Panametrics PanaFlow MV80, User Manual, Page: 63 / 184

PanaFlow™ MV80, MV82 & MV84 User’s Manual 51
Chapter 2. Installation
2.7 Meter Initial Setup
2.7.1 Power Over Ethernet (POE) Wiring Connections
The NEMA 4X enclosure contains an integral wiring compartment with one dual strip terminal block (located in the
smaller end of the enclosure). Two 3/4-inch female NPT conduit entries are available for separate power and signal
wiring. For all hazardous area installations, make sure to use an agency-approved fitting at each conduit entry. The
cable entry device shall be of a certified flameproof type, suitable for the conditions of use and correctly installed.
The degree of protection of at least IP66 to EN 60529 is only achieved if certified cable entries are used that are
suitable for the application and correctly installed. Unused apertures shall be closed with suitable blanking elements.
If conduit seals are used, they must be installed within 18 inches (457 mm) of the enclosure.
Figure 58: POE Wiring Terminals
There are two options for powering the POE version meters: DC Power and POE option.
2.7.2 DC Power Wiring
WARNING!
Use a Class I or Class II power supply.
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A power switch is not provided with this meter, an approved switch meeting the power
requirements listed in Appendix A must be provided by the user. It must be easily
accessible and marked as the disconnect for the flow meter.
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Only the connectors supplied with the meter are to be used for connecting wiring.
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If the equipment is used in a manner not specified the protection provided by the
equipment may be impaired.
The DC power wire size must be 20 to 12 AWG with the wire stripped 1/4 inch (7 mm). Connect 18 to 36 VDC (300 mA, 9
W maximum) to the +DC Pwr and -DC Pwr terminals on the terminal block.
Torque all connections to 4.43 to 5.31 in-lbs (0.5 to 0.6 Nm).