Fire Mode 13-1AC30V series Variable Speed DriveChapter 13: Fire ModeCautionWhen Fire Mode is active the Drive and Motor protection trips are disabled. The use of Fire Mode itself increases the risk of causing a fire byoverloading the drive or motor, so it must only be used after assessing the risks.Intended UseFire mode is intended for use in critical situations where it is imperative for the motor to be kept running if at all possible. In such a situation it maybe reasonable to override the drive’s normal protective functions. An example of a critical situation may be a ventilation fan in a stairwell, wherecontinued operation in the event of a fire may assist the safe evacuation of personnel.SummaryWhen Fire Mode is enabled the drive firmware attempts to keep the drive running wherever possible. If the drive was running when Fire Modewas activated it will continue to run. If the drive was stopped when Fire Mode was activated then the Fire Mode firmware will attempt to start it.While Fire Mode is enabled the majority of trips will be ignored, (possibly leading to damage to the drive, motor or attached equipment). If one ofthe remaining enabled trips does occur then the Fire Mode firmware will wait until the trip source has become inactive and will then restart thedrive.When Fire Mode is deactivated the drive will return to its previous sequencing mode. If the drive was running in Local mode the motor will bestopped. If the drive was running in remote terminals or remote communications mode the drive will continue running according to the relevantcontrol word, (refer to Appendix B).www.comoso.com
