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Automist

®

 Fixed Wall Head Handbook v1.2.3 

 

 

Plumis Ltd Copyright © 2017. All Rights Reserved. 

 

Page 20 of 41 

 

S MA RT SC AN

®

Power Loss Alarm 

It is possible to fit a power loss alarm to the system, to alert the user if power is cut. Because the alarm is 
installed to detect a loss of power, it must be installed on a separate spur of the same circuit as the 
Automist system.  

Many options for such an alarm are available and Plumis recommends the purchase of an inexpensive 
alarm from Amazon, using the following link: 

https://www.amazon.co.uk/gp/product/B01GE3NDB4/ref=pd_cp_107_1?ie=UTF8&psc=1&refRID=REA5Y9F0R
C54QWVN72WM

 

 

B) Configuring the Spray Head 

Only the Plumis technical team, a Fire Engineer or an Accredited Installer/Reseller can specify appropriate 
locations and configurations for Automist. 

Whilst referring to the layout specification, adjust the nozzle configuration to suit the space. Use the nozzle 
adjustment tool provided with the commissioning kit to gently but firmly tighten each nozzle. Nozzle o-rings 
are provided to form a good seal at the interface.  Silicone grease should be used for lubricating and 
preserving o-rings. 

 

The nozzle adjustment tool should be used to fasten the blanking caps in place. 

 

The table below shows the options of jets depending on the layout of the area to be protected: 

Layout 

Nozzles 

4 nozzle spray (4N) 

4 x A8 

2 nozzle spray (2N) 

2 x A16 

 
N.b. The lower the nozzle number, the lower the flow (litres per min) 

p

Automist manifold

o-ring 

No 
zzle 

Allen key 

Nozzle 
adjustment 
tool 

Содержание Automist

Страница 1: ...Wall Head Handbook is designed to provide Accredited Automist Installers with essential information regarding specification installation maintenance and commissioning of the Automist fire protection...

Страница 2: ...STEM 10 Specifying Automist 11 Room Compatibility 13 Spray Head Placement 14 Detection System 15 INSTALLER GUIDELINES 17 A Preparing the site 19 B Configuring the Spray Head 20 C Installing the Automi...

Страница 3: ...Automist Fixed Wall Head Handbook v1 2 3 Plumis Ltd Copyright 2017 All Rights Reserved Page 3 of 41 S MA RT SC AN...

Страница 4: ...Automist Fixed Wall Head Handbook v1 2 3 Plumis Ltd Copyright 2017 All Rights Reserved Page 4 of 41 S MA RT SC AN INTRODUCTION TO THE FIXED WALL HEAD SYSTEM...

Страница 5: ...persons including children with reduced physical sensory or mental capabilities or lack of experience and knowledge unless they have been given supervision or instruction excluding children Automist r...

Страница 6: ...ere desired manual activation can also be provided through a manual call point The water mist technology also has benefits for suppressing a greater range of fire scenarios particularly fires that are...

Страница 7: ...lation valve 2 Automist Smartscan supply label cable tie 3 single check valve 4 Filter 5 Stainless Steel Inlet Hose 6 Automist Smartscan Pump Unit 7 Quick connect with test point for pressure gauge 8...

Страница 8: ...ations Automist may be used in a variety of applications as part of a fire engineered solution where suppression is used as a key enabler for means of escape by extending tenable conditions A fire eng...

Страница 9: ...e Approved Automist fire suppression system was examined tested and found when correctly installed to comply with the requirements of the United Kingdom Water Byelaws Certificate number 1102330 Compan...

Страница 10: ...Automist Fixed Wall Head Handbook v1 2 3 Plumis Ltd Copyright 2017 All Rights Reserved Page 10 of 41 S MA RT SC AN HOW TO SPECIFY THE FIXED HEAD AUTOMIST SYSTEM...

Страница 11: ...32m2 with a maximum ceiling height of 3 5m Based on third party test data spray heads must be located within 5m line of sight of any possible fire location Small potentially blocked or shadowed floor...

Страница 12: ...critical supporting technical information and also commissioning certificates for project approval by Building Control or other involved third parties Automist is accepted for use as a compensatory me...

Страница 13: ...eness for a given space is available Please refer to our technical area online or contact our technical team IMPORTANT Do not install Automist outside this specification without first discussing the d...

Страница 14: ...ves must be used Where the hose is surface mounted more than 1 2m from the floor in a protected room or where the hose passes above within the ceiling of a protected room a suitable thermally insulati...

Страница 15: ...mp must be customised by Plumis before shipping DO NOT trigger Automist from a smoke alarm as this will lead to unwanted activations DO NOT connect the Automist pump s alarm input to any device other...

Страница 16: ...cable run between the pump location and the relay Placement of heat detectors alarms should follow either BS5839 6 2013 section 11 2 h to n or BS5839 1 2013 section 22 3 Notably this implies a working...

Страница 17: ...Automist Fixed Wall Head Handbook v1 2 3 Plumis Ltd Copyright 2017 All Rights Reserved Page 17 of 41 S MA RT SC AN INSTALLER GUIDELINES...

Страница 18: ...st Head D Connecting the water supply E Connecting the electrics F Commissioning and maintenance Notice Equipment you will need A suitable tool for tightening BSP hoses A set of screwdrivers a suitabl...

Страница 19: ...n the existing consumer unit or there are no available non RCD protected ways in the existing consumer unit the electrician may wish to use a Henley Block to provide new tails to a second distribution...

Страница 20: ...mis technical team a Fire Engineer or an Accredited Installer Reseller can specify appropriate locations and configurations for Automist Whilst referring to the layout specification adjust the nozzle...

Страница 21: ...e pointing into the room and not towards the wall PTFE tape should be wrapped approximately three times around the hosetail thread that enters the spray head Assemble the spray head In the correct ori...

Страница 22: ...sure the hose is slack enough to allow easy removal of the head for commissioning This may require use of a conduit in some wall types Single gang 50mm deep mounting box Single gang 50mm deep mounting...

Страница 23: ...t pumps is adequate The water supply should comply as follows A check valve must be installed to ensure back flow protection to the mains water supplied in kit WRAS approved isolation valves or equiva...

Страница 24: ...r DIN EN 857 2SN rated to 400 bar working pressure and a minimum internal diameter of 6 3mm Hoses crimped on site must be pressure tested to at least 150 bar before the commissioning procedure to chec...

Страница 25: ...onal wrench apply another 1 2 turn clockwise to guarantee a reliable seal IMPORTANT Do not attempt to operate the pump without the quick connector o ring Always properly replace the quick connector o...

Страница 26: ...e washers the correct amount of torque should be applied to each low pressure connection This can be accomplished in 2 ways with the washers and mating surfaces kept dry i Apply 6Nm using a calibrated...

Страница 27: ...r of the unit the pump features a single core loop cable This is to allow an auxiliary external STOP button to be added for example if the pump is installed enclosed in a space where the STOP button i...

Страница 28: ...an appropriate IP rating e g IPX5 if used in the room protected by Automist located as close to the pump as possible and should be clearly labelled The auxiliary button cannot be used to commission th...

Страница 29: ...hich allows Automist to be tested During commissioning the pump runs for approximately 20 seconds and the output pressure is monitored When the Automist head is wall mounted use the wall maintenance t...

Страница 30: ...en commissioned SYSTEM OK LED Lit green when the system is OK and on stand by IMPORTANT Automist should never be left in a fault condition Error LEDs indicate that the system requires attention and ma...

Страница 31: ...ct Plumis on 020 7871 3899 if the situation cannot be resolved 5 Make sure you replace the mist head with the active nozzles pointing into the centre of the room Slight dripping from the head assembly...

Страница 32: ...t point adapter 9 Following a successful pressure test the high pressure hose must be cleared of water by connecting a suitable pump to the Plumis supplied attachment that is connected to the test poi...

Страница 33: ...located in the same fire resisting compartment as the protected area it should be protected by an electrical cover unit tested to BS476 Part 22 1987 EN1364 1 1999 Water Supply check valve and filter...

Страница 34: ...gionella High pressure hose should be protected by a fire resisting barrier It is critically important that the high pressure hose locking pin behind the pump is in position so that the quick connecto...

Страница 35: ...Automist Fixed Wall Head Handbook v1 2 3 Plumis Ltd Copyright 2017 All Rights Reserved Page 35 of 41 S MA RT SC AN FIXED HEAD SYSTEM CARE...

Страница 36: ...for example the quick fit connector may not be secured or its o ring may not have been fitted Re run commissioning Blockage at the pump inlet Close off the water with the isolation valve Disconnect t...

Страница 37: ...that the STOP button is stuck This fault is very rare and requires a replacement pump Pump does not run during commissioning although there is power to Automist unit Trigger alarm not connected to Au...

Страница 38: ...cedure with the high pressure hose outlet placed inside a container with volume markings If volume of water is less than 1 6 litres the pump is not providing the correct flow Please contact Plumis tec...

Страница 39: ...uct similar to that being replaced if the original model is no longer available or in stock If the product is found to have failed for reasons outside our warranty cover Plumis may quote to repair the...

Страница 40: ...Automist Fixed Wall Head Handbook v1 2 3 Plumis Ltd Copyright 2017 All Rights Reserved Page 40 of 41 S MA RT SC AN FIXED HEAD SYSTEM SERVICING...

Страница 41: ...as been used and hoses are not kinked 5 Visually when possible check the high pressure hose for damages or tears have developed 6 Make sure the house coding or the wiring of the Heat Detector is corre...

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