Carrier DesertMaster 50TJM - Default Chapter; Table of Contents

Table of Contents
1.0 – SAFETY CONSIDERATIONS ....................................................................................................... 3
1.1 – General ............................................................................................................................. 3
1.2 – Installation Safety Considerations ..................................................................................... 3
1.3 – Warranty ............................................................................................................................ 3
Physical Data ......................................................................................................................................... 5
Unit Dimensional Drawing.............................................................................................................. 6 – 7
2.0 – INSTALLATION ............................................................................................................................. 8
2.1 – Jobsite Survey ................................................................................................................... 8
2.2 – Plan for Unit Location ........................................................................................................ 8
2.3 – Rig and Place Unit ............................................................................................................ 8
2.4 – Positioning and Clearance ................................................................................................ 9
2.5 – Field Fabricate Ductwork .................................................................................................. 9
2.6 – Make Unit Duct Connections ............................................................................................ 9
2.7 – Trap Condensate Drain ................................................................................................... 10
2.8 – Outdoor Air-Vent ............................................................................................................. 10
2.9 – Make Electrical Connections ........................................................................................... 10
Electrical Data ..................................................................................................................................... 11
Electrical Resistance Heater Data ..................................................................................................... 12
Typical Wiring Schematic........................................................................................................... 13 – 14
3.0 – START–UP INSTRUCTIONS ...................................................................................................... 15
3.1 – Unit Preparation .............................................................................................................. 15
3.2 – Internal Wiring ................................................................................................................. 15
3.3 – Compressor Mounting ..................................................................................................... 15
3.4 – Refrigerant Service Ports ................................................................................................ 15
3.5 – Compressor Rotation ...................................................................................................... 15
3.6 – Evaporator Fan ............................................................................................................... 15
3.7 – Condenser Fans and Motors ..........................................................................................
16
3.8 – Return – Air Filters .......................................................................................................... 16
3.9 – Base Unit Operation ........................................................................................................ 16
4.0 – SERVICE ..................................................................................................................................... 16
4.1 – Cleaning .......................................................................................................................... 16
4.2 – Lubrication ....................................................................................................................... 16
4.3 – Evaporator Fan Performance Adjustment ...................................................................... 17
4.4 – Evaporator Fan Service and Replacement ..................................................................... 17
4.5 – Belt Tension Adjustment ................................................................................................. 18
4.6 – Condenser – Fan Adjustment ......................................................................................... 18
4.7 – Refrigerant Charge.......................................................................................................... 18
4.8 – Protective Devices .......................................................................................................... 18
4.9 – Control Circuit, 24 – V ..................................................................................................... 19
5.0 – REPLACEMENT PARTS ............................................................................................................ 19
Fan Performance Table .............................................................................................................. 20 – 23
Cooling Chart .............................................................................................................................. 24 – 25
Troubleshooting .................................................................................................................................. 26
Start–up Check List ............................................................................................................................ 27
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