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S4-34760_Venturi-Air Duct Kit

4188-971_issue 1_07/09_duct sensor kit

11

2.7 Mounting kit for circular and insulated air ducts

The mounting kit (Part No. S4-34760-99) has to be used for mounting on insulated or circular air duct systems.
The mounting kit can simply be bend to fit to the shape of the duct. Pre-punched mounting holes are provided
for easy installation. Close the openings of the air duct with the supplied rubber grommets

(refer to Fig.).

Forming edge

Ventur tube

hole

Mounting holes

Fig. 16: Mounting kit for insulated and circular air ducts

Mounting example

Fig. 17: Circular air ducts

Fig. 18: Insulated rectangular air duct

www.acornfiresecurity.com

www.acornfiresecurity.com

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Содержание GENT S4-34760

Страница 1: ...Installation Instruction Venturi Air Duct Kit Part No S4 34760 www acornfiresecurity com www acornfiresecurity com ...

Страница 2: ...nstallation or service personnel with the necessary qualification for carrying out repairs on fire alarm and extinguishing systems or who are authorised to operate ground and label electrical circuits and or safety equipment systems Safety warnings The following information is given in the interest of your personal safety and to prevent damage to the product described in this manual and all equipm...

Страница 3: ...Venturi tube length 10 2 6 Mounting the Venturi tube 10 2 7 Mounting kit for circular and insulated air ducts 11 3 Opening the enclosure 12 3 1 Detector base wiring 12 3 2 Install fire detector 13 4 Final check 14 5 Maintenance 15 6 Specifications 16 7 Accessories 16 8 Loop Wiring 17 Additional and updated Information The described features specifications and product related information in this ma...

Страница 4: ... Rubber gasket opening of enclosure Venturi tube 1x End cap for venturi tube inside the air duct 2 Mounting The required mounting position is indicated by the arrow on the top of the enclosure The alignment of the air duct kit is correct if the arrow points into the same direction as the air flow inside the duct The arrow shaped bottom of the enclosure provides a quick info for the correct positio...

Страница 5: ... duct kit Mount the kit with the supplied three long screws on the duct Only the three marked holes may be used to fasten the kit on the air duct The kit can be mounted in different positions top side bottom on the air duct without affecting the proper operation The arrow on the housing of the air duct kit must point into the direction of the air flow The Venturi tube must be aligned in the middle...

Страница 6: ...ctor should be in the same direction as the air flow through the duct For applications with a detector mounting close to reducing dampers and regulating flaps filter units or bends the following minimum distances must be observed upstream Î at least 3 x the nominal diameter of the air duct downstream Î at least 5 x the nominal diameter of the air duct Fig 3 Air duct detector after a bend in the du...

Страница 7: ...flow Direction of air flow MIN 3xdh MIN 5xdh ADD ADD Direction of air flow Direction of air flow Fig 6 Silencer Fig 7 Air reservoir MIN 5xd h MIN 3xdh ADD ADD Direction of air flow Direction of air flow MIN 5xd h MIN 3xdh ADD ADD MIN 3xdh Direction of air flow Direction of air flow Direction of air flow ADD Fig 8 Bend in the air duct system Fig 9 Branch in the air duct system MIN 3xdh MIN 5xdh ADD...

Страница 8: ...and deburr the borehole Cut the Venturi tube to the required length refer Section 2 5 Adapt the Venturi tube length Air duct diameter up to 600 mm Direction of air flow Hole 38 mm Close the end of the Venturi tube by means of the supplied sealing cap Fig 12 Venturi tubes up to 600 mm The immersion depth of the Venturi tube in the air duct should be 90 of the ducts diameter Observe distance caused ...

Страница 9: ...of the Venturi tube with the supplied plastic gasket use only Part No S4 34760 15 S4 760 28 Insert rubber gasket in the lower borehole of the air duct 50 mm Close the end of the Venturi tube by means of the supplied sealing cap air duct diameters between 600 mm and 2700 mm Because ot its lenght the Venturi tube has to be supported in the opposite side of the air duct Hole 50 mm Direction of air fl...

Страница 10: ...S4 34760 28 1 For systems with a tube length of more than 600 mm the Venturi tube must be about 30 mm longer as the diameter of the air duct Fig 14 Cutting the Venturi tube to the required length 2 6 Mounting the Venturi tube Fit the supplied rubber gasket on the upper side of the Venturi tube enclosure Venturi tube Insert Venturi tube in the correct positional Rohr arrangement into the oval openi...

Страница 11: ...unting kit can simply be bend to fit to the shape of the duct Pre punched mounting holes are provided for easy installation Close the openings of the air duct with the supplied rubber grommets refer to Fig Forming edge Ventur tube hole Mounting holes Fig 16 Mounting kit for insulated and circular air ducts Mounting example Fig 17 Circular air ducts Fig 18 Insulated rectangular air duct www acornfi...

Страница 12: ...nd remove it Open enclosure on the terminals side 1 Lift plastic tab at the top carefully upwards with a small bladed srewdriver 2 Unfix transparent cover and remove it Fig 19 Open enclosure Detector side Fig 20 Open enclosure terminal side 3 1 Detector base wiring Vigilon loop Fig 21 Cable for loop wiring The terminal assignment as well as the connection to the Fire alarm panel is detailed in the...

Страница 13: ...m control panel and indicated on the panel display An activated alarm is also local indicated with the flashing red detector LED The LED is visible for the mounted detectors in the air duct kit through the transparent cover Fig 22 Insert S Quad sensor An external remote indicator may be connected if required It is recommended to use the removal tool to insert remove the detector from the base Fix ...

Страница 14: ...is fitted as required and the tube is fastened with the appropriate screw in the air duct kit The lower end of the Venturi tube is terminated with the supplied end cap The cabinet must not show any signs of damage Additional vents into the cabinet are not permitted If the air flow against the Venturi tube is present the flow indicator oscillates The oscillating speed depends on the air flow speed ...

Страница 15: ... turn it aside 2 Remove spraying nozzle from test gas can 3 Press the valve of the test gas can towards the inspection hole 4 Apply test gas in the inside of the chamber by briefly pressing the test gas can 5 Wait for alarm activation of the detector red LED flashes as the case indication at the panel 6 If the detector is not activated apply again some test gas in frequent intervals 7 Close openin...

Страница 16: ...age 25 C to 70 C Ambient humidity 95 relative humidity non condensing IP rating IP 43 with base option Housing ABS plastic Colour white similar to RAL 9010 Weight approx 110 g Dimensions with base Ø 117 mm H 62 mm Detector specification EN 54 7 CEA 4021 EN 54 17 section 4 8 data Vmax 42V Vnom 40V Vmin 24V VSO max 16V VSO min 8V IC max 0 4A IS max 1A IL max 20uA ZC max 0 1ohms Venturi tube Part No ...

Страница 17: ...EL S Quad S device 2 way 3 Earth to metal box Terminal Card LOOP CIRCUIT 1 Note The 0V terminals in the terminal plate are electrically connected together L1 0V L2 0V LOOP n IN4 OUT5 C3 S Quad IN4 OUT5 C3 Duct Sensor 1 L1 2 0V 3 L2 4 0V 5 EM 6 C 7 Earth 8 Earth Unmonitored LED output 100m max Fig 25 Loop Wiring www acornfiresecurity com www acornfiresecurity com ...

Страница 18: ...S4 34760_Venturi Air Duct Kit 18 4188 971_issue 1_07 09_duct sensor kit Fig 26 Vigilon loop wiring www acornfiresecurity com www acornfiresecurity com ...

Страница 19: ...S4 34760_Venturi Air Duct Kit 4188 971_issue 1_07 09_duct sensor kit 19 Page intentionally left blank www acornfiresecurity com www acornfiresecurity com ...

Страница 20: ...ion Do not dispose of with your normal household waste Do not burn WEEE Directive At the end of their useful life the packaging product and batteries should be disposed of via a suitable recycling centre Gent by Honeywell reserves the right to revise this publication from time to time and make changes to the content hereof without obligation to notify any person of such revisions of changes www ac...

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