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•  The location of the Sounder-Beacon should be chosen with due regard  to 

the area over which the signalling device must be audible/visable.

•  These units are suitable for wall or ceiling mount 

only.

•  Environmental exposure conditions during installation should be dry.

Moist or wet conditions should be avoided.

•  Avoid mounting the product where it may be subjected to excessive vibra-

tion.

To mount the unit

•  Remove the head from 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, suit-

ably rated (minimum IP66) M20 cable glands must also be used for cable 

entry/exit.

•  Insert cable glands and attach to surface.

•  Select required wiring option for required operation (see wiring section).

•  Select tone by configuring the DIP switches in the head unit, the tone table  

can be found on page 12 of this booklet (Pre-set to tone 18).

•  Select Light output option (see table below).

  

•  Relocate head onto mounted base unit & rotate clockwise until locked in 

place. 

5

Light Output

Switch 6 Position

Flashing

OFF

Static

ON

Summary of Contents for IS-SB-02 Series

Page 1: ...N PLEASE READ PRIOR TO INSTALLATION Website www moflash com Email technical moflash co uk Moflash Intrinsically Safe Sounder Beacon Range S00605 Issue 7 28 07 2020 VISUAL AND OR AUDIBLE SIGNALLING DEV...

Page 2: ...stant 33mA The Sounder has diode reverse polatiry protection and is also End of Line resistor compatible 2 0 Intrinsically Safe Labelling The product will have an individual serial number printed onto...

Page 3: ...a short 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 a...

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

Page 5: ...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 suit ably rated minimum IP66 M20 cable glands m...

Page 6: ...led base the alarm tone and light output must be set see page 5 To activate both Sounder and Beacon together the negative supplies need to be connected together via a wire link not supplied in the bas...

Page 7: ...s done by switching the negative connections as shown in the table on page 6 There are a number of ways for this to be accomplished through the suitable barriers a number of methods are shown below Fo...

Page 8: ...stallation sheet The combined unit can be turned on and off either by using a suitably placed switch in the positive or negative rails switch must be of suitable ratings if installed in the Hazardous...

Page 9: ...er which 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 t...

Page 10: ...been 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...

Page 11: ...these 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...

Page 12: ...89 14 400Hz O I I O I O 92 15 550Hz 0 7s 1000Hz 0 33s O I I I O O 93 16 1500Hz 2700Hz 3Hz O I I I I O 98 17 750Hz I O O O O O 93 18 2400Hz I O O O I O 105 19 660Hz I O O I O O 93 20 660Hz 1 8s ON 1 8...

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