Despatch LEB Series - Manual (Page 7)

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TABLE OF CONTENTS
PREFACE ........................................................................................................................ i
INTRODUCTION............................................................................................................. 1
Special Features.......................................................................................................... 1
SPECIFICATIONS .......................................................................................................... 2
Dimensions.................................................................................................................. 2
Power....................................................................................................................... 3
Temperature ............................................................................................................. 4
Capacities ................................................................................................................ 4
THEORY OF OPERATION ............................................................................................. 5
CONTROL Instrument ................................................................................................. 6
HI-LIMIT Instrument..................................................................................................... 7
Product HI-LIMIT Instrument .................................................................................... 8
Oven HI-LIMIT Instrument........................................................................................ 8
Oven Theory................................................................................................................ 9
INSTRUCTIONS ........................................................................................................... 10
Unpacking and Inspection ......................................................................................... 10
Setup ......................................................................................................................... 11
Operating................................................................................................................... 12
Loading the Oven................................................................................................... 12
Pre-Startup Checklist ............................................................................................. 13
Startup ................................................................................................................... 14
Control Instructions.................................................................................................... 16
Changing Setpoint.................................................................................................. 16
Parameter Programming Mode .............................................................................. 17
Set-Up Parameters ................................................................................................ 19
Changing Display From °C To °F ..................... ......................................................... 20
Oven Zone Calibration ........................................................................................... 21
HI-LIMIT INSTRUCTIONS ......................................................................................... 22
Changing Setpoint ..................................................................................................... 22
Parameter Setup Mode.............................................................................................. 23
Setup Parameters .................................................................................................. 24
Changing Display From
°
C To
°
F .............................................................................. 26
Maintenance .............................................................................................................. 27
Checklist ................................................................................................................ 27
Tests ...................................................................................................................... 28
Replacement .......................................................................................................... 28
Control Instrument.................................................................................................. 29
Replacement of Hi-limit Instrument ........................................................................ 30
Heater Unit ............................................................................................................. 31
Troubleshooting ......................................................................................................... 32
DRAWINGS .................................................................................................................. 35
LEB 1-23-1 (120 VAC) Parts.................................................................................. 36
LEB 1-23-1 (120 VAC) Drawing ............................................................................. 37
LEB 1-23-1 (240 VAC) Parts.................................................................................. 38
LEB 1-23-1 (240 VAC) Drawing ............................................................................. 39