ABB AquaMaster 3 - Electrical Connections

AquaMaster 3
Electromagnetic flowmeter 3 Electrical Installation
16 User Guide OI/FET2XX–EN Rev. E
3 Electrical Installation
3.1 Grounding
Caution. For safety reasons and optimum performance, the flowmeter, pipelines and medium must be
bonded and grounded correctly according to regulations.
Note.
 Connect the transmitter ground connection to the flowmeter body ground
– see Fig. 3.2 and Fig. 3.3.
 The flow sensor must not be connected to a ground spike.
 For bonding connections use 4 mm
2
(<10AWG) cable.
 Older sensors from DN40 to DN80 fitted with bare metal stainless steel flanges do not require fluid
contact rings.
Fig. 3.1 Grounding – All Pipes
Fluid Contact Rings
See Figs. 3.2 (page 17)
and 3.3 (page 17)