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Maintenance instructions – Spectrex 20/20MI - Mini Triple IR (IR3) Flame Detector User Manual

Page 42

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Spectrex Inc. - SharpEye

TM

Mini IR3 Flame Detector Manual – TM 787100, Rev. D April 2011

34

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

The detectors’ 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 viewing window and the
reflector Flame Detector must be cleaned on a periodic basis. 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,

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 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