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EI-225E-User-Manual

1. This guarantee only applies to normal conditions of use and service and does not include damage resulting from accident neglect misuse unauthorised dis mantling or contamination howsoever caused This guarantee excludes inciden tal and consequential damage If this Carbon Monoxide Alarm should become defective within the guarantee period it must be returned to where it was pur chased or alternatively to Ei Electronics carefully packaged with the problem clearly stated see section 9 Getting the CO Alarm Serviced along with proof of the date of purchase We shall at our discretion repair or replace the faulty unit Do not interfere with the Carbon Monoxide Alarm or attempt to tamper with it This will invalidate the guarantee but more importantly may expose the user to shock or fire hazards This guarantee is in addition to your statutory rights as a consumer Ei Electronics Shannon Co Clare Ireland Phone 353 0 61 471277 E mail eielectronics eiltd ie www eielectronics com AICO Ltd Oswestry Shropshire SY10 8NN Phone 44 0 870 758 4000 E mail enquiries aico co uk www aico co uk 11 TROUBLESHOOTING 1 ALARM DOES NOT WORK WITH THE TEST BUTTON 1 Check that the green mains power light is on If it is off check the wiring fuse circuit breakers etc 2 Hold the test button down for at least 5 seconds 2 THE CO ALARM IS WARM TO TOUCH This is normal as the unit uses a heated sensor 3
2. tle 12 Near paint thinners solvent fumes or air freshners 3 3 Installation The HSE UK gives more detailed recommendations as follows If locating the CO Alarm in a room with an appliance the alarm should be located between 1m and 3m hori zontally from the appliance To comply with both BS amp HSE advice locate between 1 85m and 3 0m from appli ance the alarm should be located preferably on the ceiling Ceiling mounted detectors should be at least 300mm from any wall if placed on a wall the CO Alarm should be as high as possible higher than doors and windows but not within 150mm of the ceiling If locating the CO Alarm in a room remote from the appliance the alarm should be located at a level similar to the breathing zone of the occupant typically in living rooms at 1 5m to 2 0m above floor level and in bedrooms at the height of the bed mm iom wals Figure 3 HSE R carmimended locations Hold the test button for 5 seconds until the red alarm light flashes and the horn sounds for over 5 seconds This will help to familiarise you and your family with the distinctive on off sound of the CO Alarm This test checks that the electronics and the horn are working correctly Do not try to test the CO Alarm in any other way If the units are interconnected button test each unit in turn and check all interconnected units alarm If the CO Alarm gives a short beep and the amber fault light fl
3. ALARM BEEPS AND AMBER LIGHT FLASHES EVERY 4 SECONDS If the alarm beeps and the amber fault light flashes every 4 16
4. REASON Follow the detailed instructions on the top of page 2 entitled What to do when the alarm sounds 1 Ensure there are no fuel burning appliances in the vicinity which could be leaking CO gas e g even from next door 2 Ensure there are no fumes in the area e g paint thinners hair spray chemical cleaners aerosol sprays etc 3 Ensure there is no outdoor source of CO in the vicinity e g a car with engine running heavy traffic heavy air pollu tion barbecue fumes etc 4 Press the test hush button to silence the alarm If the unit continues to sound it is possibly defective and should be replaced follow the instructions in section 5 on How to disconnect and remove your alarm and then see section 9 Getting the CO Alarm Serviced 5 TEST HUSH BUTTON DOES NOT SILENCE ALARMS If there are a number of alarms interconnected and they are all sounding pressing the test hush button on the unit sens ing CO i e the one with the red light flashing will silence the system Pressing any other test hush button will not silence the alarms The unit cannot be hushed at a level of 350ppm CO or greater 17 The CO Alarm case will feel slightly warm after it has been powered for a while This is normal as the alarm uses a sophisticated heated sensor to detect the CO gas Open unit by sliding cover up as shown in figure 1 Then remove the terminal block cover screw What to do when the Al
5. health from Carbon Monoxide CO poisoning CO is an invisible odourless tasteless and extremely toxic gas It is produced by appliances or vehicles burning fuels such as coal oil nat ural bottled gas paraffin wood petrol diesel charcoal etc CO is absorbed by red blood cells in the lungs in preference to oxygen this results in rapid damage to the heart and brain from oxygen starvation High levels of CO in a house can be caused by e Incorrectly or poorly installed fuel burning appliances e Blocked or cracked chimneys flues Blocked vents or draught proofing which makes areas with fuel burning appliances or fireplaces airtight Engines of cars lawnmowers etc left running in confined spaces e Portable paraffin or gas heaters in badly ventilated rooms 2 2 Symptoms of Carbon Monoxide Poisoning Most people know that high levels of CO are harmful howev er the period of exposure is also important The following symptoms are related to Carbon Monoxide poi soning and should be discussed with all members of the household Mild Exposure Slight headache nausea vomiting fatigue often described as flu like symptoms Medium Exposure Severe throbbing headache drowsi ness confusion fast heart rate Extreme Exposure Unconsciousness convulsions car diorespiratory failure death 11 In a bathroom or where the CO alarm may be exposed to water splashes or condensation e g above an electric ket
6. 820ft of wire can be used maxi mum resistance between detectors 50 ohms to interconnect the Carbon Monoxide Alarms The interconnect wires connect to the yellow and grey wires terminals 6 amp 7 and must be kept electrically isolated from the mains wiring for safety Relay Ei 225 with a suffix R only The relay wires terminals 1 2 amp 3 can be connected to suit able load in the normal way see Figure 6 maximum load 250VAC 8 Amps The relay contacts are electrically isolat ed Please note the relay is not latching i e it only stays switched while CO is being sensed When the CO clears the 9 that parts can fail Therefore you should test your CO Alarm weekly We recommend that the CO Alarm is replaced after 5 years operation Check the replace unit by date on the outside of the unit 5 CO Alarms are not a substitute for life insurance Householders are responsible for their own insurance The CO Alarm warns of increasing CO levels but we do not guarantee that this will protect everyone from CO poi soning 6 CO Alarms are not suitable as early warning Smoke Alarms Fire produces Carbon Monoxide but the response characteristics of these CO Alarms are such that they would not give sufficient warning of fire Smoke Alarms must be fitted to give early warning of fire 7 The CO Alarm does not detect the presence of natural gas methane bottled gas propane butane or other com bustible gases Fit c
7. GE NORMALLY CLOSED BROWN LIVE BLUE NEWTRAL YELLOW INTEAGORMECT 01 GAE NTEROORMECT H 4 Testing your CO Alarm 1 Regularly check that the green mains power light is on the unit cannot detect CO if the mains power is not on if it is off check circuit breakers fuses wiring etc 2 Test the unit weekly by pressing the test hush button 10 diesel charcoal etc with care and have them professionally installed and regularly maintained 3 These appliances must breathe in air to burn the fuel properly Know where the air comes from and ensure vents air bricks etc remain unobstructed particularly after building work 4 The appliances must also breathe out the waste gases including the CO usually through a flue or chimney Ensure chimneys and flues are not blocked or leaking and get them checked every year Check for excessive rust or cracks on appliances and pipework 5 Never leave your car motor bike or lawnmower engine running in the garage with the garage door closed Never leave the door from the house to the garage open if the car is running 6 Never adjust your own gas pilot lights 7 Never use a gas cooker or a barbecue for home heating 8 Children should be warned of the dangers of CO poison ing and instructed never to touch or interfere with the CO Alarm Do not allow small children to press the test hush but ton as they could be subjecte
8. Instruction leaflet MAINS POWERED CARBON MONOXIDE ALARMS Ei Pressan Read and retain carefully for as long as the product is being used It contains vital information on the operation and installation The leaflet should be regarded as part of the product If you are just installing the unit the leaflet must be given to the house holder The leaflet is to be given to any subsequent user MODEL Ei 225 Suffix letters indicate extra features C Interconnect R Relay Output Ei Electronics 2002 1 READ THIS FIRST P N B13073 4 WARNINGS 1 The Alarm should be permanently wired to the mains by a qualified electrician in accordance with IEE wiring reg ulations Do not locate the CO Alarm where it could be exposed to dripping splashing or condensation e g bathroom above an electric kettle etc Install the Carbon Monoxide Alarm CO Alarm in or near every room that contains a fuel burning appliance particularly rooms where people spend a lot of time e g bedrooms kitchens sitting rooms Install preferably on the ceiling 300mm from walls in rooms with an appliance Install between 1m to 3m hor izontally from appliance In rooms remote from the appliance install about 1 5m to 2m above floor level at breath level Regularly check that the green power light is on Important The CO Alarm will not work if the mains supply is off Test the unit weekly by pressing the test hush button The horn w
9. The CO Alarm is no substitute for keeping chimneys and flues clear and in good condition and all of your appliances serviced regularly according to the manufacturer s instructions Do not fit alarm until all building work is completed to avoid contamination British Standard BS7860 1996 gives the following advice Ideally you should have a detector in or near every room that contains a fuel burning appliance However if you have more than one appliance but only one detector you should take the following into consideration when deciding where best to put the detector 1 If there is an appliance in the room where you sleep you should put the detector in that room 2 If there is an appliance in a room that you use a lot e g a sitting room you should put it in that room 3 If you live in a bedsit put the detector as far away from the cooking appliances as possible but near to the place where you sleep 4 If the appliance is in a room not normally used e g a boiler room put the detector just outside the room so that you will be able to hear the alarm more easily Ideally you should have a detector in or near every room that contains a fuel burning appliance Figure 2 BEDROOM SITTING KITCHEN gt a ROOM iky Tl If they contain or are near a fuel burning appliance 3 2 Unsuitable Locations Do not place the CO Alarm in any of the following areas 1 Within 1 85 metres 6
10. ache fatigue dizziness nausea after 2 3 hours Frontal headaches within 1 2 hours life threatening after 3 hours also maximum parts per million in flue gas on an air free basis according to US Environmental Protection Agency Dizziness nausea and convulsions within 45 minutes Unconsciousness within 2 hours Death within 2 3 hours Headache dizziness and nausea within 20 minutes Death within 1 hour Headache dizziness and nausea within 5 10 minutes Death within 25 30 minutes Headache dizziness and nausea within 1 2 minutes Death within 10 15 minutes Death within 1 3 minutes g ppm parts per million OSHA Occupational Safety amp Health Association 2 3 What happens when your CO Alarm detects Carbon Monoxide When the Alarm detects dangerous levels of CO it sounds a loud alarm and flashes the red alarm light The BS 7860 1996 standard recommends that the CO Alarm should be at least 1 5 metres 5 ft above floor level see fig 3A and also the detector should be at least 1 85 metres 6 ft from the applianca Figure 3A BS 7860 1996 recommendation Warnings 1 The CO alarm should be installed by a qualified electrician in accordance with the IEE wiring regulations BS 7671 Failure to install this alarm correctly may expose the user to shock or fire hazards 2 Do not use the CO Alarm on an intermittent basis or as a portable detector for the spillage of combustion products fro
11. arm sounds 1 Open the doors and windows to ventilate 2 Turn off the appliance where possible and stop using the appliance The alarm can be silenced imme diately by pushing the test hush button 3 Evacuate the property leaving the doors and win dows open 4 Ring your gas or other fuel supplier on their emer gency number keep the number in a prominent place 5 Do not re enter the property until the alarm has stopped If the alarm has been silenced by pressing the test hush button wait at least 5 minutes so the alarm can check that the CO has cleared 6 Get medical help immediately for anyone suffering the effects of Carbon Monoxide poisoning headache nausea and advise that carbon monoxide poisoning is suspected 7 Do not use the appliance again until it has been checked by an expert In the case of gas appliances this must be a CORGI registered installer When the CO Alarm detects abnormal levels of CO above 150ppm CO for 30 minutes the horn sounds and the red light starts to flash At higher levels of CO the alarm will turn on sooner see table B The CO Alarm will automatically reset within about 2 5 minutes once the CO has cleared Pressing the test hush button resets the CO Alarm immediately if it has sensed about 150ppm CO the unit cannot be silenced if the level is about 350ppm CO If CO is still present the red alarm light and horn will turn on again after 2 5 minutes WARNING
12. ashes every 4 seconds it means the self checking circuitry may have detected a fault Press and hold the test hush button until the horn sounds and it resets the unit If the beeping starts again the Alarm is defective 3 If the Alarm fails to operate when the test hush button is pressed disconnect the mains supply at the distribution fuse board for 3 minutes re connect the mains and try again This procedure resets the microprocessor in the unit If the CO Alarm fails any of the above tests it must be replaced immediately see section 9 Getting the CO Alarm Serviced The CO Alarm is fully operational and will provide protection against a build up of carbon monoxide gas after it is connect ed to the mains supply The unit reaches its optimum per formance after it has been powered for 72 hours Testing with Carbon Monoxide It is recommended that the alarm is tested with actual Carbon Monoxide annually This can be done by using one of the pro priety kits that comes with CO either in a glass phial or aerosol can Follow the instructions on the kit and be sure the CO is retained in the unit for at least 6 minutes How to distinguish between CO Alarm and Smoke Alarm warnings The CO Alarm has a distinctive on off sound of 3 pulses fol lowed by a pause as compared with a typical Smoke Alarm which has a rapid pulsing sound In addition when your CO Alarm is sounding the red alarm light in the centre of the cover will
13. be flashing Testing both your CO Alarms and Smoke Alarms weekly will help you and your family to clearly distinguish between them in an emergency 5 Maintaining your CO Alarm Clean the outside case by occasionally wiping with a clean damp cloth disconnect the mains supply at the distribution fuse board first Do not use any cleaning agents bleaches detergents or polishes including those in aerosol cans Avoid spraying air fresheners hair spray paint or other aerosols near the CO Alarm Do not place air fresheners near 11 Electrical Safety Complies with BS 7860 1996 Electromagnetic Compatibility Complies with BS EN 50081 1 1992 and BS EN 50082 1 1992 Checks electronics and horn When the unit is alarming after sensing about 150ppm of CO pressing the test hush button will immediately stop the horn and turn off the red light With interconnect units the hush only works on the alarm sensing CO If CO is still present the red light and the horn will turn on again after about 2 5 minutes It can be only be hushed once at 150ppm CO It cannot be hushed at about 350ppm CO Test Hush Button Operating Temperature Humidity Range 5 C to 40 C 23 F to 104 F 15 to 95 R H non condensing 85dB A at 3m 10ft minimum Horn beep and amber fault light flashes every 4 seconds if a fault is found Audible Alarm Self Diagnostics Tamperproof Screwdrivers needed to unscrew
14. cleaner to remove fluff and other contamination from the cover slots to ensure CO gas can reach the sensor Caution Do not paint the CO Alarm Remove the CO Alarm when decorating Do not allow water or dust to contaminate the alarm see below Warning Do not open or tamper with the CO Alarm There are no user serviceable parts inside This can damage the unit and may expose the user to shock or fire hazards How to disconnect and remove the alarm 1 First disconnect the mains supply to the CO Alarm cir cuit at the distribution fuse board 2 Slide cover up as shown in figure 1 3 Unscrew the terminal cover screw 4 Disconnect the wires from the terminal block and make safe particularly if the circuit is going to be turned on again after the CO Alarm is removed 5 Unscrew from the wall 6 Limitations of CO Alarms 1 The Ei 225 CO Alarm will not work without mains power the green power light must be on at all times Carbon Monoxide must enter the unit for it to be detect ed There may be Carbon Monoxide in other areas of the house e g downstairs in a closed room etc but not in the vicinity of the CO Alarm Doors air draughts and obstructions can prevent the CO reaching the Alarm For these reasons we recommend CO Alarms are fitted both near and in bedrooms particularly if bedroom doors are closed at night Additionally in rooms where members of the household spend much of their time and in rooms with pote
15. d to excessive noise when the unit alarms 9 Leaving windows or doors slightly open even a few inch es will significantly reduce the risk of high levels of CO occur ring The high levels of draught proofing in modern houses reduces ventilation and allows dangerous gases to build up 10 Install CO Alarms in all areas recommended in this leaflet 11 Recognise that CO poisoning may be the cause when family members suffer from flu like symptoms when at home but feel better when they are away for extended periods 8 Technical Information 230410 VAC 50Hz 6 Watts Green light on Semiconductor Gas Senor Checks CO concentration every 2 5 minutes Temperature cycled between measurements to ensure high sensitivity to CO and also high immunity to false alarms from other gases Chemical filter on sensor enhances sensitivity and selectivity Operating Voltage Power Power on Indicator Sensor Meets or exceeds the CO sensi tivity specifications in BS 7860 1996 14 CO Sensitivity Figure 1 t TENH HAL SLO COVER E DONE FREES HERE CREN FIRST AHG SLE LF 2 Carbon Monoxide The Silent Killer 2 1 What is Carbon Monoxide Congratulations on becoming the owner of an Ei Carbon Monoxide Alarm This will help protect you and your house hold from the dangerous effects of Carbon Monoxide the silent killer CO is the chemical symbol Many are killed each year and many more suffer ill
16. ed appliances In rooms where the occupant spends most time In bedrooms 6 The Brown wire terminal 4 must be connected to the house wiring coloured red or brown or to a house terminal marked L The Blue wire terminal 5 must be connected to the house wiring coloured black or blue or to a house terminal marked N Not Suitu Conduit Figure 4 Locations for Surface Wiring The alarm does not need to be earthed however for conven ience a spare terminal is provided to hold an earth wire if present Interconnect Ei 225 with a suffix C only The interconnect wires can be used to interconnect up to 12 units Ei 225 with a suffix C so that when one unit senses Carbon Monoxide all alarm the unit sensing CO can be iden tified by its flashing red alarm light Connect all the grey wires terminal 7 together and all the yellow wires terminal 6 together as shown in Figure 6 These CO Alarms should be interconnected only within the confines of a single family living unit If they are connected between different units there may be excessive nuisance alarms Everybody may not be aware that they are being test ed or that it is a nuisance alarm caused by cigarettes etc Warning Do not interconnect these alarms to any other type of Ei alarm including smoke heat alarms or to any other model Doing this may damage the alarm and could result i a shock or fire hazard A maximum of 250 metres
17. feet of the appliance 2 Outside the building 3 In or below a cupboard 4 In a damp or humid area 5 Directly above a sink or cooker 6 Next to a door or window or anywhere that it would be affected by draughts 7 Where it would be obstructed by curtains or furniture 8 In an area where the temperature could drop below 5 C or rise above 40 C 9 Where dirt or dust could block the sensor and stop it work ing 10 Where it could be easily knocked or damaged or where it could be accidentally turned off or removed relay switches back to the standby position Therefore the automatically resetting relay must only be used to control appliances and or solenoid valves which do not require a latching relay Note If a CO Alarm with a relay Ei 225 with suffixes R amp C is interconnected to Ei 225C units then when the Ei 225C models sense CO then not only will the horn sound in the Ei 225RC models but the relay will switch also 7 After the terminal block is fully wired replace the terminal block cover and screw it on Then slide on the outer cover 8 Connect the mains power to the CO Alarm circuit The green power light should turn on Check the full operation of the CO Alarm as outlined below in Testing Your CO Alarm Figure 5 TERMINAL NGS WIRE ENTRY SLOT MOUNTING HOLES Figure 6 i FURFLI eORIMALLY OPEN iaa WHT Cia ORAN
18. ill sound and the red warning light will turn on 2 N K Table B CO Alarm Response CO Level Horn amp red Red Time to first ppm Light on within Alarm Light Symptom 0 ppm off ee 150 ppm Flashes every 2 sec 90 min 350 ppm Flashes every 0 5 sec 30 min Slight Headache Table B shows how the built in microprocessor reacts to dif ferent levels of CO gas and exposure time At higher lev els of CO the alarm turns on sooner The rate of flashing of the red light indicates the level of CO If your CO Alarm sounds follow the instructions on page 2 When ventilation is provided by leaving the windows and doors open the CO build up may have dissipated by the time help arrives and the alarm may have stopped sounding Although your problem may appear temporarily solved it is crucial that the source of the CO is determined and appropri ate repairs made NEVER IGNORE THE ALARM NOTE The CO Alarm may sound if cigarette smoke is blown into it or aerosols are released nearby 3 Where to place CO Alarms 3 1 Suitable Locations Ei Electronics recommends that the advice of the Health amp Safety Exectutive HSE UK is followed as this is based on research done at the BRE subsequent to the issueing of the BS 7860 1996 standard The Health amp Safety Exectutive HSE UK give the following recommendations for rooms where CO alarms should be located these are in order of priority In rooms with flueless or open flu
19. m fuel burning appliances or chimneys Precaution Do not install the actual alarm itself in new or renovated buildings until all work is completed including painting and the building has been fully cleaned Wiring can be installed when appropriate Excessive fumes from paints solvents cleaning agents etc may damage the sensor Procedure 1 Select a location complying with the above advice 2 Disconnect the AC mains supply from the circuit to be used 3 Slide off the cover as shown in Figure 1 Press gently in the centre to release the catches before sliding upwards 4 Remove the terminal cover screw and expose the connect ing terminals 5 a If the wires are coming directly out from the ceiling wall locate the wire entry slot over the wire and mark the two screw locations Screw the unit to the ceiling wall ensure screws do not penetrate buried wires The unit can also be screwed on to a standard recessed junction box if required Seal around the wires where they come out from the ceiling wall with silicone rubber or similar to prevent air draughts affecting the unit b If surface wiring is being used bring the wiring in from either of the vertical sides or the bottom as shown in Figure 4 Note surface wiring cannot be brought in from the top as it would be in the way of the cover sliding off and also might allow water to penetrate Screw the unit to the wall 8 the unit Use the narrow nozzle of a vacuum
20. mains cover over terminal block and to remove unit from wall Interconnect Up to 12 Ei 225C Alarms only can be interconnected so that when one senses CO all alarm with C suffix only Relay Output with R suffix only Built in relay is available with isolated contacts rated 8A 250Vac Ei 225R is identical to Ei 225 series otherwise Pulse relay switches back after 5 seconds with RP suffix only 135mm X 105mm X 71mm 330grams Dimensions Weight 9 Getting the CO Alarm Serviced If your CO Alarm fails to work after you have carefully read all 15 A high level of CO for a short period e g 350 ppm CO for 30 minutes will cause the same symptoms a slight headache as a lower level for a longer time e g 150 ppm for 90 min utes Table A shows how exposure to different concentrations of CO generally affects people Many cases of reported 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 leaving the building or calling for assistance Young children and household pets may be the first affected Table A Effects of Cumulative CO Exposure Concentration of CO in Air ppm4 Inhalation Time approx and Symptoms Developed The maximum allowable concentration for continuous expo sure in any 8 hour period according to OSHA Slight headache after 1 5 hours Slight head
21. ntial sources of CO gas The CO Alarm may not be heard The sound output is loud but it may not be heard behind a closed door or if it is too far away Interconnecting CO Alarms greatly improves the probability that they will be heard The Alarm may not wake up somebody who has taken alco hol or drugs The alarm sound may be masked by other sounds such as a T V stereo traffic noise etc Fitting CO Alarms on either side of closed doors will improve their chance of being heard This CO Alarm is not designed for people with impaired hearing CO Alarms don t last indefinitely CO Alarms are sophis ticated electronic devices with many parts Although the alarm and its component parts have undergone stringent tests and are designed to be very reliable it is possible 2 12 the instructions checked the unit has been installed correctly and is receiving AC power see How to disconnect and remove the Alarm in section 5 Return it for repair or replace ment This should be where it was purchased or alternative ly return it in a padded box to Customer Assistance and Information at the nearest address given on the CO Alarm or in this leaflet State the nature of the fault where the CO Alarm was purchased and the date of purchase 10 Five Year Guarantee Ei Electronics guarantees this Carbon Monoxide Alarm for five years from date of purchase against any defects that are due to faulty materials or workmanship
22. ombustion gas alarms to detect these WARNING APPARATUS CONFORMING TO THE BS 7860 1996 STANDARD MAY NOT PROTECT PEO PLE WHO ARE AT SPECIAL RISK FROM CARBON MONOXIDE EXPOSURE BY REASON OF AGE PREG NANCY OR MEDICAL CONDITION IF IN DOUBT CON SULT YOUR MEDICAL PRACTITIONER A CARBON MONOXIDE DETECTOR IS NOT A SUB STITUTE FOR A SMOKE ALARM OR A COMBUSTIBLE GAS DETECTOR 7 How to Protect your Family Follow these guidelines to reduce the risk of Carbon Monoxide poisoning 1 Know and look out for tell tale signs that Carbon Monoxide may be present These include The CO Alarm warning of abnormal levels Staining sooting or discolouration on or around appliances A pilot light frequently going out A strange smell when an appliance is working A naked gas flame which is yellow or orange instead of the normal blue Family members including pets exhibiting the flu like symptoms of CO poisoning described above If any of these signs are present get the appliance checked out by an expert before further use If family members are ill get medical help 2 Choose all appliances and vehicles which burn fossil fuels such as coal oil natural bottled gas paraffin wood petrol 13 seconds the CO sensor is possibly defective Press the test hush button to reset the unit If the beeping and the amber light flashing re occurs after 2 5 minutes the unit is defective 4 ALARM SOUNDS FOR NO APPARENT

EI-225E-User-Manual

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