T1216W-C
MARINEW-P-I
1
11/12
PAGE 18 of 39
circuits. At the panel end, measure the
resistance across the positive & negative ends
of the cables for each of the circuits; ensuring
the value does not exceed 20
. Remember to
remove the wire links after the tests.
Correct polarity throughout all circuits must be
maintained. Check and rectify any faults.
4. All sounders, detector heads and call points
should now be connected and the correct end-
of-line devices fitted. Use the spare end-of-line
devices supplied and leave the EOL devices in
the panel terminals at this stage. Remember to
remove any links fitted to detector bases. Be
very careful to maintain correct polarity at each
device.
Warning:
Intrinsically safe zone arrangement:
1. Ensure that the installation has been carried out
in
full
accordance
with
the
installation
documentation provided with the I.S. devices
and I.S. barrier. Failure to carry out the
installation correctly is likely to render the
system unsafe and risks causing an explosion.
2. End-of-line resistors with a value of 10K
must
be used. Additionally, these resistors must also
comply with the requirements laid down in the
installation data sheets provided with the I.S.
barrier and the I.S. fire detection devices.
3. Any zones used for I.S. applications must be
configured to Intrinsically Safe mode. [Except for
mixed I.S./Non-I.S. zones as detailed below].
4. Recommended I.S. barrier - MTL5061/MTL5561
[galvanic type].
5. Mixed I.S and Non-I.S. Zones:
Where the Safety System Documentation
allows, zones can contain I.S. and Non I.S.
devices. The requirements of the Safety
Documentation must be applied and the number
of I.S. devices must be limited to 3 in total.
The I.S. devices must be located at the end of
the zone with the I.S. barrier located in an
adjacent safe area. All of the non-I.S. devices
must be connected in the zone wiring between
the barrier and the panel. The I.S devices
should be connected between the I.S. barrier
and the end of line.
The zone must be configured to the non-I.S.
mode [This simply sets the operating detection
thresholds and is not a safety issue].
The non-I.S. section [safe side - between the
panel and the I.S. barrier] will support full open
and
short
circuit
fault
monitoring
and
detector/MCPs fire event discrimination. The I.S.
section (hazardous side - between the IS barrier
and the end of line resistor) will support open
circuit fault monitoring only - short circuit fault
will raise a detector fire. It will not support
detector/MCP discrimination; all devices will
raise a detector fire indication.
Intrinsically Safe alarm devices [sounders] may be
connected via an MTL 5021 or MTL5521 galvanic
isolator. There are no requirements for configuring
the panel’s sounder outputs.
Note: Galvanic
isolators prevent fault monitoring of the
sounder circuit. Any cable fault between the
isolator and I.S. sounders will not be detected
.
The 3k9 end of line monitoring resistor should be
connected across the barrier terminals 11 and 12
[i.e. in parallel with the sounder circuit input to the
safe area terminals on the IS barrier]. The
installation requirements supplied with the I.S.
barrier and the I.S. sounders must be fully
observed.
6.5
Powering up
Prior to powering up, the panel will have been
installed in accordance with the installation
instructions, all cabling will have been fully installed
and tested, glanded into the panel enclosure but
not connected to the panel terminals. The mains
supply should be isolated externally to the panel.
The interface connections to the WMRCP should
be isolated prior to powering up the T1216W-C.
1. Connect the 9V battery lead to J4 on the rear of
the display PCB.
2. Connect the buzzer lead to J6. The buzzer will
sound.
3. Check the 24V battery connections are correct.
4. Check the Fault Routing Output configuration
link (3-way link at J6, J7, J8) has been removed.
[Link located on the C1627 motherboard directly
below the Fault Signal relay].
5. Final battery connections:
Fit the connector on the end of the black lead
onto the negative (black) terminal of the left-
hand battery. Fit the connector on the end of
the red lead onto the positive (red) terminal of
the right-hand battery.
Connect the blue battery lead between the
positive (red) terminal of the left-hand battery
and the negative (black) terminal of the right-
hand battery.
Warning: Connection of the batteries will
power up the panel even if the mains
supply is not energised.
6. Ensure the mains supply is safely isolated
external to the panel. Remove the mains supply
fuse from the panel mains terminal block. Once
the permit to energise the mains supply is in
place, energise the mains. At the mains terminal
block in the panel, check the voltage and polarity
are correct. Isolate the mains supply again
before replacing the panel fuse and finally re-
energising.
