Flowserve Logix 3200IQ Guida

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Piezo Replacement Instructions

These instructions describe the procedure for exchanging standard temperature (-4ºF to

176ºF/-20ºC to 80ºC)piezo module assemblies on the Flowserve Logix 3200IQ positioner

with low temperature (-40ºF to 176ºF/-40ºC to 80ºC)assemblies. These instructions

supplement the 3200IQ Installation, Operating, and Maintenance (IOM) Instructions (FCD

LGAIM0058-00).

1. Remove main housing cover and driver

module cover by unscrewing the covers.

WARNING: To prevent ignition of

hazardous atmospheres, disconnect supply

circuit before opening. Keep assembly

tightly closed when in operation.

2. Remove the plastic main control board (PCB)

cover by removing two (2) short cover screws,

and one (1) long cover screw.

3. Unplug the red andblack 2-wire piezo connector.

MAIN

HOUSING

COVER

DRIVER

MODULE

COVER

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4. Disconnect the flexible tubing from the

barbed fitting onthe driver module assembly

by hand.

5. Pull the red and black 2-wire piezo connector

through bottom of driver module housing.

6. Loosen and remove the 9/64” Allen screws A

and B. Important: Loosen the screw

opposite the wire entry last. This screw is

retained by the piezocover, and should only

be removed after screws A & B are removed

to avoid damaging the cover.

LAST

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7. Remove the piezo assembly.

8. Verify that the O-Ring is installed in base of

driver module housing (O-Ring may be stuck

to the bottom of the piezo assembly that was

just removed).A new O-Ring is included in

the low temperature assembly kit, in the

event that the original is lost or damaged

during disassembly.

9. Replace the current standard temperature

piezo assembly with the low temperature

assembly(Kit Number 218956.999.000).The

piezo assembly part is marked with a “-40” on

the bottom of theplastic housing.

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10. Attach the new piezo assembly to base of

modulator, installing and tightening the 9/64”

Allen screw opposite the wiring entry first, and

then installing and tightening Allen screws A and

B.All Allen screws should beinstalled hand

tight.

11. Reconnect the flexible tubing to thebarbed

fitting by hand.

12. Insert the red and black piezo assembly

connector back through the housing, and attach

to the main PCB assembly, assuring the

connection is tight.

FIRST

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13. Insert and attach the plastic main PCB cover by

installing and tighteningthe two (2) short cover

screws, and one (1) long cover screw. Exercise

care to insure that the LED’s are properly aligned

so they aren’t bent or damaged by the cover as it

is being installed.

14. Perform a Quick-CAL to recalibrate the piezo

assembly and the positioner. Refer to the

3200IQ IOM for detailed calibration and

configuration instructions.(FCD LGAIM0058-00)

15. Replace the driver module cover and main

housing cover.

MAIN

HOUSING

COVER

DRIVER

MODULE

COVER

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