Ramtech WES3 User manual

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WES3 Interface
Manual
RAMTECHGLOBAL.COM

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Contents
Introduction .............................................................................................................................................................................................................................
WES3 Standard Interface ...................................................................................................................................................................................................
WES3 Water Interface .........................................................................................................................................................................................................
WES3 Medical Interface ......................................................................................................................................................................................................
WES3 Maintenance Interface ...........................................................................................................................................................................................
General Installation ..............................................................................................................................................................................................................
WES3 Standard Interface ...................................................................................................................................................................................................
LED Indications ......................................................................................................................................................................................................................
WES3 Water Interface .........................................................................................................................................................................................................
Installation recommendations ..........................................................................................................................................................................................
LED Indications ......................................................................................................................................................................................................................
Scenarios .................................................................................................................................................................................................................................
WES3 Medical Interface ......................................................................................................................................................................................................
LED Indications ......................................................................................................................................................................................................................
WES3 Maintenance Interface ............................................................................................................................................................................................
LED Indications ......................................................................................................................................................................................................................
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Device Parameters
Dimensions (mm) HxWxD: 235 x 161 x 58 (excl. Antenna 81mm and USB 15mm)
Weight: 1.4kg
Operating temperature: -25°C to +70°C
Supply Parameters
Operating voltage range: 4.4-6.4V from internal battery
Current consumption: 120μA average
Battery type: Alkaline primary cells, 23Ah
RF Parameters
Operating frequency: 916.5 MHz
Transmit power: 25mW max
Duty cycle: <1%
Technical Data

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WES3 Interface Range
Water Interface
Maintenance Interface
Medical Interface
Standard Interface

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Introduction
The WES3 Interface range extends the functionality of the WES3 system by enabling a wide range of third-party devices and
systems to be connected directly to a WES3 network. Connections can be inbound (ie a third-party device signaling in to the
WES3 network), outbound (where the WES3 network can trigger a connected device), or a combination of both.
The range of WES3 Interface devices allow the function of a WES3 network to be highly customized to suit specific use cases
and site requirements.
WES3 Standard Interface
The WES3 Standard Interface can be used either to i) trigger a site-wide alarm on the WES
network when a connected third-party device is activated, or ii) trigger a connected third-party
device when the WES3 network alarm is activated. Typcial uses include connection to fire alarm
panels, access control systems and off-site communication devices (autodiallers).
WES3 Water Interface
The WES3 Water Interface enables water detection devices such as detection cables, to be
connected to a WES network, providing automatic 24/7 monitoring and raise a notification in
the event of water being detected. The same WES Interface can be configured to also trigger a
connected third-party device, such as a shut-off valve.
WES3 Medical Interface
The WES3 Medical Interface is used to trigger a third-party medical alert device, such as an
autodialler, when a Medical Alert is raised on a WES3 Call Point. This allows site teams to
respond immediately to first aid incidents and medical emergencies, even in locations where
cellular signal is not available.
WES3 Maintenance Interface
The WES3 Maintenance Interface provides maintenance and service teams with notifications
whenever a system fault is raised on the WES3 network. This could be a low battery warning, an
external tamper fault, or a network signal strength alert. The Maintenance Interface is typically
used to trigger an autodialler or pager notification where cellular-dependent systems are not
viable.

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General Installation
Cable disconnection or damage could result in the alarm not activating when required without any fault or warning
indication. The cable length of connected devices must be no more than 50m length.
Output
The outputs are rated for 24V at up to 2A maximum.
When NOT in Alarm
Common (C) Normally
Open (NO)
Normally
Closed (NC)
When in Alarm
Normally
Open (NO)
Normally
Closed (NC)
Common (C)
Input
The input requires a “volt free” contact from a relay and should not be connected to power.
Alarm NOT Triggered Alarm Triggered
IN+ IN- IN+ IN-
INPUT / OUTPUT CONNECTIONS
The Interface has two auxiliary relay outputs and one
auxiliary input. These allow the WES3 system to be expanded
to interact with external devices.
Connections to third-party devices (both inbound and
outbound) are unmonitored. Where remote monitoring is
required, such as the connection of automatic or manual fire
detection devices and active fire protection systems such as
sprinklers, gas suppression systems etc. additional measures
may be required.

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The WES3 Standard Interface unit allows you to connect your EN54-25 compliant WES3 network with a host of other building
managements and emergency systems on site including access control systems, lifts and emergency lighting. The WES3
Standard Interface is suited to a wide range of projects, be it a new build through to extensive refurbishment projects. The
Interface is capable of communicating with most commonly used technologies in existing buildings, construction projects and
site cabins.
Use cases:
O CCTV cameras
O Access control turnstiles and barriers
O Auto dialers
O Security monitoring systems
O AOV (Automatic Opening Vent) systems
O Sprinkler systems
O BMS (Building Management Systems)
O Temporary stand pipe flow switches
WES3 Standard Interface

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LED Indications
WES3 Standard Interface
Green LED
Active units with no faults will flash their green LED once every 4 seconds to
indicate that the unit is operational.
Amber LED
Each WES3 unit monitors itself for a number of faults. These are indicated via the
amber LED, which will flash in grouped patterns with longer than usual gaps in
between them.
Units displaying one of these patterns require further investigation and should not
be relied upon as part of the fire alarm and detection system until the fault has
been corrected. Use the chart at the bottom of this page to determine the nature
of the issue.
Red LED
The red LED indicator will flash every 4 seconds when the unit has been triggered.
Group Flash 1 - Low Battery
Group Flash 2 - Low Signal
Group Flash 3 - Unpaired / No Signal
Group Flash 4 - Tamper
Group Flash 5 - Unit Latched
Amber LED Flash Sequence
1 green flash every 4 seconds
See Amber LED table below
1 red flash every 4 seconds

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The WES3 Water Interface in combination with a water detection sensor is designed to trigger if water is detected along the
sensor length (zone).
The input triggers a water alert on the WES3 Connect base station and an immediate notification in (where used) the REACT
cloud and mobile application. For further details on the REACT application, visit www.ramtechglobal.com.
Note: The WES3 Water Interface is not a fire alarm device.
Use cases:
O Water detection in storerooms/basements/facilities wherever water leakage may occur
O Leaky pipe or tracing detection (cable wrapped along the pipe)
O Protection against floods or groundwater
O Detection of water leaks in drip tray.
Water detection tape and cable features:
O Detects liquid along the entire length of the sensing cable
O Easy to lay, wrap, install and secure
O Polarised cables for easy installation
O Re-deployable from one location to another
O Extendable with connectors, sleeves or crimps. Maximum length 50m.
Associated products:
O Water Detection Tape
Textured woven polyester tape with parallel uninsulated copper wires
Band width: 18mm
Available lengths: 25m (82ft) or 50m (164ft) reel.
O Water Detection Cable
PVC coated two core twisted pair with stainless steel elements
Diameter: 3.5mm
Available lengths: 2m (6.5ft), 5m (16.4ft), 10m (32.8ft), 15m (50ft), 25m (82ft) or 100m (328ft) reel (cut to length on site).
WES3 Water Interface
WES3 Water Interface Water Detection Cable Water Detection Tape

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WES3 Water Interface
Installation Recommendations
Prepare the area:
O Identify possible sources of risk or leakage (e.g. pipe penetrations, HVAC equipment, pumps, storage vessels)
O Identify any particular areas that need to be protected (e.g. high risk, high value areas)
O Verify the area the cable will be installed in and ensure sucient length of cable has been supplied
O Clean the area where the cable will be installed of dirt, debris or obstructions.
Installation:
O Open the WES3 Water Interface unit by removing the outer body screws
O Run the cable through the bottom grommets and connect to the input terminals
O Turn on the interface and pair into the WES network. Refer to the WES3 Installation and Operation Manual for reference
O Position the Water Detection Tape appropriately so that it provides the most appropriate level of detection
O It is imperative the Water Detection Tape is protected from sharp or metallic objects to prevent false activation
O It is recommended that the cable is securely fixed using suitable fixings, available from Ramtech Electronics
O If the Water Detection Tape is installed between pipe insulation and the surrounding casing, it is recommended that a
thicker tape (30-40 mm) is fitted over the band
O If the Water Detection Tape is to be glued against the floor, it is recommended that Casco 3831, S9 Super glue is used
O If the area is heavy with condensation, it may be required to “raise” the tape or cable above the surface to be monitored
using 3mm tape or similar. This will prevent false activation of the sensor.
Testing:
Once installed, the system can be tested by placing a wet cloth over the tape or cable to simulate a water leak. The WES3
Water Interface will change state and trigger an alert on the WES Connect base station and (where used) the REACT mobile
application. To ensure the device is in the correct state to deploy refer to the LED Indication information below.
Note: The system should be tested to ensure the level of sensitivity is appropriate prior to commissioning.

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LED Indications
WES3 Water Interface
Green LED
Active units with no faults will flash three periodic green LED flashes and one red
LED flash (green, green, green and red) to indicate that the unit is operational and
“unlatched”.
Amber LED
Each WES3 unit monitors itself for a number of faults. These are indicated via the
amber LED, which will flash in grouped patterns with longer than usual gaps in
between them.
Units displaying one of these patterns require further investigation and should not
be relied upon as part of the fire alarm and detection system until the fault has
been corrected. Use the chart at the bottom of this page to determine the nature
of the issue.
Red LED
Three periodic red flashes and one green flash (red, red, red and green) indicates
the interface unit is latched which means the water cable / tape has been
activated.
3 green flashes and 1 red flash
3 red flashes and 1 green flash
Note: Clearing the Water alert from the WES3 system will need to be performed on the WES3 Connect unit by
selecting the ‘WTR’ alert on the Warnings screen, pressing the green tick box on the keypad, then pressing the
arrow next to Yes to confirm.
The access code is required to clear the alert. The default PIN number is 1234. This can be changed on site - refer
to the WES3 Installation and Operation Manual.
Group Flash 1 - Low Battery
Group Flash 2 - Low Signal
Group Flash 3 - Unpaired / No Signal
Group Flash 4 - Tamper
Group Flash 5 - Unit Latched
Amber LED Flash Sequence
See Amber LED table below