NUVU UB-12R Owner'S Manual Download

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MENOMINEE, MICHIGAN 49858

(906) 863-4401 • (800) 338-9886

FOOD SERVICE SYSTEMS

For NU–VU® Model:

Roll-In Electric Oven

Revised: 27 July 2006

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Summary of Contents for UB-12R

Page 1: ...38 9886 NU VU FOOD SERVICE SYSTEMS For NU VU Model Roll In Electric Oven Revised 27 July 2006 This page was created using BCL ALLPDF Converter trial software To purchase go to http store bcltechnologies com productcart pc instPrd asp idproduct 1 ...

Page 2: ...TENTS ABOUT YOUR NU VU EQUIPMENT 1 NU VU EQUIPMENT WARRANTY 2 RECEIPT AND INSTALLATION 5 OPERATING INSTRUCTIONS 11 MAINTENANCE AND CLEANING 21 TROUBLE SHOOTING GUIDE 22 REPLACEMENT PARTS LIST 26 This page was created using BCL ALLPDF Converter trial software To purchase go to http store bcltechnologies com productcart pc instPrd asp idproduct 1 ...

Page 3: ...into the heated baking chamber where it is flashed into steam This added steam will provide crusty breads or rolls for product variation EXTERNAL STEAM An external attached Steam Generator will provide generous amounts of high temperature steam to cook vegetables meats fish poultry seafood or any other item that can be steamed COOK N HOLD The COOK N HOLD system utilizes dual Oven Temperature Contr...

Page 4: ...ment parts and components covered by this warranty will ship C O D customers who maintain an open account may purchase against their account The return of defective parts is required The return of a defective part or component must be made prior to the issuance of a credit on an open account If a part that is returned tests satisfactory in the NU VU factory or at an authorized NU VU dealer or serv...

Page 5: ...etc the extra time for gaining access shall be charged to the owner of the unit NU VU has determined that the listed times which are based on the period of time necessary for a trained service person to perform the work noted are fair and reasonable If a problem is not diagnosed within a half hour the service person must contact NU VU s Service Department via telephone The Service Department is av...

Page 6: ...t abuse alteration misapplication inadequate storage prior to installation or improper specification or other operating conditions beyond our control Claims against carrier s damage in transit must be filed by the buyer and therefore the buyer must inspect the product immediately upon receipt THIS WARRANTY DOES NOT COVER ADJUSTMENTS DUE TO NORMAL ON GOING USE PARTS RETURN PROCEDURES AND CONDITIONS...

Page 7: ...or Make sure the Door operates freely closes completely and that the Door Gasket seals firmly If the Door does not close and seal properly please contact NU VU s Service Department for instructions and assistance in any required adjustments INSTALLATION PROCEDURES NU VU recommends that your UB 12R be installed by a licensed professional to ensure the proper positioning and connections Failure to i...

Page 8: ...ator Make sure there is sufficient clearance around the outside of the unit for safe and efficient operation We recommend a MINIMUM OF 6 CLEARANCE from all combustible and non combustible surfaces at the back and on each side of the UB 12R Because the unit is so large and heavy it may be impossible for two or even three people to move it later for any required service or maintenance Therefore we r...

Page 9: ...it The UB 12R should be connected by a licensed electrician or installer according to all applicable local state and national electric codes All electrical connections must be made with COPPER WIRE ONLY in the correct gauge for the application The unit may be connected either with a plug type connection or through direct wiring Allow enough slack in the wiring connection to allow for equipment to ...

Page 10: ...MS MENOMINEE MICHIGAN 49858 page 8 SALES FAX 906 863 5889 SERVICE FAX 906 863 6322 800 338 9886 This page was created using BCL ALLPDF Converter trial software To purchase go to http store bcltechnologies com productcart pc instPrd asp idproduct 1 ...

Page 11: ...k of the unit near the top refer to Illustration 1 on page 6 This single connection will supply all the water that your Oven option s may require IMPORTANT NU VU strongly recommends that SOFT WATER ONLY be used in any unit requiring a water supply Also a good quality water filter MUST be installed in line between the unit connection and the water supply to guard against clogging and mineral build ...

Page 12: ... it there while you thread the compression nut onto the Water Intake Fitting Tighten the compression nut with an open end wrench but do not over tighten the fitting If the joint leaks when tested and further gentle tightening does not stop the leak the two part compression fitting must be replaced Careful attention to these simple procedures will help to ensure an installation without leaks If you...

Page 13: ...ent This Adjustable Steam Vent is operated by the green Vent Control Handle on the front of the unit just below the Control Panel This Vent must be at least partially open at all times and should never be closed completely Illustration 3 above shows a UB 12R Control Panel with all of the Controls necessary for all of the options standard features are shown in solid lines optional features are indi...

Page 14: ...nds off holding of your product until you are ready to use it MOTOR REVERSING SWITCH Your UB 12R can be equipped with a Motor Reversing Switch There are three positions for this Switch OFFTurns the Oven Motor OFF You must set the Motor Reversing Switch to this position first and allow the Motor to come to a complete stop whenever you switch the Motor from HI to LO or from LO to HI HI Motor rotatio...

Page 15: ... Indicator Light will go out when the set pre heat temperature is reached STANDARD OPERATIONS A Remove the Oven Rack close and latch the Oven Door Set the Oven Power Switch to the ON position B Determine the correct processing temperature for your selected product and set this temperature on the Temperature Control refer to PRE HEATING The Temperature Control Indicator Light will illuminate as the...

Page 16: ... INTERNAL STEAM option A Increase the setting of the Oven Temperature Control just enough so that the Temperature Control Indicator Light comes on B Press and release the spring loaded Steam Switch to activate the internally timed water spray The Solenoid Valve will open allowing water to be sprayed into the hot Oven where it flashes into steam The water spray will automatically discontinue after ...

Page 17: ...e original cook temperature for hour to 1 hour depending on the product product density and load size The temperature will not instantly drop to the hold setting at the end of the timed cook cycle Plan your cook temperature cook time and hold temperature accordingly to obtain the best product Please follow these general guidelines for preparing meats fish or fowl A Set the Oven Power Switch to ON ...

Page 18: ...NOMINEE MICHIGAN 49858 page 16 SALES FAX 906 863 5889 SERVICE FAX 906 863 6322 800 338 9886 cook time This page was created using BCL ALLPDF Converter trial software To purchase go to http store bcltechnologies com productcart pc instPrd asp idproduct 1 ...

Page 19: ... MINUTE TIMER OPERATIONAL NOTES The entered time changes by 1 second each time you press a Time Set key Holding either key down changes the time by 1 second increments for the first 35 seconds of change 10 second increments for the next 8 minutes of change and 1 minute increments for the remainder of the change to a maximum set time of 99 minutes and 59 seconds 99 59 in the display window Releasin...

Page 20: ...rmine the optimum air velocity for your desired end results RETHERMALIZATION The RETHERMALIZATION option allows you to reheat large quantities of previously finished product quickly and easily This is accomplished by substituting the standard 5200 watt Heating Elements with 6200 watt Heating Elements The standard Oven Sidewalls are also replaced with a specially designed Rethermalizing Sidewall fo...

Page 21: ... The Display will flash PrE HEAt and then show the current internal temperature in F The Gas Burners will ignite illuminating the green Ignition Indicator Lights and the Oven will begin to heat F Prepare your product while the Oven is heating Place it on baking pans or in food service pans and load the pans onto the Oven Rack Make sure the baking or food service pans are positioned correctly to ma...

Page 22: ...s to a maximum of 500 and press ENTER to lock in the new setting refer to the table of GENERAL OVEN SETTINGS on page 22 The Display will now flash PrEHt with the new preheating temperature setting G Press the key to advance to the next setting If you are editing a Program in the Cook mode this setting will be for Cook Time the Display will show tinE1 and the current set cook time If you are editin...

Page 23: ...choose your next Program for entry or edit and repeat steps E through M OR press ENTER again to return to idLE Q Press MENU to select a new mode for Program entry or edit or begin running a Program refer to OPERATING PROCEDURES MINI CHEF PROGRAMMABLE CONTROL for guidance in running a Program PROGRAMMING NOTES If you are editing a Program and do not make an entry for two 2 minutes the Control will ...

Page 24: ...Oven should be swept out daily Occasional use of a small vacuum may help to clean the corners and spaces not accessible to a broom or brush C Clean the Oven interior on a regular basis with any mild commercial cleaner or with mild soap and hot water followed by a thorough rinse with fresh clean water Wipe the interior dry to prevent any spotting D Inspect the interior of the Oven for mineral depos...

Page 25: ...or proper voltage phase and amperage against the unit s label using a volt amp meter on the wires to the Power Terminal Block refer to Illustration 2 on page 8 B Check the Oven Heating Elements in each side by removing the Outside Top of the Oven to access the Heating Element wires Set the Oven Power Switch to ON and then set the Oven Temperature Control to 250 to activate the Heating Elements Use...

Page 26: ...er on the Element Cover or the Oven ceiling the Blower Wheel may be loose on the Oven Motor shaft Re torque the Blower Wheel set screws to 175 inch pounds V You have an uneven bake A Check the Oven Heating Elements in each side for proper operation refer to II B on page 19 B Be sure the Oven Door Gasket is tight on all sides with no gaps Use a small scrap of paper closed in the Door to test the Ga...

Page 27: ...k the Timer for proper operation refer to VII Oven Timer Does Not Run C Make sure the Buzzer Alarm wiring is correct One Buzzer terminal should be connected to terminal 6 on the back of the Timer The other Buzzer terminal is connected to any neutral or group of neutral WHITE wire D If all connections are correct clean and tight and the Buzzer still does not operate it must be replaced COOK N HOLD ...

Page 28: ...ulates the duration time of the steam injection by controlling the running time of the Steam Generator A cold start should produce steam within 2 or 3 minutes while a Steam Generator that is still hot from previous use will begin to produce steam in 15 to 30 seconds If no steam is noticed after a reasonable length of time A Make sure the water supply to the EXTERNAL STEAM Generator has not been in...

Page 29: ... 6200 watt 60 0133 240 volt 6200 watt 60 0134 10 Thermal Overload Safety Auto Reset 425f 66 1114 11 Cooling Fan 97525 12 Solenoid Valve 240Volt 50 0307 1 OVEN CONTROL COMPONENTS 13 Power Switch 66 3008 14 Temperature Control 425f 252 5008 15 Temperature Control 250f 252 4001 16 Control Knob 253 2003 17 Temperature Control Indicator Light red 240V 50 0030 18 Timer 60 Minute Mechanical 220V 60Hz 252...

Page 30: ...mbly 50 0777 30 Door Gasket 70 0241 31 Door Sweep Gasket 20 0719 32 Door Ramp Hinged Right 20 0750 Hinged Left 20 0546 PRISON OPTION COMPONENTS 33 Control Cover 20 0027 34 Security Hasp 50 0779 35 Inside Handle 20 0052 36 Outside Lockable Handle 50 0778 37 Hex Spanner Tool 51 0633 38 Motor Shroud Assy 20 9221 INTERIOR ALARM OPTION COMPONENTS 39 Alarm Bell 50 1374 EXTERNAL COMPONENTS 40 Cart Ramp 2...

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