Middleby Cooking Systems Group PS520E User Manual download pdf (Page 16)

SECTION 3

OPERATION

WARNING

OVEN MUST BE KEPT CLEAR OF

COMBUSTIBLES AT ALL TIMES

III. STEP-BY-STEP OPERATION

A. Start-up Procedure

Daily Start-up

1. Turn the BLOWER switch (Figure 3-6) to the “ON” or “I”

position. This starts the main blower fan and the cooling

fans. This blower circulates air through the air fingers and

must stay on during the cooking or baking process.

2. Check to see if the cooling fans (see Figure 4-1 page

13) are operating when the blower switch (see Figure 3-6)

is turned “ON” or “I”. The cooling fans cool the control

components and blower motor. The cooling fans, located

at the rear of the oven blows air into and through the

cabinet. Air is exhausted through the front of the cabinet

and also out the front of the oven. Refer to Daily

Maintenance Section for fan intake checking procedure.

3. Turn the CONVEYOR switch (see Figure 3-6) to the

“ON” or “I” position. This starts the conveyor belt moving

through the oven. Set the conveyer 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.

NOTE: For complete temperature controller operation

instructions refer to Step C.

5. Turn the HEAT switch (see Figure 3-6) to the “ON” or “I”

position. This completes a circuit to supply electric power

to the electric heating system.

6. Oven will reach baking temperature of 500

F (232

C) in

approximately 20 minutes. Allow the oven to cycle for 30

minutes after it has reached desired baking temperature.

The oven is now ready for baking.

POWER FAILURE

In case of power failure, turn off all switches and remove

product. After power has been reestablished follow normal

start-up procedure.

B. Shutdown Procedure

1. Turn the BLOWER and HEAT switches to “OFF” or “O”.

NOTE: The blowers will remain on until the oven

temperature 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”

IMPORTANT NOTICE

The cooling fan operates when the BLOWER

switch is turned “ON” or “I”. It must operate to

keep the control console below 140

F (60

Figure 3-6. Control Panel

1 2 ... 11 12 13 14 15 16 17 18 19 20 21 ... 39 40

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Middleby Cooking Systems Group PS520E User Manual Page 16

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