Endress+Hauser Waterpilot FMX21 - Post-Installation Check; 6 Electrical Connection; Connecting the Device

Waterpilot FMX21 Electrical connection
Endress+Hauser 23
5.11 Post-installation check
 Is the device undamaged (visual inspection)?

Does the device conform to the measuring point specifications?
For example:
• Process temperature
• Process pressure
• Ambient temperature
• Measuring range
 Are the measuring point identification and labeling correct (visual inspection)?
 Check that all screws are firmly seated.
6 Electrical connection
L
WARNING
Electrical safety is compromised by an incorrect connection!
‣
When using the measuring device in a hazardous area, the relevant national standards and
guidelines as well as the Safety Instructions (XAs) or installation or control drawings (ZDs)
must be adhered to. All data relating to explosion protection can be found in separate
documentation which is available on request. This documentation is supplied with the
devices as standard →  7
6.1 Connecting the device
L
WARNING
Electrical safety is compromised by an incorrect connection!
‣
The supply voltage must match the supply voltage specified on the nameplate →  12
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Switch off the supply voltage before connecting the device.
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The cable must end in a dry room or a suitable terminal box. The IP66/IP67 terminal box
with GORE-TEX® filter from Endress+Hauser is suitable for outdoor installation.→  19
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Connect the device in accordance with the following diagrams. Reverse polarity protection
is integrated in the Waterpilot FMX21 and the temperature head transmitter. Changing
the polarities will not result in the destruction of the devices.
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A suitable circuit breaker should be provided for the device in accordance with IEC/EN
61010.