Table of Contents
Advertisement
Quick Links
DR-12 Roasting System Manual
Please read all sections of this manual and retain them for future reference.
Diedrich Roasters LLC, 850 Hawthorne Ave., Ponderay, ID 83852
Toll Free: (844) 343-3742
Technical Support: support@diedrichroasters.com
Visit our website www.Diedrichroasters.com
PROPRIETARY RIGHTS NOTICE: All rights reserved. No part of this material may be reproduced or transmitted in any form or by
means, electronic, mechanical, or otherwise, including photocopy and recording or in connection with any information storage or
retrieval system, without the written permission of Diedrich Roasters, LLC.
Original Instructions
IOM-DR12-0001
Release Date: 2/9/2024 Revision: A
Page 1 of 41
Advertisement
Table of Contents
Troubleshooting
Related Manuals for Diedrich Roasters DR-12
Summary of Contents for Diedrich Roasters DR-12
- Page 1 PROPRIETARY RIGHTS NOTICE: All rights reserved. No part of this material may be reproduced or transmitted in any form or by means, electronic, mechanical, or otherwise, including photocopy and recording or in connection with any information storage or retrieval system, without the written permission of Diedrich Roasters, LLC. Original Instructions...
-
Page 2: Table Of Contents
Table of Contents FACILITY AND INSTALLATION PREPARATIONS ........................4 1.1..................4 DDITIONAL EQUIPMENT MAY BE REQUIRED TO OPERATE THIS COFFEE ROASTER EQUIPMENT TECHNICAL DATA ............................. 5 SHIPPING INFORMATION ..............................6 EQUIPMENT DRAWINGS ............................... 6 4.1................................. 7 RONT SOMETRIC 4.2. - Page 3 10.5.1. Burner Compartment ..............................29 10.5.2. Chaff barrel ..................................29 10.5.3. Cyclone Blower Housing Fan Removal and Cleaning ..................... 30 10.5.4. Cooling Bin / Agitator / Cooling blower ......................... 31 10.5.5. The Roast Air Box to Cyclone and Roast Air Pressure Switch Port ................. 31 10.5.6.
-
Page 4: Facility And Installation Preparations
Anticipate approximately 15 business days from submittal of forms for Diedrich to complete our part. Diedrich Roasters, LLC may assist with a customized layout to fit within a specified space. This service is primarily available for Diedrich systems with roasters and other ancillary equipment. -
Page 5: Equipment Technical Data
2. EQUIPMENT TECHNICAL DATA Equipment Information English units Metric units 13.25 – 26.5 lbs. Green coffee capacity, min-max 6 - 12 kg 81 x 35 x 86 in 2.0574 x 0.889 x 2.184m Dimensions , maximum L x W Recommended space 153 x 112 x 104 in 3.886 x 2.845 x 2.641 m minimum L x W... -
Page 6: Shipping Information
1702 x 1981 x 2159 mm 4. EQUIPMENT DRAWINGS Request full system layouts from Diedrich Roasters, LLC for specific equipment dimensional information and general locations for utility connection. This section contains drawing views with dimensions and component descriptions. These drawings are valuable for familiarization with the Diedrich equipment and for space and utility connection planning. -
Page 7: Front Left - Isometric View
4.1. Front Left - Isometric View IOM-DR12-0001 Release Date: 2/9/2024 Revision: A Page 7 of 41... -
Page 8: Front Right - Isometric View
4.2. Front Right - Isometric View IOM-DR12-0001 Release Date: 2/9/2024 Revision: A Page 8 of 41... -
Page 9: Front View
4.3. Front View IOM-DR12-0001 Release Date: 2/9/2024 Revision: A Page 9 of 41... -
Page 10: Left Side View
4.4. Left Side View IOM-DR12-0001 Release Date: 2/9/2024 Revision: A Page 10 of 41... -
Page 11: Rear View
4.5. Rear View IOM-DR12-0001 Release Date: 2/9/2024 Revision: A Page 11 of 41... -
Page 12: Right Side View
4.6. Right Side View IOM-DR12-0001 Release Date: 2/9/2024 Revision: A Page 12 of 41... -
Page 13: Top View
4.7. Top View IOM-DR12-0001 Release Date: 2/9/2024 Revision: A Page 13 of 41... -
Page 14: Top View With Space And Utility Connection Information
4.8. Top View with Space and Utility Connection Information IOM-DR12-0001 Release Date: 2/9/2024 Revision: A Page 14 of 41... -
Page 15: Component Descriptions
5. Component Descriptions NOTE: In this manual, references of left and right-hand side are determined by facing the front of roaster. Roaster: The upper portion of the roaster consists of a carbon steel, A roasting drum with a unique paddle arrangement supported by bearings mounted at each end and driven by a heavy-duty gearmotor. -
Page 16: Safety
Keep your hands away from heat and all moving parts. Products roasted in Diedrich roasters are not intended for direct consumption. As such, products to be consumed following the roasting process should be prepared in accordance with local health standards. -
Page 17: Dangers, Warnings, And Cautions
6.2. Dangers, Warnings, and Cautions The following safety indicators are found on the roaster, to identify potential hazards. DANGER: Electric shock and/or hazard risk. WARNING: Pinch point. Keep hands clear during operation. CAUTION: Hot surface. Do not touch. Throughout this manual, the following signal words are used to identify the degree of seriousness in any operation that presents a potentially hazardous situation. -
Page 18: Installation Safety
6.4. Installation Safety Improper installation, adjustment, alteration, service, or maintenance can cause property damage, injury, or death. Read the roasting system manual instructions thoroughly before installing or servicing this equipment. • Keep the area around the Equipment free and clear from combustibles and always maintain a minimum of 18-inches clearance around the roaster. -
Page 19: Installation Instructions
7. INSTALLATION INSTRUCTIONS Professional installation is required. Your local building authority should be contacted to obtain local codes and installation requirements before installing your roaster. 7.1. Receiving Equipment Upon receipt of your equipment, immediately check for crate damage. On larger roasters, there is a “tip tell” indicator in the upper right corner of the crate. -
Page 20: Positioning / Leveling The Equipment
7.3. Positioning / Leveling the Equipment The final layout of purchased equipment is often customer specific please place equipment by using customer specific layout provided to the customer. The equipment must be placed on a flat, non-combustible floor that meets the weight-bearing requirements of local codes. -
Page 21: Gas Connection
• Do not remove any labels, warnings, or rating plates from the equipment or from its components as this may void the manufacturer’s and Diedrich Roasters’ warranties. • All electrical components supplied in the equipment are grounded electrically to the equipment frame. -
Page 22: Exhaust Ducting
7.6. Exhaust ducting See “2 EQUIPMENT TECHNICAL DATA” for ducting requirements & specifications / layout. One of the most important aspects of the equipment installation is the use of an approved exhaust ducting system, it can greatly affect the equipment performance and the product quality. The cost and time to order and install the exhaust ducting are also important customer considerations. -
Page 23: Operation
8. OPERATION The instructions below are for the sole purpose of checking the machine installation and operation while contractors are present. For normal operation please read the automation manual provided with the machine. 8.1. Operator Control Console/ HMI Emergency stop: The emergency stop button turns off all control power when pushed in. All the motors will stop, and the gas will shut off. -
Page 24: Fire Procedures
8.4. Fire Procedures It is the customer’s responsibility to put their own facility fire procedures in place for the roasting equipment and facilities. Fires can happen in any part of the machine or ducting. A good cleaning and maintenance plan is the best way to prevent fires. All personnel working with or around the equipment should be trained in fire procedures. -
Page 25: Roasting
Diedrich roasters are specifically designed to require minimal maintenance. Following 10.3 will help to achieve your performance expectations. -
Page 26: Suggested Hand Tools & Lubricants
10.1. Suggested Hand Tools & Lubricants Suggested tools Suggested lubricants • • Allen wrench set (both English and metric) High Temperature Food Grade Grease • Wrench set: 5/16” 3/4” (available for purchase from Diedrich • Roasters, LLC): Use on bearings. Phillips 3-inch screwdriver #2, and #3 •... -
Page 27: Equipment Cleaning & Maintenance Schedule
10.3. Equipment Cleaning & Maintenance Schedule Diedrich Equipment Cleaning & Maintenance Schedule Every 4 hours or as necessary Date Initials Empty chaff barrel (1/2 to ¾ full barrel should be emptied). Daily Date Initials Empty and vacuum any chaff and/or bean debris from the burner compartment. Inspect perforated cooling bin screen for clogging. -
Page 28: Lubrication
10.4. Lubrication 10.4.1. Grease Front Drum and Rear Drum Bearings Failure to lubricate the bearings may cause premature failure. USE HIGH TEMPERATURE FOOD GRADE GREASE ONLY. NOTE: The grease will flow more easily if the equipment is warm. It is best done after finishing the day's roasting while the equipment is still hot and with drum rotating. -
Page 29: Cleaning Points
10.5. Cleaning Points • Burner Compartment - Located behind the mid-level access panel on either side of the roaster. • Roast Air Blower & Cyclone - internal cleaning of cyclones with over 1/8in buildup. • Cooling Air Blower - Air impeller and associated housing - the air moving unit for each air flow associated with the roasting system. -
Page 30: Cyclone Blower Housing Fan Removal And Cleaning
10.5.3. Cyclone Blower Housing Fan Removal and Cleaning Cyclone • The residue that builds up inside the cyclone should never be more than 1/8 inch (3 mm) thick. • Before cleaning the chaff collection cyclone internally, adequate ventilation must be provided. •... -
Page 31: Cooling Bin / Agitator / Cooling Blower
• Stuck debris will need to be manually cleared from the screen with the use of the following tools: o Diedrich Roasters screen cleaner wheel o Wire brushes o A pointy object like small screwdriver, pick, or awl To clean the agitator: •... -
Page 32: Ducting Equipment And Building Exhaust
10.5.6. Ducting Equipment and Building Exhaust The residue build-up within the venting acts as fuel in the event of a ducting fire. Air ducts must be thoroughly cleaned if more than 1/8 inch (3.0 mm.) of residue accumulates in any part of the vent system. The air ducts include the front air plenum, the ducting from the drum and cooling bin exhausts, through the cyclone blower and afterburner systems, and the ducting from the cyclone/afterburner to the exhaust of the building. -
Page 33: Troubleshooting
TROUBLESHOOTING 11.1. General Troubleshooting PROBLEM POSSIBLE SOLUTION Check main power and ensure emergency stop button is disengaged No power to the roaster (pulled out) and reset. Check circuit breakers are on. Error code “FA B” on Dungs display. Ensure roaster has been thoroughly cleaned as excessive build-up of residue will interrupt the Dungs ignition module. -
Page 34: Dungs Ignition Module Flow Chart
11.2. Dungs Ignition Module Flow Chart IOM-DR12-0001 Release Date: 2/9/2024 Revision: A Page 34 of 41... -
Page 35: Dungs Ignition Table Of General Fault Codes
11.2.1. Dungs Ignition Table of General Fault Codes TABLE 1: FAULT CODES ERROR ID DESIGNATION CHECK Check gas pressure switches (min pressure & max F A2 SAFETY CHAIN OPEN pressure may need manual reset). Flame was not sensed for pilot during State 11 (See Dungs Flow Chart) Check that gas is igniting, and flame is NO FLAME DURING FIRST F A7... -
Page 36: Dungs Ignition Troubleshooting Using State View
11.2.2. Dungs Ignition Troubleshooting Using State View • With the ignition module powered, press both “plus” & “minus” buttons at the same time and release quickly. o This will display the state number instead of the display information. • The State Number (reference the Dungs Flow Chart) is used to indicate at which point in the ignition sequence the ignition module is in. -
Page 37: Gas Conversion Instructions
GAS CONVERSION INSTRUCTIONS Tools Recommended: • #2 Philips Screwdriver • 5/8” Wrench • 7/16” Socket • ½” Socket • ½” Wrench • 7/16” Wrench • Parts required: Correct LP or Nat Gas Conversion Kit 12.1. Main Burner Orifice Change: • Turn off gas and disconnect power to the roaster. -
Page 38: Gas Train Tuning
13. CERTIFICATES & CONFORMITIES Diedrich Roasters, LLC manufactures coffee roasters in compliance with UL or CE regulations. The roasters are built to order, specifically to the standards of the governing regulatory body in the country of operation. -
Page 39: Eu Declaration Of Conformity
13.1. EU Declaration of Conformity IOM-DR12-0001 Release Date: 2/9/2024 Revision: A Page 39 of 41... -
Page 40: Ul 508A, Industrial Control Panels C22.2 No. 14, Industrial Control Equipment
13.2. UL 508A, Industrial Control Panels C22.2 No. 14, Industrial Control Equipment IOM-DR12-0001 Release Date: 2/9/2024 Revision: A Page 40 of 41... -
Page 41: Ansi Z83.11B-2016/Csa 1.8B-2016 Certificate Of Compliance Standard For Gas Food Service Equipment
13.3. ANSI Z83.11b-2016/CSA 1.8b-2016 CERTIFICATE OF COMPLIANCE Standard for Gas Food Service Equipment, IOM-DR12-0001 Release Date: 2/9/2024 Revision: A Page 41 of 41...
Need help?
Do you have a question about the DR-12 and is the answer not in the manual?
Questions and answers