Nov-21
Page 114 of 132
59812-K001 Rev 10
6.1.1
Main Control Processor PCB Replacement
1.
Prior to powering down the Mk6 OMD system use read and make note of the parameters below.
These values will need to be re-entered into any replacement Main Control Processor PCB.
a.
The number of engines.
b.
The number of Detectors connected to each engine,
c.
The Average Alarm level for each engine.
d.
The Deviation Alarm levels for each detector.
Average Alarm: adjustable between 0.3 - 1.3mg/l
(Factory Default level of 0.7mg/l).
Deviation Alarm level: adjustable between 0.05
–
0.5mg/l
(Factory Default level of 0.3mg/l).
2.
Power down the system.
3.
Remove all connectors, PLG1, PLG2, PLG4, PLG5, PLG8, PLG9 and PLG1O noting the orientation.
4.
Remove the 8 fixing screws and washers.
5.
Remove the PCB.
Figure 160
Control Panel Main Control Processor Board
Removed
6.
Fit the replacement PCB with the 8 fixing screws and washers, re-fit all connectors.
7.
Switch on system and allow it to initialise.
8.
Re-program the system to the required configuration.
Note: After changing the Processor PCB, it may be necessary to adjust gain control R2 to ensure the
clarity of the LCD.
6.1.2
LCD Display Replacement
To replace the LCD follow the steps detailed in section 5.2.15
6.1.3
Status Display PCB Replacement
1.
Power down the system.
2.
Remove the Main Control Processor Board as described in section 6.1.1
3.
Remove all connectors, PLG1 PLG4 noting the orientation.
Summary of Contents for Graviner Mk6
Page 16: ...Nov 21 Page 16 of 132 59812 K001 Rev 10 Height 309mm Width 559mm Depth 118 5mm Weight 8 7kg ...
Page 26: ...Nov 21 Page 26 of 132 59812 K001 Rev 10 Figure 9 Junction Box Installation ...
Page 29: ...Nov 21 Page 29 of 132 59812 K001 Rev 10 Figure 12 Detector Head Installation ...
Page 46: ...Nov 21 Page 46 of 132 59812 K001 Rev 10 Figure 36 System Drawing ...
Page 47: ...Nov 21 Page 47 of 132 59812 K001 Rev 10 Figure 37 Wiring Diagram ...
Page 112: ...Nov 21 Page 112 of 132 59812 K001 Rev 10 6 6 1 CONTROL PANEL Figure 158 Control Panel Door ...
Page 123: ...Nov 21 Page 123 of 132 59812 K001 Rev 10 ...
Page 126: ...Nov 21 Page 126 of 132 59812 K001 Rev 10 ...