Despatch RAD Series - Manual (Page 26)

O PERATION RAD Oven Series Owner ’s Manual
26 Version 1
Copyright © 2012 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.
Check fan rotation after the initial installation and after reconnecting the power supply to ensure
fans are running in the correct direction. To check fan rotation:
1. Momentarily toggle POWER ( Figure 10 ) to start fans and check rotation.
2. Rotation should correspond to the directional arrows provided.
3. Reverse motor rotation where necessary.
5.3.2. Start and Operate the Oven
1. Set the main Power Disconnect switch to
ON (Figure 3).
2. Set POWER to ON. The recirculation fan will
start.
3. Turn HEAT to ON (Figure 10).
a. The Heater LED on the controller will light indicate the heater is on and the
controller is calling for heat.
b. The alarm horn will sound if the High Limit trips. Press the ALARM SILENCE to
silence the alarm.
c. Allow the oven to cool below the High Limit setting and reset the High Limit.
4. When the door is opened the heater will shut off.
5. Operate the temperature control as desired. If necessary, refer to the Protocol 3 Owner’s
Manual for more instruction.
5.3.3. Shutdown
1. Set HEAT to OFF.
2. Allow the fans to run until the oven has cooled below 149ºC (300ºF).
3. Set
POWER to OFF.
Warning!
Fans should remain in operation until the oven temperature is below
149ºC (300ºF) to prevent damage to the fan and/or motor bearings.
If additional information is required regarding the operation of this equipment, please contact
Despatch.

If polarity is reversed during wiring, the fan will rotate
backwards and compromise proper ventilation.

Never operate oven at a temperature above 343°C (650°F).