carbon monoxide alarm
Contents
1. INTRODUCTION Thank you for purchasing this alarm which is designed to detect the presence of carbon monoxide CO gas This manual contains information on the installation and the operation of the SF340 modular carbon monoxide alarm THIS ALARM SHOULD ONLY BE INSTALLED BY A COMPETENT PERSON ALL ELECTRICAL WIRING SHOULD BE INSTALLED IN ACCORDANCE WITH THE CURRENT WIRING REGULATIONS OF THE INSTITUTE OF ELECTRICAL ENGINEERS User Manual 2102M0610 Issue C 09 99 CARBON MONOXIDE ALARM Model SF340 series CAREFULLY READ AND UNDERSTAND THE CONTENTS OF THIS INSTRUCTION MANUAL BEFORE USING THE ALARM RETAIN THE MANUAL IN A SAFE PLACE FOR FUTURE REFERENCE PAY PARTICULAR ATTENTION TO THE SAFETY WARNINGS BE SURE TO PASS THE MANUAL ON TO ANY SUBSEQUENT USERS OF THE ALARM WHEN INSTALLING THIS ALARM FOR USE BY OTHERS PLEASE LEAVE THIS MANUAL OR A COPY WITH THE END USER SF Detection Ltd 4 Stinsford Road Nuffield Industrial Estate BS 7860 1996 Poole Dorset BH17 ORZ KM36020 Tel 01202 645577 Fax 01202 665331 1 WHAT IS CARBON MONOXIDE Carbon monoxide is a highly poisonous gas which is released when fuels are burnt It is invisible has no smell and no taste therefore it is very difficult to detect with the human senses Potential danger areas in your home G Portable as a Water gas or or WoO heater paraffin fire heater Portable Clogged cooking chimney equipment Kitchen or flue garage P2. H J Gas Detected Carbon monoxide Detection Principle Electro chemical cell Alarm Indication Flashing red light and audible alarm Alarm Levels 150ppm Between 10 and 30 minutes 350ppm Within 6 minutes as required by BS7860 1996 Supply Voltage Range SF340E F G 220 240Vac 50Hz SF340H 12Vdc 10 SF340J 12Vdc 10 or 24Vdc 10 Operating Temperature 5 C to 40 C Humidity Range 30 to 90 RH Warm up Time after Initial Switch On Instantaneous Normal Module Operating Life 5 years Backup Battery Life when in Alarm At least 5 days Dimensions 170mm x 110 mm x 65mm Weight Approximately 575g DISPOSAL WARNING Do not dispose of in fire GUARANTEE We guarantee your new gas alarm for five years from the date of purchase and under normal use and service to be free from defects in materials and workmanship During this period we will at our discretion repair replace or refund the price of any part of the alarm which is found to be defective in either materials or workmanship providing this occurs under normal use and service We shall however be under no obligation to repair replace or refund the price of units which are found to be defective in any way due to damage neglect unreasonable use or which have been tampered with or found to have been dismantled Defective units should be returned in suitable packaging along with proof of purchase to SF Detection Limited 4 Stinsford Road Nuffield Industrial Estate Po
3. household is suffering from carbon monoxide poisoning IF FURTHER DETAILS ARE REQUIRED THAT DO NOT APPEAR IN THIS MANUAL PLEASE CONTACT SF DETECTION LTD PACK CONTENTS CONTENTS Models SF340E SF340F SF340H SF340J Model SF340G will contain will contain One alarm One alarm One Sensor Module SF340M One Sensor Module SF340M One instruction manual One instruction manual One installation kit consisting of One installation kit consisting of Two wall plugs Two wall plugs Two fixing screws Two wall fixing screws Two spacers Two electrical mounting screws 4 WHERE SHOULD PUT THE ALARM Carbon monoxide has a similar density to warm air To ensure the most effective use is made of the alarm it should be fitted at least 1 5m 5 above floor level and at least 1 85m 6 from the fuel burning appliance 5 WHERE NOT TO PUT THE ALARM WHERE NOT TO PUT THE ALARM Do not place the alarm in the following areas Outside the building In or below a cupboard In adamp or humid area Directly above a sink or cooker Next to a door or window or anywhere it could be affected by drafts Where the airflow to the alarm could be obstructed by curtains or furniture Where dust or dirt could collect and block the sensor Where the temperature could drop below 5 C or rise above 40 C Where it could be easily Knocked or damaged Within 1 5m 5 feet of any cooking appliance SPECIFICATION Models SF340E F G
4. F340G 230V 50Hz Lead amp Plug Model SF340H 12Vdc Standard Model SF340J 12 24Vdc Output Model for relay and interconnect feature Each of the models above comes complete with SF340M Carbon Monoxide Sensor Module including battery back up and electrochemical gas sensing system AN WARNING Actuation of your carbon monoxide CO alarm indicates the presence of carbon monoxide CO which can KILL YOU THIS CARBON MONOXIDE ALARM MAY NOT PROTECT PEOPLE WHO ARE AT SPECIAL RISK BY REASON OF AGE PREGNANCY OR MEDICAL CONDITION THESE INDIVIDUALS MAY CONSIDER USING WARNING DEVICES WHICH PROVIDE AUDIBLE AND VISUAL SIGNALS FOR CARBON MONOXIDE CONCENTRATION UNDER 30PPM IF IN DOUBT PLEASE CONTACT YOUR MEDICAL PRACTITIONER A CARBON MONOXIDE ALARM IS NOT A SUBSTITUTE FOR A SMOKE ALARM OR A COMBUSTIBLE GAS DETECTOR This carbon monoxide alarm is designed to detect carbon monoxide gas from anysource of combustion including wood coal coke oil petrol and gas THIS CARBON MONOXIDE ALARM IS NOT Designed to detect smoke fire or any other gas To be seen as a substitute for the proper servicing of fuel burning appliances or the sweeping of chimneys To be used on an intermittent basis or as a portable alarm for the spillage of combustion products from fuel burning appliances or chimneys AN CAUTION This carbon monoxide alarm is designed for indoor use only Do not expose to rain or moisture Do not knock or drop the alarm Do not ta
5. ea cooker areas Under normal operating conditions in a room where fuel burning appliances are well maintained and correctly ventilated the amount of carbon monoxide released by the appliances is not dangerous A dangerous quantity of carbon monoxide can occur if one or more of the following conditions exists 1 An appliance is faulty or badly maintained 2 A flue is partially or totally blocked 3 A room is not adequately ventilated The following conditions can result in transient carbon monoxide situations 1 Excessive spillage or reverse venting of fuel burning appliances caused by outdoor ambient conditions such as i Wind direction and or air velocity including high gusts of wind Heavy air in the vent pipes cold humid air with extended periods between cycles ii Negative pressure differential resulting from use of exhaust fans ili Simultaneous operation of several fuel burning appliances competing for limited internal air V Flue connections breaking loose from clothes dryers water heaters or boilers vV Obstructions in or unconventional flue designs which can amplify the above situations Extended use of unvented fuel burning devices Temperature inversions which can trap exhaust gases near the ground A car running in an open or attached garage near a home This manual covers the following models SF340E 230V 50Hz Standard Model SF340F 230V 50Hz Output Model for relay and interconnect feature S
6. g appliance in a room where people sleep you should put the alarm in that room If there is a fuel burning appliance in a room you use a lot such as a sitting room you should put the alarm in that room If you live in a bed sit put the alarm as far away from the cooking appliance as possible but near to the room where you sleep If the fuel burning appliance is in a room not normally used e g a boiler room put the alarm just outside the room so you will be able to hear it TESTING YOUR ALARM YOUR ALARM A green power light indicates power is supplied The alarm should be tested weekly by pushing and holding the test button on the front of the unit The alarm signal should sound If relay models are in use or units are interconnected please be aware that the relay function will be activated upon test CARE AND MAINTENANCE OF ALARM AND MAINTENANCE OF ALARM The outside casing of the alarm should be wiped occasionally with a cloth Ensure that the holes on the front are not blocked with dirt and dust DO NOT USE CLEANING AGENTS BLEACH OR POLISH IMPORTANT Ideally it is recommended that a carbon monoxide alarm should be installed in or near to every room which contains a fuel burning appliance such as gas fires central heating boilers room heaters water heaters cookers grills etc Ensure that the alarm buzzer can be heard by all those who are intended to hear it Seek medical help if it is suspected that a member of the
7. g the terminal block on the connection board marked INTERCONNECT Units are connected in series as follows IC I C OV Connect to I C terminals of other SF340F or SF340J alarms Connect to I C OV terminals of other SF340For SF340J alarms A maximum of 20 units can be interconnected ALARM 1 ALARM 2 ALARM 3 Once all electrical connections have been made fit the power supply unit to the base Ensure that the power supply clip fits correctly and then tighten the securing screw Important The power supply securing screw must be tightened to ensure electrical safety POWER SUPPLY SECURING SCREW BACKUP BATTERY POWER SUPPLY UNIT C Fitting the Module and Turning On Fitting the Module and Turning On All SF340 models The sensor module SF340M is used for all the SF340 series units Simply fit the Module to the installed base and power supply unit and gently push down until it clips into place The red alarm light will illuminate for approximately 10 seconds when the module is fitted Note The Module must have the backup battery fitted for the alarm to operate correctly This applies even if the primary power supply is present 230Vac 12Vdc or 24Vdc as appropriate If no battery is fitted or the battery is flat the audible alarm will sound continuously when the unit is installed and the primary power source is switched on Fit the outer cover of the unit by pushing until the clips at either end hold the cover i
8. ignal is given and the red light flashes 11 WHAT SHOULD I DO IF MY ALARM SOUNDS If your alarm sounds please proceed as follows v Open all doors and windows to ventilate the area and allow the carbon monoxide to disperse v Where possible turn off all fuelled appliances and stop using them v Evacuate the property leaving the doors and windows open v Ring the gas or other fuel supplier on their emergency number and explain the problem Keep their number in a prominent place Y Do not re enter the property until the alarm has stopped v Get medical help immediately for anyone suffering from the effects of carbon monoxide poisoning such as headache nausea etc and advise that carbon monoxide poisoning is suspected v Do not use the appliances again until they have been checked by an expert and the fault located and cleared In the case of gas appliances this should be a CORGI registered installer EMERGENCY TELEPHONE NUMBER
9. larm will sound a single short beep once every 60 seconds The battery must then be replaced The red light will flash once every 60 seconds as normal See Section 10 on batteries Module replacement warning When the module SF340M needs replacing the audible alarm will sound two short beeps every 60 seconds At this time the module must be replaced The red light will flash once every 60 seconds as normal 7 SF340 SERIES FEATURES SF340 SERIES FEATURES All units are powered by a primary power source e g 230V or 12 24Vdc and contain a replaceable Module which houses the battery backup and gas sensing systems POWER LIGHT all SF340 models The green power light will illuminate when the primary power source is connected and working 230V or 12 24Vdc according to model This light will illuminate even when the Module is not fitted ALARM CONFIDENCE LIGHT all SF340 models In normal operation the red light will flash once per minute to indicate that the unit is operating correctly This light will flash whether the Module is powered from the primary power source or the battery backup In the alarm condition it will flash five times per second AUDIBLE ALARM all SF340 models In the alarm condition the buzzer will sound Models SF340E SF340G and SF340H will sound the Morse Code signal for CO Models SF340F and SF340u will give a continuous buzzer sound and this will continue for 90 seconds after the alar
10. m light has stopped Where models SF340F and SF340J are interconnected all units connected will sound the continuous alarm signal Only units in alarm will have a continuously flashing alarm light BATTERY BACKUP all SF340 models All models in the SF340 series have a battery backup feature This powers the alarm in the event of a primary power failure 230V or 12 24Vdc according to model TEST BUTTON all SF340 models All models in the SF340 series have a test button This is positioned on the front of the unit and when pushed will cause the audible and visual alarm signals to be given If the relay and interconnect options are used these will also operate when the test button is pressed Note that for models SF340F and SF340J the buzzer will sound and the relay will operate for 90 seconds RELAY OUTPUT Models SF340F amp SF340u The relay provides a single pole changeover SPCO volt free contact which can be used to signal to a control panel or switch an external siren or gas valve The relay contacts are rated at 3A 230Vac and will change state when the unit goes into the alarm condition or when the test button is pressed When the unit comes out of the alarm condition the relay will automatically revert to its original state after a delay of 90 seconds INTERCONNECT Models SF340F amp SF340J The interconnect facility enables up to 20 SF340F or SF340J alarms to be connected together If one unit goes into the alarm condition
11. mper with the alarm as this could cause electric shock or alarm malfunction The alarm will not protect against the risk of carbon monoxide poisoning when the battery back up is no longer functioning This alarm will only indicate the presence of carbon monoxide gas at the sensor Carbon monoxide gas may be present in other areas Do not paint 2 WHAT ARE THE SYMPTOMS OF CARBON MONOXIDE POISONING The following symptoms are related to carbon monoxide poisoning and should be discussed with ALL members of the household Slight headache nausea vomiting fatigue often described as flu like symptoms Mild exposure Severe throbbing headache drowsiness confusion fast heart rate Medium exposure Unconsciousness convulsions cardiorespiratory failure death Extreme exposure Many reported cases of carbon monoxide poisoning indicate that while victims are aware they are not well they become so disorientated that they are unable to save themselves by either exiting the building or calling for assistance It is also important to note that young children and pets may be the first to be affected 3 IN WHICH ROOM SHOULD I PUT THE ALARM Ideally you should have an alarm in or near every room which contains a fuel burning appliance However if you have more than one appliance but only one alarm you should take the following into consideration when deciding where best to put the alarm If there is a fuel burnin
12. n place Turn on the electrical supply Check that the green power light illuminates and the red alarm lamp flashes briefly once every minute Push the test button and hold until the audible alarm signal is given The unit is now ready and working 9 HOW DO REPLACE THE SENSOR MODULE All SF340 models Remove the outer cover of the unit by gently pushing in the clips at either end Remove the module fixing screw if fitted and unclip the Module from the installed base and power supply unit The replacement Module can simply be clipped into the power supply unit and the fixing screw replaced if used Note The Module must have the backup battery fitted for the alarm to operate correctly This applies even if the primary power supply is present 230Vac 12Vdc or 24Vdc as appropriate If no battery is fitted or the battery is flat the audible alarm will sound continuously when the Module is fitted Push the test button and hold until the audible alarm signal is given and the red light flashes The unit is now ready and working 10 BATTERIES 0 BATTERIES Only the following batteries are suitable replacements for the SF340M backup battery Duracell MN1604 Rayovac A1604 Gold Peak 1604A Energizer 6LR61 522 To replace the backup battery remove the Module from the unit see section 9 unclip the battery and replace with a fresh battery Refit the Module and outer cover to the unit and push and hold the test button until the audible alarm s
13. o the negative supply wire OV No earth connection is required oo p oe e P z Once all electrical connections are made locate the terminal block in the base by fitting on the pegs 7 Fit the power supply unit to the base ensuring that the wires sit in the base and do not get trapped Ensure that the power supply clip makes correctly and then tighten the securing screw Important The power supply securing screw must be tightened to ensure electrical safety Model SF340J 1 The SF340J must be supplied from a 12Vdc or 24Vdc supply No external fuse is required since a fuse is incorporated in the unit 2 Connect the positive supply wire 12Vdc or 24Vdc to the appropriate terminal marked on the connection board fitted to the base of the unit 3 Connect the negative supply wire OV to the terminal marked OV K m 4 No connection must be made tothe supply 250V TE POWER INPUT earth Refer to following section for Relay and Interconnect Connections RELAY CONNECTIONS Models SF340F amp SF340J only The relay connections are made using the terminal block on the connection board marked RELAY O P Connections to the relay volt free contacts are as follows INTERCONNECT RELAY OUTPUT N C Normally closed COM Common N O Normally open The relay contacts are rated at 3 Amps 230Vac INTERCONNECT CONNECTIONS Models SF340F amp SF340J only The interconnect system is made usin
14. ole Dorset BH17 ORZ An accompanying letter should clearly state the nature of the problem with the alarm This guarantee does not affect your statutory rights 6 OPERATION OF THE ALARM OPERATION OF THE ALARM TEST BUTTON BUZZER GAS INLET POWER ALARM CONFIDENCE LIGHT LIGHT The detector is not fitted with an on off switch it is automatically switched on when the power source is activated This is to ensure the detector can not be inadvertently switched off and therefore fail to detect a build up of carbon monoxide Normal operation When the unit is powered from the primary power source e g 230Vac 12 24Vdc the green light will be illuminated The green light will not be illuminated when the battery backup is in use When no carbon monoxide is present the red alarm light will flash approximately once every 60 seconds This indicates the alarm is working correctly Alarm conditions When the unit detects carbon monoxide the alarm signal is given continuously The red light will flash and the buzzer will sound When the unit has been in alarm for a period of 40 minutes the alarm signal will be given once every 60 seconds Return to normal operation When the carbon monoxide disperses the alarm will automatically stop The red light will flash approximately once every 60 seconds normal operation Battery replacement warning When the backup battery in the SF340M module needs replacing the audible a
15. the audible alarm on all interconnected units will sound This alarm signal is a continuous tone The unit that caused the alarm can be identified as it will be the only one with a continuously flashing alarm light When the unit comes out of the alarm condition the alarm light will stop giving the alarm signal After a delay of 90 seconds the buzzers of all interconnected units will stop sounding and the relays will reset 8 HOW SHOULD I INSTALL MY ALARM ELECTRICAL BOX MOUNTING HOLES CABLE ENTRY POINTS _ H a _ WALL FIXING HOLES B Select a suitable location to install the alarm see Section 4 WHERE SHOULD I PUT THE ALARM and Section 5 WHERE NOT TO PUT THE ALARM The model number and supply voltage are marked on the power supply unit and can be viewed with the outer cover removed Models SF340E SF340F SF340H SF340J 1 Remove the outer cover of the unit by gently pushing in the 2 edge clips Remove the power supply unit by pushing in the lower clip and lifting off 2 Decide where the electrical supply cable is to enter the unit and cut out the appropriate cable entry on the base If the wiring to the unit is surface mounted standard 16mm x 25mm electrical trunking must be used for the cable 3 The unit has been designed to be either surface or flush mounted a Surface Mount Mark the position of the 2 mounting holes drill two 5mm diameter holes and secure the unit to the wall
16. the base and do not get trapped Check that the power supply is positioned correctly and the fixing clip has operated Secure the power supply in place by tightening the securing screw Important The power supply securing screw must be tightened to ensure electrical safety Model SF340F 1 The SF340F must be supplied from a non switched 230Vac spur No external fuse is required since a fuse is incorporated in the unit Maximum wire size is 2 5mm 2 Connect the red or brown live wire of the O supply to the terminal marked L on the connection board fitted to the base of the unit INTERCONNECT RELAY OUTPUT 3 Connect the black or blue neutral wire of E the supply to the terminal marked N 500mA 4 No connection must be made to the mains 7 POWER INPUT supply earth Refer to later section for Relay and Interconnect Connections Model SF340G 1 The SF340G is provided complete with electrical cable and fitted plug The plug is fitted with a 3A fuse and only 3A fuses must be used as replacements Plug into normal household 13A socket and switch on to operate See sections 3 4 and 5 regarding siting of alarm Model SF340H The SF340H must be supplied from a non switched 3 Amp fused spur 12Vdc Connect the supply wiring to the 3 way terminal block provided Connect the red wire of the power supply unit to the positive supply wire 12Vdc Connect the black wire of the power supply unit t
17. using the screws and wall plugs provided b Flush Mount Using a standard 2 gang 28mm mounting box complete the electrical connections see below re fit the power supply cover and secure using the 2 M3 5 screws provided Model SF340G 1 This model is mounted using the 2 keyhole slots provided on the back of the unit Make 2 holes 68mm apart using a 5mm drill Fit the wall plugs into the holes and either gently tap mounting pegs into the wall plugs or fit the screws and spacers provided Hook the unit over the 2 protruding pegs or screw heads spacers B Electrical Connections Electrical Connections Model SF340E 1 The SF340E must be supplied from a non switched 3 Amp fused spur 230Vac 2 Connect the supply wiring to the 3 way terminal block provided Maximum wire size is 2 5mm BROWN RED LIVE SUPPLY 2 WIRING NEUTRAL UNIT BROWN WIRING BLUE om Connect the brown wire of the power supply unit to the red or brown wire of the supply live 4 Connect the blue wire of the power supply unit to the black or blue wire of the supply neutral 5 No connection must be made to the mains supply earth The earth wire can be sleeved and connected to the third terminal of the block to avoid contact with any other wires 6 Once all electrical connections are made locate the terminal block in the base by fitting on the pegs 7 Fit the power supply unit to the base ensuring that the wires sit in
Download Pdf Manuals
Related Search