Carrier - 38AKS028-044

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Contents

38AKS028 044 Air Cooled Condensing Units 50 60 Hz COMMERCIAL UNITARY SYSTEMS Installation Start Up and Service Instructions CONTENTS Page SAFETY CONSIDERATIONS 1 BEFORE INSTALLATION 1 3 Rigging 1 Placing Unit 3 Mounting Unit 3 Compressor Mounting 3 INSTALLATION 3 12 Refrigerant Piping Connections 3 Liquid Line Solenoid Drop Control 3 Filter Drier and Moisture Indicator 3 Receiver 4 Piping Procedure 4 Power Supply 6 Power Wiring 6 START UP 13 17 Initial Check 13 Leak Test and Dehydration 13 Preliminary Charge 13 Start Unit 13 Charge System 13 Operation 13 Control Module CM 13 Bypass Relay BPR 17 Time Delay Relay TDR 17 Sequence of Operation 17 Complete Unit Stoppage 17 ...