Chapter 6: Maintenance
50 Stratos EX Hazardous Area Aspirating Smoke Detection System Installation Manual
Introduction
This chapter contains maintenance instructions for the EX aspirating smoke
detection system. These procedures should be performed on a scheduled basis.
In the event that system problems are found during routine maintenance, refer to
“Troubleshooting” on page 46. Failure to properly maintain the system may affect
the functioning of the system.
Maintenance
The EX detector is a very low maintenance detection system. If required, external
cleaning of the unit should be performed using a damp (not wet) cloth. Do not
use solvents. The only part that may require field replacement during servicing is
the dust separator assembly. The dust separator condition can be reviewed
under the Miscellaneous tab of the Remote Configuration Software Function
settings screen (shown below) which gives a percentage reading of dust
separator efficiency. When this level drops to 80% the detector will signal a fault
and the dust separator will need replacing.
Alternatively a separator change date may be entered under the Miscellaneous
tab of the Function settings. On the designated date a 'separator change' fault
will be signaled, in this configuration a separator replacement can be made to
coincide with other planned maintenance of the fire alarm system. This feature
would typically be used in particularly hostile environments where an increased
frequency of separator changes is required
Figure 20: Function settings
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