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FB1100/FB1200 Flow Computer CPU Module Field Replacement Guide

Flow Computer CPU board with solar/Enersys lead acid battery charge board Field Installed



Accessory Kit Part No. 399381-02-0 for use with UL Listed Model Series FB1100 and FB1200.

CAUTION

If your flow computer uses lead acid battery pack 399186-01-8 and you need to replace the CPU

and battery charge board, you must select kit 399381-01-0 because the 399186-01-8 battery is

not supported by the Enersys charge board.

Remove the front and rear end caps. Remove the retaining clamps on the end caps (if

present) using a 3 mm hexagonal wrench.

Components of Retaining Clamp Assembly

Screw

Retaining Clamp

Washer

Grasp the end cap.

Front End Cap

Unscrew the end cap by turning it counter-clockwise until it comes off. Set the end cap aside

in a safe location.

Note

If you need more leverage, place a long screwdriver or other appropriate tool across the two

notches in the end cap to act as a pry bar.

Rear End Cap

D301802X012

November 2020