W6A Pro
Introducing the W6A Pro, Our evolution of the classic W6A, designed to meet the modern demands of coffee roasters. This advanced model retains the reliability and timeless aesthetics of its predecessor while incorporating state-of-the-art automation and enhanced functionalities.
- 100% automated, no manual tasks
- Fully integrated within Giesen Profiler
- 7 kg per batch, 35 kg per houd

Up to 24 kg / h.
With a 6-kilo capacity per batch and up to 24 kilos per hour, Giesen W6 series roasters deliver efficiency and consistency. Perfectly balanced for professionals who demand both quality and volume.
The ultimate centerpiece for your coffee shop. Designed to perfection, it offers the flexibility of full-control manual roasting alongside the convenience of fully automatic roasting. Handcrafted in the Netherlands and shipped worldwide.

Roast like a pro
The W6A Pro is a fully automated roaster, allowing precise control via Giesen Profiler software. Its full-auto features manage intake, roasting, and discharge for seamless operation. A user-friendly touchscreen simplifies adjustments for all skill levels. With a 7 kg batch capacity, it’s built for efficiency and consistency. Customizable design ensures both performance and personal style.

Ready for the future
The W6A Pro is built for the future with full automation, software updates, and Giesen Profiler integration. Its durable design ensures long-term reliability, while customizable options adapt to evolving roasting needs. Precision, consistency, and scalability make it a future-proof investment.

Underpressure range
80 - 150 Pa
(110 Pa default)
Drum speed range
36 - 51 Hz
(46 Hz default)
Temperature setpoint range
100 - 250 °C
(200 °C default)
Standard certifications
CE
Optional certifications
UL
AGA
Measurements
1623 x 2414 x 1944 mm
Roaster in combination with GCC
Weight
600 kg (roaster only)
Minimum batch size
3,5 kg
Maximum batch size
7 kg
Sound level
70 dB (A)
Giesen Profiler
Destoner
Coffee Conveyor
External Cyclone
SFE filter
Catalytic Emission Cleaner
Support router
Supply voltage
230V AC
External fusing
1 x 16A
Maximum electrical power
2,5 kW
Ø 150 mm
Gas connection
G 1/2" F
Maximum gas consumption
Natural gas - 2,1 m³/h
Propane gas - 0,75 m³/h
Gas inlet pressure
G20 - 25 mbar
G25 / G25.3 - 20 mbar
G30 - 30 / 37 / 50 mbar
G31 - 30 / 29 / 50 mbar
Technical data.
If you need any further technical information that you can't find on this page, please contact us. We will be happy to help you!
Giesen roasters combine advanced temperature control with cutting-edge automation, ensuring consistency and ease in every roast. With features like automatic mode and burner percentage control, you have the tools to master your craft and achieve unparalleled results.
Giesen roasters feature advanced airflow control, allowing you to fine-tune the roasting environment to achieve your desired flavor profiles. By adjusting the underpressure settings, you can influence the heat transfer and development of your beans.
Measurements
W6A - 1427 (L) x 723 (W) x 1705 (H)
W6E - 1410 (L) x 723 (W) x 1705 (H)
W6A Pro - 1623 (L) x 2414 (W) x 1944 (H)
Weights
W6A - 485 kg (roaster only)
W6E - 496 kg (roaster only)
W6A Pro - 600 kg (roaster only)
Minimum batch size
W6A - 3 kg
W6E - 3 kg
W6A Pro - 3,5 kg
Maximum batch size
W6A - 6 kg
W6E - 6 kg
W6A Pro - 7 kg
Sound level
W6A - 70 dB (A)
W6E - 70 dB (A)
W6A Pro - 70 dB (A)
Supply voltage
W6A - 230V AC (1L+N+PE)
W6E - 400 V AC (3L+N+PE)
W6A Pro - 230V AC (1L+N+PE)
External fusing
W6A - 1 x 16A
W6E - 3 x 32A
W6A Pro - 1 x 16A
Max. electrical power
W6A - 1,7 kW
W6E - 17 kW
W6A Pro - 2,5 kW
Keep in mind that this is the absolute maximum power consumption. Actual average usage will be much lower.
Underpressure range
80 - 150 Pa (min. - max.)
Default value: 110 Pa
Drum speed range
36 - 51 Hz (min. - max.)
Default value: 46 Hz
Temperature setpoint range
100 - 250 °C (min. - max.)
Default value: 200 °C