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The Blue wire (terminal 4) must be connected to the house coloured blue or to a house terminal marked “N”. The alarm does not need to be earthed, however for convenience a spare terminal (no. 5) is provided to hold an earth wire if present. 7. Turn on the mains power to the CO Alarm circuit. Figure 5 - Surface Wiring Figure 6 - Recessed Wiring Conduit Not Suitable Locations for Surface Wiring 17 Ei220EN (Only) 1. Slide the cover off as shown in Figure 7 to expose the mounting screw holes. 2. Cut a notch in the back sidewall (on the centre of either side the power cord) to allow the unit to lie flush against 3. Mark the two screw locations. Drill suitable holes (6mm drill) then insert the plastic anchors and screw the unit to the ceiling/wall. 4. Insert the plug into a suitable socket. Warning: Do not open (apart from the cover shown in fig-ure 7) 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. Figure 7 Figure 7 18 6. TESTING YOUR CO ALARM (1) Regularly check that the green mains power light is on. The unit cannot detect 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. Hold the test button (for up to 10 seconds) until 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 horn are working correctly. ( If the red alarm light flashes when the button is pressed - see CO Alarm Memory section on page 10. (3) If the CO Alarm gives a short beep and the amber fault light flashes every 40 seconds it means the self-checking circuit has detected a fault. Press and hold the test/hush button. If the amber light flashes without the horn sounding, the sensor is faulty. (4) 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). (5) If the CO Alarm fails any of the above tests it must be replaced immediately (see section 11 “Getting the CO Alarm Serviced” on page 28). Testing with Carbon Monoxide The unit can be tested with CO by using one of the kits that comes with CO either in a glass phial or aerosol can. Follow the instructions on the kit. It is best if possible to 19 inject the CO gas holes, see Figure 1. When it senses the flashes the red light Table B) to confirm that is detecting CO How to distinguish between Warnings The CO Alarm has a distinctive on-off sound of 3 pulses, followed 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 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. 7. MAINTAINING YOUR CO ALARM Clean the outside case by occasionally wiping with a clean damp cloth, (after first disconnecting the mains supply on an Ei225EN unit at the distribution/fuse board or by unplugging the Ei220EN unit). 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 the unit. Use the narrow nozzle of a vacuum 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. 20 Remove the CO Alarm when decorating. Do not allow water or dust to contaminate alarm. Warning: Do not open or tamper There are no user serviceable parts. This can damage the unit expose the user to shock or fire hazards. END OF LIFE When the unit has completed up of operation the amber light will flash every 40 seconds. The entire unit must then be replaced. It must also be replaced when the date on the ‘Replace unit by’ label on the side wall is exceeded. Product Disposal The crossed out wheelie bin symbol on the product not be put into household waste. Please recycle where facilities exist. Check with your local authority or retailer for recycling advice. The date code on the product indicates when the product was manufactured e.g. 05W40 means week 40 in the year 2005. How to disconnect and remove the alarm: Ei225EN only 1. First disconnect the mains supply to the CO Alarm circuit at the distribution / fuse board. 2. Slide cover up as shown in figure 1. 21 3. Unscrew the terminal cover screw. 4. Disconnect the wires block and make safe, particularly if the circuit is going to be turned on again after the CO is removed. 5. Unscrew from the wall. Ei220EN only 1. Unplug the unit. 2. Slide cover up as shown in figure 7. 3. Unscrew from the wall. 8. LIMITATIONS OF CO ALARMS (1) The CO Alarm will not w...

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