KROHNE TIDALFLUX 2300 F EN - Manual (Page 22)

4
ELECTRICAL CONNECTIONS
22
TIDALFLUX 2300 F
www.krohne.com 06/2013 - 4002490202 MA TIDALFLUX 2300 F R02 en
4.3.5 Connection of IFC 300 F / PF
The flow sensor and the signal converter must be incorporated in the equipotential bonding
system of the installation. This can be established internally by connection of the protective
earth (PE) conductor of the mains supply system to the internal PE clamp, or externally, by
connecting a separate equipotential bonding conductor between the two external PE-clamps
(size M5). A separate bonding conductor must have a cross-sectional area of at least 4 mm
2
.
Keep the screw-threads free of dirt and well-greased (e.g. with PTFE grease). The grease will
help to prevent the threads from locking due to corrosion.
To unscrew the covers, first release the interlocking devices (one at each cover). Therefore
unscrew the M4 head screw with internal hexagon socket set using a HEX or Allen key no. 2.5
until the interlocking device can be turned. After the covers are screwed back onto the housing,
make sure that the interlocking devices are properly refitted.
Figure 4-8: Electrical connections
1 Unscrew interlocking head screw
2 Turn cover counterclockwise and remove
3 Open / close safety lid of mains supply section
4 Mains supply & signal / data terminals
Figure 4-9: Electrical connections
1 Unscrew interlocking head screw
2 Turn cover counterclockwise and remove
3 Open / close safety lid of mains supply section
4 Mains supply & signal / data terminals