Spectrex 20/20SH - Hydrogen Flame Detector - Manual (Page 6)

Spectrex Inc. - SharpEye TM Hydrogen (SH) Flame Detector Manual – TM 784600, Rev. A, May 2005
II
7.5 S AFETY P RECAUTIONS .................................................................................34
8. Maintenance Instructions .................................................................. 35
8.1 S COPE ........................................................................................................35
8.2 M AINTENANCE I NSTRUMENTATION AND P ERSONNEL .......................................35
8.3 P REVENTIVE M AINTENANCE P ROCEDURES .....................................................35
8.4 P ERIODIC M AINTENANCE P ROCEDURES .........................................................35
8.4.1 Power-Up Procedure ..........................................................................35
8.4.2 Functional Test Procedure..................................................................35
8.5 M AINTENANCE R ECORDS ..............................................................................36
8.6 T ROUBLESHOOTING .....................................................................................36
8.6.1 Fault Indication ...................................................................................36
8.6.2 False Alarm or Warning Indication ......................................................36
Appendix A - Wire Selection Tables ..................................................... 37
Appendix B – Typical Wiring Configurations....................................... 39
Appendix C – RS-485 Communication Network .................................. 43
Appendix D - Mounting the “EExde approved” version...................... 45