baxter ML-132577 Manuale utente

Baxter Mfg, a Division of ITW FEG, LLC • 19220 State Route 162 East • Orting, WA 98360-9236
Phone: (360) 893-5554 • Fax: (360) 893-1337
www.baxtermfg.com
Model Number: ___________
Serial Number: ___________
Date of Installation: ___________
Operator
Manual
FORM 36764 Rev. C (February 2022)
OV520 ROTATING RACK OVEN WITH
SMART TOUCHTM CONTROL
ML-132577 OV520G1
ML-132576 OV520G2

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© BAXTER MFG., 2022
IMPORTANT FOR YOUR SAFETY
POST IN A PROMINENT LOCATION THE INSTRUCTIONS TO BE FOLLOWED IN THE EVENT
THE SMELL OF GAS IS DETECTED. THIS INFORMATION CAN BE OBTAINED FROM THE
LOCAL GAS SUPPLIER.
IMPORTANT
IN THE EVENT A GAS ODOR IS DETECTED, SHUT DOWN UNITS
AT MAIN SHUTOFF VALVE AND CONTACT THE LOCAL GAS
COMPANY OR GAS SUPPLIER FOR SERVICE.
FOR YOUR SAFETY
DO NOT STORE OR USE GASOLINE OR OTHER FLAMMABLE
VAPORS OR LIQUIDS IN THE VICINITY OF THIS OR ANY OTHER
APPLIANCE.
IMPROPER INSTALLATION, ADJUSTMENT,
ALTERATION, SERVICE OR MAINTENANCE CAN CAUSE
PROPERTY DAMAGE, INJURY OR DEATH. READ THE
INSTALLATION, OPERATING AND MAINTENANCE
INSTRUCTIONS THOROUGHLY BEFORE INSTALLING OR
SERVICING THIS EQUIPMENT.
IN THE EVENT OF A POWER FAILURE, DO NOT ATTEMPT TO
OPERATE THIS DEVICE.
KEEP AREA AROUND OVEN CLEAR OF COMBUSTIBLES. DO
NOT OBSTRUCT COMBUSTION AND VENTILATION OPENINGS
ON THE OVEN.
DO NOT SPRAYAEROSOLS IN THE VICINITY OF THISAPPLIANCE
WHILE IT IS IN OPERATION.

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TABLE OF CONTENTS
GENERAL................................................................................................................................................ 5
INSTALLATION....................................................................................................................................... 5
Warranty ............................................................................................................................................. 5
OPERATION ........................................................................................................................................... 5
Basic Operation ............................................................................................................................... 5
Rack Loading................................................................................................................................... 6
Rack Unloading ............................................................................................................................... 6
Operating Modes ................................................................................................................................ 7
Auto Mode...................................................................................................................................... 7
Manual Mode ................................................................................................................................. 7
Smart™ Touch Toolbox ................................................................................................................. 7
Display Screen Buttons ...................................................................................................................... 8
Auto Mode Buttons......................................................................................................................... 8
Manual Mode Buttons .................................................................................................................... 9
Classic Manual Mode Display and Buttons.................................................................................. 10
Toolbox Buttons.............................................................................................................................11
Miscellaneous Screens .................................................................................................................11
Using Auto Mode .............................................................................................................................. 12
Creating a Recipe ........................................................................................................................ 12
Using a Recipe............................................................................................................................. 17
Viewing a Recipe in Progress ...................................................................................................... 17
Manual Mode.................................................................................................................................... 18
Using Manual Mode ..................................................................................................................... 18
Using Classic Manual Mode......................................................................................................... 20
Using Smart Touch Toolbox Mode .................................................................................................... 20
User Manual Screen .................................................................................................................... 20
Data Exchange Screen ................................................................................................................ 21
Client Parameters Screen ............................................................................................................ 21
Parameters Table ......................................................................................................................... 22
Auto O ........................................................................................................................................ 23
Shutdown.......................................................................................................................................... 24
Restarting Oven................................................................................................................................ 24
TROUBLESHOOTING ......................................................................................................................... 25
Burners Will Not Light on Gas Oven................................................................................................. 25
Other Troubleshooting Topics........................................................................................................... 25
Error Screen Information .................................................................................................................. 25
CLEANING ............................................................................................................................................ 27

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MAINTENANCE.................................................................................................................................... 28
General ............................................................................................................................................ 28
As Needed ................................................................................................................................... 28
Daily ............................................................................................................................................. 28
Weekly ........................................................................................................................................ 28
Monthly......................................................................................................................................... 28
Bi-Monthly .................................................................................................................................... 28
Annually ....................................................................................................................................... 28
Preventive Maintenance ................................................................................................................... 28
Service And Parts Information .......................................................................................................... 28
OWNER PREVENTIVE MAINTENANCE PROCEDURE .................................................................. 29
Introduction....................................................................................................................................... 29
Tools Used for Inspection Procedure ........................................................................................... 29
Preventive Maintenance Procedure ................................................................................................. 29
Inspect Oven Lamps .................................................................................................................... 29
Clean and Vacuum Components and Control/Burner Compartment Area (Gas Only) ................ 30
Rack Lift and Rotation Assemblies............................................................................................... 30
Inspect Door Components ........................................................................................................... 31
Inspect Air Louvers....................................................................................................................... 33
Inspect Cavity Vent ...................................................................................................................... 33
Visually Inspect Electrical Connections........................................................................................ 33
Verify Ignition Module Safety Lockout Functions (Gas Only) ....................................................... 34
Verify Operation of Steam ............................................................................................................ 35

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OPERATION AND CARE OF
MODEL OV520 RACK OVEN
RETAIN THIS MANUAL FOR FUTURE REFERENCE
GENERAL
The Baxter OV520 Rack Oven accommodates a roll-in rack. It is equipped with the Smart Touch™ control
for baking, roasting, and/or steaming applications. A mechanism in the oven ceiling picks up and rotates
the rack during the baking/cooking cycle.
• Model OV520G1 is rated at 180,000 Btu/hr, natural or propane gas.
• Model OV520G2 is rated at 275,000 Btu/hr, natural or propane gas.
All instructions herein related to shutdown and restart procedures, cleaning, maintenance and any other
service work are prepared to be used by trained personnel and should not be used by anyone who is not
properly qualied.
INSTALLATION
See separate OV520G Installation Manual.
WARRANTY
To activate warranty, the Baxter OV520-series Rack Oven must have a startup performed by an authorized
Baxter servicer.
Failure to follow use, care, cleaning, and/or maintenance instructions in this Operator Manual may void
any product warranty provided by Baxter.
OPERATION
BASIC OPERATION
For best results, the oven must be preheated to bake temperature before baking begins.
1. The door must be closed for oven to heat. The rack carrier will lift and rotate only during timed bake.
NOTE: The rack carrier will be in the unload position from the last bake. If the rack carrier was moved
out of the home position, the rack carrier will lift and turn to the unload position when the door is opened.
2. Press the POWER button below the user display screen to turn the oven on.

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3. The oven will preheat to the default preheat temperature. See Client Parameters for information
about setting the default preheat temperature. See Auto Mode or Manual Mode for instructions on
how to adjust the temperature.
4. For optimum steaming capability, allow 30 minutes after the oven has reached the set temperature
for the steam system to charge.
5. The oven is now ready for baking operations.
The oven and its parts are hot. To prevent burns, use hot pads or protective mitts
when loading or unloading the oven.
Hot air and steam are released from the oven interior when the loading door is
opened. To avoid burns, open the door slowly and keep clear of the opening.
6. To adjust bake settings, see the Auto Mode or Manual Mode sections.
7. After the oven is preheated and the product is ready to bake, slowly open the door and load the rack
onto the oven carrier.
8. Close the door and touch the Start button. The rack will lift and rotate.
9. The oven will beep after the set time ends. Touch Stop or open the door to silence the beeper.
10. Open door. Allow the rack carrier to stop and lower. The rack can now be removed.
RACK LOADING
1. Type B and C rack carriers are equipped with stops on both ends. For B lifts, ensure stop ap is in
the up position to load the rack on the rack carrier. For C lifts, push rack stop to the left after rack is
loaded. Note: C carriers for single rack ovens only have one stop. Push rack in until rack hits rear
stop.
2. Roll the rack into the oven so the end brackets channel onto the rack carrier. When using racks
equipped with pan stops, load racks so stops will prevent movement of trays toward user when racks
are unloaded. Position pans so they do not extend beyond the rack. If the pans extend beyond the
rack, it may cause the rack to get jammed when rotating.
3. Close the loading door. The rack carrier will lift and rotate only during timed bake.
The oven and its parts are hot. To prevent burns, use hot pads or protective mitts
when loading or unloading the oven.
Hot air and steam are released from the oven interior when the loading door is
opened. To avoid burns, open the door slowly and keep clear of the opening.
RACK UNLOADING
1. Touch Stop and/or open the loading door to silence the beeper.
2. Wait for the rack carrier to stop and lower.
3. For B lifts, push the rack stop down to unload the rack from the rack carrier. For C lifts, push rack
stop to the right to open.
4. Roll the rack from the rack carrier.
5. Close the loading door.

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OPERATING MODES
The user display screen will default to the mode selected in the Client Parameters. Touch the mode at the
top of the screen to change the mode.
Auto Mode
Touch AUTO at the top of the
screen to access Smart Touch
Auto Mode operation (Fig. 1).
Recipes can have 1–6 steps.
Manual Mode
Touch MANUALat thetop ofthe
screen to access Smart Touch
Manual Mode operation (Fig.
2). Manual Mode operation can
be used for single-step recipes.
Smart™ Touch Toolbox
To access the Smart Touch
Toolbox, touch Toolbox (Fig. 3).
This mode accesses the User
Manual, Data Exchange, and
Client Parameters.
NOTE: The Smart Touch
control can also be adjusted
to operate in Classic Manual
Mode (Fig. 4). This mode
emulates the traditional Baxter
keypad control.
Fig. 1 Fig. 2
Fig. 3 Fig. 4

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DISPLAY SCREEN BUTTONS
The Auto and Manual modes are adjusted by touching the various buttons on the display. Review the
charts below for information about each button.
Auto Mode Buttons
BUTTON NAME ACTION
Baxter Recipes Shows preset Baxter recipes. These can be copied to My Recipes
and then modied.
My Recipes Location of customer recipes. Recipes can be copied, created,
modied, or deleted here.
Recipe Selector
Shows list of all recipes as images.
Touch up/down arrow to scroll pages.
Select recipe by touching desired recipe image.
Copy Touch to copy a recipe.
New Touch to create a new recipe.
Modify Touch to modify a recipe.
Delete Touch to delete an existing recipe from My Recipes.
Summary Touch to enable preheating when a recipe is selected and review all
steps and bake/cook parameters of a recipe.
List Display Touch to view all recipes in a list view alphabetically. Toggles to
Photo Display when touched.
Photo Display Touch to view all recipes in as images. Toggles to List Display when
touched.
Cooldown
Touch to access keypad for temperature adjustments and to start a
cooldown process.
NOTE: Start button at the bottom of the display will turn blue and
scroll COOLING during a cooldown cycle. Cooldown temperature
must be set to a minimum of 25°F below oven temperature.
Start
Touch Start to initiate a bake/cook cycle and all parameters. Oven
status will display.
Green Start button means oven is preheated.
Yellow Start button means oven is preheating.

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BUTTON NAME ACTION
Stop Touch Stop to end a bake/cook cycle in process.
End
Touch end to nish a bake/cook cycle.
NOTE: After bake/cook time ends, touch time display to add time
using the keypad.
Manual Mode Buttons
BUTTON NAME ACTION
Temperature
Setting Display
Shows set and current temperature. Touch the window to access the
keypad for temperature adjustment. Temperature can be adjusted at
any time.
Timer Setting
Display
Shows set and remaining time. Touch the window to access keypad
for timer adjustment.
NOTE: After bake/cook time ends, touch time display to add time
using the keypad.
Fan Delay Shows the Fan Delay Time for the current step in a recipe. Touch
the button to access keypad to change fan delay time.
Vent (Open) Allows the cavity vent to be opened or closed during a recipe or
step. When the button is touched, the icon toggles indicating the
opened or closed setting. This feature can be programmed into a
step or manually adjusted by touching the button while a recipe is
running.
Vent (Closed)
Steam Burst Touch to access keypad and set steam time.
Steam Pulse
Touch and hold the Steam button for 3 seconds to access pulse
steam mode. Touch again to access keypad and set steam time and
interval.
Cooldown
Touch to access keypad for temperature adjustments and to start a
cooldown process.
NOTE: Start button at the bottom of the display will turn blue and
scroll COOLING during a cooldown cycle. Cooldown temperature
must be set to a minimum of 25°F below oven temperature.
Add/Subtract
Time
Touch + / - to change time during a bake/cook cycle. Time is added
to the last step.
NOTE: After bake/cook time ends, touch time display to add time
using the keypad.
Save Touch to save current one-step recipe in My Recipes.

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BUTTON NAME ACTION
Start
Touch Start to initiate a bake/cook cycle and all parameters. Oven
status will display.
Green Start button means oven is preheated.
Yellow Start button means oven is preheating.
Stop Touch Stop to end a bake/cook cycle in process.
End
Touch End to nish a bake/cook cycle.
NOTE: After bake/cook time ends, touch time display to add time
using the keypad.
Classic Manual Mode Display and Buttons
DISPLAY/BUTTON NAME ACTION
Temperature Display
Shows set temperature. Use arrows to adjust
temperature. Temperature can be adjusted at any time.
Touch window to display current temperature.
Timer Display
Shows set and remaining time. Use arrows to adjust time.
Touch window to display set time during a bake/cook
cycle.
Steam Display Shows set steam time. Use arrows to set steam time.
Fan Delay Display Shows fan delay time. Use arrows to set fan delay time.
Arrows Use arrows next to each display to adjust settings.
Cooldown
Adjust temperature to desired lower temperature using
temperature down arrow and touch Cooldown button.
Touch the Stop button to end a cooldown process.
NOTE: Cooldown temperature must be set to a minimum
of 25°F below oven temperature.
Vent (Open/Closed) Touch button to open or close the vent.
Start
Touch Start to initiate a bake/cook cycle and all functions.
Green Start button means oven is preheated.
Yellow Start button means oven is preheating.
Stop Touch Stop to end a current bake/cook cycle.
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