Note: The system must include a least one Fire Point in order to
generate an audible alarm. Where a system comprises Detectors only,
no audible alert will be transmitted on site.
3- Add units to an existing site group
Take a WES+ unit which is part of the existing site group and an
un-paired, activated WES+ unit.
Press and hold A on two units, the amber LEDs will illuminate followed
by the green LEDs to indicate successful pairing.
Release the ‘A’ buttons.
The activated unit has now been added to the existing site group and
can communicate with all other WES+ units on that site group.
If the red LED illuminates, pairing has failed. Follow the ‘Removing a
unit from the site’ section to clear the two units and then repeat step
1 - Activate Units.
4– Position units
Once activated and paired, WES+ units can be installed on site.
Ensure any applicable national guidelines or Standards regarding
locating units on site are adhered to e.g. BS5389-1 in the UK.
Wherever possible, avoid positioning the unit directly adjacent to metal
frames, electric cables and similar equipment that may interfere with
the signal strength.
5– Securely x the units in place
Each WES+ unit must be securely xed in place to ensure correct
operation.
• Detector units are ceiling mounted and intended for indoor use
only. Installation of detectors may involve working at height and
or on elevated platforms. Ensure a risk assessment has been
carried out and all reasonable safety precautions are in place
before commencing work.
• Fire points must be securely xed, with the antenna upright,
to a robust vertical surface such as a wall or trolley. Where the
existing surface is unsuitable for direct xing, the Fire Point can
be mounted to backing board or pattressing such as plywood or
similar sheet material.
Each unit should be securely mounted using its two integrated
mounting points with M4 x 50mm pan head screws and wall plugs or
other xings selected for the particular wall or ceiling type. Ensure that
all xing points are secure and that the back tamper is fully depressed
after installation.
Note: WES+ units must be securely xed in place for correct operation
The tamper switch on the rear of the unit must be in contact with the
wall or ceiling.
6– Test the system
After installation of the units, it is essential to perform a silent alarm
test to conrm proper operation of the system. It is also best practice
to conduct a full Silent Test on a weekly basis. This test should also
be performed following any signicant change to the site environment
(new structure, wall or construction equipment installed) that may affect
the network signal.
To perform the test:
1. Go to any unit in the system
2. Check it is ashing its Green LED at the rate of once every 4
seconds
3. Press and hold B until the Amber LED illuminates, then release B
.
4. Check that the Green LED is now on.
5. Walk the site and conrm that the green LED is lit on every
installed WES+ unit.
6. A ashing Green LED means the unit has failed the test.
7. Units ashing Red then Amber and units still occasionally ashing
the green LED have failed the test. Refer to ‘Fault LED
Indication’ section to troubleshoot the problem.
8. At the end of the test, press and hold the B button on any WES+
unit to end the test.
Note : Following initial installation, wait for a minimum of 60 minutes
before starting the rst silent test. During this time, the WES+ units will
self-calibrate to adjust for background radio noise which may impact
the accuracy of the silent test.
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