INSTALLATION
MANUAL
© Scania CV AB 2018, Sweden
03:01 Issue 11 en-GB 2
Introduction .............................................................................................................3
Changes from the previous issue......................................................................... 3
Different requirements ........................................................................................ 3
Grounding............................................................................................................ 3
Abbreviations ...................................................................................................... 3
Safety during electric welding............................................................................. 4
Batteries and alternators ........................................................................................4
Batteries............................................................................................................... 4
Connection of batteries........................................................................................ 5
Battery cables ...................................................................................................... 6
Battery master switch.......................................................................................... 7
Alternator charging for marine engines .............................................................. 8
Marine engines with split ground system............................................................ 8
Ground connection on gas engines...................................................................... 9
Electrical cables .....................................................................................................10
Routing cables ................................................................................................... 10
Calculating cable cross-section ......................................................................... 11
Splicing and repair ............................................................................................ 13
Connection to engine .............................................................................................14
Connection to engine without Scania base system............................................ 14
Current consumption of the electrical system ................................................... 15
Engine interface................................................................................................. 16
Pin numbering for harness-to-harness connectors ............................................ 20
Starting and shutdown procedure for gas engines............................................. 31
Connection of starter motor or alternator.......................................................... 33
Connection of coolant level monitor................................................................. 35
Connection of oil level sensor........................................................................... 39
Engine control unit................................................................................................41
Operating voltage .............................................................................................. 41
Protective ratings .............................................................................................. 41
Connection of limp home mode ....................................................................... 42
Engine running signal....................................................................................... 43
Connecting auxiliary equipment ......................................................................... 44
Connection of the water separating prefilter on marine engines ...................... 44
Connecting fuel heaters for industrial engines with XPI.................................. 44
Installation of the supply connector for engine heater...................................... 45
Work description for harness-to-harness connectors........................................ 49
Harness-to-harness connector for engine interface........................................... 49
Harness-to-harness connector for engine control unit ...................................... 52
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