LAC/LFC Series Oven Owner’s Manual PREFACE
Version 1.12 5
Copyright © 2018 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.
4.1.1. If Damaged During Shipping ............................................................................ 28
4.2. Set-Up the LAC-8 Series Oven ............................................................................. 29
4.2.1. Select Oven Location/Operating Environment .................................................. 29
4.2.2. Set-up Procedure ............................................................................................... 29
4.2.3. Wiring & Power Connections ........................................................................... 30
4.2.3.1. Wire LAC-8 Models 2-12 and 2-18 .............................................................. 31
5. Operation .......................................................................................................................... 34
5.1. Load Oven ............................................................................................................. 34
5.2. Pre-Startup Checklist ............................................................................................. 35
5.3. Operating Procedure .............................................................................................. 36
5.3.1. Start Oven .......................................................................................................... 36
5.3.2. Working with Protocol 3 Operating Modes ...................................................... 36
6. Maintenance ..................................................................................................................... 37
6.1. Checklist ................................................................................................................ 37
6.2. Test Airflow Switch and Purge Timer (LFC only; safety) .................................... 38
6.3. Lubrication ............................................................................................................ 39
6.4. Cleaning and Decontamination ............................................................................. 39
6.4.1. Cleaning the LAC-8 Series Oven ...................................................................... 39
6.4.2. Decontaminating the LAC-8 Series Oven ......................................................... 40
6.5. Routine Tests ......................................................................................................... 41
6.5.1. Recirculation and Exhaust Airflow Switch Test Operation .............................. 41
6.5.1.1. Alternative Method of Checking Power, Switches and Timer ...................... 42
6.5.1.2. Recirculation And Exhaust Airflow Switch Adjustment ............................... 43
6.5.1.3. Summary Switch Conditions ......................................................................... 44
6.6. Door Adjustment ................................................................................................... 45
6.7. Replacement Parts ................................................................................................. 45
6.7.1. Replace the Protocol 3 Controller ..................................................................... 46
6.7.2. Replace Heater Unit .......................................................................................... 47
6.7.3. Replace Fan Motor ............................................................................................ 48
7. Troubleshooting................................................................................................................ 49
7.1. Troubleshooting Symptoms ................................................................................... 49
7.2. Troubleshooting Error Messages and Alarms ....................................................... 51
8. Appendices ....................................................................................................................... 52
8.1. Standard Products Warranty .................................................................................. 52
8.2. LAC-8 Series Oven Options .................................................................................. 53
8.2.1. Optional MRC5000 Recorder Setup.................................................................. 53
8.2.2. Optional Pneumatic and Electronic Door Lock ................................................. 54
8.2.3. Optional Interior Light ...................................................................................... 54
8.2.4. Optional Door Interlock Switch (Controls Heater & Fan) ................................ 54
8.2.5. Optional High Limit Alarm with Alarm Silence ............................................... 54
8.2.6. Optional Forced Exhaust ................................................................................... 55
8.2.7. Optional Clean Dry Air (CDA)/Nitrogen .......................................................... 55
8.3. Mechanical Drawings ............................................................................................ 56
8.4. Electrical Schematics ............................................................................................. 56
Figures
Figure 1. Disconnect Switch.......................................................................................................... 20
Figure 2. Locate the recirculation airflow switches in the control compartment. ......................... 21
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