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Related Manuals for Nu-Vu SUB-123
Summary of Contents for Nu-Vu SUB-123
- Page 1 ® NU-VU Model: SUB-123 Oven / Proofer A Quality Product Made in the U.S.A. Manufactured exclusively for: ® NU-VU Food Service Systems 5600 13 STREET MENOMINEE, MICHIGAN 49858-1029 (800) 338-9886 FAX (906) 863-5889 Revised: 1 April 2004 (SUB-123.04B)
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- Page 3 (800) 338-9886. You can also fax your question or comment to our Service Department at (906) 863-6322. You can even e-mail us at service@nu-vu.com. One of our service technicians will be glad to assist you. Please remember to ®...
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Page 5: Table Of Contents
TABLE OF CONTENTS ABOUT YOUR SUB-123 ...................... 1 SUB-123 Specifications ....................2 RECEIPT, INSTALLATION AND START-UP Receipt .......................... 3 Installation ........................4 Connection of Electrical Supply ................4 Connection of Optional Water Supply ..............6 Start-Up Oven ........................7 Standard Manual-Fill Proofer ................8 Optional AUTOMIST Proofer ................. - Page 6 Caster, How to Replace To Lay Unit Down ....................44 To Lift Unit ......................44 To Replace Caster ....................44 ® NU-VU EQUIPMENT WARRANTY Parts ..........................45 Labor ........................... 45 Warranty Limitations ....................46 Parts Return Procedure and Conditions ..............47 REPLACEMENT PARTS LIST Electrical Components ....................
- Page 7 LIST OF ILLUSTRATIONS AND SCHEMATICS Fig. #1 ............ Installation ............3 Fig. #2 ........Power Supply Connections ..........5 Fig. #3 ........Changing Electrical Phases ..........5 Fig. #4 ........Manual Fill Proofer Controls ........... 13 Fig. #5 ........AUTOMIST Proofer Controls ........... 14 Fig.
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Page 9: About Your Sub-123
® from country to country, state to state, and even from locality to locality. For this reason, NU-VU cannot give specific detailed information regarding your individual application. Your local building inspector, licensed contractor, or installer is best qualified to determine your specific needs. -
Page 10: Sub-123 Specifications
Any unit requiring connection to a water supply comes equipped with a 1/4” OD compression-type copper fitting installed on the back of the unit (refer to Fig. #1 on page 3) ® The SUB-123 can be supplied in several electrical configurations. Please call NU-VU with electrical information specific to your area. -
Page 11: Receipt, Installation And Start-Up
Gaskets seal firmly (refer to the DOOR TEST PROCEDURE in the SERVICE AND ® REPLACEMENT GUIDE). If they do not close or seal properly please contact the NU-VU Service Department for instructions and assistance in any required adjustments. G. Count the number of Shelves included. There should be a total of twelve (12) Shelves (nine for the ®... -
Page 12: Installation
Check to determine that the power source is the same voltage and phase as that indicated on the label on the ® side of the unit. If the voltage or phase is not the same, please call NU-VU for instructions on changing the voltage and/or phase of your equipment. -
Page 13: Fig. #2 ...................................... Power Supply Connections
If the readings match, the unit is ready for its ® initial START-UP. If the readings DO NOT coincide you must call the NU-VU Service Department for instructions on changing the voltage and/or the phase. -
Page 14: Connection Of Optional Water Supply
INITIAL START-UP. NOTE: Your SUB-123 is equipped with a Drain in the floor of the Proofer compartment. This Drain prevents the accumulation of excess water that may damage the Proofer Motor, Heating and/or Humidity Elements, or a Control Sensor. -
Page 15: Start-Up
START–UP: Prior to starting up the SUB-123 for the first time it is advisable to set all the controls and switches to their OFF positions. (refer to Fig. #6 on page 16) Oven - - A. -
Page 16: Standard Manual-Fill Proofer
VII - The Oven or Proofer Timer does not run or VIII -The Buzzer Alarm does not sound. Return all Proofer controls and switches to their OFF positions. Your manual fill SUB-123 is now ready to operate! Optional AUTOMIST Proofer - - (refer to Fig. - Page 17 Check the thermometer reading against the Temperature Control setting when the Temperature Control Indicator Light goes out. If the readings differ by more than 5 ° the Temperature Control ® may need a simple adjustment. Please call the NU-VU Service Department BEFORE attempting calibration or adjustment of the control.
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Page 18: Product Preparation And Use Of Unit
If you don't have ® such a manual you may obtain a manual of general information from NU-VU Study the manual and make up a list of questions. - Page 19 Temperature and Humidity Controls to the desired proofing temperature and humidity levels. NOTE: The SUB-123 is available with the AUTOMIST option in the Proofer. This option eliminates the manually filled Water Pan in the Proofer by injecting and distributing a controlled water mist throughout the Proofer to provide proofing humidity.
- Page 20 Baking temperatures too high or time too long. Product will have dark spots and/or ends. Baking temperature too low or time too short. Product will be uneven or too light in color. ® NU-VU FOOD SERVICE SYSTEMS MENOMINEE, MICHIGAN 49858-0035 page Sales Fax (906) 863-5889 ♦...
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Page 21: Operating Instructions
For the Standard Manual Fill Proofer - - Begin to pre-heat the Proofer section of the SUB-123 about 20 to 30 minutes before its scheduled use. A. Set out the desired product for thawing. Be sure to allow sufficient time in your schedule for both the product and your equipment to reach the correct conditions. -
Page 22: For The Optional Automist Proofer
For the Optional AUTOMIST Proofer - - Begin to pre-heat the Proofer section of the SUB-123 about 20 to 30 minutes before its scheduled use. A. Set out the desired product for thawing. Be sure to allow sufficient time in your schedule for both the product and your equipment to reach the correct conditions. - Page 23 TIP: If water accumulates on the floor in front of your Proofer from drippings out of the Proofer Door you are probably proofing with too much humidity. Decrease the Humidity Control setting. ® If water on the floor is a constant problem for you please call the NU-VU Service Department at (800) 338-9886, extension #771.
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Page 24: Oven
Timer knob past, then back to the desired time for best accuracy. If your unit is equipped with the optional 99-Minute Digital Timers, please refer to the instructions on page 17. ® NU-VU FOOD SERVICE SYSTEMS MENOMINEE, MICHIGAN 49858-0035 page Sales Fax (906) 863-5889 ♦... -
Page 25: 99-Minute Digital Timer (Optional)
This Digital Timer contains a short-term memory chip to prevent the loss of a Timer setting because of an accidental shut-down of the unit or a temporary power outage. The Timer will recall the last entered time setting when the unit is restarted. ® NU-VU FOOD SERVICE SYSTEMS MENOMINEE MICHIGAN 49858-0035 (800) 338-9886 Sales Fax (906) 863-5889 ♦... -
Page 26: General Settings
2.0 ounce 310 ° Leon's Cookies: 1.3 ounce 310 ° 12 - 15 2.0 ounce 310 ° 12 – 15 NOTES: ® NU-VU FOOD SERVICE SYSTEMS MENOMINEE, MICHIGAN 49858-0035 page Sales Fax (906) 863-5889 ♦ Service Fax (906) 863-6322 (800) 338-9886... -
Page 27: Maintenance And Cleaning Guide
For example, both the Oven Motor and Proofer Motor have sealed bearings and never need to be lubricated. ® While NU-VU equipment is designed for minimum care and maintenance, certain steps are required by the user for maximum equipment life and effectiveness: •... -
Page 28: Cleaning
CLEANING: Your SUB-123 should be cleaned daily and as soon as possible after a spill has occurred. It is essential to maintain a clean unit, especially if the public views the unit in your place of business. The following should be used for cleaning: A. -
Page 29: Trouble-Shooting Guide
D. If the Temperature Control functions properly but the Oven Motor still does not run, the Oven Motor is probably bad and should be replaced (refer to OVEN MOTOR, How to Replace in the SERVICE AND REPLACEMENT GUIDE). ® NU-VU FOOD SERVICE SYSTEMS MENOMINEE MICHIGAN 49858-0035 (800) 338-9886 Sales Fax (906) 863-5889 ♦... - Page 30 NU–VU Service Department at (800) 338-9886. Be prepared to describe exactly what is wrong with your bake so that we may be of assistance. ® NU-VU FOOD SERVICE SYSTEMS MENOMINEE, MICHIGAN 49858-0035 page Sales Fax (906) 863-5889 ♦ Service Fax (906) 863-6322...
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Page 31: Proofer
Check the Proofer Heating Elements [12 or 87] under the Proofer Element Cover [62]. They should get hot to the touch a few seconds after the Proofer Temperature Control is activated. ® NU-VU FOOD SERVICE SYSTEMS MENOMINEE MICHIGAN 49858-0035 (800) 338-9886 Sales Fax (906) 863-5889 ♦... - Page 32 Check the Humidity Control, the Repeat Cycle Timer and the Solenoid Valve with a voltmeter or ohmmeter for proper operation. Any suspect component should be thoroughly checked. All nonfunctional components must be replaced. ® NU-VU FOOD SERVICE SYSTEMS MENOMINEE, MICHIGAN 49858-0035 page Sales Fax (906) 863-5889 ♦...
- Page 33 Check the associated Control to see if it functions correctly. If the Control functions but the Light does not go on the Light itself is bad and should be replaced (refer to INDICATOR LIGHT, How to Replace in the SERVICE AND REPLACEMENT GUIDE). ® NU-VU FOOD SERVICE SYSTEMS MENOMINEE MICHIGAN 49858-0035 (800) 338-9886 Sales Fax (906) 863-5889 ♦...
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Page 34: Service And Replacement Guide
SUB–123 OWNER'S MANUAL SERVICE AND REPLACEMENT GUIDE Your SUB-123 has been designed to be serviced quickly and easily. In fact, any individual who has average mechanical ability can do the work. Our Service Department is also available to you Monday through Friday from 7:00 a.m. -
Page 35: Power Terminal Block Or Contactor
The Power Terminal Block [1] or Contactor [3] very seldom requires replacement. However, should either one ever become damaged or defective in any way, a qualified electrician or service technician ® should be called in and the NU-VU Service Department notified immediately! IMPORTANT: IMPROPER INSTALLATION OR REPLACEMENT MAY CAUSE SEVERE EQUIPMENT DAMAGE OR PERSONAL INJURY, AND MAY ALSO VOID ALL OR PART ®... -
Page 36: Blower Wheel Installation And Balancing
A. Clip a weight to the inside of an air vane. Turn the Oven ON and depress the Door Micro Switch [15]. Watch the Oven Motor [7] for any sign of vibration. Release the Micro Switch and allow the Blower Wheel to come to a stop. ® NU-VU FOOD SERVICE SYSTEMS MENOMINEE, MICHIGAN 49858-0035 page Sales Fax (906) 863-5889 ♦... -
Page 37: Proofer Motor Assembly, How To Replace
Make sure the Fan or Wheel does not drag on the floor of the Proofer. Replace the Proofer Element Cover and retest the Proofer Motor Assembly. Make sure the Fan or Wheel does not drag on the underside of the Element Cover. ® NU-VU FOOD SERVICE SYSTEMS MENOMINEE MICHIGAN 49858-0035 (800) 338-9886 Sales Fax (906) 863-5889 ♦... -
Page 38: Oven Heating Element, How To Replace
D. Remove the defective Proofer Heat Element from its mountings and pull it from the Proofer. Clean away any old sealant around the mounting holes in the side of the Proofer. ® NU-VU FOOD SERVICE SYSTEMS MENOMINEE, MICHIGAN 49858-0035 page Sales Fax (906) 863-5889 ♦... -
Page 39: Proofer Humidity Element, How To Replace
G. Ease the replacement Element into place while continuing the feed the wire bundle through the conduit hole in the box. Make sure the wiring is not kinked or twisted, and that the Element is evenly supported by the Mounting Ring. ® NU-VU FOOD SERVICE SYSTEMS MENOMINEE MICHIGAN 49858-0035 (800) 338-9886 Sales Fax (906) 863-5889 ♦... -
Page 40: Temperature Control, How To Adjust
Compare the Temperature Control setting to the reading on the test instrument. If there is a ® difference of more than 25 ° in the Oven or 15 ° in the Proofer you should call the NU-VU Service Department for advice on adjusting or replacing components. -
Page 41: Automist Humidity Control Only
A. Remove the Control Panel from the face of the unit to expose the wiring connections for the Oven Temperature Control Sensor [5]. Locate the Oven Temperature Control Circuit Board [4] and disconnect the Sensor wires from the Circuit Board. ® NU-VU FOOD SERVICE SYSTEMS MENOMINEE MICHIGAN 49858-0035 (800) 338-9886 Sales Fax (906) 863-5889 ♦... -
Page 42: Proofer Temperature Control Sensor, How To Replace
H. Restore electrical power to the unit and test the replacement Temperature Control Sensor for ® proper operation. NU-VU recommends that any replacement Control Sensor be tested for proper operation. It may be necessary to adjust the Temperature Control (refer to TEMPERATURE CONTROL, How To Adjust). -
Page 43: Proofer Humidity Control Sensor, How To Replace
H. Restore electrical power to the unit and test the replacement Temperature Control Sensor for ® proper operation. NU-VU recommends that any replacement Control Sensor be tested for proper operation. It may be necessary to adjust the Temperature Control (refer to TEMPERATURE CONTROL, How To Adjust). -
Page 44: 99-Minute Digital Oven/Proofer Timer, How To Replace
Replace the Control Panel and secure it in place with the mounting screws. Be careful not to pull or pinch any wires while installing the panel. Restore electrical power to the unit and test the replacement Timer for proper operation. ® NU-VU FOOD SERVICE SYSTEMS MENOMINEE, MICHIGAN 49858-0035 page Sales Fax (906) 863-5889 ♦... -
Page 45: Power Switch, How To Replace
D. Turn one mounting nut onto the replacement Fig. #16 – Micro Switch Assembly Micro Switch until it is approximately 2/3 of the way down the threaded shaft. ® NU-VU FOOD SERVICE SYSTEMS MENOMINEE MICHIGAN 49858-0035 (800) 338-9886 Sales Fax (906) 863-5889 ♦ Service Fax (906) 863-6322... -
Page 46: Indicator Light, How To Replace
Restore electrical power to the unit. Check the replacement Buzzer Alarm by setting the appropriate Timer for any time over five minutes and letting it count down. The Buzzer should sound when the Timer reaches "0". ® NU-VU FOOD SERVICE SYSTEMS MENOMINEE, MICHIGAN 49858-0035 page Sales Fax (906) 863-5889 ♦... -
Page 47: Repeat Cycle Timer, How To Replace
MAKE SURE ALL POWER TO THE UNIT IS OFF. FAILURE TO DO SO MAY CAUSE SEVERE EQUIPMENT DAMAGE OR PERSONAL INJURY! A. Locate and turn OFF the main water supply to the SUB-123. Remove the Side Access Panel [74] on the left side of your unit to expose the Water Solenoid Valve [84] and its plumbing and wiring connections. -
Page 48: Digital Thermometer, How To Replace
Remove the three screws holding the Thermometer to the front of the unit and pull the defective Thermometer out through the front of the SUB-123. D. Feed the sensor end of the new Thermometer through the front of the unit and secure the new Thermometer in place with the three mounting screws. -
Page 49: Door Latch, How To Adjust
Cover straight out from the door to remove it, and remove the two acorn nuts. Loosen and remove the three screws securing the Door Latch [44] to the latch bracket. Remove the Door Latch and its adjustment plate. ® NU-VU FOOD SERVICE SYSTEMS MENOMINEE MICHIGAN 49858-0035 (800) 338-9886 Sales Fax (906) 863-5889 ♦... -
Page 50: Door Latch Catch Plate, How To Replace
Hinges on Flush-Mount Doors are preset at the NU-VU factory and should not need adjustment. ® However, if you experience any problems with Door operation please call the NU-VU Service Department for assistance at (800) 338-9886. HINGES, How To Replace: A. -
Page 51: Replacing The Oven Door Gasket
FUMES MAY CAUSE IRRITATION TO THE EYES AND/OR NASAL PASSAGES. USE CAUTION WHEN OPENING YOUR UNIT AFTER WAITING FOR ANY FRESH SEALANT TO SET UP AND CURE! ® NU-VU FOOD SERVICE SYSTEMS MENOMINEE MICHIGAN 49858-0035 (800) 338-9886 Sales Fax (906) 863-5889 ♦ Service Fax (906) 863-6322... -
Page 52: Caster, How To Replace
Caster. Position the replacement Caster under the unit base and insert the mounting bolts. Install and tighten the nuts. ® NU-VU FOOD SERVICE SYSTEMS MENOMINEE, MICHIGAN 49858-0035 page Sales Fax (906) 863-5889 ♦... -
Page 53: Nu-Vu Equipment Warranty
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 ®... -
Page 54: Warranty Limitations
IMPORTANT: NU-VU WILL NOT PAY FOR ANY SERVICE CALLS AS WARRANTY ®... -
Page 55: Parts Return Procedure And Conditions
SUB–123 OWNER'S MANUAL NU-VU EQUIPMENT WARRANTY ® Products must be installed and maintained in accordance with NU-VU instructions. Users are responsible for the suitability of the products to their application. There is no warranty against damage resulting from accident, abuse, alteration, misapplication, inadequate storage prior to installation, or improper specification or other operating conditions beyond our immediate control. -
Page 56: Replacement Parts List
REPLACEMENT PARTS LIST SUB–123 OWNER'S MANUAL REPLACEMENT PARTS LIST (SUB-123) Reference # Description Replacement Part # ELECTRICAL COMPONENTS - - Power Terminal Block ......................... 50-0237 Ground Lug ..........................50-0062 Contactor: 120-volt coil, 40-amp (US)..................... 66-2013 240-volt coil, 40-amp (non-US) ..................... 66-2017 Oven Temperature Control Circuit Board ................. -
Page 57: Oven Control Components
Right side ..........................50-0211 Latch/Catch Assembly ......................50-0285M Latch Cover ..........................21-1024 Gasket: Oven Door ..........................254-1001 Proofer Door ........................70-0358-A ® NU-VU FOOD SERVICE SYSTEMS MENOMINEE MICHIGAN 49858-0035 (800) 338-9886 Sales Fax (906) 863-5889 ♦ Service Fax (906) 863-6322 page... -
Page 58: Oven Interior Components
Side Rack/Ladder Assembly: Right Side ..........................112-9021 Left Side ..........................112-9022 * Available with MOTOR and MOUNT as Kit #250-2010 (US) or #250-2015 (non-US). ® NU-VU FOOD SERVICE SYSTEMS MENOMINEE, MICHIGAN 49858-0035 page Sales Fax (906) 863-5889 ♦ Service Fax (906) 863-6322... -
Page 59: Electrical Schematics
SUB–123 OWNER'S MANUAL ELECTRICAL SCHEMATICS NU−VU Food Service Systems NU−VU Food Service Systems ® NU-VU FOOD SERVICE SYSTEMS MENOMINEE MICHIGAN 49858-0035 (800) 338-9886 Sales Fax (906) 863-5889 ♦ Service Fax (906) 863-6322 page... - Page 60 SUB–123 OWNER'S MANUAL N U − V U F o o d S e r v ic e S y s t e m s NU−VU Food Service Systems ® NU-VU FOOD SERVICE SYSTEMS MENOMINEE, MICHIGAN 49858-0035 page Sales Fax (906) 863-5889 ♦ Service Fax (906) 863-6322...
- Page 61 ELECTRICAL SCHEMATICS NU−VU Food Service Syste N U − V U F ood S er v ic e S ys te m s ® NU-VU FOOD SERVICE SYSTEMS MENOMINEE MICHIGAN 49858-0035 (800) 338-9886 Sales Fax (906) 863-5889 ♦ Service Fax (906) 863-6322...
- Page 62 ELECTRICAL SCHEMATICS SUB–123 OWNER'S MANUAL NU−VU Food Service Systems NU−VU Food Service Systems ® NU-VU FOOD SERVICE SYSTEMS MENOMINEE, MICHIGAN 49858-0035 page Sales Fax (906) 863-5889 ♦ Service Fax (906) 863-6322 (800) 338-9886...
- Page 63 SUB–123 OWNER'S MANUAL ELECTRICAL SCHEMATICS NU−VU Food Service Systems NU−VU Food Servic e Systems ® NU-VU FOOD SERVICE SYSTEMS MENOMINEE MICHIGAN 49858-0035 (800) 338-9886 Sales Fax (906) 863-5889 ♦ Service Fax (906) 863-6322 page...
- Page 64 ELECTRICAL SCHEMATICS SUB–123 OWNER'S MANUAL NU−VU Food Service Systems NU−VU Food Service Systems ® NU-VU FOOD SERVICE SYSTEMS MENOMINEE, MICHIGAN 49858-0035 page Sales Fax (906) 863-5889 ♦ Service Fax (906) 863-6322 (800) 338-9886...
- Page 65 SUB–123 OWNER'S MANUAL ELECTRICAL SCHEMATICS NU−VU Food Service Systems NU−VU Food Service Systems ® NU-VU FOOD SERVICE SYSTEMS MENOMINEE MICHIGAN 49858-0035 (800) 338-9886 Sales Fax (906) 863-5889 ♦ Service Fax (906) 863-6322 page...
- Page 66 ELECTRICAL SCHEMATICS SUB–123 OWNER'S MANUAL NU−VU Food Service Systems NU−VU Food Service Systems ® NU-VU FOOD SERVICE SYSTEMS MENOMINEE, MICHIGAN 49858-0035 page Sales Fax (906) 863-5889 ♦ Service Fax (906) 863-6322 (800) 338-9886...