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Convection Oven
Garland
200
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Part # MCOSM06 Rev 1 (11/03/08)
Page 73
Contents
Main
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TABLE OF CONTENTS
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CONTENTS
DIMENSIONS & SPECIFICATIONS ...............7 INSTALLATION................................8
MOTOR CARE................................26
OPERATION..................................12
DIMENSIONS & SPECIFICATIONS
Part # MCOSM06 Rev 1 (11/03/08) Page 7
Single-Deck Models
Installation Notes:
INSTALLATION
Installation Notes:
Installation Of Ovens Equipped With Casters
Installation Of Double Deck Models
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Less than 10 feet (3 meters) More than 10' (3 meters) 2' (60cm) Min. 3' (90cm) Min. 3' (90cm) Min.
Testing & Lighting Instructions
OPERATION
Master 200 Mechanical Control with Timer
Start Up:
Fan Speed:
Lights:
with Mechanical Timer
On Start Up:
Controller Keys
On Start Up:
Operating the Controls
Cook-N-Hold Operation
Core Probe Operation
CHANGING FACTORY SETBACK PROGRAM
MASTER 470/475 ELECTRONIC PROGRAMMABLE CONTROL Manual cooking:
Manual cooking using Cook-N-Hold:
Programming Product Keys (Master 475):
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Programming Product Keys (Master 470):
Cooking Using The Product Keys (Master 475 and Master 470):
Verifying hold time (Master 475 and Master 470):
Cooking with the Shelf Timer (Master 475 and Master 470):
PERFORMANCE RECOMMENDATIONS
COOKING GUIDE
COOK AND HOLD
PROBLEMS / SOLUTIONS
CLEANING & MAINTENANCE
Break-In Period
Exterior Cleaning
Interior Cleaning
Fan Area Maintenance
MOTOR CARE
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IGNITION SEQUENCE
TROUBLE SHOOTING TABLE
SERVICE
Preliminary Check
System Trouble Shooting
Check Grounding
Check Spark Ignition Circuit
Examples Of Unsatisfactory Pilot Flames.
Control Module Flame Sensor Circuit.
G77x INTERMITTENT PILOT CONTROLS
Application Requirements
Operating Mode Denitions
Sequence of Operation
Part # MCOSM06 Rev 1 (11/03/08) Page 33
Figure 2
Wiring Diagram For Integral Spark/Sense Without Vent Damper
G76X DIRECT SPARK IGNITION CONTROLS
Application Requirements
Operating Mode Denitions
Sequence Of Operation
Page 36 Part # MCOSM06 Rev 1 (11/03/08)
Fig 3 Sequence of Operation
Wiring Diagram for G76x Ignniton Control
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GENERAL CALIBRATION
Instrumentation
Weighing of Thermocouple
Resistance Vs. Temperature Chart For Internal Oven Temperature Sensor
200 & 300 SERIES CONTROLLERS CALIBRATION
Gas Units Calibration 300 Series
Gas Units Calibration 200 Series
Electric Units Calibration 300 Series
Electric Units 200 series
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DOORS
To Remove Doors From Oven
To Reinstall Doors onto Convection Oven
Installing and Adjusting Door Chain
Disassembly of the Left Door
Disassembly of the Right Door (w/o window)
To Replace Or Adjust The Door Latch Mechanism
DOOR LATCH MECHANISM
MOTOR
To Replace Convection Oven Motor Assembly
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DOOR MICROSWITCH
PROBES
Oven Cavity Probe
Cavity Core Probe (455 Only)
KEY PAD TEST
DISPLAY
MCO CONVECTION OVEN GAS VALVE
SIDE VIEW TOP VIEW
Intermittent Pilot Ignition Control
Specications
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Testing
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CONTROLS
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CONTROLLER OPERATIONAL TESTS
200 Series Controller (Thermostat only)
300 Series Controller (Thermostat and relay board)
410 Series Controller
450 Series Controller
CONTROLLER FAULT FINDING
DISPLAY FAULT
Display does not light up
Display does not change.
Display reads.
Keypad Fault
No Sound Fault
Door Switch Fault
Fan Fault
No Heat
ADDITIONAL NOTES
GENERAL TROUBLE SHOOTING GUIDE
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Convection Oven Bulletins Bulletin # Bulletin Subject Date Issued
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Request For Parts Return Authorization
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1-800-427-6668 www.garland-group.com Fax 1800-361-7775
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BULLETIN # B-18-2002
Trouble Shooting Guide
PROBLEM POSSIBLE CAUSE CORRECTIVE ACTION
1-800-427-6668 www.garland-group.com Fax: 1-800-361-7745
B.
Page 2 of 9
1-800-427-6668 www.garland-group.com Fax: 1-800-361-7745
Temperature Calibration 200 & 300 Series Controllers ONLY
1-800-427-6668 www.garland-group.com Fax: 1-800-361-7745
1-800-427-6668 www.garland-group.com Fax: 1-800-361-7745
BULLETIN # B-19-2001
1-800-427-6668 www.garland-group.com Fax: 1-800-361-7745
BULLETIN B-107-2001
DISPLAY
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BULLETIN # B-20-2004
BULLETIN # B-26-2004
BULLETIN # B-73-2007-S
Subject: Rating Plate Motor Return Model Affected: Garland Convection or Moisture Plus Oven
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Master Convection Ovens Wiring Diagrams