background image

INSTALLATION & 

TECHNICAL INFORMATION 

PLEASE READ PRIOR TO INSTALLATION 

Website: www.moflash.com        Email: [email protected]

Moflash Intrinsically Safe Sounder Range

S00608, Issue 7, 28/07/2020

AUDIBLE SIGNALLING DEVICES

1

APPROVALS

 

AND CONFORMITIES

Содержание IS-S-02

Страница 1: ...INFORMATION PLEASE READ PRIOR TO INSTALLATION Website www moflash com Email technical moflash co uk Moflash Intrinsically Safe Sounder Range S00608 Issue 7 28 07 2020 AUDIBLE SIGNALLING DEVICES 1 APPR...

Страница 2: ...nd of Line resistor compatible 2 0 Intrinsically Safe Labelling The product will have an individual serial number printed onto the head base plate an example of the sounder label is shown below These...

Страница 3: ...t time Zone 20 Explosive dust air mixture is continuously present Zone 21 Explosive dust air mixture likely to occur in normal operation Zone 22 Explosive dust air mixture not likely to occur and if i...

Страница 4: ...astic shown in Fig 1 with side cutters or a similar tool To open a locked head remove the small rubber bung from the hole on the side of the sounder insert a tool into the hole and depress the clip wh...

Страница 5: ...the base by rotating anticlockwise until it comes free Remove the appropriate fixing hole and conduit knockouts from the back box The back box provides IP66 protection For this to be maintained suitab...

Страница 6: ...llation of the IS S 02 Sounder head unit onto the installed base the alarm tone must be set see page 5 To control the Sounder use either a switch in the safe area on either the positive or negative li...

Страница 7: ...necting the Beacon ground pin to 0v as detailed in the table on page 5 For this application a barrier with 2 Diode return paths is required as shown in the diagram below Switching between return paths...

Страница 8: ...d in the entity parameters section of the installation sheet The Sounder can be turned on and off either by using a suitably placed switch in the positive or negative rails switch must be of suitable...

Страница 9: ...ch can allow reverse polarity monitoring to take place and a fire panel compatible with Intrinsically Safe products must also be used If required an external switch can be wired in series with the 1 a...

Страница 10: ...n sustained during its normal operation The enclosure is non conducting and may generate an ignition capable level of electrostatic charge under certain extreme conditions It is the responsibility of...

Страница 11: ...e units up without the correctly rated barrier could damage these products and so void any protection ratings Specific Conditions of Use 1 Clean equipment regularly to prevent dust build up with a dam...

Страница 12: ...14 400Hz O I I O I O 18 92 15 550Hz 0 7s 1000Hz 0 33s O I I I O O 1 93 16 1500Hz 2700Hz 3Hz O I I I I O 1 98 17 750Hz I O O O O O 1 93 18 2400Hz I O O O I O 1 105 19 660Hz I O O I O O 18 93 20 660Hz...

Отзывы: