LAC/LFC Series Oven Owner’s Manual APPENDICES
Version 1.12 55
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.
8.2.6. Optional Forced Exhaust
The LAC-8 Series oven optional forced exhaust allows increased cooling by using an extra fan.
The forced exhaust is triggered by an event or by pressing Exhaust Fan on the control panel—or
both. Find more information about exhaust and the LAC-8 Series ovens in Sections 3.1, 3.2, 5.2
and 8.2.7. If the oven is to be operated with CDA option in combination with a forced exhaust,
please consult factory. The oven is safe to operate but measures can be taken to increase the life
of electrical components.
8.2.7. Optional Clean Dry Air (CDA)/Nitrogen
The LAC-8 Series oven optional CDA/Nitrogen provides clean dry air or inert gas for moisture
removal. CDA helps drive off moisture. Nitrogen helps drive off moisture and/or provide a light
blanket of nitrogen. Using nitrogen does not create low oxygen content—since this is an air unit it
always contains a small amount of fresh air exchange and the internal seams are not welded. Flow
is controlled by a solenoid valve turned ON or OFF through an Event in the Protocol 3 controller.
If the oven is to be operated with CDA option in combination with a forced exhaust, please
consult factory. The oven is safe to operate but measures can be taken to increase the life of
electrical components.
Danger!
The exhaust fan is open on the top for the purpose of
connection to ductwork. A duct or other means of protection
must be put in place prior to operation to prevent fingers or
other objects from contacting the moving fan.
Danger!
Use care when working with nitrogen. Nitrogen presents an
asphyxiation hazard. Handle nitrogen according the safe
handling procedures listed in the material safety data sheet
(MSDS).
Warning!
When used in conjunction with the optional forced exhaust fan,
insure the exhaust-fan damper is in the open position to
prevent the oven pressurization and overheating of electronics.
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