Installation procedure, helm Y-connector location The T-connnector is used to form a branch in the EVC standard bus cable when there are several helm stations (HCUs) in the system. Also please refer to the Building a network, requirements chapter.
Key switch and relay for external accessories IMPORTANT! There must always be one key switch to operate each engine. The key switch shall be connected to the main helm station. On additional helm stations start/stop panels should be used . ∅=32.1 mm (1.26")
Part No.
6.0 mm (0.24")
IMPORTANT! The Y-connector must always be connected directly to the PCU (X2) or the HCU (X2) without using any extension cables.
R=18 mm (0.71")
Locate a dry, suitable place for the switch and make a hole according to the drawing.
Part No. Y-connector
Figure shows the Y-connector fitted to a HCU.
Fix the adhesive label.
1 mm (0.04")
The switch fits to 2 mm (0,08”) panel. If the switch is installed in a thicker panel the switch housing can be trimmed by up to 10 mm (0,4”), 1 mm (0,04”) between each flute.
39
