LAC Series Oven Owner’s Manual ABOUT THIS MANUAL
Version 106 3
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.
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 ......................................................................... 6
1.4. Conventions .................................................................................................. 7
1.5. Specifications ................................................................................................ 8
1.5.1. Dimensions ................................................................................................ 8
1.5.2. Capacities .................................................................................................. 9
1.5.3. Power ....................................................................................................... 10
1.5.4. Temperature ............................................................................................ 11
2. Safety .................................................................................................................... 12
2.1. Safety Information ...................................................................................... 12
2.1.1. Lockout.................................................................................................... 12
2.1.1.1. Lockout Requirements ......................................................................... 12
2.1.1.2. Lockout Procedure ............................................................................... 12
2.1.2. Door and Panel ........................................................................................ 13
2.2. Maintenance ................................................................................................ 13
2.3. Electrical Power .......................................................................................... 13
2.4. Fire .............................................................................................................. 14
2.5. Equipment Lockout Requirements ............................................................. 15
2.5.1. Emergency Stop ...................................................................................... 15
3. Theory of Operation .............................................................................................. 16
3.1. The LAC-6 Series Oven.............................................................................. 16
3.2. Damper Control .......................................................................................... 17
3.2.1. Determining Damper Settings ................................................................. 17
3.2.1.1. Damper Full-Closed Position .............................................................. 17
3.2.1.2. Damper Full-Open Position ................................................................. 17
3.2.1.3. Other Damper Settings ........................................................................ 18
3.3. The Protocol Plus Controller ...................................................................... 19
4. Assembly & Setup ................................................................................................ 20
4.1. Unpack & Inspect the LAC-6 Series Oven ................................................. 20
4.1.1. If Damaged During Shipping .................................................................. 20
4.2. Set-up the LAC-6 Series Oven ................................................................... 20
4.2.1. Select Oven Location/Operating Environment ....................................... 20
4.2.2. Set-up Procedure ..................................................................................... 21
4.2.3. Wiring & Power Connections ................................................................. 22
4.2.3.1. Wire LAC-6 Models 2-12 and 2-18 .................................................... 23
4.3. MRC5000 Setup (Optional) ........................................................................ 25
5. Operation............................................................................................................... 26
5.1. Load Oven ................................................................................................... 26
5.2. Pre-Startup Checklist .................................................................................. 27
5.3. Operating Procedure ................................................................................... 28
5.3.1. Start Oven ................................................................................................ 28
5.3.2. Working with Protocol Plus Operating Modes ....................................... 28
6. Maintenance .......................................................................................................... 29
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