Unitec Wash Select II POS Installation Manual - Manual (Page 30)

W A S H S E L E C T I I
Document Number: WS21001 24
Document Title: Wash Select II POS Installation Manual
4.7.3 Connecting a 4-wire Intercom System
1. Locate the 4-pin connector on the “Intercom Adapter Board”. (See Figure 4.)
2. Use a small flathead screwdriver to loosen the screws on the top of the 4 pin connector.
3. Locate the “Call Feed” wire of the intercom system.
4. Attach the “Call Feed” wire to pin 1 of the 4-pin connector and then tighten the screw.
5. Locate the “Call Ground” wire of the intercom system.
6. Attach the “Call Ground” wire to pin 2 of the 4-pin connector and tighten the screw.
7. Locate the “Audio Feed” wire of the intercom system.
8. Attach the “Audio Feed” wire to pin 3 of the 4-pin connector and then tighten the screw.
9. Locate the “Audio Ground” wire of the intercom system.
10. Attach the “Audio Ground” wire to pin 4 of the 4-pin connector and tighten the screw.
4.8 Wiring External Fleet Device Interface
For this option to work, you need to have an EXT FLEET card plugged to J6 and J7 on the
I/O board (I/O board is located on the Wash Select II door).
Depending on the type of external fleet device you are connecting to (eWash, Wash Card or
Express Key), one of the following connections will have the Ext Fleet system up and
running.
4.8.1 Hook up to Washcard Control Box
Remove connector J1 from the Ext Fleet card on the lower left of the I/O board and make the
following connections.
J1 of Unitec Wash Card interface board
Table 5. J1 of Unitec Wash Card interface board
Pin Number Signal Name Connect to
1 Input 1 A Washcard TB-C pin 2 (C)
2 Input 1 B Pin 5 of J1 (this connector)
3 Input 2 A
4 Input 2 B
5 10-16VDC+ Isolated Pin 2 of J1 (this connector)
6 10-16VDC- Isolated Washcard TB-C pin 3 (N.O)
Remove connector J2 from the Ext Fleet card on the lower left of the I/O board and make the
following connections.