3D Connexion PS520G - page 29

SECTION 3

OPERATION

25

Display

Shows the Set Point

or the Actual Tem-

perature in degrees

Fahrenheit (F) or

Celsius (C).

"SP LOCK"

Light

Lights when the set

point is locked out

from changes. This

setting can only be

changed by service

personnel.

OVERTEMP

Light

Lights when the oven

temperature is greater

than650°F(343°C).

Refer to Quick Refer-

ence:Troubleshoot-

ing in this section.

Temperature Key

Press this key once

to view the Actual

Temperature in the

Display.

Unlock Key

Press this key togeth-

er with the Set Point

Key to allow the Set

Point to be changed.

Changes can only be

made for 60 seconds.

Up Arrow and Down

Arrow Keys

Press these keys to adjust

the Set Point up or down.

If the Set Point will not

change, refer to Set Point

Key and Unlock Key in this

section.

Set Point Key

Press this key togeth-

er with the Unlock Key

to allow the Set Point

to be changed.

Changes can only be

made for 60 seconds.

Service Key

Service use

only.

"ACTUAL TEMP"

Light

Lights when the Actual

Temperature is shown

in the display.

"SET PT" (set-

point) Light

Lights when the set

point is shown in

the display.

"HEAT ON" Light

Lights when the

burner is in

operation.

Contents

Main Page iii MIDDLEBY MARSHALL INC. OVEN LIMITED WARRANTY (Non U.S.A.) Model No. Modle No. Serial No. Seri No. Installation Date Date d'installation MIDDLEBY MARSHALL No Quibble limited WarraNty (U.S.A. Only) iv TABLE OF CONTENTS TABLE OF CONTENTS (Continued) DESCRIPTION I. MODEL IDENTIFICATION SECTION 1 DESCRIPTION Figure 1-1. Single PS520 Oven Figure 1-2. Double PS520 Oven 2 SECTION 1 DESCRIPTION PS520 SERIES OVEN SPECIFICATIONS This Manual Must Be Kept For Future Reference. SERIES PS520 ELECTRICAL SPECIFICATIONS GAS ORIFICE AND PRESSURE SPECIFICATIONS (PER OVEN CAVITY) - CE OVENS Page SECTION 1 DESCRIPTION II. COMPONENT FUNCTION Figure 1-5. Machinery Compartment Components Blower Assembly Right Control Box Page Figure 1-7. Blank Plates (two sizes) and an Air Finger. SECTION 2 INSTALLATION SECTION 2 INSTALLATION PARTS LIST FOR SERIES PS520 GAS OVEN INSTALLATION KIT Single Stack Oven P/N 59182 Figure 2-1. PS520-Series Gas Oven Installation Parts CAUTION I. UNLOADING Page Page Page Page Page SECTION 2 INSTALLATION III. ELECTRICAL CONNECTION INFORMATION FOR PS520-SERIES OVENS. Figure 2-10. Typical Electric Oven Data Plate IV. ELECTRIC SUPPLY FOR GAS HEATED OVENS Figure 2-11. Junction Connection Box V. GAS SUPPLY CAUTION Page Page Page SECTION 3 OPERATION SECTION 3 OPERATION II. COMPONENT INFORMATION AND LOCATION (Figures 3-1 and 3-2) CAUTION Figure 3-2. Interior View of Control Console OPERATION MEASURING CONVEYOR SPEED. Figure 3-3. Conveyor Speed Digital Control Figure 3-4. Product at entrance end of baking chamber BEGINNING OF TIMING Figure 3-5. Product at exit end of baking chamber END OF TIMING SECTION 3 OPERATION WARNING III. STEP-BY-STEP OPERATION Page 24 SECTION 3 OPERATION CAUTION A.Daily Startup Procedure + or + wait or wait IMPORTANT Page SECTION 3 OPERATION V. QUICK REFERENCE: TROUBLESHOOTING SYMPTOM PROBLEM SOLUTION SECTION 4 MAINTENANCE NOTICE WARNING SECTION 4 MAINTENANCE I. MAINTENANCE - DAILY Figure 4-1. Oven Cooling Fans Figure 4-2. Conveyor Belt and Crumb Pan Cleaning SECTION 4 MAINTENANCE Figure 4-3. II. MAINTENANCE - MONTHLY Page Standard Fingers Figure 4-8. Figure 4-9. Figure 4-10. T1 T2 T3 B1 B2 B3 Page Figure 4-17. 34 5. Install ngers and blank plates correctly with edges interlocked and no space between edges. Figure 4-18. Page Figure 4-23. Figure 4-21. Figure 4-22. Figure 4-24. Figure 4-25. Figure 4-26. Figure 4-27. Figure 4-28. Figure 4-32. Figure 4-33. Figure 4-31. Figure 4-29. Figure 4-30. SECTION 4 MAINTENANCE Figure 4-34. III. MAINTENANCE - EVERY 3 MONTHS Figure 4-35. IV. MAINTENANCE - EVERY 6 MONTHS SECTION 4 MAINTENANCE KEY SPARE PARTS KIT Figure 4-36. PS520-SERIES GAS OVEN KEY SPARE PARTS KIT (Figure 4-36) SECTION 5 TROUBLESHOOTING SECTION 5 TROUBLESHOOTING Page Page www.middleby.com WARNING