How to replace the relay, Flow transmitter : uxf3 – Dwyer UXF3 User Manual

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6.4. How to replace the relay

DO3 is a relay contact, whose service life is 200,000 times (under rated load).
Replace it before the end of its life estimating the number of contact operations.
For replacement part ordering information, contact the manufacturer.

6.4.1. Flow transmitter : UXF3

[How to replace]
(1) Open the cover after turning off power.
(2) As shown by the following photo, pull out the card relay from socket.
(3) Set a new card relay into the socket. Push it enough to engage the card relay claws.
(4) Close the cover and turn on the power.
(5) Set the maintenance mode to "STATUS OUTPUT", and check the relay “ON” and “OFF” actions.

Be sure to turn off the power before opening the cover. The unit containts high voltage.

Relay removing procedures

Push up the card relay bottom.

Push the card relay top from socket.

Pull out the card relay from socket.

Relay contact