Middleby Marshall PS540 (Triple) Oven User Manual


 
26
SECTION 3
OPERATION
CAUTION
In case of power failure, turn all switches to the “OFF”
("O") position, open the oven window, 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 RE-
STARTING THE OVEN.
The burner will not operate and gas will not flow
through the burner without electric power. No
attempt should be made to operate the oven during
a power failure.
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 con-
veyor 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 al-
lows you to monitor the
oven temperature as it
rises to the setpoint.
1. Turn the "HEAT" (
) and
"BLOWER" (
) swit-
ches to the "OFF" ("O")
position. Note that the
blowers will remain in op-
eration until the oven has
cooled to below 200°F
(93°C).
II. 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 5 minutes.
3. Open the window to allow the oven to cool faster.
2. Make certain that there
are no products left on
the conveyor inside the
oven. Turn the "CON-
VEYOR" (
) 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.
+
4. 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.
+
wait
for
or
wait
for
or
wait
for
1. Check that the circuit breaker/fused disconnect is in the
on position. Check that the window is closed.