Carrier 50TCM Series Installation, Operation And Maintenance Manual

Contents

Table of Contents1.0 – SAFETY CONSIDERATIONS ............................................................................................................................. 31.1 – General ................................................................................................................................................... 31.2 – Installation Safety Considerations .......................................................................................................... 31.3 – Warranty ................................................................................................................................................. 3Unit Physical Data ...................................................................................................................................................... 5Unit Dimensional Drawing ......................................................................................................................................... 62.0 – INSTALLATION ................................................................................................................................................ 122.1 – Jobsite Survey ...................................................................................................................................... 122.2 – Plan for Unit Location ........................................................................................................................... 122.3 – Inspect Unit ........................................................................................................................................... 122.4 – Rig and Place Unit ................................................................................................................................ 122.5 – Positioning and Clearance .................................................................................................................... 132.6 – Field Fabricate Ductwork ...................................................................................................................... 142.7 – Make Unit Duct Connections ................................................................................................................ 142.8 – Trap Condensate Drain ........................................................................................................................ 142.9 – Make Electrical Connections ................................................................................................................ 143.0 – START–UP INSTRUCTIONS ............................................................................................................................ 173.1 – Unit Preparation .................................................................................................................................... 173.2 – Internal Wiring....................................................................................................................................... 173.3 – Compressor Mounting .......................................................................................................................... 173.4 – Refrigerant Service Ports ..................................................................................................................... 173.5 – Compressor Rotation ............................................................................................................................ 173.6 – Evaporator Fan ..................................................................................................................................... 173.7 – Condenser Fans and Motors ................................................................................................................ 173.8 – Return – Air Filters ................................................................................................................................ 173.9 – Base Unit Operation ............................................................................................................................. 174.0 – SERVICE ........................................................................................................................................................... 184.1 – Cleaning ................................................................................................................................................ 184.2 – Lubrication ............................................................................................................................................ 184.3 – Evaporator Fan Performance Adjustment ............................................................................................ 194.4 – Evaporator Fan Service and Replacement........................................................................................... 194.5 – Belt Tension Adjustment ....................................................................................................................... 204.6 – Condenser – Fan Adjustment ............................................................................................................... 204.7 – Refrigerant Charge ............................................................................................................................... 204.8 – Protective Devices ................................................................................................................................ 214.9 – Control Circuit, 24 – V........................................................................................................................... 215.0 – REPLACEMENT PARTS .................................................................................................................................. 21Electrical Data ........................................................................................................................................................... 22Typical Wiring Schematic ........................................................................................................................................ 24Fan Performance ...................................................................................................................................................... 29Cooling Chart ............................................................................................................................................................ 32R-410A Refrigerant Quick Reference Guide .......................................................................................................... 37Troubleshooting........................................................................................................................................................ 38Start–up Check List .................................................................................................................................................. 39Page 2