Opening And Closing The Housing - ABB ProcessMaster FEM630 Operating Instructions Manual

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F EM63 0 | E L EC TR OM AG N E T I C FLOWM E T E R | O I/F E M6 3 0-EN RE V. A
5 . . .Installation

Opening and closing the housing

DANGER
Danger of explosion if the device is operated with the
transmitter housing or terminal box open!
While using the device in potentially explosive
atmospheres before opening the transmitter housing or
the terminal box, note the following points:
• A valid fire permit must be present.
• Make sure that no flammable or hazardous
atmospheres are present.
WARNING
Risk of injury due to live parts!
When the housing is open, contact protection is not
provided and EMC protection is limited.
• Before opening the housing, switch off the power
supply.
NOTICE
Potential adverse effect on the IP rating
• Check the O-ring gasket for damage and replace it if
necessary before closing the housing cover.
• Check that the O-ring gasket is properly seated when
closing the housing cover.
A
Integral mount design
B
Remote mount design
C
Transmitter, terminal space, signal cable
Figure 21 Cover lock (example)
Open the housing:
Release the cover lock by screwing in the Allen screw
1 Unscrew cover .
1
Close the housing:
1 Screw on the cover 1
2 After closing the housing, lock the cover by unscrewing
the Allen screw 2 .
.
2 .