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5.4
Main Probe Assembly Installation................................................................................... 25
5.4.1
General Description..................................................................................................... 25
5.4.2
Mounting Bracket........................................................................................................ 26
5.4.3
Support Pole ................................................................................................................ 28
5.4.4
Types of DO wet end Assembly ................................................................................. 28
5.5
Assembly of Makareth DO wet end.................................................................................. 30
5.5.1
Fitting the pneumatic cylinder to the plastic (ABS) pole............................................ 30
5.5.2
Fitting the sensor extension to the pole assembly ....................................................... 30
5.5.3
Fitting the sensor head and cable to the sensor extension........................................... 31
5.5.4
Fitting the Makareth DO Cell ..................................................................................... 31
5.5.5
Fitting the calibration shroud/ball ............................................................................... 33
5.5.6
Connecting the pneumatic tubes ................................................................................. 34
5.5.7
Sealing the pole (Makareth wet end only) .................................................................. 34
5.5.8
Securing the pneumatic blue tube and the sensor cable .............................................. 35
5.5.9
Air Supply ................................................................................................................... 35
5.6
Assembly of Clark DO wet end......................................................................................... 37
5.6.1
Fitting the pneumatic cylinder to the plastic (ABS) pole............................................ 37
5.6.2
Fitting the sensor extension to the pole assembly ....................................................... 37
5.6.3
Fitting the sensor head and cable to the sensor extension........................................... 37
5.6.4
Fitting the Clark type cell............................................................................................ 39
5.6.5
Fitting the calibration shroud/ball ............................................................................... 40
5.6.6
Connecting the pneumatic tubes ................................................................................. 40
5.6.7
Air Supply ................................................................................................................... 40
5.6.8
Fitting the plastic 90° bend ......................................................................................... 40
5.7
Wiring Details................................................................................................................... 41
5.7.1
Power Connections...................................................................................................... 41
5.7.2
Main System Assembly and Local Control Box interconnections ............................. 43
5.7.3
Sensor cable connection .............................................................................................. 51
5.8
6
Pneumatics Connections ................................................................................................... 51
COMMISSIONING PROCEDURE .............................................................................53
6.1
Pre-commissioning checks................................................................................................ 53
6.2
Power up............................................................................................................................. 55
7
7.1
OPERATION ..............................................................................................................59
Normal mode of operation................................................................................................ 60
7.2
DO Autocalibration / Clean Cycle ................................................................................... 64
7.2.1
Autocalibration Cycle ................................................................................................. 64
7.2.2.
Cleaning Cycle ............................................................................................................ 67
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AZTEC SERIES 5000 DISSOLVED OXYGEN SYSTEM