
iiiINSTALLATION AND OPERATION MANUAL – OWNER'S RECORD FFD MANUAL – FILTER FAILURE DETECTOR
5.2.2 Location Requirements............................................................................................................................................ 8
5.2.3 Cabling Guidelines ................................................................................................................................................... 8
5.2.4 Grounding the Sensor .............................................................................................................................................. 9
5.2.5 Running Cables between Sensor and Power Supply............................................................................................. 9
5.3 Mounting the Sensor........................................................................................................................................................... 10
5.3.1 Safety Information .................................................................................................................................................... 10
5.3.2 Fitting the Sensor to the Stack................................................................................................................................ 10
5.4 Connecting the Sensor........................................................................................................................................................ 11
5.4.1 Safety Information .................................................................................................................................................... 11
5.4.2 Sensor Connections ................................................................................................................................................. 11
5.4.3 Relay Outputs ........................................................................................................................................................... 12
5.4.4 4–20 mA Output ........................................................................................................................................................ 12
5.4.5 Connecting the Power Supply.................................................................................................................................. 13
6 Setting up the FFD.............................................................................................................................................................. 14
6.1 Safety Information ............................................................................................................................................................... 14
6.2 Control Panel Overview....................................................................................................................................................... 14
6.3 Setup Procedure.................................................................................................................................................................. 15
6.3.1 Changing the Sensor Sensitivity.............................................................................................................................. 18
7 Operation ............................................................................................................................................................................ 20
7.1 General Operation ............................................................................................................................................................... 20
7.2 Alarm Operation .................................................................................................................................................................. 20
8 Maintenance ....................................................................................................................................................................... 21
8.1 Safety Information ............................................................................................................................................................... 21
8.2 Preventative Maintenance Programme ............................................................................................................................. 21
8.3 Sensor Handling in Hazardous Areas ................................................................................................................................ 22
8.3.1 Removing the Sensor from the Stack ..................................................................................................................... 22
8.3.2 Opening the Sensor Enclosure in a Hazardous Area............................................................................................. 22
8.4 Cleaning the Sensor............................................................................................................................................................ 22
8.5 Troubleshooting................................................................................................................................................................... 23
8.5.1 General...................................................................................................................................................................... 23
8.5.2 Alarms....................................................................................................................................................................... 23
9 Technical Data .................................................................................................................................................................... 24
9.1 Process and Application Conditions................................................................................................................................... 24
9.1.1 User Controls and Functions................................................................................................................................... 24
9.2 Sensor Specification............................................................................................................................................................ 24
9.2.1 Dimensioned Drawing – Sensor.............................................................................................................................. 25
9.3 Sensor Options .................................................................................................................................................................... 25
9.4 Cabling ................................................................................................................................................................................. 25