Table of Contents

START-UP

INSTALLATION

MAINTENANCE

LIST OF FIGURES

LIST OF TABLES

OPERATION

090 = 7-1/2 Ton

120 = 10 Ton

2	Unitary Products Group

Image 2

Contents

Inspection SPLIT-SYSTEM Heat Pumps Outdoor Units Installation ManualGeneral Reference Table of Contents Location InstallationLimitations Rigging and Handling Clearances Power and Control WiringCompressors Compressor Crankcase Heater General Guidelines Wire SizingRefrigerant Piping Unit Dimensions and Clearances 7-1/2 & 10 TON Field Piping Diagrams Line Sizing Extending the Service Ports InstallationService Valves Evacuating and Charging Balance Point Setting Extending the Service Ports Refrigerant Flow Diagram Curve EFB090 Charging Curve EFB120 Heating Operation OperationCooling Operation Operation below 0F Outdoor Temperature START-UP MaintenanceSafety Features Crankcase Heater PRE-START Check

York E2FB120, E3FB090 installation manual Table of Contents