneralVentilation Control Sequences Exhaust Control SequencesLOW Ambient Operation Smoke Purge SequencesVAV Specific Sequences Cooling OperationCooling Operation Thermostat Control Stand Alone ControlCV Specific Sequences Stage 1 Y1 CallPower Wiring SINGLE-POINT Power Supply WiringSINGLE-POINT Power Supply Wiring With NON-FUSED Disconnect SINGLE-POINT Power Supply Wiring with NON-FUSED DisconnectDUAL-POINT Power Supply Wiring DUAL-POINT Power Supply WiringField Control Wiring Field Control WiringBottom Supply Bottom Return General ArrangementDrawing Left or Right Rear Return Supply General Arrangement DrawingCurb Layout Drawing Curb Layout DrawingSupply AIR System Guide SpecificationsConstruction Bearings and DrivesAIR Inlet System Power SupplyAIR Filtering System Refrigeration SystemEconomizers Accessories and OptionsControls Condenser Coil Protection Relief SystemEvaporator Coil Protection Suction and Discharge Pressure Transducers moniYork International York International Proud Sponsor Olympic Team