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Home / Equipment / Roaster

Roaster

A Diedrich Roaster: Experience the Difference

TEC Square is the representative for Diedrich roasters in Spain and Portugal. Diedrich roasters are US-made,  handcrafted and meticulously engineered and each one of them has been rigorously tested and polished to perfection.

When you buy a Diedrich you get more than a roaster. You become part of a global family of roasters who are passionate about crafting the best tasting coffee. Whether you’re roasting for your coffee shop or for a large-scale commercial production, TEC Square and Diedrich are there to partner with you every step of the way.

Diedrich puts each roaster through a full Factory Acceptance Test (FAT) before the roaster leaves the facility. Enjoy the peace of mind that comes when you purchase a custom Diedrich Roaster. Diedrich stands by their craftsmanship, and together with Diedrich we are here to support and partner with you throughout your roasting journey.

A Diedrich Roaster: Repeatable Roasts for Small and Large Batches

Diedrich has gone out of their way to engineer, design, and develop high-quality roasters to help you craft the perfect roast with every batch. Together with Diedrich we will help you identify your specific roasting needs, analyse your roasting space, and create a thorough plan to help you achieve your goals.

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Download our Specialty Roaster Brochure

A Diedrich Roaster: The Diedrich Promise

Diedrich offers more than just exceptional quality coffee roasters with easy-to-use, state of-the-art technology. They also promise exceptional customer service and support focused on installation, maintenance, technical guidance, and complete roasting training. Whether you are roasting small or large batches, Diedrich is well equipped to guide you through a comprehensive collection of topics ranging from foundation, to professional, to food safety.

Environmental Control Systems

Environmentally friendly technologies reduce energy usage and emissions without affecting aroma or flavour. Quality components, environmental awareness, and a commitment to stewardship are keys to caring for our environment. This is why Diedrich designs and engineers each roaster to mitigate environmental controls.

Diedrich Roasters are designed with precision to operate at a high degree of repeatability with air quality control devices in place which will meet your environmental code.

Shop Roasters and Commercial Roasters

Diedrich coffee roasting equipment is an industry leader in innovation and sustainability. Every roaster is engineered and meticulously handcrafted to be precise and user-friendly to help you achieve gentle, consistent roasting. Diedrich offers a wide variety of capacities to help you coax the best flavour and aroma from every bean — regardless of origin, roasting profile or desired preparation method.

A Diedrich roaster is designed for consistency and repeatability, ensuring a perfect roast batch after batch.

Related Applications

Instant Coffee

Cold Brew

DR-3 – Specialty Roaster
IR-5 – Specialty Roaster
IR-12 – Specialty Roaster
DR-25 – Specialty Roaster
DR-35 – Commercial Roaster
DR-70 – Commercial Roaster
CR-140 – Commercial Roaster
CR-280 – Commercial Roaster
DR-360 – Commercial Roaster
DR-3 thumbnail_IMG-8116-PhotoRoom-PhotoRoom5555

Specifications

  • Batch size (min-max): 1.5-3 kg of green coffee.
  • Roasting half batches is possible
  • Maximum Capacity: 12 kg/h green coffee
  • Dimensions L x W x H: 1372 x 991 x 1740 mm
  • Shipping weight 340 kg
  • Equipped with an Infrared gas burner allowing to roast with conductive, convective, and radiant heat with total control.

Electrical Details

  • Volts 230v/50Hz (1-Phase)
  • Full load Amps: 4.7 Amp,
  • Roaster Main Breaker: 6.0 Amp

Heating Details

  • Gas types: Liquid Propane (LP) or Natural Gas (NG)
  • Maximum Consumption: 9.7 kW
  • Typical consumption per roast: 1.15 kWh
  • Inlet gas supply connection: ½” male NPT on roaster
  • Max roast air/Cooling Air:  362 Nm3/h

Control Details

  • Connect tablet or computer directly to your roaster, using Artisan or Cropster software.
  • The burner integrates directly with Artisan or Cropster software for a precise roast profile.
  • Manual, data logging, or fully automated roasters are available.
  • Collect and save dat

Download the DR-3 Brochure

ir-5-specialty-roaster

Specifications

  • Batch size (min-max): 2.5-5 kg of green coffee.
  • Roasting half batches is possible
  • Maximum Capacity: 18 kg/h green coffee
  • Dimensions (LxWxH): 1429 x 1222 x 1813 mm
  • Shipping weight 530 kg
  • Shipping crate size (LxWxH): 1549 x 1143 x 1956 mm
  • Equipped with an Infrared gas burner allowing to roast with conductive, convective, and radiant heat with total control.
  • Available in Auto and Manual mode

Electrical Details

  • Volts: 230v/50Hz (1-Phase)
  • Full load Amps: 7.5 Amp
  • Roaster Main Breaker: 10.0 Amp

Heating Details

  • Gas types: Liquid Propane (LP) or Natural Gas (NG)
  • Maximum Consumption: 15 kW
  • Typical consumption per roast: 2.9 kWh
  • Inlet gas supply connection: ½” male NPT on roaster
  • Exhaust airflow, Max: 486 Nm3/h
  • Exhaust duct outside diameter: 203 mm

Control Details

  • Connect tablet or computer directly to your roaster, using Artisan or Cropster software.
  • The burner integrates directly with Artisan or Cropster software for a precise roast profile.
  • Manual, data logging, or fully automated roasters are available.
  • Collect and save data.

Download the IR-5 Brochure

Specifications

  • Batch size (min-max): 6-12 kg of green coffee. 
  • Roasting half batches is possible
  • Maximum Capacity: 48 kg/h green coffee
  • Dimensions (LxWxH): 1429 x 1222 x 1918 mm
  • Shipping weight: 599 kg
  • Shipping crate size (LxWxH): 1549 x 1143 x 1956 mm
  • Equipped with an Infrared gas burner allowing to roast with conductive, convective, and radiant heat with total control.
  • Available in Auto and Manual mode

Electrical Details

  • Volts: 230v/50Hz (1-Phase)
  • Full load Amps: 13.3 Amp
  • Roaster Main Breaker: 15.0 Amp

Heating Details

  • Gas types: Liquid Propane (LP) or Natural Gas (NG)
  • Maximum Consumption: 26 kW
  • Typical consumption per roast: 5.5 kWh
  • Inlet gas supply connection: ½” male NPT on roaster
  • Exhaust airflow, Max: 617 Nm3/h
  • Exhaust duct outside diameter: 203 mm

Control Details

  • Connect tablet or computer directly to your roaster, using Artisan or Cropster software.
  • The burner integrates directly with Artisan or Cropster software for a precise roast profile.
  • Manual, data logging, or fully automated roasters are available.
  • Collect and save data. 

Download the IR-12 Brochure

ir-25-specialty-roaster

Specifications

  • Batch size (min-max): 12.5-25 kg of green coffee.
  • Roasting half batches is possible
  • Maximum Capacity: 100 kg/h green coffee
  • Dimensions (LxWxH): 2769 x 1727 x 2667 mm
  • Shipping weight: 1525 kg
  • Equipped with an Infrared gas burner allowing to roast with conductive, convective, and radiant heat with total control.
  • Available in Auto mode

Electrical Details

  • Volts: 230v/50Hz (1-Phase)
  • Full load Amps: 21.1 Amp
  • Roaster Main Breaker: 25.0 Amp

Heating Details

  • Gas types: Liquid Propane (LP) or Natural Gas (NG)
  • Maximum Consumption: 44 kW
  • Typical consumption per roast: 8.2 kWh
  • Inlet gas supply connection: ½” female NPT on roaster
  • Exhaust airflow, Max: 576 Nm3/h
  • Cooling Air flow, Max: 1610 Nm3/h
  • Exhaust duct outside diameter: 203 mm

Control Details

  • Connect tablet or computer directly to your roaster, using Artisan or Cropster software.
  • The burner integrates directly with Artisan or Cropster software for a precise roast profile.
  • Manual, data logging, or fully automated roasters are available.
  • Collect and save data. 
  • Variable speed from the HMI for the Roast Air, Cool Air, and Drum RPM
  • Separately controlled airflow for Roast Air and Cool Air
  • Quench in the drum using the automation
  • Manual quench in the roast air cyclone
  • Proximity sensors on the chaff gate that indicate if the gate is open or closed
  • Upgraded Automation Platform

Download the DR-25 Brochure

cr-35-commercial-roaster

Specifications

  • Batch size (min-max): 17.5-35 kg of green coffee.
  • Roasting half batches is possible
  • Maximum Capacity: 140 kg/h green coffee
  • Cooling Tray Diameter 1000 mm
  • Dimensions Roaster (LxWxH): 2769 x 1727 x 2667 mm 
  • Shipping weight Roaster: 1,213 kg
  • Equipped with an Infrared gas burner allowing to roast with conductive, convective, and radiant heat with total control.
  • With automatic roasting quench system 

Electrical Details

  • Volts: 230v/50Hz (1-Phase)
  • Full load Amps: 35.4 Amp at 230V
  • Roaster Main Breaker: 50.0 Amp at 230V

Heating Details

  • WCF Power Burner
  • Gas types: Liquid Propane (LP) or Natural Gas (NG)
  • Maximum Consumption: 88 kW
  • Typical consumption per roast: 15.5 kWh
  • Inlet gas supply connection: 3/4″ male NPT on roaster
  • Exhaust airflow, Max: 935 Nm3/h
  • Exhaust duct outside diameter: 203 mm

Control Details

  • Fully Automatic Roaster controlled by an Allen Bradley PLC.
  • 15” Weintek HMI, color LCD touch screen.
  • Control Panel attached to the roaster frame by swivel arm
  • Fully Automatic data logging via the PLC. 
  • Memory storage (SD Card) for roasted Profiles, Data Logs, and Alarm Logs.
  • Variable speed drives for the Roast Air, Cooling Air, and Roasting Drum RPM
  • Compatible with Data Logging Software in the Marketplace including 5 outputs provided for display of:
    • Bean Temperature
    • Drum Inlet Temperature
    • Drum Outlet / Exhaust Temperature
    • Fuel Percentage
    • Air percentage
  • VPN (Virtual Private Network) ready for remote access troubleshooting and software updates.

Download the Guide

cr-70-commercial-roaster

Specifications

  • Batch size (min-max): 35-70 kg of green coffee.
  • Roasting half batches is possible.
  • Maximum Capacity: 280 kg/h green coffee
  • Dimensions (LxWxH): 3175 x 17781 x 2363 mm
  • Shipping weight roaster: 1213 kg
  • Equipped with an Infrared gas burner allowing to roast with conductive, convective, and radiant heat with total control.
  • Available in Auto mode

Electrical Details

  • Volts: 230v/50Hz (1-Phase) or 400V (3-phase)
  • Full load Amps: 54.5 Amp at 230V or 32.2 Amp at 400V
  • Roaster Main Breaker: 70.8 Amp at 230V or 40.8 Amp at 400V

Heating Details

  • Gas types: Liquid Propane (LP) or Natural Gas (NG)
  • Maximum Consumption: 88 kW
  • Typical consumption per roast: 15.5 kWh
  • Inlet gas supply connection: 3/4” male NPT on roaster
  • Exhaust airflow, Max: 935 Nm3/h
  • Cooling Air flow, Max: 1700 Nm3/h
  • Exhaust duct outside diameter: 203 mm

Control Details

  • Simplified Controls: 2nd generation roast profile automation continues to advance coffee roasting.
  • Automation uses industrial-grade hardware, with friendly interface and offers operators the ability to precisely control the roast.15.5
  • Variable speed from the HMI for the Roast Air, Cool Air, and Drum RPM
  • Separately controlled airflow for Roast Air and Cool Air
  • Quench in the drum using the automation
  • Manual quench in the roast air cyclone
  • Proximity sensors on the chaff gate that indicate if the gate is open or closed
  • Upgraded Automation Platform

Download the Guide

cr-140-commercial-roaster

Specifications

  • Batch size (min-max): 70-140 kg of green coffee.
  • Roasting half batches is possible.
  • Maximum Capacity: 560 kg/h green coffee
  • Dimensions (LxWxH): 5309 x 3226 x 4089 mm
  • Shipping weight roaster: 2,604 kg
  • Equipped with an Infrared gas burner allowing to roast with conductive, convective, and radiant heat with total control.
  • Available in Auto mode

Electrical Details

  • Volts: 230v/50Hz (1-Phase) or 400V (3-phase)
  • Full load Amps: 57.5 Amp at 230V or 34.6 Amp at 400V
  • Roaster Main Breaker: 90 Amp at 230V or 60 Amp at 400V

Heating Details

  • Gas types: Liquid Propane (LP) or Natural Gas (NG)
  • Maximum Consumption: 352 kW
  • Typical consumption per roast: 66.4 kWh
  • Inlet gas supply connection: 1” female NPT on roaster
  • Exhaust airflow, Max: 3,021 Nm3/h
  • Cooling Air flow, Max: 5’947 Nm3/h
  • Exhaust duct outside diameter: 356 mm

Control Details

  • Simplified Controls: 2nd generation roast profile automation continues to advance coffee roasting.
  • Automation uses industrial-grade hardware, with friendly interface and offers operators the ability to precisely control the roast.
  • Variable speed from the HMI for the Roast Air, Cool Air, and Drum RPM
  • Separately controlled airflow for Roast Air and Cool Air
  • Quench in the drum using the automation
  • Manual quench in the roast air cyclone
  • Proximity sensors on the chaff gate that indicate if the gate is open or closed
  • Monitor and save roasting parameters with the batch control system.
  • Upgraded Automation Platform

Download the Guide

cr-280-commercial-roaster

Specifications

  • Batch size (min-max): 140-280 kg of green coffee.
  • Roasting half batches is possible.
  • Maximum Capacity: 1,120 kg/h green coffee
  • Dimensions (LxWxH): 6045 x 3810 x 4089 mm
  • Shipping weight roaster: 3,402 kg
  • Equipped with an Infrared gas burner allowing to roast with conductive, convective, and radiant heat with total control.
  • Available in Auto mode

Electrical Details

  • Volts: 230v/50Hz (1-Phase) or 400V (3-phase)
  • Full load Amps: 84 Amp at 230V or 47 Amp at 400V
  • Roaster Main Breaker: 150 Amp at 230V or 90 Amp at 400V

Heating Details

  • Gas types: Liquid Propane (LP) or Natural Gas (NG)
  • Maximum Consumption: 469 kW
  • Typical consumption per roast: 105.5 kWh
  • Inlet gas supply connection: 1” female NPT on roaster
  • Exhaust airflow, Max: 3,398 Nm3/h
  • Cooling Air flow, Max: 8’495 Nm3/h
  • Exhaust duct outside diameter: 356 mm

Control Details

  • Simplified Controls: 2nd generation roast profile automation continues to advance coffee roasting.
  • Automation uses industrial-grade hardware, with friendly interface and offers operators the ability to precisely control the roast.
  • Variable speed from the HMI for the Roast Air, Cool Air, and Drum RPM
  • Separately controlled airflow for Roast Air and Cool Air
  • Quench in the drum using the automation
  • Manual quench in the roast air cyclone
  • Proximity sensors on the chaff gate that indicate if the gate is open or closed
  • Monitor and save roasting parameters with the batch control system.
  • Upgraded Automation Platform

Download the Guide

cr-280-commercial-roaster

Specifications

  • Batch size (min-max): 180-360 kg of green coffee, roasting half batches is possible.
  • Maximum Capacity: 1,440 kg/h green coffee
  • Dimensions (LxWxH): 6045 x 3810 x 4089 mm
  • Shipping weight roaster: 3,402 kg
  • Equipped with an Infrared gas burner allowing to roast with conductive, convective, and radiant heat with total control.
  • Available in Auto mode

Electrical Details

  • Volts: 230v/50Hz (1-Phase) or 400V (3-phase)
  • Full load Amps: 84 Amp at 230V or 47 Amp at 400V
  • Roaster Main Breaker: 150 Amp at 230V or 90 Amp at 400V

Heating Details

  • Gas types: Liquid Propane (LP) or Natural Gas (NG)
  • Maximum Consumption: 469 kW
  • Typical consumption per roast: 105.5 kWh
  • Inlet gas supply connection: 1” female NPT on roaster
  • Exhaust airflow, Max: 3,398 Nm3/h
  • Cooling Air flow, Max: 8’495 Nm3/h
  • Exhaust duct outside diameter: 356 mm

Control Details

  • Simplified Controls: 2nd generation roast profile automation continues to advance coffee roasting.
  • Automation uses industrial-grade hardware, with friendly interface and offers operators the ability to precisely control the roast.
  • Variable speed from the HMI for the Roast Air, Cool Air, and Drum RPM
  • Separately controlled airflow for Roast Air and Cool Air
  • Quench in the drum using the automation
  • Manual quench in the roast air cyclone
  • Proximity sensors on the chaff gate that indicate if the gate is open or closed
  • Monitor and save roasting parameters with the batch control system.
  • Upgraded Automation Platform

Download the Guide

TEC Square Project Management SL
TEC Square SL

Calle Sebastian Souviron 18, Atico 2
29005 Malaga
Spain
Tel: +34 (664) 389873

TEC Square BV

De Biestraat 18
4751 HC Oud Gastel
The Netherlands
Tel: +34 (664) 389873

TEC Square Solutions Inc.

Zuellig Avenue, NRA
Mandaue City, Cebu,
The Philippines, 6014
Tel: +63 (32) 5205899

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