Liquid Controls LectroCount LCR 600, Installation-Parts

Page: 59 / 78

Installation
59
When removing the J1 or J16 terminal from the 81944 board, hold down the right end of the
main CPU board to prevent flexing.
To wire ∆P Transducer to the LCR 600:
1. Unplug the J1, J2, and J3 terminal blocks from the LCR 600 CPU board. Leave the wires in the
terminals.
2. Remove the screw at the top left corner of the LCR 600 CPU board.
3. Plug the 81944 board into the J1 connectors on the LCR 600 CPU board.
4. Fasten the top left side of both boards to the housing with the screw provided.
5. Plug terminal block J1 into the 81944 board. Plug J2 and J3 back into the LCR 600 CPU board
6. Plug terminal J16 into the 81944 board.
7. Remove the wires for the J1 terminal block and connect them to their corresponding terminals on
the J16 terminal block on the 81944 board.
·
Black to J16 terminal 30
·
Blue to J16 terminal 29
· Yellow to J16 terminal 28
· Orange to J16 terminal 27
·
Brown to J16 terminal 26
8. Route the ∆P transducer cable through a cable gland in a port on the back of the LCR 600.
Secure the cable gland. LC recommends running the cable through weatherproof conduit .
9. Connect the four ∆P transducer wires to terminals J3 on the LCR 600 CPU board and J16 on the
81944 board.
· Black to J3 terminal 46
· White to J3 terminal 51
·
Yellow to J16 terminal 57
· Blue to J16 terminal 58