Middleby Marshall PS536ES Iii. Step-By-Step Operation, A. Startup Procedures Daily Startup

SECTION 3

OPERATION

WARNING

OVEN MUST BE KEPT CLEAR OF

COMBUSTIBLES AT ALL TIMES.

III. STEP-BY-STEP OPERATION

Control Panel (On split belt ovens, two conveyor speed controls are mounted on the control panel.)

A. Startup Procedures

Daily Startup

1.Turn the BLOWER/HEAT switch (Figure 3-6) to the “ON” or “I” position. This starts the main blower fan and the cooling fan. The blower circulates air through the air fingers and must stay on during the cooking or baking process.

2.Checktoseeifthecoolingfan(seeFigure1-8)isoperating whentheBLOWER/HEATswitch(seeFigure3-6)isturned“ON” or“I”.Thecoolingfanscoolthecontrolcomponentsandburner blowermotor.Thecoolingfan,locatedattherearoftheelectrical control cabinet blows air into and through the cabinet. Air is exhaustedthroughthefrontofthecabinetandalsooutthefront of the oven. Refer to Daily Maintenance Section for fan intake checkingprocedure.

IMPORTANT NOTE

The cooling fan operates when the BLOWER/ HEAT switch is turned “ON” or “I”. It must operate to keep the control console below 140°F (60°C).

3.Turn the CONVEYOR switch (Figure 3-6) to the “ON” or “I” position. This starts the conveyor belt moving through the oven. Set the conveyor speed for the desired baking time. Refer to the following Procedures E, F and G.

4.Set the temperature controller to the desired baking temperature. See section on bake times to determine desired temperature.

NOTE: For complete temperature controller operation instructions refer to Step C.

5.Turn the HEAT switch (Figure 3-6) to the “ON” or “I” position. This completes a circuit to supply electric power to the electric heating system.

6.Close front window.

7.Oven will reach a baking temperature of 500°F (232°C) in approximately 10 minutes. Allow the oven to cycle for

30minutes after it has reached desired bake temperatue. The oven is now ready for baking.

Power Failure

In case of power failure, turn off all switches; open oven window and remove product. After power has been reestablished follow normal startup procedure.

B. Shutdown Procedure

1. Turn the BLOWER/HEAT switch to “OFF” or “O”.

NOTE: The blowers will remain on until the oven tempera- ture cools down to 200°F (93°C) at which time they will stop automatically.

2.Make certain that there are no products left on the conveyor inside the oven. Turn the CONVEYOR switch to “OFF” or “O”.

3.Open the oven window.

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