valutazioni - 3, GPA: 4.7
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Facilità d'uso
This unit can be stored to -10 degrees Fahrenheit without harm to the alarm but it must be above 40 degrees Fahrenheit for use. • Do not place behind curtains or furniture. CO must be able to reach the sensor for the unit to accurately detect CO. • DO NOT locate Alarm within 5 feet (1.5 meters) of any cooking appliance. • Be aware that certain conditions can result in transient CO situations, such as: i) Excessive spillage or reverse venting of fuel-burning appliances caused by: 1) outdoor ambient conditions, such as wind direction and/or velocity, including high gusts or wind and insufficient draft in vent pipes; 2) negative pressure differential resulting from the use of exhaust fans; 3) simultaneous operation of several fuel-burning appliances competing for limited internal air; 4) loose vent pipe connections from fuel-fired appliances; 5) obstructions, or unconventional vent pipe designs which can amplify the above situations; 6) poorly designed and maintained chimneys and/or vents; ii) extended operation of unvented fuel-burning devices (range, oven, fireplace, etc.); iii) temperature inversions which can trap exhaust near the ground; and iv) car idling in an open or closed attached garage, or near a home. Features and Operation of Digital Display Model Your new Kidde Battery Powered CO Alarm utilizes sophisticated electronic components to protect you and your family from the dangers of CO. Unique features include a digital display capable of displaying CO concentrations in (PPM) Parts Per Million and the highest levels of CO detected. Familiarize yourself with these features: Digital Display Backlight Feature To help see the displayed reading in the dark, a backlight appears when the peak level button is pressed. Digital Display - Shows CO level in PPM Your Kidde CO alarm continuously displays a digital readout of the CO level in Parts Per Million (PPM). The digital display is capable of detecting and displaying readings between 30 and 999 (PPM). A reading of 0 PPM is expectedunder normal conditions (see figure 2). Figure 2 You will become accustomed to glancing at the display in much the same manner as you look at a thermometer or clock. The unit will not automatically display reading below 30 PPM. However, readings between 11 and 999 PPM will be stored in the Peak Level Memory. Features and Operation of Digital Display Model (cont.) Other Possible Displays and Their Meanings The following symbols will appear on the display during normal or error operations, and are explained below. Normal Operation Normal operation (see figure 3) with a full battery. The dot in the lower right corner cycles on and off every 5 seconds. If CO is present the display will indicate the reading in Parts Per Million (PPM). Figure 3 Normal Operation following Power-up or Reset Figure 4 shows the normal display immediately after installing batteries or after the test/reset button is pressed. The display should change to the normal display (see figure 3) approximately 30 seconds after pressing the test/reset button. Figure 4 (see Test/Reset Button page 13). If the test/reset button is pressed, the alarm will sound. The display will show a number during the time that the alarm is sounding. This number is a normal part of the test function, and does not indicate a CO reading. Peak Level Display When the peak level button is pressed and held, the display shows the highest CO reading taken by the CO alarm since its last peak level reset or power-up(Example shown in Figure 5). The backlight will illuminate for several seconds after the peak level button is pressed to help see the Figure 5 reading. Although the peak level feature will display levels below 30 PPM, these levels will not result in an alarm no matter how long the device is exposed to these levels. 10 11 Features and Operation of Digital Display Model (cont.) Peak Level Display (Cont.) The peak level feature is helpful in identifying low level CO occurrences below 30 PPM. Although the unit will not automatically display levels below 30 PPM, it will detect and store these readings in memory. By pressing the peak level button, concentration levels as low as 11 and up to 999 PPM will be displayed. Concentrations of CO between 0 and 30 PPM can often occur in normal, everyday conditions. Concentrations of CO below 30 PPM may be an indication of a transient condition that may appear today and never reappear. Just a few examples of conditions and/or sources that may cause low level readings are heavy automobile traffic, a running vehicle in an attached garage, an appliance that emits CO when starting up, a fire in a fireplace or charcoal in a nearby barbecue. A temperature inversion can trap CO generated by traffic and other fuel burning appliances causing readings of CO. Some CO conditions may start out as low level leaks but could develop into CO concentrations that could become harmful. If this happens, the CO alarm will detect the dangerous level and alarm, notifying you a...
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