Middleby Marshall PS360-U installation manual II. Normal Operation STEP-BY-STEP

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SECTION3-OPERATION

ENGLISH

II. NORMAL OPERATION - STEP-BY-STEP

A.DAILYSTARTUPPROCEDURE

1.Check that the circuit breaker/fused disconnect is in the on position. Check that the window is closed.

2.Turn the "BLOWER" ( )

switch to the “ON” ("I") position.

3. Turn the "CONVEYOR" () switch to the “ON” ("I") position.

7. (Gasovensonly)Ifthe"RE- SET" () switch illumi- nates, the gas burner did not light. Press the "RE-

SET" () switch (repeat-

edly if necessary) to attempt 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.

7. Wait for the oven to heat to the setpoint temperature. Higher

setpoint temperatures will require a longer wait. The oven

4. If necessary, adjust the

conveyor speed setting

can reach a temperature of 232°C in approximately 5

minutes.

by pressing the

or

 

pushbuttons on the con-

veyor speed controller to

change

the

displayed

bake time.

 

 

 

Some ovens may be

equipped

with

a

thumbwheel speed con-

troller. For these ovens,

turn

the

 

three

thumbwheels to change

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.

wait for

the displayed bake time.

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.

• Press the Up Arrow

and Down Arrow

Keys as necessary

to adjust the set-

point.

or

mins secs

 

thumbwheels

+

wait

for

or

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

B. DAILYSHUTDOWNPROCEDURE

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 93°C.

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.

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

wait

for

3. 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.

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.

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Contents Rev. B V1 7/01 PS36040kW 50kW 2x40kW 2x50kW 26kW 2x26kWFor Your Safety EnglishTable of Contents Description English III. Oven SpecificationsOven Uses Electrical specifications per oven cavity InstallationGas orifice and pressure specifications per oven cavity Installation KIT Installation kit components one kit required per cavityAdditional installation kit components for gas ovens 710II. Ventilation System RequirementsRecommendations Other ventilation concernsIII. Assembly IV. Thermocouple InstallationConveyor Installation Removing the Conveyor Drive SprocketVI. Final Assembly 11 Conveyor and Master Link OrientationVII. Electrical Supply VIII. GAS SupplyAdditional Information Gas Ovens Additional Information Electric OvensGas Meter Gas Utility Rough-In RecommendationsGas Line Preparation for Use with Various Gases Replacing the Gas Orifices if so requiredAdjusting the Orifice Manifold Pressure and Heat Input Volumetric MethodChecking the Gas Supply Inlet Pressure Orifice Manifold Pressure MethodConveyor Switch Turns the conveyor drive motor on and off Reset Switch Gas ovens only. IlluminatesOperation Location and Description of ControlsII. Normal Operation STEP-BY-STEP III. Quick Reference Digital Temperature Controller IV. Quick Reference Troubleshooting SymptomMaintenance Maintenance DailyII. Maintenance Monthly Removing the ConveyorIII. Maintenance Every 3 Months Split Belt Disassembly and CleaningIV. Maintenance Every 6 Months 10 Key Spare Parts KitDiagrams 400V, 50 Hz, 1 PhGas Oven 230V, 50 Hz, 1 Ph