User Manual
Table Of Contents
- Revision History
- Table of Contents
- Figures
- Tables
- 1. About This Manual
- Copyright © 2012 by Despatch Industries.
- Printed and bound in the United States of America.
- Table 1. Operating/Environmental Conditions (For indoor use).
- 2. Safety
- 2.1. Safety Information
- 2.1.1. Lockout
- 2.1.1.1. Lockout Requirements
- 2.1.1.2. Lockout Procedure
- 2.2. Provisions for Lifting and Carrying
- 2.3. Maintenance
- 2.4. Electrical Power
- 2.5. Fire
- 2.6. Equipment Lockout Requirements
- 2.6.1. Emergency Stop
- 2.7. Disconnecting Devices
- 2.7.1. Power Requirements
- 2.7.2. Disconnecting Hard-Wired Units
- 2.7.3. Disconnecting Corded Units
- 2.7.4. Disconnecting Units with Optional Disconnect Switch
- 3. Theory of Operation
- Table 2. Control Instrument Explanations.
- Review the Protocol 3 Controller Owner’s Manual for more information.
- Table 3. High Limit Instrument Explanations.
- 4. Assembly & Setup
- 5. Operation
- Table 4. Control Instrument Operating Parameters.
- Table 5. Control Instrument Set-up Parameters.
- Refer to Table 5 to change tuning parameters, if necessary.
- Table 6. High Limit instrument Setup Parameters.
- 6. Maintenance
- 6.1. Checklist
- 6.2. Lubrication
- 6.3. Cleaning and Decontamination
- 6.3.1. Cleaning the LBB Series Oven
- 6.3.2. Decontaminating the LBB Series Oven
- 6.4. Routine Tests
- 6.4.1. Test Control Instrument
- 6.4.2. Test High Limit Instrument
- 6.5. Replacement Parts
- 6.5.1. Replace the Control Instrument
- 6.5.2. Replace High Limit Instrument
- 6.5.3. Replace (Optional) Protocol 3 Controller
- 6.5.4. Replace Heater Unit
- 6.5.5. Replace Fan Motor
- 7. Troubleshooting
- Table 7. Common Technical Issues and Remedies.
- 8. Appendices
- Each oven schematic (Section 0) shows the wiring for this option.
- Each oven schematic (Section 8.4) shows the wiring for this option.
- Each oven schematic (Section 0) shows the wiring for this option.
- Table 8. LBB1-23A-1 Parts.
- Table 9. LBB1-23B-1 Parts.
- Table 10. LBB1-43A-1 Parts.
- Table 11. LBB1-43B-1 Parts.
- Table 12. LBB1-69A-1 Parts.
- Table 13. LBB1-69B-1 Parts.
- Table 14. LBB2-12-1 Parts.
- Table 15. LBB2-18-1 Parts.
- Table 16. LBB2-27-1 Parts.

LBB Series Oven Owner’s Manual OPERATION
Version 15 33
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.
5.4. Working with the Control Instrument
Danger!
Failure to heed warnings in this instruction manual and on the
oven could result in personal injury, property damage or death.
The LBB Series oven is factory tested and the controls have been factory-set for normal operating
conditions.
In most applications it is not necessary to alter the oven’s
settings, except for Setpoint.
This section contains information for changing setpoints, programming modes, and displaying
temperature, along with instructions for oven zone calibration, parameter setup mode and
troubleshooting.
5.4.1. Change Setpoint
Warning!
Never operate oven at a temperature in excess of the maximum
operating temperature of 204°C (400°F).
To enter Setpoint on the Control instrument:
1. Press . SP will light.
2. Use ▲ and ▼ to set the operating temperature.
a. The right decimal point LED will flash indicating the Setpoint is being changed.
b. The right decimal point LED stops flashing when the new value has been entered.
3. Press to enter the Setpoint.
4. Press again to display the process temperature.