Table Of Contents - Carrier DesertMaster 50TJM Operation And Maintenance

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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