Onicon System-30 LonWorks BTU Manual do Utilizador descarregar pdf (Página 24)

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System-30 BTU Measurement System LON 05/14 - 0668-2 / 18337 Page 24

4.7 DIAGNOSTICS

The ONICON System-30 BTU MEASUREMENT

SYSTEM uses a microprocessor to calculate

energy. Factory programmed settings provide

energy total outputs in accordance with the

customer’s application data. An optional

isolated analog output for energy rate, ow rate

or delta T may also be available. Refer to the

Btu meter calibration sheet for a complete listing

of factory settings. These settings cannot be

changed in the eld. Contact ONICON factory

service personnel if changes to the calibration

are required.

The System-30 is equipped with diagnostic

indicator lights that conrm the operation of

the microprocessor and its input circuitry.

Please contact the ONICON factory service personnel if either of the diagnostic lights

indicate a potential problem with the operation of the BTU MEASUREMENT SYSTEM.

4.7.1 Diagnostic Lights

Energy

Located on the end of main unit opposite the cable connection is a red LED labeled Btu.

This LED will ash as energy is transferred.

Liquid Flow

Located on the end of main unit opposite the cable connection is a red LED labeled FLOW.

This LED will ash at a rate that is proportional to the liquid ow rate. An unlit LED

indicates no ow signal.

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Onicon System-30 LonWorks BTU Manual do Utilizador Página 24