Despatch LAC Series User Manual

LAC/LFC Series Oven Owner’s Manual PREFACE
Version 1.12 1
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.
ULTRAFLEX DRYING AND FIRING
FURNACE
MODELS 1000, 3615, 3630, 3640
OWNERS MANUAL
C-204
VERSION 1
10/2008
LAC/LFC SERIES OVEN WITH
PROTOCOL 3™ CONTROLLER
OWNER’S MANUAL
C-266
PN 337069
VERSION 1.12
05/2018

Despatch LAC Series Specifications

General

Airflow	Horizontal
Construction	Stainless steel interior
Insulation	mineral wool
Cooling Rate	Natural convection cooling
Shelves	Adjustable shelves

Summary

About This Manual

Important User Information

Key user guidelines, disclaimers, and operating protocols for safe and effective oven use.

Manufacturer, Model Nomenclature & Service

Details on oven models, identification nomenclature, and essential service/support contacts.

Organization of this Manual

Overview of the manual's structure, sections, and content organization for easy navigation.

Conventions

Explains symbols, signal words, and icons used for warnings and important safety information throughout the manual.

Specifications

Technical specifications including dimensions, capacity, power requirements, and temperature performance data.

Safety

Safety Information and Warnings

General safety guidelines, critical warnings, and essential precautions for operating the oven.

Lockout Procedures and Requirements

Detailed steps for safely de-energizing the oven, including requirements and lockout procedures.

Lifting, Carrying, and Panel Safety

Guidelines for safe oven movement, handling, and safety considerations for the door and control panel.

Electrical, Fire, and Maintenance Safety

Precautions for electrical power, fire prevention, and safety during maintenance tasks.

Disconnecting Devices and Lockout

Procedures for disconnecting power, lockout requirements, and emergency stop functionality.

Airflow Switch Safety

Explains the function and location of airflow switches as crucial safety components in LFC ovens.

Theory of Operation

LAC-8 Series Oven Operation

Describes the LAC-8 oven's design, horizontal airflow system, and typical applications.

LFC Specific Operation

Details LFC Class A oven features for safe solvent handling, meeting NFPA 86 requirements.

Damper Control and Settings

Explains the damper mechanism for airflow control and considerations for determining optimal settings.

Protocol 3 Controller Functions

Overview of the Protocol 3 controller's operating modes, dual functionality, and high limit features.

Assembly & Setup

Unpack and Inspection

Procedures for unpacking, inspecting the oven for damage, and checking all supplied components.

Oven Location and Setup

Guidance on selecting an appropriate operating environment and performing basic setup steps.

Wiring and Power Connections

Detailed instructions for making electrical wiring and power connections for the oven.

Operation

Loading the Oven Safely

Instructions for loading products into the oven, emphasizing proper placement and avoiding spills.

Pre-Startup Checklist

Essential checks to perform before powering on and operating the oven for safety and performance.

Operating Procedures

Steps for starting the oven and guidance on using the Protocol 3 controller operating modes.

Maintenance

General Maintenance Checklist

Routine checks for cleanliness, component protection, and user interface inspection.

Safety Component Testing

Procedures for testing critical safety components like airflow switches and purge timers on LFC ovens.

Lubrication and Cleaning

Guidelines for lubricating moving parts and cleaning oven interior surfaces and components.

Routine Tests and Adjustments

Covers airflow switch tests, sensitivity adjustments, and door latch alignment procedures.

Replacing Key Components

Instructions for replacing major components like the controller, heater unit, and fan motor.

Troubleshooting

Troubleshooting Symptoms

Lists common oven symptoms, their probable causes, and suggested remedies for diagnosis.

Error Messages and Alarms

Explains common error messages, their possible problems, and recommended next steps for resolution.

Appendices

Standard Product Warranty

Outlines Despatch's warranty terms, coverage, exclusions, and customer responsibilities for repairs.

Optional Features and Setup

Details on optional equipment setup, including recorders, door locks, interior lights, and alarms.

Mechanical and Electrical Drawings

Information on accessing mechanical drawings and electrical schematics for reference purposes.