Carrier - 38AUZ

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Contents

Installation Start Up and Service Instructions CONTENTS SAFETY CONSIDERATIONS 1 INSTALLATION GUIDELINES 2 INSTALLATION 7 13 Step 1 Plan for Unit Location 7 Step 2 Complete Pre Installation Checks 7 Step 3 Prepare Unit Mounting Support 7 Step 4 Rig and Mount the Unit 7 Step 5 Complete Refrigerant Piping Connections 7 Step 6 Install Accessories 9 Step 7 Complete Electrical Connections 9 PRE START UP 14 System Check 14 Turn On Crankcase Heater 14 Preliminary Charge 14 START UP 14 18 38AUZ Units 14 OPERATING SEQUENCE 18 Cooling 18 Heating 18 ROUTINE SYSTEM MAINTENANCE 18 Quarterly Inspection and 30 days after initial start 18 Seasonal Maintenance 18 SERVICE 19 23 Comfort Alert Diagnostic Module 19 21 C ...