LBB Series Oven Owner
’s Manual
A
BOUT
T
HIS
M
ANUAL
Version 13
5
Copyright © 2011 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.
8.4.
Electrical Schematics .................................................................................. 66
Figures
Figure 1. LBB Forced Convection Benchtop Oven. ......................................................... 19
Figure 2. Horizontal Airflow through the LBB Oven. ...................................................... 19
Figure 3. LBB Series Oven Primary Control Instrument ................................................. 21
Figure 4. Protocol Plus Displays and Control Buttons. .................................................... 22
Figure 5. Hi-Limit Instrument........................................................................................... 23
Figure 6. LBB Series Oven Name Plate. .......................................................................... 26
Figure 7. LBB Series Oven with Top Removed. .............................................................. 27
Figure 8. Wiring Access through Rear of Oven. .............................................................. 27
Figure 9. Close-up of Connector Block. ........................................................................... 27
Figure 10. LBB Series Oven Control Panel. ..................................................................... 31
Figure 11. Adjust Damper to Set Exhaust Vent by rotating the outer component. .......... 31
Figure 12. Remove Control Panel to Access Control Instrument. .................................... 44
Figure 13. Providing easy access to the Control instrument. ............................................ 44
Figure 14. Remove Old Control and Hi-Limit Instruments and Wiring (Rear view). ...... 45
Figure 15. Prepare to remove control instrument by removing the mounting bracket. .... 45
Figure 16. Connections to Control Instrument. ................................................................ 46
Figure 17. Hi-Limit Connector Block on Control Board. ................................................. 47
Figure 18. Press and Hold Tabs to Remove Hi-Limit Instrument. ................................... 47
Figure 19. Connections to Hi-Limit Instrument. .............................................................. 48
Figure 20. Connections to Hi-Limit Instrument. .............................................................. 48
Figure 21. Remove Screws to Remove Each Duct. .......................................................... 49
Figure 22. Typical Heating Element. ................................................................................ 51
Figure 23. Fan Motor Location and Close-up. .................................................................. 52
Figure 24. Optional LBB Oven Stand............................................................................... 56
Figure 25. Timer Option Displays and Switches. ............................................................. 57
Figure 26. Stacking Kit Assembly Components. .............................................................. 60
Figure 27. LBB1-23A-1 Schematic. ................................................................................. 67
Figure 28. LBB1-23B-1 Schematic. ................................................................................. 67
Figure 29. LBB1-43A-1 Schematic. ................................................................................. 67
Figure 30. LBB1-43B-1 Schematic. ................................................................................. 67
Figure 31. LBB1-69A-1 Schematic. ................................................................................. 67
Figure 32. LBB1-69B-1 Schematic. ................................................................................. 67
Figure 33. LBB2-12-1 Schematic. .................................................................................... 67
Figure 34. LBB2-18-1 Schematic. .................................................................................... 67
Figure 35. LBB2-27-1 Schematic. .................................................................................... 67
Tables
Table 1. Control Instrument Explanations. ....................................................................... 21
Table 2. Hi-Limit Instrument Explanations. ..................................................................... 23
Table 3. Control Instrument Operating Parameters. ......................................................... 33
Table 4. Control Instrument Set-up Parameters. ............................................................... 34
