User Manual

LBB Series Oven Owner’s Manual ABOUT THIS MANUAL
Version 15 5
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.
8.3.8. LBB2-18-1 ......................................................................................................... 64
8.3.9. LBB2-27-1 ......................................................................................................... 65
8.4. Electrical Schematics ............................................................................................. 65
Figures
Figure 1. Disconnect Switch.......................................................................................................... 20
Figure 2. LBB Forced Convection Benchtop Oven. ..................................................................... 21
Figure 3. Horizontal Airflow through the LBB Oven. .................................................................. 21
Figure 4. LBB Series Oven Primary Control Instrument .............................................................. 22
Figure 5. Protocol 3 Operator Interface. ........................................................................................ 23
Figure 6. High Limit Instrument. .................................................................................................. 24
Figure 7. LBB Series Oven Name Plate. ....................................................................................... 27
Figure 8. LBB Series Oven with Top Removed. ........................................................................... 28
Figure 9. Wiring Access through Rear of Oven. ........................................................................... 28
Figure 10. Close-up of Connector Block. ...................................................................................... 28
Figure 11. LBB Series Oven Control Panel. ................................................................................. 32
Figure 12. Adjust Damper to Set Exhaust Vent by rotating the outer component. ....................... 32
Figure 13. Remove Control Panel to Access Control Instrument. ................................................ 46
Figure 14. Providing easy access to the Control instrument. ........................................................ 47
Figure 15. Remove Old Control and High Limit Instruments and Wiring (Rear View). .............. 47
Figure 16. Prepare to remove control instrument by removing the mounting bracket. ................. 48
Figure 17. Connections to Control Instrument. ............................................................................. 48
Figure 18. High Limit Connector Block on Control Board. .......................................................... 49
Figure 19. Press and Hold Tabs to Remove High Limit Instrument. ............................................ 50
Figure 20. Connections to High Limit Instrument. ....................................................................... 50
Figure 21. Connections to High Limit Instrument. ....................................................................... 50
Figure 22. Remove Screws to Remove Each Duct. ....................................................................... 51
Figure 23. Typical Heating Element. ............................................................................................ 52
Figure 24. Fan Motor Location and Close-up. .............................................................................. 53
Figure 25. Optional LBB Oven Stand. .......................................................................................... 57
Figure 26. Timer Option Displays and Switches. .......................................................................... 58
Figure 27. Stacking Kit Assembly Components. .......................................................................... 60
Figure 28. LBB1-23A-1 Schematic. .............................................................................................. 66
Figure 29. LBB1-23B-1 Schematic. .............................................................................................. 66
Figure 30. LBB1-43A-1 Schematic. .............................................................................................. 66
Figure 31. LBB1-43B-1 Schematic. .............................................................................................. 66
Figure 32. LBB1-69A-1 Schematic. .............................................................................................. 66
Figure 33. LBB1-69B-1 Schematic. .............................................................................................. 66
Figure 34. LBB2-12-1 Schematic. ................................................................................................. 66
Figure 35. LBB2-18-1 Schematic. ................................................................................................. 66
Figure 36. LBB2-27-1 Schematic. ................................................................................................. 66
Tables
Table 1. Operating/Environmental Conditions (For indoor use). .................................................. 14
Table 2. Control Instrument Explanations. .................................................................................... 23
Table 3. High Limit Instrument Explanations. .............................................................................. 24
Table 4. Control Instrument Operating Parameters. ...................................................................... 34
Table 5. Control Instrument Set-up Parameters. ........................................................................... 35