Despatch LBB2-xxA/B-1 - Manual (Page 3)

LBB Series Oven Owner’s Manual
A BOUT T HIS M ANUAL
Version 15 3
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.
Table of Contents
1. About This Manual ............................................................................................................. 7
1.1. Important User Information ..................................................................................... 7
1.2. Manufacturer & Service .......................................................................................... 8
1.3. Organization of this Manual .................................................................................... 8
1.4. Conventions ............................................................................................................. 9
1.5. Specifications ........................................................................................................ 10
1.5.1. Dimensions ........................................................................................................ 10
1.5.2. Capacities .......................................................................................................... 11
1.5.3. Power ................................................................................................................. 11
1.5.4. Temperature ....................................................................................................... 13
1.5.5. LBB Series Oven Operating Conditions ........................................................... 14
2. Safety ................................................................................................................................ 15
2.1. Safety Information ................................................................................................. 15
2.1.1. Lockout .............................................................................................................. 15
2.1.1.1. Lockout Requirements ................................................................................... 15
2.1.1.2. Lockout Procedure ......................................................................................... 15
2.2. Provisions for Lifting and Carrying....................................................................... 16
2.3. Maintenance .......................................................................................................... 17
2.4. Electrical Power ..................................................................................................... 17
2.5. Fire ......................................................................................................................... 18
2.6. Equipment Lockout Requirements ........................................................................ 18
2.6.1. Emergency Stop ................................................................................................. 18
2.7. Disconnecting Devices .......................................................................................... 19
2.7.1. Power Requirements .......................................................................................... 19
2.7.2. Disconnecting Hard-Wired Units ...................................................................... 19
2.7.3. Disconnecting Corded Units .............................................................................. 19
2.7.4. Disconnecting Units with Optional Disconnect Switch .................................... 20
3. Theory of Operation ......................................................................................................... 21
3.1. The LBB Series Oven ............................................................................................ 21
3.1.1. Oven Theory ...................................................................................................... 22
3.2. Control Systems..................................................................................................... 22
3.2.1. Primary Control Instrument ............................................................................... 22
3.3. The Protocol 3 Controller ...................................................................................... 23
3.3.1. High Limit Instrument ....................................................................................... 24
3.3.1.1. Product High Limit Instrument ...................................................................... 24
3.3.1.2. Oven High Limit Instrument ......................................................................... 24
4. Assembly & Setup ............................................................................................................ 25
4.1. Unpack & Inspect the LBB Series Oven ............................................................... 25
4.1.1. If Damaged During Shipping ............................................................................ 25
4.2. Set-up the LBB Series Oven .................................................................................. 25
4.2.1. Select Oven Location/Operating Environment .................................................. 25
4.2.2. Set-up Procedure ............................................................................................... 26
4.2.3. Wiring & Power Connections ........................................................................... 27
5. Operation .......................................................................................................................... 29
5.1. Load Oven ............................................................................................................. 29
5.2. Pre-Startup Checklist ............................................................................................. 30
5.3. Operating Procedure .............................................................................................. 31