Despatch LBB 2-27 User Manual

LAC/LFC Series Oven Owner’s Manual APPENDICES
Version 20 65
8.4. Part Lists

Find many parts for Despatch ovens online at
www.despatch.com/parts.aspx.
8.5. Mechanical Drawing
See mechanical facility drawings included on the manual CD. The drawings included are
intended to be reference only and the latest revision may be found online at
www.despatch.com.
8.6. Electrical Schematics
See the electrical schematics included on the manual CD. The drawings included are
intended to be reference only and the latest revision may be found online at
www.despatch.
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.

Despatch LBB 2-27 Specifications

General

Brand	Despatch
Model	LBB 2-27
Category	Oven
Language	English

Summary

Specifications

1.5.3. Power

1.5.4. Temperature

Specifies temperature performance, uniformity, and control stability.

Safety

2.1. Safety Information

Crucial warnings and guidelines for safe operation and maintenance.

2.1.1. Lockout Procedures and Requirements

Procedures and requirements for safely de-energizing equipment.

2.3. Maintenance

2.4. Electrical Power Safety

Emphasizes safety when working with electrical power sources.

2.5. Fire Safety Procedures

Procedures to follow in case of a fire incident.

2.6. Equipment Lockout Requirements

Reinforces lockout procedures to prevent injury during service.

2.6.1. Emergency Stop

2.7. Disconnecting Devices

2.7.1. Power Requirements

2.7.2. Disconnecting Hard-Wired Units

2.7.3. Disconnecting Corded Units

2.7.4. Disconnecting Units with (Optional) Disconnect Switch

Theory of Operation

3.2. Control Systems

Overview of the oven's primary and secondary control systems.

3.2.1. Primary Control Instrument

Describes the microprocessor-based digital temperature controller.

3.2.2. High Limit Instrument Function

Explains the function and setting of the High Limit instrument.

3.2.2.1. Product High Limit Instrument Setup

Setting the High Limit for product protection against over-temperature.

3.2.2.2. Oven High Limit Instrument Setup

Setting the High Limit for oven protection against over-temperature.

Assembly & Setup

4.1. Unpack & Inspect the LBB Series Oven

4.2. Oven Setup and Environment

Steps for setting up the oven and selecting its operating environment.

4.2.2. Set-up Procedure

4.2.3. Wiring & Power Connections

Instructions for connecting the oven to the electrical supply.

Operation

5.1. Loading the Oven

5.2. Pre-Startup Checklist

5.3. Operating Procedure - Standard Control Instrument

Step-by-step guide for operating the oven using the standard controller.

5.3.1. Starting the Oven

Detailed procedure for powering on and starting the oven.

5.4. Working with the Control Instrument

5.4.1. Changing the Setpoint

Procedure for adjusting the oven's setpoint temperature.

5.4.2. Control Instrument Parameter Programming Mode

5.4.2.1. Entering Control Instrument Set-up and Configuration Mode

5.4.5. High Limit Instrument Settings

Procedures for setting and configuring the High Limit instrument.

Maintenance

6.1. Maintenance Checklist

6.3. Cleaning and Decontamination Procedures

6.3.2. Decontaminating the LBB Series Oven

6.4. Routine Tests

6.4.1. Test Control Instrument

6.4.2. Test High Limit Instrument

6.5.1. Replace the Control Instrument

Step-by-step guide for replacing the oven's control instrument.

6.5.2. Replace High Limit Instrument

Detailed instructions for replacing the High Limit instrument.

6.5.4. Replace Heater Unit

Step-by-step guide for replacing the oven's heater unit.

6.5.5. Replace Fan Motor

Detailed instructions for replacing the oven's fan motor.

Troubleshooting

7.1. DES2000 Control Parameters Check

7.2. Hi Limit L91 Hi-Limit Reset