Middleby Marshall PS570S - Manual (Page 14)

A. DAILY STARTUP PROCEDURE
3. Turn the "CONVEYOR" (or
) switch to the “ON”
(or "I") position.
5. Adjust the temperature controller to a desired set tempera-
ture, if necessary.
6. Turn the "HEAT" (or )
switch to the "ON" (or "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" (or )
and "BLOWER" (or )
switches to the "OFF" (or
"O") position. Note that
the blowers will remain in
operation 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.
CAUTION
In case of power failure, turn all switches to the “OFF” (or "O")
position, open the oven window, and remove the product.
After the power has been restored, perform the normal
startup procedure.
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.
2. Turn the "BLOWER" (or )
switch to the “ON” (or "I")
position.
+
wait
for
• Press the Up Arrow
and Down Arrow
Keys as necessary
to adjust the set-
point.
or
• Press the Set Point
and Unlock keys at
the same time. Wait
for the "SET PT" light
to turn on.
wait
for
B. DAILY SHUTDOWN PROCEDURE
9. Allow the oven to preheat for 10 minutes after it has reached
the set point temperature.
wait
for
+
1. Check that the circuit breaker/fused disconnect is in the on
position. If the oven is equipped with a window, check that
the window is closed.
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IMPORTANT
If the "HEAT ON" light will not illuminate, OR if the oven does
not heat, the gas burner may not have lit. Turn the "HEAT"
(
), "BLOWER" ( ) , and "CONVEYOR" ( ) switches to
the "OFF" ("O") position. Wait for AT LEAST FIVE MINUTES
before restarting the oven. Then, repeat the Daily Startup
procedure.
SECTION 3 - OPERATION
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.
or
2. Make certain that there
are no products left on the
conveyor inside the oven.
Turn the "CONVEYOR" (or
) switch to the "OFF"
(or "O") position.
3. If the oven is equipped with a window, open the window to
allow the oven to cool faster.
4. After the oven has cooled and the blowers have turned off,
switch the circuit breaker/fused disconnect to the off posi-
tion.