Installation Procedure - Legacy Systems; Legacy R920 - Replacing Polara Bulldog Button - Carmanah E Series Manual

6.0 Installation Procedure – Legacy Systems
6.1 Legacy R920 – Replacing Polara Bulldog Button
1. De-energize system by disconnecting both system fuses.
2. Remove 4 screws securing EMS cover.
3. Rotate EMS cover to expose EMS PCBA and wiring. Remove cable ties as required.
4. Remove the RF connector at the SMA connector on the radio module. A 5/16" open end wrench may be
required.
5. Disconnect existing pushbutton, light bar(s), beacons, or LED signs, batteries and solar panel.
Photograph or take careful note of all existing connections on EMS.
6. Remove existing EMS PCBA.
The light pipe at the top off the PCB assembly can be damaged during the removal of the EMS.
Lift the EMS gently from the bottom edge and slide down before lifting up and out of enclosure.
7. Install replacement EMS PCBA with aluminum cover provided with retrofit kit.
8. Reconnect antenna lead.
9. Route iNX cable through the large opening on the lower front edge of the EMS cover.
10. Splice Battery (+) and Battery (-) along with the BLUE/BLACK conductor into the connectors on the iNX
harness.
11. Insert the ORANGE, BROWN and YELLOW conductors as shown below:
Carmanah Technologies Corp. | 250 Bay St, Victoria, BC V9A 3K5, Canada | 1.250.380.0052 |
POLARA INX/IDX RETROFIT GUIDE
customersupport@carmanah.com | carmanah.com
11