Middleby Marshall PS624E IV. Normal Operation STEP-BY-STEP, Daily Startup Procedure

Page 24

SECTION 3

OPERATION

IV. NORMAL OPERATION - STEP-BY-STEP

A.Daily Startup Procedure

1.Check that the circuit breaker/fused disconnect is in the on position.

2. Turn the "BLOWER" ( ) switch to the “ON” ("I") position.

3. Turnthe"HEAT/CONVEYOR"

( ) switch to the “ON” ("I") position.

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7.Wait for the oven to heat to the setpoint temperature. Higher setpoint temperatures will require a longer wait. The oven can reach a temperature of 500°F (232°C) in approximately 10-12 minutes.

8. (Optional) Press the Tem-

 

perature ( ) key to show

 

the Actual Temperature

wait

in the display, and wait

for

for the "ACTUAL TEMP"

light to turn on. This al-

 

lows you to monitor the

 

oven temperature as it

 

rises to the setpoint.

 

9.Allow the oven to preheat for 10 minutes after it has reached the set point temperature.

B.DAILYSHUTDOWNPROCEDURE

4.If necessary, adjust the

conveyor speed setting by pressing the or pushbuttons on the con- veyor speed controller to change the displayed bake time.

5. Adjust the temperature

controller to a desired set

temperature, if neces-

sary.

• Press the Set Point

and Unlock keys at

the same time. Wait

for the "SET PT" light

to turn on.

or

wait

+ for

• Press the Up Arrow

and Down Arrow

Keys as necessary

to adjust the set-

point.

or

1. Turn

the

"HEAT/

CONVEYOR" (

 

)

and "BLOWER"

(

)

switches to

the

"OFF"

("O") position. Note that

the blowers will remain

in operation until

the

oven

has

cooled

to

below 200°F (93°C).

2. Make certain that there

are no products left on

the conveyor inside the

oven.

Turn the "HEAT/

CONVEYOR" (

 

)

switch to the "OFF" ("O")

position.

 

 

 

+

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3.After the oven has cooled and the blowers have turned to the “OFF” or “O” position, switch the circuit breaker/fuse disconnect to the “OFF” or “O” position.

CAUTION

6. Turn the "HEAT/CONVEYOR"

( ) switch to the "ON" ("I") position, and wait for the "HEAT ON" light to turn on.

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wait for

In case of power failure, turn all switches to the “OFF” ("O") position and remove the product. After the power has been restored, perform the normal startup procedure. IF THE OVEN WAS SWITCHED OFF FOR LESS THAN 5 MINUTES, WAIT FOR AT LEAST FIVE MINUTES BEFORE RESTARTING THE OVEN.

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Contents Owners operating Page Middleby Marshall IiiTable of Contents Section Description PS624 Series Oven Specifications PS624-Series Oven Components Locations II. Component Function Cooling Fan Air Finger Section Installation Section Installation Unloading03  /6%. .34!,,!4 152%$ +43 !.$.%150-%.4 Model PS624 Single Oven Dimensions Model PS624 Double Oven Dimensions Model PS624 Triple Oven Dimensions II. Ventilation Guidelines Electric Supply to be Provided by CustomerIV. Electric Supply 11. Junction Connection BoxSection Operation Control FunctionsDoor Safety Switch Blower SwitchHeat / Conveyor Switch Temperature ControllerMeasuring Conveyor Speed ConveyorSee Figures 3-4 Startup Procedures Daily Startup Power FailureShutdown Procedure III. STEP-BY-STEP OperationControl Panel Daily Startup Procedure IV. Normal Operation STEP-BY-STEPSP Lock Quick Reference Troubleshooting SymptomSection Maintenance Maintenance Daily ExteriorCooling Fan Conveyor Belt FigureII. Maintenance Monthly Removing Conveyor From Oven For CleaningOosen 4WOO3CREWS and 2EMOVEE#HAIN3PROCKET #OVER Air Fingers Disassembly For Cleaning Standard FingersReassembly of Air Fingers 11. Standard Lower FingerCenter Spacer Extended Lip Flange Finger Manifold Reinstall End Plugs Conveyor Reassembly Into Oven Checking Conveyor Belt TensionConveyor Belt Link Removal Push and hold conveyor end down to reinstall the chain Attaching Drive ChainIII. Maintenance 3 and 6 Month Important NoticesKEY Spare Parts KIT PS624-SERIES Electric Oven KEY Spare Parts KITSection Maintenance Section Troubleshooting Section Troubleshooting Section Electrical Schematics Wiring Diagram, E380V 17.44 kW, PS624E/PS824E Wiring Diagram, E380V 17.4 kW, PS624E/PS824E CE Wiring Diagram, 400-416V 4 kW, PS624E/PS824E Section Electrical Schematics