
Introduction
1
851-160571 / B
Installation document
This installation manual will act as an installation document for
later updating and service on the sonar, and must therefore be
stored on board the vessel into which the equipment is to be
installed.
To ensure the best possible result of the installation, it is
important that each procedure is carefully followed. Each listed
procedure comprises squares for ticking off while proceeding in
the procedure. In addition to be a sign that the procedure is
followed, this will also be a good guidance for the installer.
Note that the installer becomes fully responsible for the
equipment during the installation, and that the guarantee only is
covered when the installation is made in full accordance with
this installation manual.
Overview
General
The Simrad SP 270 Sonar system is delivered without a dome
system. The Hull Unit uses a Simrad SQ4 installation trunk. The
SP 270 can therefore easily be mounted in an old SQ4 or SR
240 trunk. Note that the trunk is not included in the standard
delivery. This trunk may be made by the shipyard, or be
delivered from Simrad as an option (see chapter 2.3 “Options”).
The optional trunk which is approved by Det norske Veritas
(DnV) also includes a blind cover and a gasket.
The drawings of the trunk and blind cover are included in
section “Drawings”.
Sonar trunk drawing no. 830--113361.....................
Blind cover drawing no. 830--113362......................
Main units
The standard SP 270 Sonar system comprises the following
main units:
Simrad SP 270 Sonar Control Unit SP2--113106...........
Simrad SP 270 Transceiver Unit SP2--113107..............
Simrad SP 270 Hull Unit SP2--113108....................
Note
The Sonar Control Unit can also be delivered without the
internal display. In such case, the electronic drawer is delivered
in a separate box with connection to an external display.
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