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| Illustration 1 | g00648895 |
CCM Wiring Connections for Multiple Generator Sets Shield (A) should be grounded in one location only. The shield should be grounded as near to the negative battery terminal as possible. 5N-4988 Diode (B) is necessary only when multiple gensets are connected. Connections to the battery (C) should be made at the EMCP II (if equipped). Connections to the battery can be made at the 24 pin customer connector. The 24 pin customer connector is located on the bottom of the Electronic Instrument Panel (EIP). The 8D-8724 Fuse (2 amp) (D) should be placed in a fuse block. You will have electrical noise if the +B and -B lines are in the 4 wire shielded cable with the Cat data link cables. Use twisted pair wiring for the CDL+ and CDL- instead. (1) Junction box for Unit 2 (2) Junction box for Unit 1 (3) CCM | |
When multiple units are connected to the CCM, junction boxes must be installed. The junction boxes will allow any engine to be disconnected for service or maintenance without power interruption to the CCM and the other engines.