Despatch RFD Series - Manual (Page 3)

RFD Oven Series Owner’s Manual P REFACE
Version 1 3
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.
Table of Contents
1.
About This Manual ............................................................................................................. 6
1.1. Important User Information ..................................................................................... 6
1.2. Manufacturer & Service .......................................................................................... 7
1.3. Organization of this Manual .................................................................................... 7
1.4. Conventions ............................................................................................................. 8
1.5. Specifications .......................................................................................................... 8
1.5.1. Dimensions .............................................................................................................. 8
1.5.2. Capacities ................................................................................................................ 9
1.5.3. Temperatures ......................................................................................................... 10
1.5.4. Power ..................................................................................................................... 11
1.5.5. Capability .............................................................................................................. 12
2. Safety ................................................................................................................................ 13
2.1. Safety Information ................................................................................................. 13
2.1.1. Lockout .................................................................................................................. 13
2.1.1.1. Lockout Requirements ................................................................................... 13
2.1.1.2. Lockout Procedure ......................................................................................... 13
2.2. Maintenance .......................................................................................................... 14
2.3. Electrical Power ..................................................................................................... 14
2.4. Fire ......................................................................................................................... 14
2.5. Equipment Lockout Requirements ........................................................................ 14
2.5.1. Optional Disconnect Switch .................................................................................. 15
3. Theory of Operation ......................................................................................................... 16
3.1. The RFD Oven Series ............................................................................................ 16
3.2. Damper Control ..................................................................................................... 17
3.2.1. Determining Damper Settings ............................................................................... 18
3.2.1.1. Fresh Air Damper Fully Closed Position ...................................................... 18
3.2.1.2. Fresh Air Damper Fully Open Position ......................................................... 18
3.2.1.3. Exhaust Damper Control ............................................................................... 18
3.3. Optional Adjustable Louvers ................................................................................. 19
3.3.1. Purpose of Adjustable Airflow .............................................................................. 20
3.3.2. Supply Air Adjustment .......................................................................................... 20
3.3.3. Return Air Adjustment .......................................................................................... 20
3.4. The Protocol 3 Controller ...................................................................................... 20
3.5. Optional High Limit Audible Alarm ..................................................................... 22
3.6. Purge Timer ........................................................................................................... 22
3.7. Airflow Interlocking Safety Switch ....................................................................... 22
4. Assembly & Setup ............................................................................................................ 23
4.1. Unpack & Inspect The RFD Oven ........................................................................ 23
4.1.1. If Damaged During Shipping ................................................................................ 23
4.2. Set up The RFD Oven ........................................................................................... 23
4.2.1. Select Oven Location ............................................................................................ 23
4.2.1.1. Placement Requirements ............................................................................... 24
4.3. Exhaust Connections ............................................................................................. 24
4.4. Wiring & Power Connections ............................................................................... 25
5. Operation .......................................................................................................................... 26
5.1. Load Oven ............................................................................................................. 26
5.2. Pre-Startup Checklist ............................................................................................. 27
5.3. Operating Procedure .............................................................................................. 28