ONICON F-3100 Series User Manual

Page 20

11451 Belcher Road South, Largo, FL 33773 • USA • Tel +1 (727) 447-6140 • Fax (727) 442-5699 • [email protected]
F-3100 Flow Meter Manual 06/14 - 0670-7

Page

Note 1. Using a #21 (0.159”) drill bit, drill a ½” deep hole in edge of each mating flange. Tap each

hole using a 10-32 tap. Secure the ring connectors (provided) and grounding wires to the flange

using the green grounding screws (provided).

(Alternate method: Weld 10-32 studs (not provided) to the flange faces and attach ring

connectors with 10-32 nuts (not provided).

Note 2. For meters provided with a grounding electrode connect grounding wire to terminal on the

meter neck as shown.

Note 3. Provide a ground connection at the input power terminals inside the transmitter enclosure.

Note 4. From best to worst, grounding options include:

1. Earth grounding rod driven into the soil.

2. Earth wire connected directly to the building electrical service panel.

3. Earth wire connection inside an electrical outlet mear the meter.

CAUTION

The earth connections must be made as shown. Failure to do so will result in erratic operation of

the meter.

Flow direction

INSTALLATION IN CONDUCTIVE PIPE

Note 1.

Using a # 21 (0.159") drill bit, drill a

" deep hole in edge of each mating flange. Tap each

hole using a 10-32 tap. Secure the ring connectors (provided) and grounding wires to the

flange using the green grounding screws (provided).

(Alternate method : Weld 10-32 studs (not provided) to the flange faces and attach ring

connectors with 10-32 nuts (not provided).

Note 2.

Note 4.

Note 2.

For meters provided with a grounding electrode connect grounding wire to terminal on the

meter neck as shown.

Note 3.

Provide a ground connection at the input power terminals inside the transmitter enclosure.

Note 4.

From best to worst, grounding options include:

1. Earth grounding rod driven into the soil.

2. Earth wire connected directly to the building electrical service panel.

3. Earth wire connection inside an electrical outlet near the meter.

F-3000 Series Mating Flange Grounding Kit Instructions

(Wafer Style Meter)