OPERATION LBB Series Oven Owner’s Manual
30 Version 13
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.
5.3. Operating Procedure
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.
For fastest oven heat-up time, close the exhaust vent. After the
desired temperature is reached, adjust the vent as needed.
5.3.1. Start Oven
1. Turn POWER ON (Figure 10). The circulating fan will start.
2. Set exhaust vent to desired opening by adjusting the damper at the rear of the oven
(Figure 11).
a. Adjust the vent for maximum performance at various operating temperatures.
3. Enter desired setpoint on the Hi-Limit instrument.
a. Set the Hi-Limit instrument to a temperature 10° to 14°C higher than the desired
setpoint or to a temperature that should not be exceeded in the process.
b. If the LOCK on the Hi-Limit instrument is lit, press and hold the RESET for four
(4) seconds to enable ▲ and ▼.
c. Press . HSP1 will light.
d. Use ▲ and ▼ to set the high limit temperature.
e. Press RESET (or ) once to enter the value and return to the process variable
PV mode.
4. Enter setpoint on the Control instrument.
a. Press until the SP lights.
b. Use ▲ and ▼ to set the operating temperature.
c. Press to enter the setpoint.
d. Press again to display the process temperature.
5. Turn HEATER ON.
If the Hi-Limit instrument is exceeded the heater shuts down.
Reset the Hi-Limit instrument by pushing RESET on the Hi-
Limit instrument.
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