Middleby Marshall PS528 (Double), PS528E, PS528 (Triple) installation manual SP Lock

Page 25

SECTION 3

OPERATION

Display

"HEAT ON" Light

"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.

Shows the Set Point

Lights when the

or the Actual Tem-

burner is in

perature in degrees

operation.

Fahrenheit (F) or

 

Celsius (C).

 

"SET PT" (set-

point) 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

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.

21

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.

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Contents Owners operating Page Middleby Marshall Table of Contents Model Identification Section DescriptionSeries PS1828 Electrical Specifications PS528 Series Oven SpecificationsThis Manual Must Be Kept For Future Reference PS528-Series Oven Components Locations II. Component Function Cooling Fan F2. Blank Plates Unloading Section InstallationSingle and Double Stack Ovens Parts List for Series PS528 Electric Oven Installation KITModel PS528 Single Oven Dimensions Model PS528 Double Oven Dimensions Model 528 Triple Oven Dimensions Electric Supply to be Provided by Customer Circuit Breaker II. Ventilation Guidelines10. Typical Electric Oven Data Plate IV. Electric Supply for Electrically Heated OvensSection Installation Control Functions Section OperationBlower Switch Door Safety SwitchHeat Switch Temperature ControllerConveyor Measuring Conveyor SpeedSee Figures 3-4 Power Failure Startup Procedures Daily StartupShutdown Procedure III. STEP-BY-STEP OperationControl 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 MonthlyQuantity Air 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 Incorrect Too 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 TerminalsPS528-SERIES Electric Oven KEY Spare Parts KIT Figure KEY Spare Parts KITProblem Oven does not Heat Section TroubleshootingSection 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, E208-240V 50/60/3, PS528 P/N 62309 REV B Wiring Diagram, E380-480V 50/60/3, PS528 P/N 62310 REV B Wiring Diagram, E380V 50/60/3 CE PS528 P/N 63969 REV B Section Electrical Schematics