ABB 10D1475 Installation Instructions Manual page 8

ELECTRICALLY NON-CONDUCTIVE PIPELINE
(Liquid NOT in Electrical Contact With Pipeline)
SYSTEMS USING INSULATED PIPE INCLUDE:
*
Model 10D1477 may not be installed in these types of pipelines. Consult instruction manual for details.
FOR OPTIMUM SYSTEM PERFORMANCE
the flowmeter body and electrically conductive pip-
ing must be connected to a good earth ground.
ABB
FIGURE 7. Grounding Procedure,
Non-Conductive Pipeline
Refer to applicable Instruction Bulletin supplied by
ABB for electrical interconnection diagram(s).
7
INSTALLATION INSTRUCTIONS
Ceramic lined cast iron pipe
Plastic pipe*
Concrete pipe*
Teflon lined pipe
ABB
NOTE
• Install grounding ring
between pipe flange
and meter (one up-
stream and
downstream).
( Refer to FIGURE 7 )
• Two ground straps
are supplied with the
meter for connection
to the upstream and
downstream ground-
ing rings.
• Customer must sup-
ply and
ground strap (e.g.,
1/2" copper braid)
from meter ground-
ing stud to an exter-
nal earth ground.
• Refer to Figure 8 for
optional grounding
ring dimensions.
one
in-stall