Crowcon Gasmaster Contents
i
4.2 System Inhibit ...............35
4.3 Detector Calibration ..........36
4.4 Changing Batteries ...........36
4.5 Module Replacement .........36
4.6 Event logging ...............36
4.7 Service card.................36
4.8 Cleaning ...................36
5. Adding an input module ........... 37
Appendix A: Specifications ............ 38
Appendix B: Spare Parts and Accessories . 39
Appendix C: Display characters ......... 40
Warranty Statement ................. 41
Regional addresses .................. 42
1. Introduction ..................... 1
1.1 About Gasmaster .............1
1.2 About this manual.............1
1.3 Instructions for use as part of an
ATEX approved system .........2
2. Installation ...................... 3
Please read this first................3
2.1 Before installation . . . . . . . . . . . . . 4
2.1 General .....................4
2.3 Mounting ...................5
2.4 Cabling requirements ..........5
2.5 Installing gas and fire detectors...6
2.6 Installing output devices ........6
2.7 Connecting mains power .......6
2.8 Connecting input devices .......7
2.9 Connecting output devices .....11
2.10 Applying power..............13
2.11 Battery back-up times .........13
2.12 Commissioning ..............14
3. Operation ...................... 17
3.1 Gasmaster Operator Panel......17
3.2 Gasmaster start up sequence ...19
3.3 How to adjust display contrast ..19
3.4 How to display Instrument serial
number and system identity ....19
3.5 Using the menu system ........20
3.6 Inhibiting channels ...........20
3.7 Using the Control Panel in
Supervisor Mode .............21
3.8 In the event of an alarm .......22
3.9 mV channels: Pellistor saver mode 22
3.10 In the event of a fault .........23
3.11 System Configuration .........23
4. Maintenance .................... 35
4.1 Functional Testing ............35
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