RFD1-42-2E WITH PROTOCOL 3TM CONTROLLER OWNER’S MANUAL C-247 PN 320297 VERSION 1 5/2012
RFD1-42-2E Oven Owner’s Manual Version 1 PREFACE 2 Revision History Revision 1 Date 5/2012 Author Livingston Description Revised for Protocol 3 and revised format. Copyright © 2012 by Despatch Industries. All rights reserved.
RFD1-42-2E Oven Owner’s Manual Version 1 Table of Contents 1. About This Manual............................................................................................................. 5 1.1. Important User Information ..................................................................................... 5 1.2. Manufacturer & Service .......................................................................................... 6 1.3. Organization of this Manual ..............................................
RFD1-42-2E Oven Owner’s Manual Version 1 PREFACE 4 7. 8. 6.1. Checklist ................................................................................................................ 24 6.2. Test Airflow Switch and Purge Timer ................................................................... 24 6.3. Lubrication ............................................................................................................ 25 6.4. Replacement Parts ........................................................
RFD1-42-2E Oven Owner’s Manual Version 1 1. ABOUT THIS MANUAL 5 About This Manual 1.1. Important User Information Copyright © 2012 by Despatch Industries. All rights reserved. No part of the contents of this manual may be reproduced, copied, or transmitted in any form or by any means including graphic, electronic, or mechanical methods or photocopying, recording, or information storage and retrieval systems without the written permission of the publisher, unless it is for the purchaser's personal use.
RFD1-42-2E Oven Owner’s Manual Version 1 ABOUT THIS MANUAL 6 The information in this document is not intended to cover all possible conditions and situations that might occur. The end user must exercise caution and common sense when installing or maintaining Despatch Industries products. If any questions or problems arise, call Despatch Industries at 1-888-DESPATCH or 1-952-469-5424. 1.2. Manufacturer & Service The RFD1-42-2E oven is manufactured by Despatch Industries.
RFD1-42-2E Oven Owner’s Manual Version 1 ABOUT THIS MANUAL 7 1.4. Conventions This icon signifies information that describes an unsafe condition that may result in death, serious injury, or damage to the equipment. Danger! Warning! Caution! Notice Danger is the signal word used to indicate a hazardous situation that, if not avoided, will result in death or severe injury. Warning is the signal word used to indicate a hazardous situation that, if not avoided, could result in death or severe injury.
RFD1-42-2E Oven Owner’s Manual Version 1 ABOUT THIS MANUAL 8 Capacity Exhaust at 177°C (350°F) (CFM) (H.P.) Recirculating fan (CFM) (H.P.) Net weight (Approximate) (Lbs) (KG) Shipping weight (Approximate) (Lbs) (KG) Solvent Handling Capabilities at 177ºC (350ºF) (GPH of M.E.K) 1.5.3. Model RFD1-42-2E 23 to 93 (10.9 - 43.9 lps) 1/50 425 (200 lps) 1/2 380 172 510 231 0.025 (0.
RFD1-42-2E Oven Owner’s Manual Version 1 ABOUT THIS MANUAL 9 Feature * Uniformity at Range Model RFD1-42-2E 260°C +/- 3.4° C 343°C +/- 4.2° C Dampers Open 40°C Dampers Closed 50°C Minimum Operating Temperature (approximate w/20°C Ambient) Control Stability (∆ represents the change in ambient temperature) +/- 0.5ºC/5ºC ∆ Repeatability +/- 0.5ºC 1.5.4. Power Line voltages may vary in some geographies.
RFD1-42-2E Oven Owner’s Manual Version 1 ABOUT THIS MANUAL 10 1.5.5. Capability The RFD1-42-2E oven is specifically designed for Class A NFPA 86 requirements in which flammable solvents are present. They include a pressure relief panel, purge timer and exhaust fan. Please note the solvent handling capabilities and do not exceed those capabilities. Danger! Class A ovens are designed for a specific amount of solvent. Exceeding this amount could result in an explosion.
RFD1-42-2E Oven Owner’s Manual Version 1 2. Safety 2.1. Safety Information Do not work on the RFD1-42-2E oven without reading and understanding this section which contains important information and warnings. Ignoring these warnings can result in death, serious injury or damage to the machine and product. 2.1.1. Lockout Machine lockout places the RFD1-42-2E oven into a zero energy state and prevents accidental machine start up.
RFD1-42-2E Oven Owner’s Manual Version 1 SAFETY 12 2.2. Maintenance Only qualified and trained personnel should perform maintenance or repair. 2.3. Electrical Power Only qualified and trained personnel should perform electrical maintenance or electrical repair. Danger! Contact with energized electrical sources may result in serious injury or death. Before performing maintenance, disconnect all electrical power from the machine.
RFD1-42-2E Oven Owner’s Manual Version 1 2.5.1. SAFETY 13 Optional Disconnect Switch The RFD1-42-2E oven has an optional Disconnect Switch (Figure 1). This Disconnect Switch is located on the front of the oven and connected to the load break switch behind the panel that disconnects or connects power from the main line. When a risk of personal injury or damage to the RFD1-42-2E oven exists, turn off the Disconnect Switch. This shuts off all electrical power to the oven. Figure 1. Disconnect Switch.
RFD1-42-2E Oven Owner’s Manual Version 1 THEORY OF OPERATION 14 3. Theory of Operation 3.1. The RFD1-42-2E Oven Despatch RFD1-42-2E ovens (Figure 2) are Class A ovens specifically designed to meet NFPA 86 requirements. They effectively distribute heat and have very fast processing times compared to other lab ovens their size.
RFD1-42-2E Oven Owner’s Manual Version 1 Notice THEORY OF OPERATION 15 With the damper in full closed position, a predetermined amount of fresh air enters the chamber via cutaways in the fresh air and exhaust dampers. This amount of fresh air meets NFPA86 Safety Guidelines for Class A ovens. 3.2. Damper Control The RFD1-42-2E oven comes with a manually adjustable damper mechanism which controls the flow of fresh air into the chamber. The damper control is located on the left side of the oven (Figure 3).
RFD1-42-2E Oven Owner’s Manual Version 1 THEORY OF OPERATION 16 The chamber cannot readily dissipate heat generated by friction without a fully open fresh air damper. With the fresh air damper fully open, the thermal equilibrium temperature is the minimum operating temperature of the chamber. 3.2.1.3. When the damper is in full open position, the oven may not be able to heat to the maximum oven operating temperature.
RFD1-42-2E Oven Owner’s Manual Version 1 THEORY OF OPERATION 17 product does not have a critical high temperature limit, the High Limit setpoint should be set 5 to 15 degrees higher than the maximum programmed setpoint at which the oven will operate. The Protocol 3 controller provides three primary operating modes: Manual: Oven operates continuously at a fixed temperature until turned off. Timer: Oven operates at a fixed temperature for a user-selected time period, and then automatically turns off.
RFD1-42-2E Oven Owner’s Manual Version 1 ASSEMBLY & SETUP 18 4. Assembly & Setup Assembly and Setup provides directions for unpacking and installing your RFD1-42-2E oven. 4.1. Unpack & Inspect The RFD1-42-2E Oven Remove all packing materials and thoroughly inspect the oven for any damage that might have occurred during shipment. Note the condition of the carton and plastic cover sheet inside the carton. Observe all outside surfaces and corners of the oven for scratches and dents.
RFD1-42-2E Oven Owner’s Manual Version 1 ASSEMBLY & SETUP 19 Warning! Do not use the oven in wet, corrosive or explosive atmospheres unless this oven is specifically designed for a special atmosphere. Notice 4.2.1.1. 4.2.2. Single Oven Placement Requirements Place oven on a solid foundation such as a bench top, an optional cabinet base, or directly on the floor. Allow at least two inches clearance at the rear of the oven to provide proper ventilation.
RFD1-42-2E Oven Owner’s Manual Version 1 ASSEMBLY & SETUP 20 Table 1. Exhaust Connection Requirements. Requirements Exhaust Outlet Rectangular Discharge Opening Size (in) (cm) Round Discharge Opening Size RFD1-42-2E 1-3/4 x 2-3/4 4.4 x 7 Greater than area of exhaust stack (typically 3 inches diameter stack) Flashing through roof or wall must be capable of handling temperature of up to: (ºC) (ºF) Notice 4.2.3.
RFD1-42-2E Oven Owner’s Manual Version 1 5. OPERATION 21 Operation Users and operators of this oven must comply with operating procedures and training of operating personnel as required by the Occupational Safety and Health Act (OSHA) of 1970, Section 5 and relevant safety standards, and other safety rules and regulations of state and local governments. Refer to the relevant safety standards in OSHA and National Fire Protection Association (NFPA), Section 86 of 1990.
OPERATION 22 RFD1-42-2E Oven Owner’s Manual Version 1 The two shelves are designed to be pulled out about halfway without tipping. Do not overload the shelves. Shelve support capacity is listed in the Capacities section (1.5.2). Do not overfill your oven. Distribute the workload evenly so airflow is not restricted. The workload should not take up more than two-thirds of any dimension of the inside cavity. Danger! This equipment is designed for a specific amount of solvent.
RFD1-42-2E Oven Owner’s Manual Version 1 OPERATION 23 5.3. Operating Procedure 5.3.1. Start Oven For fastest oven heat-up time, close the fresh-air vent. After reaching the desired temperature, adjust the vent as needed. If your oven is equipped with a Disconnect Switch, turn it to ON before starting the fan. 1. Start the fan. a. Open oven door. b. Set POWER to ON. You will hear the sound of the recirculating fan starting. c. Shut oven door. d. Check that the control display turns ON. 2.
MAINTENANCE 24 6. RFD1-42-2E Oven Owner’s Manual Version 1 Maintenance Do not attempt any service on this oven before opening the main power Disconnect Switch. Danger! Disconnect all power sources before making repairs. Contact with energized electrical sources may result in serious injury or death. 6.1. Checklist Keep equipment clean. Gradual dirt accumulation retards airflow.
RFD1-42-2E Oven Owner’s Manual Version 1 Purge Timer socket MAINTENANCE 25 2 & 3F Fuse blocks Power Terminal Block Neutral Terminal 2 Indicator LED’s 1LED 2LED 3LED 4L1, 1H2 & 1H1 Connections 1F& 4F Fuse blocks Figure 7. RFD1-42-2E Circuit Board. Danger! Disconnect and lock out the power supply before opening the panel to test the airflow switch and purge timer or work with the circuit board. Failure to lock out the power supply can result in death or injury. 6.3.
MAINTENANCE 26 6.5. RFD1-42-2E Oven Owner’s Manual Version 1 Repairs 6.5.1. Protocol 3 Controller Refer to the Protocol 3 Owner’s Manual for instructions on replacing the Protocol 3 controller. Danger! Disconnect all power sources before making repairs. Contact with energized electrical sources may result in serious injury or death. 6.5.2. Heater Unit Follow these guidelines to repair the RFD1-42-2E oven heater unit if necessary.
RFD1-42-2E Oven Owner’s Manual Version 1 MAINTENANCE 27 Danger! Disconnect all power sources before making repairs. Contact with energized electrical sources may result in serious injury or death. Directions: 1. Remove left and right inside walls. 2. Remove chamber floor plate from oven. 3. Remove fan inlet plate. 4. Loosen set screws (2) on fan wheel. 5. Remove side access panel. This will reveal the fan motor. 6. Remove fan motor. a. Disconnect motor leads from circuit board. b.
TROUBLESHOOTING 28 7. RFD1-42-2E Oven Owner’s Manual Version 1 Troubleshooting 7.1. Possible Problems and Suggested Solutions Equipment which operates for long periods of time may develop problems. Table 2 lists possible problems and suggested solutions. If you have a problem not listed and a question about how to handle it, contact Despatch Industries at our toll free Help Line: 800-473-7373. Table 2. Possible Problems and Suggested Solutions.
RFD1-42-2E Oven Owner’s Manual Version 1 Difficulty Erratic temp. or inaccurate temp TROUBLESHOOTING 29 Probable Cause Suggested Remedy Protocol 3 controller malfunction Replace Protocol 3 controller. Improper tuning parameters Check tuning parameters. Protocol 3 controller miscalibration Recalibrate Protocol 3 controller (see Protocol 3 Controller Owner’s Manual for further instruction). High Limit setting High Limit should be 10-25ºC higher than setpoint.
TROUBLESHOOTING 30 RFD1-42-2E Oven Owner’s Manual Version 1 Danger! Table 3 lists troubleshooting steps that must be performed by a qualified electrician or electrical technician trained on electrical safety and the use of personal protective equipment. Table 3. Troubleshooting with Control Panel Mounted Circuit Board.
RFD1-42-2E Oven Owner’s Manual Version 1 8. APPENDICES 31 Appendices 8.1. Standard Products Warranty Copyright © 2012 by Despatch Industries. All rights reserved. No part of the contents of this manual may be reproduced, copied or transmitted in any form or by any means including graphic, electronic, or mechanical methods or photocopying, recording, or information storage and retrieval systems without the written permission of Despatch Industries, unless for purchaser's personal use.
APPENDICES 32 RFD1-42-2E Oven Owner’s Manual Version 1 8.2. MRC5000 Setup (Optional) Refer to instructions provided by the recorder manufacturer for more specific installation notes. Temperature is retransmitted to the MRC5000 recorder from the controller. To set up the recorder: 1. Ensure hardware jumper JU1 is in place for the 5 VDC setting (Refer to MRC5000 Manual included). 2. Move MODE to PROG/TEST/CAL to display Prog. 3. Press ▼ twice to display Inps. Move to each Parameter Code using ▼or ▲.
RFD1-42-2E Oven Owner’s Manual Version 1 APPENDICES 33 Figure 8. RFD1-42-2E (Drawing 320214-01). Copyright © 2012 by Despatch Industries. All rights reserved. No part of the contents of this manual may be reproduced, copied or transmitted in any form or by any means including graphic, electronic, or mechanical methods or photocopying, recording, or information storage and retrieval systems without the written permission of Despatch Industries, unless for purchaser's personal use.
APPENDICES 34 RFD1-42-2E Oven Owner’s Manual Version 1 Figure 9. RFD1-42-2E (Drawing 320214-02). Copyright © 2012 by Despatch Industries. All rights reserved. No part of the contents of this manual may be reproduced, copied or transmitted in any form or by any means including graphic, electronic, or mechanical methods or photocopying, recording, or information storage and retrieval systems without the written permission of Despatch Industries, unless for purchaser's personal use.
RFD1-42-2E Oven Owner’s Manual Version 1 APPENDICES 35 Figure 10. RFD1-42-2E (Drawing 320214-03). Copyright © 2012 by Despatch Industries. All rights reserved. No part of the contents of this manual may be reproduced, copied or transmitted in any form or by any means including graphic, electronic, or mechanical methods or photocopying, recording, or information storage and retrieval systems without the written permission of Despatch Industries, unless for purchaser's personal use.
APPENDICES 36 RFD1-42-2E Oven Owner’s Manual Version 1 Figure 11. RFD1-42-2E (Drawing 320215-01). Copyright © 2012 by Despatch Industries. All rights reserved. No part of the contents of this manual may be reproduced, copied or transmitted in any form or by any means including graphic, electronic, or mechanical methods or photocopying, recording, or information storage and retrieval systems without the written permission of Despatch Industries, unless for purchaser's personal use.
RFD1-42-2E Oven Owner’s Manual Version 1 APPENDICES 37 Figure 12. RFD1-42-2E (Drawing 320215-02). Copyright © 2012 by Despatch Industries. All rights reserved. No part of the contents of this manual may be reproduced, copied or transmitted in any form or by any means including graphic, electronic, or mechanical methods or photocopying, recording, or information storage and retrieval systems without the written permission of Despatch Industries, unless for purchaser's personal use.
APPENDICES 38 RFD1-42-2E Oven Owner’s Manual Version 1 Figure 13. RFD1-42-2E (Drawing 320215-03). Copyright © 2012 by Despatch Industries. All rights reserved. No part of the contents of this manual may be reproduced, copied or transmitted in any form or by any means including graphic, electronic, or mechanical methods or photocopying, recording, or information storage and retrieval systems without the written permission of Despatch Industries, unless for purchaser's personal use.
RFD1-42-2E Oven Owner’s Manual Version 1 TROUBLESHOOTING 39 3rdDraft— Copyright © 2012 by Despatch Industries. All rights reserved. No part of the contents of this manual may be reproduced, copied or transmitted in any form or by any means including graphic, electronic, or mechanical methods or photocopying, recording, or information storage and retrieval systems without the written permission of Despatch Industries, unless for purchaser's personal use.
