Contents
1. Introduction .............................................................................. 1
1.1 Product overview .............................................................. 1
1.2 Safety information ............................................................ 1
1.3 Storage instructions .......................................................... 2
1.4 Product labels ................................................................... 2
1.5 Product dimensions .......................................................... 3
1.6 Exploded view .................................................................. 4
2. Installation ................................................................................ 5
2.1 Location ........................................................................... 5
2.2 Mounting ......................................................................... 6
2.3 Internal Electrical Connections .......................................... 6
2.4 General Cabling Requirement .......................................... 7
2.5 Cabling Requirement 4 to 20 mA Current Loop ............... 7
2.6 Cabling Requirement Multidrop MODBUS ........................ 8
2.6.1 Calculating acceptable cable length and detector
quantities ................................................................. 9
2.7 Earthing requirements .................................................... 12
2.8 Cable glands .................................................................. 12
2.9 Fitting accessories ........................................................... 15
3. Operation ............................................................................... 16
3.1 Operation panel ............................................................. 16
3.2 Key Operation ................................................................ 16
3.3 Start up .......................................................................... 17
3.4 Menu functions .............................................................. 18
3.5 Zero ............................................................................... 19
3.6 Calibrate
....................................................................... 19
3.7 Routine maintenance ..................................................... 20
3.8 Sensor replacement ........................................................ 20
3.9 IR Carbon Dioxide .......................................................... 21
3.10 PID ................................................................................. 22
3.11 Maintenance and cleaning of the PID sensor: ................. 22