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FULL SIZE ELECTRIC CONVECTION OVENS
F25105 (December 2001) Page 2 of 60
TABLE OF CONTENTS
GENERAL............................................................................. 4
Introduction ........................................................................ 4
Installation ......................................................................... 4
Operation.......................................................................... 4
Cleaning .......................................................................... 4
Lubrication ......................................................................... 4
Tools ............................................................................. 4
Specifications ...................................................................... 5
REMOVAL AND REPLACEMENT OF PARTS ................................................. 6
Covers And Panels .................................................................. 6
Control Panel Components ............................................................ 7
Component Panel Components ......................................................... 8
Temperature Probe (Solid State Control) .................................................. 8
Heating Elements ................................................................... 9
Blower And Motor .................................................................. 10
Door Switch ....................................................................... 11
Door Window ...................................................................... 12
Oven Doors and Bearings (Independent Doors) ............................................ 12
Oven Doors (Simultaneous Doors) ...................................................... 13
Door Catch Roller Assembly (Independent Doors) .......................................... 14
Mechanical (KX) Thermostat .......................................................... 14
High Limit Thermostat ............................................................... 15
Interior Lights...................................................................... 15
Cooling Fan ....................................................................... 16
SERVICE PROCEDURES AND ADJUSTMENTS .............................................. 17
Solid State Temperature Control Calibration .............................................. 17
Mechanical (KX) Thermostat Calibration ................................................. 18
Solid State Temperature Control Test ................................................... 19
Temperature Probe Test (Solid State Control) ............................................. 20
Heating Element Test ............................................................... 20
Blower Adjustment.................................................................. 21
Door Adjustment ................................................................... 22
Door Catch Roller Adjustment (Independent Doors) ......................................... 22
Door Switch Adjustment.............................................................. 23
Door Chain Adjustment (Simultaneous Doors) ............................................. 23
Computer Control .................................................................. 24
Computer Control Temperature Calibration ............................................... 26
Computer Control Operational Test ..................................................... 26
ELECTRICAL OPERATION .............................................................. 29
Component Function ................................................................ 29
Component Location ................................................................ 30
Sequence of Operation .............................................................. 34
VC4ES, VC6ES with Mechanical KX Thermostat ....................................... 34
VC4ED, VC6ED with Solid State Temperature Control................................... 34
Timer Cycle, Cooking (KX Thermostat or Solid State Control) ............................. 35
Cool Down Cycle (KX Thermostat or Solid State Control)................................. 35
VC4EC, VC6EC (Computer Control) ................................................ 35
Temperature and Time Cycle (Cooking) .......................................... 36
Cook and Hold Cycle ........................................................ 36
Cool Down Cycle ........................................................... 36
Schematics ....................................................................... 37
VC4ES, VC6ES with Mechanical (KX) Controls, 208-240V ................................ 37
VC4ES, VC6ES with Mechanical (KX) Controls, 480V ................................... 38
VC4ED, VC6ED with Solid State Temperature Control, 208-240V .......................... 39
VC4ED, VC6ED with Solid State Temperature Control, 480V .............................. 40