Spectrex 20/20MU - Mini Flame Detector - Manual (Page 40)

Spectrex Inc. - SharpEye TM ML & MU Flame Detector Manual – TM 767100, Rev. A, April 2005
32
8. Maintenance Instructions
8.1 Scope
This Section deals with preventive maintenance, describes possible faults in
detector operation and indicates corrective measures. Ignoring these instructions
may cause problems with the detector and may invalidate the warranty. Whenever
a unit requires service, please contact the manufacturer or its authorized
distributor for assistance.
8.2 Maintenance Instrumentation and Personnel
Detector maintenance requires ordinary tools and suitably qualified personnel,
who should be familiar with local codes and practices.
8.3 Preventive Maintenance Procedures
The detector must be kept as clean as possible. The detector’s viewing window
and the reflector must be cleaned periodically. The frequency of cleaning
operations depends upon the environmental conditions and specific applications.
The fire detection system designer will give his recommendations.
1 Disconnect power to the detector before proceeding with any maintenance
including lens cleaning.
2 To clean the detector viewing window and reflector, use water and detergent
then rinse with clean water.
3 Where dust, dirt or moisture accumulates on the window, first clean with a soft
optical cloth and detergent then rinse with clean water.
8.4 Periodic Maintenance Procedures
In addition to preventive cleaning and maintenance, the detector should be
functionally tested every six months. This test should also be carried out if, for any
reason, the detector has been opened.
8.4.1 Power-Up Procedure
Perform Power-Up procedure every time power is restored to the system. Follow
the instructions in paragraph 7.2.
8.4.2 Functional Test Procedure
Perform a functional test of the detector as described in paragraph 7.4.
8.5 Maintenance Records
It is recommended to record maintenance operations performed on a detector in a
system Log-book. The record should include information, which identifies the unit,
the installation date, contractor, and entries for every maintenance operation
performed including the description of the operation, date and personnel ID. If a