Domus/Fagor Essential Dryer PRO300/Universal Harness Installation
Domus/Fagor Non-Touch Essential Dryer
This document will walk you through the process of installing your Airwallet Pro330 to your Domus machines. This guide is for the following machines:
· Domus Essential and Comfort Dryers
What is needed:
· Airwallet Pro330 Unit
· Crimp Connectors (2)
· Voltage Test Meter
Airwallet Pro330

Installation Video
Coming Soon!
Recommended Dashboard Setup
Fixed ➜ Pulse operated
pulse length: 80-100ms
pulse repetition: variable
busy signal: None
Recommended Machine Setup

Installing Airwallet Unit
WARNING! Disconnect power or turn off breaker prior to performing this installation.1. Power down the machine by unplugging or turning of the breaker.
2. Using the Domus key, open the front panel of the machine to install the device.

Power Connection
1. Locate the 3-pin POWER connection terminal on the main control board marked 35 and 36. This will have BLUE and WHITE wires. Connect WIRE 2 from the Airwallet unit to the BLUE wire marked 36.
2. Locate the wire connection on the side of the control board with a WHITE and GREY wires connected to it marked 7 and 8. Connect WIRE 1 from the Airwallet unit to the WHITE wire marked 7.
Pulse Connections
1. Locate the COIN drop harness and separate the BROWN and YELLOW or WHITE and BROWN wires.
2. Connect the Airwallet WIRE 3 to the BROWN coin wire.
3. Connect the Airwallet WIRE 4 to the YELLOW or WHITE coin wire.
4. The Airwallet unit should be mounted on the back of the machine, when possible, for best signal but can be mounted behind the control in the pocket.
5. If the Dashboard programming has not been done prior, make sure to note the serial number or take pictures of the label on the bottom of the PRO300 unit.
6. Once you have confirmed all connections are made, and the serial numbers are gathered you can reassemble the machine and proceed to the software setup.
Tags:
Domus, Fagor, Essential
Updated on: 23/10/2026
Thank you!