Retro-Fitting; Electrical System; Main Switch; Battery Hook-Up And Placement - Terhi 4110 Owner's Manual

WARNING! The bilge pump is not designed to
cope with leaks caused by running aground or
other accidents.

2.10 Retro-fitting

In order to attach Terhi's own accessories, the
sandwich construction comprises plywood sup-
port pieces under the shell in the attachment
points. If you wish to fit other accessories, please
observe the following instructions: Drill a hole in
the shell (e.g. an Ø2mm hole for an Ø4.8mm
screw) and wipe the surfaces. Add MS Polymer
sealing adhesive on the piece and fasten it with
acid proof screws. Do not over-tighten.

3.1 Main switch

A main electrical isolator switch is standard on Terhi
4110, Terhi Nordic 6020 C (with steering console)
and Terhi 475 models. On the 475 the main switch
is located under the rear seat. The Terhi 4110 and
Terhi Nordic 6020 C boats have their main switch
on the steering console.
The electrical system of Terhi boats is switched
on when the key is turned in a clockwise direc-
tion and locked in position. The key is then in an
upright position.
When leaving your boat idle for a longer pe-
riod, use the main switch to cut the electric cur-
rent. Also switch off the current when carrying out
electrical work.
If the main switch is retro-fitted, it should be
placed in an accessible location as close to the
battery as is practically possible.
Do not modify the boat's electrical system or
its drawings. Modifications and servicing should
be left to a skilled professional in boat electrical
systems.
WARNING! Never use the main switch to cut the
current when the engine is running.
Terhi - Owner's manual

3 Electrical system

7
NOTE! The method described above is only suit-
able for attaching light-weight components, such
as a log or depth finder.
In order to facilitate the drawing of the cables
from the engine to the steering console, there are
two drawstrings in the installation tube.

3.2 Battery hook-up and placement

Battery placement on Terhi boats are as follows:
Terhi Sea Fun and Terhi 400:
- Under rear seat (in battery housing or fitted
with terminal protectors)
Terhi 4110, Terhi Nordic 6020 C and Terhi 475:
- Inside the steering console
Terhi Nordic 6020 (without steering console):
- Under the rear seat in a space reserved for the
battery
The battery must be mounted securely in the
boat. This is best achieved using a fastening strap,
which is fixed by screws or pop rivets to the base
of the battery space. If the battery is located in
the same space as the fuel tank, it must be fitted
either with battery housing or terminal protectors.
Ensure that no electrically conductive items come
into contact with the battery's positive terminal.
The mountings of the cable lugs must not be de-
pendent on spring tension.
WARNING! Charge the battery only using the
engine or a battery charger. Charging at an exces-
sive current causes a risk of explosion.