Faraday MPC-1500 Plus Owner's Manual
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Contents
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1 2 5 3 0 / 1 2 5 4 0 O W N E R ' S M A N U A LP/N 447203 Issue I VII-1VII. MAINTENANCEGENERAL• Device sensitivity may be read out and alarm thresholds controlled on a per-point basis, as well assetting overall percent obscuration and day/night variations. Individual points may also be disabledfor service.To perform these functions on the unit, enter the 4-digit maintenance password into the control unit orLCD annunciator. When the menu is displayed, select the desired function or sub-function and press theappropriate operating button. When the function is complete, the menu will provide a command forexiting the maintenance mode.Note that any abnormal condition, such as disabled points, will report atrouble. Confirmation of disabling or re-enabling a point is required tocomplete the action, but acknowledgment of the trouble is not required, sinceit results from operator action.Activation of an alarm condition or a time-out after no button activity terminates Maintenance mode.• The system may automatically scan the operating points and report to a printer, facilitating NFPA 72test requirements. The control unit may perform this scan once a day, with the time selectable by theuser.To initiate a non-programmed automatic test cycle, enter the 4-digit maintenance password into thecontrol unit or LCD annunciator. When the menu is displayed, select Auto-test and press the associatedswitch. The Auto-test cycle will be completed and the control unit returns to normal. Results will bedisplayed on the display (anomalies only) or the printer (full data) according to the selected mode.• The system will automatically monitor drift of quiescent sensor output levels and report amaintenance alert if a preset level is passed, or if a sensor drifts too quickly. This maintenance alertis annunciated as a trouble.• The system may be programmed to report the number of times the alarm verify function is initiated bydevice, time of day, and/or day of week, allowing location of environmental problems. This datum isavailable on the display as described in paragraph 1 above.• The system may be programmed to alert the operator when scheduled maintenance is required.• A 2000 event history is maintained, with all events available for chronological review at the operatorlevel. This history may be cleared only with the Tech Level Code. For details on included data anduse of the history, see operation instructions.To clear history when data has been read out and restoration of memory space is desired. Activatemaintenance mode as described above and follow menu instructions for clearing the event history. |
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