xTool Air Dryer User Guide
Updated Nov 26,2025
Updated Nov 26,2025

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Unboxing xTool Air Dryer

List of items

Air dryer

Filter element 1

Filter element 2

Wrench


Screwdriver

Tube (3 m)

Drain tube (2 m)

Quick start guide

Safety instructions

Meet Air Dryer

Product structure

 


Product specifications

Model

NP3-5AC

Volume flow rate (L/min)

400

Operating pressure (MPa)

1

Voltage / Current (VAC)

  • US/Japan: 100–120
  • EU/UK/AU: 200–240

For other countries and regions, see the requirements on the machine label.

Rated power (kW)

0.45

Air inlet temperature (℃)

≤ 45

Weight (kg)

12.1

Dimensions (W × H × D) (mm)

402 × 355 × 227

Connections

Since the air dryer is designed to be used with the air compressor and the welder, this manual includes instructions for operating the air compressor. Please find the air compressor components from its package.

1. Connect the devices

2. Connect drain tube

■ Connect the drain tube to the drain outlet and guide the tube to a wastewater disposal area.

3. Connect to power supply

Power voltage requirements:
Air dryer:
- US/Japan: 100–120 VAC
- EU/UK/AU: 200–240 VAC
For other countries and regions, see the requirements on the machine label.

Air compressor: 200–240 VAC

image.png

Use the devices

1. Power on

Power on the air dryer first and then the air compressor.

CAUTION: The air compressor’s upper part heats up during operation. Do not touch it during operation or shortly after it shuts down.

2. Check the safety valve of the air compressor

3. Set pressure

Pressure range: 0.3–1.0 MPa 

Recommended pressure: 1.0 MPa 

Up button: + 0.05 MPa per press 

Down button: –0.05 MPa per press

The air compressor automatically stops working when the air pressure reaches the set value, and starts working again when the pressure drops 0.2 MPa below the set value.

4. Switch the speed mode

Press the FAST/SILENCE button to switch the operating speed. A speed of 99% indicates high-speed mode, while 50% indicates low-speed mode. 

Recommended mode: FAST

Once the air compressor's current pressure is steady, you can proceed to operate the welding machine.

Note: To stop the air dryer and compressor, first turn off the air compressor and then turn off the air dryer.
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