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# Pro340 installation guide on IPSO WFF185C washer

**This guide explains how to connect the Pro340 to the IPSO WFF185C washer.**

|| Please disconnect the machine from power whilst carrying out any work.

### Pro340 wires
| **Pro340 wire** | **Name used in this guide** |
| ---- | ---- |
| Wire 1 | ACL |
| Wire 2 | ACN |
| Wire 3 | COM |
| Wire 4 | Output NO |
| Wire 5 | Feedback |

### IPSO WFF185C – 40 lb washer (fitted with Micro-20 board)
###### Machine details
* Setup: Fixed, pulse operated
* Pulse length: 80–100 ms
* Busy signal: High. Taken from the door lock

### Connect the Pro340
1. Connect COM (wire 3) into port C on terminal block
2. Connect Output NO (wire 4) into Coin 2 on terminal block
3. Connect ACL (wire 1) directly onto the L input on the block
4. Connect ACN (wire 2) directly onto the N input on the block
5. Connect Feedback (wire 5) from the door lock

![](https://storage.crisp.chat/users/helpdesk/website/-/8/f/b/d/8fbd610f32d91000/screenshot-2026-10-09-at-09433_1fx99pg.png =500x663)										Location of terminal block behind coin mechanism

![](https://storage.crisp.chat/users/helpdesk/website/-/8/f/b/d/8fbd610f32d91000/screenshot-2026-10-09-at-09434_14pt4lr.png =500x289)Terminal block with all connections for Pro340

![](https://storage.crisp.chat/users/helpdesk/website/-/8/f/b/d/8fbd610f32d91000/screenshot-2026-10-09-at-09435_1pzjjlq.png =500x355)Mico-20 Board for door lock connection to feedback wire 5 on Pro340