Duomo BX150 Manuel - Page 5

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BX150 wiring schematic

Electrical Installation

The BX150 is a safety device designed to give audible

alarms and automatically provide latched electrical isolation

of associated gas safety shut off valves in the event of a gas

leak or build up of toxic gases.

The sensors can be located up to 100m from the gas detector.

Cable size should be 1mm

run separately in specific conduit it is not essential to use

screened cable but if the cables are routed through conduit

or trunking containing other wiring the use of screened cable

is advisable. The wiring should be performed by a qualified

person in accordance with current regulations. The plug-in

terminal rail makes installation easy and quick. Do not mount

close to any heat source or in an area where moisture is

likely to effect operation. The IP rating of this unit is IP42.

Sensors should be positioned as shown below.

If you require any guidance on this please call Duomo

technical support on +44 1905 797989.

t: 01905 797989

e: [email protected] | w: www.duomo.co.uk

CSA. If the sensor cables are

Sensor Installation

The sensors must be mounted as shown below with the

sintered head pointing vertically down. When replacing

sensors never seperate a sensing head from its PCB. The

sensor will have been calibrated using this particular board

and therefore will not function correctly with any other.

Important Notes

Always check the wiring before powering up the system.

Do not test this sensor with anything other than Duomo test

gas (See 'BX150 Operation' section for further information).

Concentrations above this will damage the sensor and

shorten sensor life.

The installation of this gas detector does not release

the user from observing all the regulations concerning

the characteristics of the installation and the use

of gas appliances; the ventilation of the protected

environment and the removal of products of combustion.

Duomo will not be held responsible or liable for any damage

caused to people, property or animals resulting from incorrect

connection, installation or application of this gas detector. To

ensure correct function after installation Duomo provide a

commissioning service using calibrated test gases. For this

service call +44 1905 797989.