92
GAA610-M
ADVANCED EMISSION GAS MONITORING SYSTEM | OI/GAA610-M-EN REV. B
… 13 Maintenance
… Replacing the SCC-F
Install the new SCC-F
1. Insert the prepared SCC-F into the housing of the GAA610-M
and fix it.
2. Plug the connectors into the circuit board. Make sure that the
connections are all correct (Figure 57). Secure the connectors
with the safety screws. Make sure that the PE to the
connection plate is properly connected.
3. Close the cover with all eight screws (Figure 56
). Also
remember the four screws at the front (Figure 56
2
). Make
sure that the PE to the cover is properly connected.
4. Reconnect the hose connections.
5. Turn on main switch.
6. Check the seal integrity according to the description in
7. That the SCC-F work with the system, the new number must
be entered in the menu. Proceed as follows:
‘MENU /Configure / System / Setup system modules’
8. Select the Cooler, SCC-F Application.
9. Press ‘
CHANGE
’ (PW: 081500).
10. Now enter the individual electronics number you have noted.
Confirm your settings.
11. Save the changed configuration.
‘MENU /Configure / System / Save configuration’
⇒
‘
ENTER
’.
12. The system should now work as usual. (It is possible that you
will have to acknowledge the error messages that have
appeared after the system has been changed. This is
possible in the ‘
STATUS MESSAGE
’).
Replacing the AO2020
If there is a malfunction of the AO2020, it may be necessary to
replace it. In the following, the individual points are described
step by step. To replace the AO2020, adjustments must be made
in the AO's menu.
Note
A qualified electrician is required for this work.
CAUTION
Risk of injury from electric shock
The AO2020 can be hazardous if the protective lead is
interrupted inside or outside the sample gas feed unit or if
the protective lead is disconnected.
• Follow all applicable national safety regulations for the
installation and operation of electrical devices as well as
the following safety precautions.
• The protective lead should be attached to the protective
lead connector before any other connection is made.
Remove the old AO2020
Figure 60: Front AO2020, mounting AO2020 on housing (right)
1. Switch off the entire system with the main switch.
2. Unscrew the four front screws
1
to be able to pull out the
AO2020.
3. Remove all connectors and hoses from the rear panel. Mark
the position so that there is no mix-up later.
4. Remove the holder for the cable tube.
5. Unscrew the four screws
2
on the front edge (left & right) of
the slide-in unit to remove the AO2020.
6. The AO2020 can now be removed.
