Mounting
4.4 Mounting and connecting
MicroSAM
60 Operating Instructions, 06/2012, C79000-G5376-C560-07
4.4.4 Exhaust gas lines
All exhaust gases from the chromatograph must be routed into a common line. The
individual exhaust gas lines must have a downward gradient to the common line. They must
not have a diminishing diameter.
Material of the common exhaust gas line
Stainless steel piping:
● Inner diameter of at least 12 mm (1/2")
● With welded stubs and screwed glands
● With a gradient of at least 10%.
4.4.5 Equipotential bonding cable/grounding
An equipotential bonding cable is required for explosion-proof chromatographs irrespective
of the local installation guidelines. Independent thereof, the chromatograph housing must be
grounded for electromagnetic compatibility reasons.
Procedure
1. Connect the grounding screw (symbol ) at the bottom right on the chromatograph to a
central grounding point. The permissible cable cross-section is 2.5 mm
2
to 6 mm
2
.
2. It is essential to provide a contact washer between the cable lug and housing. The
connection must be made in the following sequence:
– Housing
– Contact washer
– Cable lug
– Washer
– M6 screw
4.4.6 Lightning protection
We recommend the installation of appropriate lightning protection equipment for the
protection of personnel and devices!
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