FCI 12-64B Installation, Operation And Troubleshooting Manual

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12-64B, 8-66B Installation, Operation and

Troubleshooting Guide

Document 06EN003322 Rev. -

Step 1.

Pre-Installation

To get the best results, the sensor should be mounted 20 pipe diameters downstream from any flow disturbance

(valve, pipe elbow) and 10 pipe diameters upstream from any disturbance.

24 Hour Factory Service Hot Line: 1 (800) 854-1993

Verify the serial numbers on the enclosures, flow element and electronics (control circuit) match. The instrument

may not work if the serial numbers do not match.

Tag Location

On the top side of the local enclosure

The instrument tag shows the model number, tag number (if

noted on the order) and serial number along with other

important safety information. Compare this information with the

appropriate pipe installation drawings to be sure the instrument

is the correct configuration. Match the tag serial number on the

enclosure, flow element and control circuit.

Electronics Serial Number

Step 2.

Flow Element Installation

Alert:

DO NOT change the orientation of the flow element in the enclosure as the interconnecting RTD and

heater wiring could be stressed and damaged. DO NOT apply any torque to the flow element

enclosure - only apply to the pipe surface itself.

Install the flow element, with the Flat Up and Level (shown above) or parallel to the flow media (±2°) for top mounted

instruments. The enclosure, flow element and electronic control circuit card serial numbers should all match.

Flow Element Serial Number.

Also Showing Sensor Orientation Flat.

(Located near the enclosure.

It is also on the enclosure tag.)

Recommended installation/troubleshooting tools are a 1-3/8 inch open ended wrench to fit the NPT connection, a

small flat blade screw driver for manipulating potentiometers, a medium flat blade screwdriver for tightening

connections, 3 mm allen wrench for CENELEC approved instruments, and a DVM for Ohm/Voltage

measurements.

Page 1
12-64b, 8-66b installation, operation and troubleshooting guide document 06en003322 rev. - step 1. Pre-installation a. To get the best results, the sensor should be mounted 20 pipe diameters downstream from any flow disturbance (valve, pipe elbow) and 10 pipe diameters upstream from any disturbance....
Page 2: Step 3. Wiring Preparation
Model 12-64/8-66 2 doc. No. 06en003322 rev.- 12-64 flow switch and 8-66 level switch installation and outline drawing step 3. Wiring preparation before the instrument is opened to install the wiring, fci recommends that the following esd precautions be observed: use a wrist band or heel strap with a...
Page 3: Step 5.
Doc. No. 06en003322 rev. - 3 model 12-64/8-66 installation, operation and troubleshooting guide fluid components intl fci recommends routing conduit to the enclosure. Below is a table to determine the wire size needed to route to the instrument. Connect the customer’s application (relays, lights, et...
Page 4: Step 6.
Model 12-64/8-66 4 doc. No. 06en003322 rev.- adjustment with the sensing element wet 1. Determine that the sensing element is wet. 2. Apply power to the instrument and allow 10 minutes for the sensing element to become active and stabilize. 3. Locate the potentiometer (r5) and the red led on the con...