ANALOX ACG+, Руководство по обслуживанию и устранению неисправностей

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ACG+
Service & Troubleshooting Manual
Int. Approved
Document ref: P0149-825-00 October 2022 Page 3 of 37
Copyright © 2022 Analox Ltd. All Rights Reserved.
Commercial in Confidence
Table of contents
1 Safety information ................................................................................................. 6
1.1 Electrochemical sensors (oxygen and carbon monoxide) .................................................. 6
1.2 PID lamp cleaning kit ............................................................................................................ 7
2 Introduction ............................................................................................................ 8
3 Recommended spares and accessories ................................................................ 9
3.1 Service requirements ........................................................................................................... 11
4 Maintenance .......................................................................................................... 12
4.1 Sensor & filter replacement ............................................................................................... 12
4.1.1 Oxygen cell replacement ............................................................................................................................... 13
4.1.2 Carbon monoxide cell replacement .......................................................................................................... 16
4.1.3 Replacing the CO cell PCB (MEC-233B) ................................................................................................... 18
4.1.4 VOC maintenance ............................................................................................................................................. 22
4.1.5 Water vapour sensor replacement ............................................................................................................. 25
4.2 Filter replacement................................................................................................................ 26
4.2.1 Activated charcoal filter replacement ....................................................................................................... 26
4.2.2 Particulate filter replacement ....................................................................................................................... 27
4.3 Service requirements ........................................................................................................... 27
4.3.1 Replacing the flow adaptor orings ............................................................................................................. 28
4.3.2 Replacing the PID cell ..................................................................................................................................... 28
4.3.3 Replacing the PID cell PCB (MEC-233C) .................................................................................................. 30
5 FAQ’s (most common solutions) ........................................................................ 35
5.1 Recommended calibration gas concentrations ................................................................. 35
5.2 Maintenance schedule of ACG+ components ................................................................... 35
5.3 CO
2
sensor range fault ........................................................................................................ 35
5.4 VOC Sensor cannot calibrate .............................................................................................. 36
5.5 COMMS................................................................................................................................. 36
5.6 COSHH Regulations ............................................................................................................. 37
5.7 Heliox/Trimix mixes ............................................................................................................ 37
5.8 Nitrox gas mixes .................................................................................................................. 37