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Page  10

Connecting 2 Gas Detectors in Parallel

Ph

N

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+

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1     2     3    4    5      6     7     8

1     2     3    4    5      6     7     8

Normally open electrovalve 230V AC without intrinsic safety

The  Relay  is  free  of  voltage.
Range  of  relay  contact    10A  resistive

The drawn electrovalve is a Normally Open type with manual reset and with a power supply
of 12V 600mA MAX. The activation is impulsive.

Power  Supply

230  V 

AC

Electrical connections

Summary of Contents for GS920

Page 1: ...an activate solenoid valves sirens and any other alarm signal device The micro switch makes it possible to select the relay impulse functioning to connect manual reset solenoid valves or the continuous functioning and to activate N C class A solenoid valves and sirens Another micro switch allows turning on off the Intrinsic Safety The power supply unit allows driving of a manual reset solenoid val...

Page 2: ...traordinary maintenance and its out of service removal at the end of the functional life guaranteed by the manufacturer must be carried out by authorized and or specialized personnel Do not allow it to become wet The detector can be seriously damaged when immersed in water Remember that the probe has an IP30 protection degree Do not drop it Heavy knocks or falls during transportation or installati...

Page 3: ...er level at 10 of L E L 4 Micro switches Switch 1 Positioning the switch to ON Intrinsically safe operation the relay is excited at the end of the latency time and switches on each alarm Positioning the switch to OFF Normal operation the relay switches on each alarm Switch 2 Positioning the switch to ON the relay is set to impulse functioning Each pulse lasts about 30 seconds Positioning the switc...

Page 4: ...Pagina 4 34 mm 50 mm Embedded box 503 70 mm 105 mm 5 mm 115 mm 84 mm 115mm Dimensions ...

Page 5: ... its measurement It should be located away from sources of heat ventilators or fans It must not be installed on a wall in plasterworch It must be installed only on walls in masonry Once the device has been turned on the MAINS LED will start blinking for about 60 seconds after which it will remain ON Now the GS920 is ready for detection of explosive gas After 24 hours from installation begin the se...

Page 6: ...les cornices also unbraced parapets and architectural ornaments Some cracks in masonry C Waves on ponds water turbid with mud Small slides and caving in along sand or gravel banks Large bells ring Concrete irrigation ditches damaged Steering of motor cars affected Damage to masonry C partial collapse Some damage to masonry B none to masonry A Fall of stucco and some masonry walls Twisting fall of ...

Page 7: ...ndon the building and call the emergency services when outside fire department distributors etc If the device does not start up Check that the 230V power is correctly connected If the fault LED lights up If the YELLOW LED is remains ON check the detection capsule status It is probably faulty and has to be replaced Call an authorized technician If the detector is repeatedly issuing an alarm Check t...

Page 8: ...tion Scheme of GS920 Detector N C C NO N Ph 12 V 1 2 3 4 5 6 7 8 Without Intrinsic Safety With Intrinsic Safety Normally closed electrovalve 230VAC The Relay is free of voltage Range of relay contact 10A resistive The electrovalve is a N C Automatic or manual retrig Note To connect a N O Electrovalve swap the connections between pin 8 and 6 The Relay is free of voltage Range of relay contact 10A r...

Page 9: ... free of voltage Range of relay contact 10A resistive The drawn electrovalve is a Normally Open type with manual reset and with a power supply of 12V 600mA MAX The activation is impulsive Power Supply 230 V AC Normally open electrovalve 230V AC with intrinsic safety Ph N 1 2 3 4 5 6 7 8 The Relay is free of voltage Range of relay contact 10A resistive The drawn electrovalve is a N C type with manu...

Page 10: ...open electrovalve 230V AC without intrinsic safety The Relay is free of voltage Range of relay contact 10A resistive The drawn electrovalve is a Normally Open type with manual reset and with a power supply of 12V 600mA MAX The activation is impulsive Power Supply 230 V AC Electricalconnections ...

Page 11: ...Page 11 Note ...

Page 12: ... 3 years from manufacturing date in agreement with the following conditions The components acknowledged as faulty will be replaced free of charge excluding the replacement of plastic or aluminium cases bags packing batteries and technical reports The device must arrive free of shipment charges to BEINAT S r l Defects caused by unauthorized personnel tampering incorrect installation and negligence ...

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