Middleby Marshall PS528-Series OVENS PS528 (Double) - Manual (Page 24)

20
SECTION 3
OPERATION
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.
A.Daily Startup Procedure
3. Turn the "CONVEYOR"
( ) switch to the “ON”
("I") position.
4. If necessary, adjust the
conveyor speed setting
by pressing the or
pushbuttons on the
conveyor speed controller
to change the displayed
bake time.
6. Turn the "HEAT" ( )
switch to the "ON" ("I")
position, and wait for the
"HEAT ON" light to turn
on.
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.
1. Turn the "HEAT" ( ) and
"BLOWER" ( ) switches
to the "OFF" ("O") posi-
tion. Note that the blowers
will remain in operation
until the oven has cooled
to below 200°F (93°C).
IV. NORMAL OPERATION - STEP-BY-STEP 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.
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.
2. Make certain that there
are no products left on the
conveyor inside the oven.
Turn the "CONVEYOR" (
) switch to the "OFF"
("O") position.
2. Turn the "BLOWER"
( ) switch to the
“ON” ("I") position.
• Press the Up Arrow
and Down Arrow
Keys as necessary to
adjust the set-point.
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.
B. DAILY SHUTDOWN PROCEDURE
9. Allow the oven to preheat for 10 minutes after it has reached
the set point temperature.
+
+
wait
for
or
wait
for
or
wait
for
1. Check that the circuit breaker/fused disconnect is in the
on position.