2. Installation
JCX-161 BNWAS Installation Manual
16
7ZPNA4321
2 Installation
2.1 Guidelines for BNWAS Installation
Guidelines for BNWAS Installation is shown below.
Moreover, refer to "1.5 Connection Diagram" and “3.1 Interconnection wiring” for the example of
installation.
[Guidelines for BNWAS Installation]
(Example: case of Class NK)
(1) Reset devices:
(i) At least one reset device should be provided near each conning position in the
wheelhouse(W/H).
More reset devices may be provided to the workstations for navigation, manoeuvering
and monitoring in order for safe and effective operation, if desired.
A reset function may be initiated by motion sensors and navigational equipment such as
radar, auto-pilot, ECDIS, INS, etc.
(ii) One reset device should be provided to each bridge wing.
Where it is easy to reset a first stage alarm by a reset device located nearby in the
wheelhouse(W/H), reset devices are not required to be fitted at bridge wings.
(2) Visual indicators and First stage audible alarms
(i) A visual indicator and first stage audible alarm are to be provided in the wheelhouse(W/H).
When they are combined with a reset device, individual visual indicators and first stage
alarms are not required.
(ii) A visual indicator and first stage audible alarm are to be provided in the bridge wings.
Where a reset device is not provided in the case of 1(ii) above, the following functions
are required:
- Flashing indicator in the wheelhouse(W/H) should be visible from an operational position on
the bridge wing; and
- First audible alarm in the wheelhouse(W/H) should be audible from an operational position
on the bridge wing.
(3) Second stage audible alarms and Third stage audible alarms
(i) Second stage audible alarms should be located in the Captain's bedroom and Deck
officer's cabins.
In cases where there are three deck officers on board, one deck officer for duty may be
selected from the main panel and the alarm in the Captain's bedroom may be changed to
a third stage one.
(ii) Third stage alarms should be located in the Officer's Mess room, Saloon, Recreation
room and Ship's office.
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