Carrier - 38AU

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Contents

38AU Air Cooled Condensing Units 60 Hz With Puron R 410A Refrigerant Sizes 16 25 Installation Start Up and Service instructions CONTENTS SAFETY CONSIDERATIONS 2 INSTALLATION GUIDELINES 2 Replacement Retrofit R 22 to Puron 2 INSTALLATION 11 22 Jobsite Survey 11 Step 1 Plan for Unit Location 11 Step 2 Complete Pre Installation Checks 11 Step 3 Prepare Unit Mounting Support 12 Step 4 Rig and Mount the Unit 12 Step 5 Complete Refrigerant Piping Connections 12 Step 6 Install Accessories 17 Step 7 Complete Electrical Connections 18 PRE START UP 23 System Check 23 Turn On Crankcase Heater 23 Preliminary Charge 23 START UP 23 31 Preliminary Checks 23 Start Unit 24 OPERATING SEOUENCE 32 Indoor ...