
5.2 ACU Installation
Mounting the ACU-100, ACU-150
Ensure that the chosen location meets the product’s
location requirements, see
for details.
Important:
The installation must only be performed with
the vessel either on a hard standing, or tied-up
alongside a pontoon or berth.
1. Using an appropriate screwdriver, undo the
screws located on the top cover and remove the
top cover from the ACU.
Once the cover is removed, the unit’s mounting
holes are accessible.
2. Mount the ACU in an appropriate location and
secure to the mounting surface using the supplied
screws.
You should also mount the autopilot control head
and rudder reference unit (if appropriate) at this
time.
3. To access the screw terminals for connecting the
cables to the ACU, remove the screw terminal
connectors from the sockets, as shown in the
following illustration:
4. Insert the relevant wires from the SeaTalk
ng
spur cable into the SeaTalk
ng
screw terminals,
as shown in the illustration above. Tighten
the screws to secure the wires. Repeat for all
required connections.
5. Push the screw terminals back into the connector
panel, ensuring a tight connection.
6. Route the cables through the cable guides
located on the lower lip of the unit.
Raymarine recommends that you use cable ties
to secure the cables to the unit.
7. Once all connections are made and the cables
correctly routed in the guides, replace the ACU
cover, ensuring a tight fit between the cover’s
rubber seal and the cables.
8. Using the supplied screws, secure the cover to
the unit, ensuring that the clips are aligned and
secured (along with an audible click):
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