Carbolite E Series - User Manual

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MF65-1.01 1

Installation, Operation &

Maintenance Instructions

1200°C E-range Compact Tube furnaces

Models: EHA, EVA, EHC, EVC

EST, EVT, EZS, EVZ

This manual is for the guidance of operators of the above Carbolite products

and should be read before the furnace is connected to the electricity supply.

CONTENTS

Section Page

1 INTRODUCTION 2

2 INSTALLATION 3

3 OPERATION 16

4 MAINTENANCE 19

5 REPAIRS & REPLACEMENTS 19

6 FAULT ANALYSIS 21

7 CIRCUIT DIAGRAMS 22

8 FUSES & POWER SETTINGS 23

9 SPECIFICATIONS 24

Manuals are supplied separately for the furnace controller

(and over-temperature controller when fitted).

Please read the controller manuals before operating the furnace.

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Summary

Introduction and Safety Features

Control Switches, Lights, and Warning Symbols

Key Warning Labels for Safe Operation

Highlights essential warning labels for safe furnace usage and handling precautions.

Installation and Setup Procedures

Horizontal Model Work Tube Installation

Vertical Model Stand Assembly and Mounting

Vertical Model Work Tube Fitting

Electrical Connections and Safety Grounding

Critical safety information regarding electrical supply, wiring, and earthing requirements.

Furnace Operation and Control

Pre-Operation Safety Warnings

Essential safety precautions and warnings before powering on and operating the furnace.

Standard Operating Cycle and Temperature Setting

Detailed steps for initiating operation and setting the temperature controller.

3-Zone Control Methods and Operation

General Operating Advice and Work Tube Care

Maintenance, Repairs, and Fault Finding

Safety for Repairs and Handling Fibrous Insulation

Safety measures for disconnecting power and handling refractory fibrous insulation materials.

Component Replacement Procedures

Element, Fuse Replacement, and Fault Analysis

Procedures for replacing heating elements/fuses and a guide to troubleshooting common furnace faults.

Carbolite E Series Specifications

General

Maximum Temperature	1100°C
Heating Element	Wire elements
Power Supply	220-240 V, 50/60 Hz, Single Phase
Atmosphere	Air
Application	Heat treatment
Insulation	Ceramic fiber
Safety Features	Door safety interlock
Exterior Dimensions	Varies by chamber size, typically 400-600mm width, 500-700mm depth, 400-600mm height
Weight	25-80kg depending on model