Trouble condition is indicated by the illumination of the common trouble lamp and the energizing of the troublebuzzer. The trouble buzzer may be silenced by operating the trouble silence switch. Operation of the troublesilence switch illuminates the trouble silence lamp. If the trouble condition is cleared while the trouble silenceswitch is in the off-normal position, the trouble buzzer will resound until the trouble silence switch is restored to itsnormal position.7.10BlowerSelectionSwitchTo provide the continuous operation availability of the smoke detector for the duration of the voyage, the suctionblower assembly is equipped with two identical blower motor assemblies, either one of which operates thesystem.The selection of Blower No. 1 or Blower No. 2 is made by means of the blower selecting switch on the smokedetector electronics drawer on the front panel.In the event the blower failure trouble lamp is illuminated, the blower selecting switch should be set to the otherblower.Some ships customarily operate both blowers on an alternating basis with Blower No. 1 operated on odd daysand Blower No. 2 operated on even days.7.11Power Failure AlarmThe power failure alarm is energized in the event of:a.Loss of AC power on Line 1 or the opening of Fuse 1 orb.The simultaneous failure of both Power Supply Nos. 1 and 2.Power failure alarm consists of the illumination of the power failure alarm lamp on the front panel plus theenergizing of the trouble buzzer.The trouble buzzer is silenced by operating the power failure alarm silence switch. Operating the switchilluminates the power failure alarm silence lamp.If power is restored while the power failure alarm silence switch is in the off-normal position. the trouble buzzerwill resound until the switch is returned to its normal position.7-8
Integrated Publishing, Inc. - A (SDVOSB) Service Disabled Veteran Owned Small Business
