Giesen 15

Giesen W6 series.

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.

Dutch design.

Built to evolve

The Giesen 15 delivers industrial-grade consistency in a mid-size roaster. Its modular architecture allows easy hardware and software upgrades, so your setup can expand as your production grows, without needing a full replacement.

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For every roastery.

Precision meets innovation

Powered by smart technology and AI-enhanced control, the Giesen 15 offers absolute roasting accuracy with a traditional feel. Cloud-connected, efficient, and engineered for control, it’s built to bring your roasting vision to life at scale.

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General specifications

Measurements
1914 x 962 x 2101 mm

Weight
650 kg (roaster only)

Minimum batch size
7,5 kg

Maximum batch size
15 kg

Sound level
70 dB (A)

Chimney diameter
Ø 200 mm

Ranges

Underpressure range
80 - 150 Pa
(110 Pa default)

Drum speed range
34 - 49 Hz
(46 Hz default)

Temperature setpoint range
100 - 250 °C
(200 °C default)

Certfications

Standard certifications
CE

Optional certifications
UL
AGA

Electrical specifications

Gas heating specifications
Supply voltage - 230V AC
External fusing - 1 x 16A
Maximum electrical power - 1,7 kW

Electric heating specifications
Supply voltage - 400V AC
External fusing - 3 x 63A
Maximum electrical power - 32 kW

Gas specifications

Gas connection
G 3/8"

Maximum gas consumption
G20 - 3,4 m³/h
G25 / G25.3 - 3,8 m³/h
G30 - 1,29 m³/h
G31 - 0,99 m³/h

Gas inlet pressure
G20 - 25 mbar
G25 / G25.3 - 20 mbar
G30 - 30 / 37 / 50 mbar
G31 - 30 / 29 / 50 mbar

Optional additions

Destoner

Coffee Conveyor

SFE filter

Catalytic Emission Cleaner

The serious stuff.

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!

Temperature control

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.

Airflow control

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.

Drumspeed control Giesen roasters feature adjustable drum speed control, empowering you to perfect your roasting process. By modifying the drum's revolutions per minute (RPM), you can balance conductive and convective heat transfer, ensuring uniform bean development.

General specifications

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)

Electrical specifications

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.

Ranges

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