Middleby Marshall PS555G GAS III. Quick Reference Digital Temperature Controller

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SECTION3-OPERATION

III. QUICK REFERENCE: DIGITAL TEMPERATURE CONTROLLER

Display

"HEAT ON" Light

Shows the Set Point or

Lights when the

the Actual Tempera-

burner or heating ele-

ture in degrees Fahr-

ments, as appropriate

enheit (F) or Celsius

for the oven model,

(C).

are in operation.

ENGLISH

"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 Tem- perature in the Dis- play.

Unlock Key

Press this key together 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 PT" (setpoint)

Light

Lights when the set point is shown in the display.

"ACTUAL TEMP" Light

Lights when the Actual Tempera- ture is shown in the display.

Service Key

For use by ser- vice personnel only.

Set Point Key

Press this key together 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 Rev. B V2 11/01 PS500 Series Gas and Electric OvensEnglish Table of Contents Description Oven UsesII. Oven Components see Figure Electrical specifications for PS555G and PS570G gas ovens InstallationQuantity Base PAD KIT see FigureRecommendations Installation KIT see FigureIII. Ventilation System RequirementsConveyor Installation IV. Assembly2c. Legs/Casters Installation Quad Ovens Restraint Cable Installation10 Checking the conveyor tension Install the conveyor drive motor coverAdditional Information Electric Ovens Final AssemblyVI. Electrical Supply Additional Information Gas OvensSystem by closing its individual manual shutoff valve dur Rate regulator Must be installed in the line BeforeAbove steps or when necessary during service main VII. GAS SupplyGas Conversion 15 Flexible Gas Hose InstallationLocation and Description of Controls OperationII. Normal Operation STEP-BY-STEP III. Quick Reference Digital Temperature Controller IV. Quick Reference Troubleshooting Maintenance Daily MaintenanceWhen removing the conveyor, refer to -9 in , Installation II. Maintenance MonthlyLoosen the locking collar set screw, as shown in Figure III. Maintenance Every 3 MonthsSplit Belt Disassembly and Cleaning Remove the idler shaft assembly from the conveyorIV. Maintenance Every 6 Months Blower BeltsLubricating the Blower Fan Bearings Item Qty Description KEY Spare Parts KIT Available separately. See FigureGas Ovens Electric OvensThermocouples Wiring DiagramsElectricalwiringdiagrams 380V or 480V, 50/60Hz, 3 Ph Important diagram for the oven is alsoAn electrical wiring Located inside the machinery compartment