LBB Series Oven Owner’s Manual OPERATION
Version 13 29
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.
For units where the controls are on the bottom, avoid spilling on the heater elements or
oven floor when loading the oven. Do not place the load on the oven floor plate. Placing
the load on the oven floor may cause the load to heat unevenly and the weight may cause
shorting out of the heater elements. Use the shelves provided.
Caution!
Always place loads on the shelves provided to avoid possible
uneven heating and damage to the oven.
5.2. Pre-Startup Checklist
Warning!
Do not use flammable solvent or other flammable material in this
oven. Do not process closed containers of any substance or
liquid in this oven because they may explode under heat.
□ Know the system. Read this manual carefully. Make use of its instructions and
explanations. Safe, continuous, satisfactory, trouble-free operation depends primarily
on your degree of understanding the system and your willingness to keep all parts in
proper operating condition.
□ Check line voltage. Voltage must correspond to nameplate requirements of motors
and controls. A wrong voltage can result in serious damage. Refer to Section 1.5.4 for
more information.
□ Check fresh air and exhaust openings. Do not be careless about restrictions in and
around the fresh air and exhaust openings and stacks. Under no condition can they be
permitted to become so filled with dirt that they reduce airflow. Refer to the Set-up
instructions (4.2.2) for more information.
□ Ventilation. An exhaust opening resides in the rear of the unit.
□ Helpful hints:
For drying ovens, open vent to prevent buildup of moisture
For sample heating, close vent when no ventilation is required
The exhaust vent may have to be closed to reach the maximum
temperature of 204°C, especially if operating on 208 volts. The
exhaust vent may need to be opened to operate properly at the
lower range of the oven's design.
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