Middleby Marshall Model PS536 - Manual (Page 23)

23
ENGLISH
B. DAILY SHUTDOWN PROCEDURE
1. Turn the "BLOWER" ( )
and "CONVEYOR" ( )
switches to the "OFF"
("O") position. Open the
window (if so equipped)
to allow the oven to cool
faster.
Note that the blowers will
remain in operation until
the oven has cooled to
below 93°C.
2. After the oven has cooled and the blowers are off, switch the
circuit breaker/fused disconnect to the off position.
+
6b. Check that the "HEAT ON"
light illuminates. This
shows that the burner or
heating elements have
been turned on.
8b. 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 232°C in approximately 5
minutes.
+
wait
for
• Press the Up Arrow
and Down Arrow
Keys as necessary
to adjust the set-
point.
or
5b. 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
If the oven uses this
Digital Temperature
Controller:
SECTION 3 - OPERATION
7b. (Gas ovens only) If the "RE-
SET" ( ) switch illumi-
nates, the gas burner did
not light. Press the "RE-
SET" (
) switch (repeat-
edly if necessary) to at-
tempt to light the burner.
NOTE: If the burner does not light within 15 minutes, the
oven enters a safety lockout mode that disables the "RE-
SET" (
) switch. If this occurs, turn the "HEAT" ( ),
"BLOWER" ( ), and "CONVEYOR" ( ) switches to the
"OFF" ("O") position. Wait for AT LEAST FIVE MINUTES.
Then, repeat the Daily Startup procedure.
9b. Allow the oven to preheat for 10 minutes after it has reached
the set point temperature.
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.
On gas ovens, 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.