Whisper Power M-SQ25 Installation Manual page 14

1500 rpm marine diesel generating set 230/400v / 50hz digital diesel control
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INSTALLATION
Acoustic alarm or warning lamp
One can connect an external max.150 mA relay to
generate an acoustic warning or applying a warning lamp
etc. Be aware of polarity as some relays has a diode
inside and should be connected plus to plus en minus to
minus as indicated. Refer to fig. 16.
Connection for emergency stop / fire alarm switch
To connect an emergency stop button or to stop the
generator automatically in case of a fire alarm, you can
use the bypass connection between fastons J7 and J18 on
the backside of the local control panel. See fig. 17. To do
so, remove this bypass connection and then replace it by
an emergency switch or a potential free fire alarm switch
with normally closed contacts
Normal operation
Alarm / emergency
Fig. 17 Connection for emergency stop / fire alarm switch
14
Remove bypass
between J7 - J18
local control panel
(rear view)
Automatic start/stop
WhisperPower cannot be held responsible
for damage caused by the unattended
running generator using the auto-
start/stop mode or interval mode.
Using the auto-start/stop (interval) mode the generator
can start unexpectedly. When working on the
electrical system, the 3 Amp fuse must be removed
from the control panel and the battery plus cable must
be removed from the battery.
The WhisperPower Digital Diesel Control system offers
several options for automatic starting and stopping.
Access to this menu and other menus could be blocked.
For blocking and setting up this options refer to the
APPENDIX of the DDC users manual.
One of these options is to monitor a second battery (not
being
the
starter
battery)
automatically when the voltage of this battery drops below
a certain setting.
Other names for this second battery are "auxiliary battery",
"service battery", "users battery" or "consumers battery".
We will refer to this battery as "the second battery" (BAT2).
In some menus the starter battery could be indicated as
"the first battery" (BAT1).
A sense wire to monitor the second battery should be
connected (attention polarity!) to the connector on the
back of the remote panel. Refer to fig. 16. The sense wires
must be connected directly on the second battery before a
main switch and be protected by a 3 Amps fuse.
(Monitoring the generator starter battery does not require
an extra sense connection)
Settings
When one want to apply other settings than the factory
settings refer to the DDC users manual, especially to the
APPENDIX.
to
start
the
generator
Oktober 2010 / M-SQ25 / EN

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