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Middleby Marshall
PS520G installation manual Notes, Section Troubleshooting
Models:
PS520G
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Troubleshooting
Specifications
Install
Parts list
Wiring Diagram, G208-24050/60 GO, PS520G
Warranty
Dimension
Maintenance
Supply Wire
Problem Products Are Overcooked Or Undercooked
Page 44
Image 44
SECTION 5
TROUBLESHOOTING
NOTES
40
Page 43
Page 45
Page 44
Image 44
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Page 45
Contents
& installation
owners operating
manual
Middleby
FOR YOUR SAFETY, DO NOT STORE OR USE
GASOLINE OR OTHER FLAMMABLE VAPORS AND
LIQUIDS IN THE VICINITY OF THIS OR ANY OTHER
APPLIANCE
U.S.A. ONLY
MIDDLEBY MARSHALL
NO QUIBBLE LIMITED WARRANTY
Continued
TABLE OF CONTENTS
TABLE OF CONTENTS
SECTION DESCRIPTION
I.MODEL IDENTIFICATION
Figure 1-1.Single PS520 Oven
Figure 1-2.Double PS520 Oven
PS520 SERIES OVEN SPECIFICATIONS
SERIES PS520 ELECTRICAL SPECIFICATIONS
and are also located inside the oven at the
bottom of the Control Panel
Figure 1-4. PS520-SeriesOven Components Locations
II. COMPONENT FUNCTION Figure
II. COMPONENT FUNCTION
Blower Assembly Right Control Box
Figure 1-5.Machinery Compartment Components
A. Conveyor Motor and Conveyor Belt
SECTION DESCRIPTION
Figure 1-6.Cooling Fan
F2. Blank Plates
SECTION INSTALLATION
SECTION 2 INSTALLATION
•Perform a gas leak test
•Test for correct air supply
PARTS LIST FOR SERIES PS520 GAS OVEN
INSTALLATION KIT
I. UNLOADING
Single Stack Oven
PARTS LIST FOR SERIES PS520 Gas OVEN
Double Stack Oven
Triple Stack Oven
INSTALLATION KIT
Figure 2-5.MODEL PS520 SINGLE OVEN DIMENSIONS
4.00 101.6mm
Figure 2-6.MODEL PS520 DOUBLE OVEN DIMENSIONS
1to 3-3/4inch maximum in 1/2 inch increments
4.00
101.6mm
Figure 2-7.MODEL 520 TRIPLE OVEN DIMENSIONS
1to 3-3/4inch maximum in 1/2 inch increments
UTILITY ROUGH-INDIMENSIONS AND POSITIONING
FOR PS520-SERIESOVENS
II. VENTILATION GUIDELINES
Figure 2-9.Typical PS520-SeriesOvens Installation
Figure 2-10.Typical Electric Oven Data Plate
IV. ELECTRIC SUPPLY FOR GAS HEATED OVENS
Figure 2-11.Junction Connection Box
V. GAS SUPPLY
Figure 2-13- Gas Control Valve
Figure 3-1. PS520-SeriesOven Control Functions
SECTION OPERATION
I. CONTROL FUNCTIONS
A. Door Safety Switch
B. Blower Switch
C. Heat Switch
D. Temperature Controller
MEASURING CONVEYOR SPEED
Figure 3-3.Conveyor Speed Digital Control
Figure 3-4.Product at entrance end of baking
chamber – BEGINNING OF TIMING
III. STEP-BY-STEPOPERATION
A. Startup Procedures Daily Startup
Power Failure
B. Shutdown Procedure
SECTION OPERATION
Figure 3-6.Control Panel
IV. NORMAL OPERATION - STEP-BY-STEP
A.Daily Startup Procedure
B.DAILYSHUTDOWNPROCEDURE
wait + for
SECTION 3 OPERATION
V. QUICK REFERENCE: TROUBLESHOOTING
SYMPTOM
PROBLEM
SOLUTION
NOTICE
SECTION MAINTENANCE
SECTION MAINTENANCE
I. MAINTENANCE - DAILY
Figure 4-2.Conveyor Belt and Crumb Pan Cleaning
Figure 4-1.Oven Cooling Fans
A. Exterior
II. MAINTENANCE - MONTHLY
PRECAUTIONS
A. Removing Conveyor From Oven For Cleaning
Figure
6. Remove conveyor as shown
Figure Figure
Figure Figure
B. Air Fingers Disassembly For Cleaning
T1 T2 T3 B1 B2 B3
Standard Fingers
Figure
C. Reassembly of Air Fingers
Figure
Figure 4-12.Standard Lower Finger
Figure 4-13.Standard Upper Finger
Figure
Figure
Figure
Figure Figure
D. Reinstall End Plugs
2. Reinstall conveyor
E. Conveyor Reassembly Into Oven
Figure
Figure Figure
F. Checking Conveyor Belt Tension
Figure
Figure
Figure
Figure Figure
Figure
Figure
Figure
Figure Figure
III. MAINTENANCE - EVERY 3 MONTHS
IV. MAINTENANCE - EVERY 6 MONTHS
IMPORTANT NOTICES
Figure
Figure
KEY SPARE PARTS KIT
PS520-SERIESGAS OVEN KEY SPARE PARTS KIT Figure
SECTION TROUBLESHOOTING
PROBLEM PRODUCTS ARE OVERCOOKED OR UNDERCOOKED
PROBLEM
PROBLEM OVEN DOES NOT HEAT
NOTES
SECTION TROUBLESHOOTING
SECTION
SCHEMATICS
Wiring Diagram, G208-24050/60 GO, PS520G
NOTES
SECTION ELECTRICAL SCHEMATICS
SECTION ELECTRICAL SCHEMATICS
NOTES
NOTICE
NOTICE
NOTICE
