PRODUCT OVERVIEW
38
JH Series Operation Manual
VESSEL CONTROL SYSTEM (VC20)
3/4JH common rail series engine is a fully electronic control engine, which is controlled by
YANMAR’s original “Vessel Control System (VC20)”.
The control equipment consists of the Switch Panel, the Display, the Drive & Helm ECU,
the Control Head and the Backup Panel, which are connected by the cable harness to the
engine and marine gear or Shift Actuator for remote control operation.
Note: The YANMAR Vessel Control System (VC20) was designed to operate the 3/4JH
common rail series and drive system. There are many control functions and diagnostic
functions that are integrated together to insure safe operation. If this system is not
utilized in specific accordance with the instructions in this manual or the system is
modified in any way, YANMAR will not be responsible for any warranty failures in the
operation of the system or the vessel utilizing the system.
YANMAR has designed the Vessel Control System (VC20) in conjunction with the
3/4JH common rail series. The system has many functions that must be configured
and calibrations must be made before the vessel can be operated. Please arrange
to have a YANMAR trained technician inspect the vessel prior to the vessels
operation.
Figure 15
Figure 30
To engine
Marine gear or
Shift Actuator
To engine
1
9
2
3
4
5
6
7
7
8
037618-12EN00
No.
Description
No
Description
1
Shift and Throttle Control Head
6
Drive ECU
2
Emergency Stop Switch (Option)
7
Backup Panel
*
3
Switch Panel (to start and stop the engine)
8
Cable Harness Set
4
Display
9
Adapter, Terminal
5
Helm ECU
* The backup panel has two design types.
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