INSTALLATION
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Copyright © 2008 Mastervolt / November 2008 / WHISPER 30 ULTRA / US
3
OTHER RECOMMENDATIONS AND WARNINGS
The battery should be secured for seagoing conditions and
the terminals should be insulated. For extra safety the
battery can be enclosed in a wooden, plastic, fiberglas etc.
(non metal) box. Even when the earth return system is
applied a negative battery cable should be used and the
vessel should not to be used as a conductor.
The battery cables are supplied in a standard length of 5
ft. (1.5 m); if longer cables are required a larger cross
sectional area should be considered to compensate for
voltage reduction.
When two batteries are used in series to
provide a 24 Volt supply system, never take
off 12 Volt (starting) power from one of these
batteries. This will result in severe damage to
both batteries within a short time.
Disconnect the battery leads if electrical welding is to be
carried out, otherwise damage will be caused to the diodes
of the alternator.
As explosive hydrogen gases are discharged
during charging, the battery should be located
in a well ventilated room. Ensure that the
supplied battery cable connectors are properly
fitted and never remove during or shortly after
charging as sparking can occur, which may
ignite the hydrogen gasses.
1.5.5
AC power system
The electric power supplied by the generator
is of a high voltage and dangerous to people.
Before working (installation) on the system
read the sections on safety in the users
manual.
Be sure that all electrical installations (including all safety
systems) comply with all required regulations of the local
authorities. All electrical safety/shutdown and circuit
breaking systems have to be installed onboard as the
generating set itself cannot be equipped with such
equipment for every possible variation.
The vessel’s power supply system should be suitable and
safe for the AC voltage which is applied and the power
that will be generated. Special attention has to be paid on
dividing the system in branches which are fused
individually.
It is absolutely essential that each and every circuit in the
on-board electrical system is properly installed by a
qualified electrician.
The Whisper 30 ULTRA can be connected in the following
ways:
- As a 120/240Volt split phase generator by an
arrangement of the wiring in double DELTA.
-
As a 3 x 120V/208 Volt three phase generator when
the wires are arranged in double STAR. Here, 3x 208
Volt is available between the phases while 120 Volt is
available between every phase and neutral.
See chapter 3 for connection of the AC-terminals. With all
applications the installation should be laid out in such a
way that there is a reasonable balance of load between
the different phases.
