Middleby Marshall PS520 installation manual SP Lock

Page 25

SECTION 3 OPERATION

"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 Reference: Troubleshooting in this section.

Temperature

Key

Press this key once

to view the Actual Temperature in the Display.

Display

"HEAT ON"

Shows the Set Point

Light

or the Actual Tem-

Lights when the

perature in degrees

burner is in

Fahrenheit (F) or

operation.

Celsius (C).

 

"SET PT" (setpoint)

Light

Lights when the

set point is shown

in the display.

"ACTUAL TEMP"

Light

Lights when the Actual Temperature is shown in the display.

Service Key

Service use

only.

Unlock Key

 

Set Point Key

 

Press this key

Press this key

Up Arrow and Down

together with the

together with the Set

Unlock Key to allow

Point Key to allow the

Arrow Keys

the Set Point to be

Set Point to be

Press these keys to

changed.

changed. Changes

adjust the Set Point up or

Changes can only be

can only be made for

down. If the Set Point will

made for 60 sec-

60 seconds.

not change, refer to Set

onds.

 

Point Key and Unlock Key

 

 

in this section.

 

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Contents Owners operating Page Middleby Marshall Table of Contents Model Identification Section DescriptionSeries PS520 Electrical Specifications PS520 Series Oven SpecificationsThis Manual Must Be Kept For Future Reference PS520-Series Oven Components Locations II. Component Function Cooling Fan F2. Blank Plates Blank Plates two sizes and an Air FingerUnloading Section InstallationSingle and Double Stack Ovens Parts List for Series PS520 Electric Oven Installation KITModel PS520 Single Oven Dimensions Model PS520 Double Oven Dimensions Model 520 Triple Oven Dimensions Electric Supply to be Provided by Customer Circuitbreaker II. Ventilation Guidelines10. Typical Electric Oven Data Plate IV. Electric Supply for Electrically Heated OvensSection Installation Control Functions Section OperationII. Component Information and Location Figures 3-1 Conveyor Measuring Conveyor SpeedIII. STEP-BY-STEP Operation Startup Procedures Daily StartupControl Panel IV. Normal Operation STEP-BY-STEP Daily Startup ProcedureSP Lock Symptom Quick Reference TroubleshootingSection Maintenance Exterior Maintenance DailyCooling Fan Conveyor Belt FigureRemoving Conveyor From Oven For Cleaning II. Maintenance MonthlyAir Fingers Disassembly For Cleaning T1 T2 T3 B1 B2 B3 12. Standard Lower Finger Reassembly of Air FingersExtended Lip Tab on Outer Plate Flange Finger Manifold Section Maintenance Reinstall End Plugs Checking Conveyor Belt Tension Conveyor Reassembly Into OvenConveyor Belt Link Removal Attaching Drive Chain IV. Maintenance Every 6 Months III. Maintenance Every 3 MonthsImportant Notices Electrical TerminalsPS520-SERIES Electric Oven KEY Spare Parts KIT Figure KEY Spare Parts KITSection Troubleshooting Section Troubleshooting Parts List English Single Oven Exploded View English Relay Panel English Blower Assembly English Control Panel English Single Conveyor Section Parts List Section Electrical Schematics Wiring Diagram, E380-480V 50/60/1, PS520 Wiring Diagram, E230-240V CE PS520/1820S Wiring Diagram, E380-400V CE PS520/1820S Section Electrical Schematics