Roof-top air-conditioning system CC8 Contents
I
Contents
1 Introduction
1.1 Scope and purpose................................................................................................................................ 101
1.2 Meaning of Warnings, Cautions and Notes ........................................................................................... 101
1.3 Additional documentation required ........................................................................................................ 101
1.4 Safety information and regulations ........................................................................................................ 101
1.5 Certification............................................................................................................................................ 102
1.6 Corrections and improvements.............................................................................................................. 102
2 General description
2.1 Roof-top unit .......................................................................................................................................... 202
2.2 Air distribution panel (standard)............................................................................................................. 203
2.3 Air ducting system ................................................................................................................................. 204
2.4 Compressor ........................................................................................................................................... 205
2.5 Electrical system.................................................................................................................................... 205
2.6 Principle of operation of the roof-top air-conditioning system................................................................ 205
2.7 Design, purpose and principle of operation of the assemblies .............................................................. 207
2.7.1 Condenser................................................................................................................................. 207
2.7.2 Receiver-drier............................................................................................................................ 207
2.7.3 Thermal expansion valve........................................................................................................... 207
2.7.4 Evaporator................................................................................................................................. 207
2.7.5 Pressure switch ......................................................................................................................... 207
2.7.6 Anti-icing thermostat.................................................................................................................. 207
2.7.7 Axial fans................................................................................................................................... 208
2.7.8 Radial fans................................................................................................................................. 208
2.7.9 Compressor .............................................................................................................................. 208
2.7.10 Electronic room thermostat (optional)........................................................................................ 208
2.7.11 Fresh air ventilation flap (optional) ............................................................................................ 208
2.7.12 Circulating air filter (optional)..................................................................................................... 208
3 Technical data
3.1 Air-conditioning system.......................................................................................................................... 301
3.2 Electrical fuses....................................................................................................................................... 301
3.3 Compressor .......................................................................................................................................... 302
4 Installation instructions
4.1 Safety precautions................................................................................................................................. 401
4.2 Standard installation kit.......................................................................................................................... 401
4.3 Locally manufactured items not included in standard installation kit ..................................................... 401
4.4 Vehicle-specific parts not included in standard installation kit and to be procured locally..................... 402
4.5 Installation kits – air ducting system ...................................................................................................... 402
4.5.1 Installation kit, air ducting system............................................................................................... 402
4.5.2 Extension kit, air ducting system ................................................................................................ 402
4.5.3 Installation kit, air distribution panel (without air ducting system)............................................... 402
4.6 Required equipment, special tools and accessories.............................................................................. 403
4.7 Preparations on vehicle / cabin roof ...................................................................................................... 403
4.8 Manufacture / procurement of compressor mounting bracket ............................................................... 406
4.9 Manufacture of hoses ............................................................................................................................ 408
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