Assessments - 3, GPA: 4.3
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The transmissions are frequency modulated (FM) and use Manchester coding to ensure robust signal integrity and avoid signal noise interference The RF range can be extensively improved by converting the alarm into a “repeater” i.e. re-transmission of the RF signals. The Ei405 series alarms can be used as a stand alone wireless interconnect system or be incorporated into existing home security systems The Ei405 has other advanced features such as high performance optical chambers fitted with integral insect screens to reduce the chances of false alarms, as well as the ability to wireless interconnect up to twelve alarms to allow all alarms to sound if just one of the interconnected alarms should be triggered. The Ei405 has built in circuitry to aid suppression of voltage transients and RF interference to further reduce the chances of false alarms under such conditions Operation The red indicator will flash every 40 seconds to show that the detector has performed an automatic self test In normal standby mode the blue indicator will light to indicate transmission of an RF signal In code mode, the blue indicator will flash to indicate the number of other RF alarms that have been “learned” in the system The red indicator will flash rapidly to show an alarm condition for the smoke detector The “Test/Hush” button will either silence false alarms or perform a unit self test In “Hush” mode the alarm enters a ten minute period of reduced sensitivity and the red light flashes every 10 seconds and then resets When interconnected to other Ei mains powered alarms, an alarm on one detector will trigger all other interconnected alarms within one second (only the triggered alarm will flash a red indicator) The smoke detector will emit a beep and the red light flashes every 40 seconds to indicate that the battery is depleted and needs to be changed Shannon Free Zone, Shannon, Co. Clare, Ireland. Ph.+353 61 471277 Fx.+353 61 471053 Email. eielectronics@eiltd.ie Web: E & OE As our policy is one of continuous product development, we reserve the right to alter product details without prior notice. Ei405 DataSht RevB Model Ei405 RF Optical Model Ei405 RF Optical Technical Specification Sensor Optical, uses light scatter from Power-On Indicator: Red light flashes every 40 seconds smoke Alarm: Electronic Piezoelectric horn Sensitivity: Complies with BS 5446 Part 1: 2000 Alarm Sound Output: 85dB (minimum) at 3m Automatic Self-Test: Smoke Chamber is tested every 40 Alarm Status: Red LED flashes every second on Sec. and unit beeps (without LED unit sensing fire flash) if it is degraded. Temperature Range: 00 to400 C Supply Voltage: 9V alkaline battery Humidity Range: 15% to 95% Relative Humidity RF Range1 : 150 meters (min) free space Interconnect: Up to 12 RadioLINK products RF Visual Indicator: Blue light flashes continuously for Plastic material: UL94VO flame retardant 1.5 to 3.5 seconds while transmitting RF signal Warranty: 5 year (limited) warranty RF Frequency: 868.499MHZ (1% duty cycle) Approvals: Kitemarked to BS EN 14604: 2005, CE Approved RF Power: +5dBM Dimensions: 152mm diameter x 50mm depth Specifications are subject to change Weight: 286g 1. Any obstructions of any sort will result in a reduction in range from the free space specification. As such, the actual range will vary depending on installation. House Code Procedure 1. Connect the battery Installation & Placement 2. Hold the house code switch (with a small screwdriver) until the blue light turns on and then release 3. Similarly, place other alarms into house code mode 4. Check that the number of blue flashes (on each alarm) corresponds to the number of alarms in your system 5. Remove all alarms from house code 6. Button test each alarm to check your system Place the mounting plate on the ceiling/wall and mark the screw holes. Drill with a suitable drill bit, insert the screw plugs and screw the plate into position. Simply connect the battery on the alarm and slide into position on the mounting plate. The RF alarms should be house coded to prevent possible interference from neighbouring installations – see instructions for more details. Alarms should be placed in accordance with the general guidelines shown in the diagram above. These recommendations are based on the problem of areas of “dead air” close to corners of rooms and apexes of ceilings, which could result in the prevention of smoke reaching the smoke detector Shannon Free Zone, Shannon, Co. Clare, Ireland. Ph.+353 61 471277 Fx.+353 61 471053 Email. eielectronics@eiltd.ie Web: E & OE As our policy is one of continuous product development, we reserve the right to alter product details without prior notice. Ei405 DataSht RevB ...