ABB CEMcaptain GAA610-M, Руководство по эксплуатации

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GAA610-M
ADVANCED EMISSION GAS MONITORING SYSTEM | OI/GAA610-M-EN REV. B
… 13 Maintenance
Replacing the SCC-F
If there is a malfunction of the SCC-F, it may be necessary to
replace it. In the following, the individual points are described
step by step. To replace the SCC-F, 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 SCC-F 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.
NOTICE
Damage to the SCC-F
Damage to the SCC-F due to incorrect mains voltage setting.
• The sample gas feed unit voltage must be set to match the
line voltage before the power supply is connected (see
rating plate).
Remove the old SCC-F
Figure 56: SCC-F cover screws
1. Switch off the entire system with the main switch.
2. Open the front cover plate by unscrewing the two screws
1
.
3. Disconnect the hose connections
4
.
4. Unscrew the four screws on the front that hold the SCC-F in
the housing.
5. Unscrew all 8 screws
3
of the cover. To remove the cover,
you have to unscrew the four screws
2
on the front side.
Pay attention to the PE on the cover.
6. Carefully remove the cover and disconnect the PE connection
to it.
7.
Check that the device is free of power
.
(Voltage measurement at
–X1
)