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.

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 15 minutes.

2. Turn the "BLOWER"

() switch to the “ON” ("I") position.

3.Turn the "CONVEYOR"

() switch to the “ON” ("I") position.

8.(Optional) Press the Tem- perature () key to show the Actual Temperature in the display, and wait for the "ACTUAL TEMP" light to turn on. This allows you to monitor the oven temperature as it rises to the setpoint.

wait

for

4.If necessary, adjust the

conveyor speed

setting

 

by pressing the

or

or

pushbuttons on the

conveyor speed controller

 

to change the displayed

 

bake time.

 

 

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

B.daily Shutdown ProcedurE

1. Turn the "HEAT" ( ) and

+

"BLOWER" (

) switches

to the "OFF" ("O") posi-

 

tion. Note that the blowers

 

will remain

in operation

 

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.

wait

+ for

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 "CONVEYOR" ( ) switch to the "OFF" ("O") position.

Press the Up Arrow

and Down Arrow Keys as necessary to adjust the set-point. or

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

wait

for

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

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 pro- cedure. 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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Middleby Marshall PS528E, PS528 (Double), PS528 (Triple) IV. Normal Operation STEP-BY-STEP, Daily Startup Procedure