MDE-5265E BRCM2.x Installation and Upgrade Instructions · April 2021
Page 17
Upgrading to BRCM2.x
New Installation with D-Box Boards (For PA0435 Models)
To perform new installation with D-Box boards, proceed as follows:
1
Remove the single screw securing the lid of the BRCM2.x.
2
Mount the BRCM2.x on the wall and route the conduit and wiring to the knockouts located on
the bottom of the D-Box chassis.
Note: This is based on the site-configuration-specific BRCM2.x connections
(For more information, refer to
“Appendix A: BRCM2.x Communication Diagram”
on
3
Temporarily hang the lid assembly onto the tabs on the lip of the chassis.
Figure 10: Temporarily Hanging Lid Assembly on Tabs
Combined D-Box
and Field wiring
Board
Tabs on lid
Power Supply
input (P416)
RS422 inputs
(P103A and
P103B)
RS422 inputs
(P103A and
P103B)
CCP/HCM input
(P400)
Two-Wire inputs
(P102A and
P102B)
4
Disconnect the power cable, two-wire input cables, and CCP/HCM cable from the distribution
board. Remove the field wiring tray, initially tilting it out.
5
Configure D-Box jumpers as necessary. For more information, refer to
“Appendix B: Configuring Distribution Boards”
.
6
Remove the field wiring connector assemblies from the D-Box board. Insert the field wires
coming out of conduit inside the BRM2 box through knockouts. Connect field wires to the
connector assemblies. Ensure that proper dispenser numbering is followed.
7
Insert the field wiring tray inside the D-Box board. Connect the HCM cable to P400. Connect
the power (P416) and 2 wire input cables (P102A & P102B). If RS422 inputs are used, then
the corresponding connectors are P103A & P103B.
