USER GUIDE & SERVICE MANUAL 1 Class ● UHNB115 / UHNP115 ● 15” Nugget Ice Machine
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USER GUIDE u-line.com WELCOME TO U-LINE Congratulations on your U-Line purchase. Your product comes from a company with over five decades of premium modular ice making, refrigeration, and wine preservation experience. U-Line continues to be the American leader, delivering versatility and flexibility for multiple applications including residential, light commercial, outdoor and marine use.
USER GUIDE u-line.com Safety and Warning ! WARNING NOTICE CALIFORNIA PROPOSITION 65 Please read all instructions before installing, This product contains chemicals known to the operating, or servicing the appliance. state of California to cause cancer and birth defects or other reproductive harm. Use this appliance for its intended purpose only and follow www.P65warnings.CA.
USER GUIDE u-line.com Disposal and Recycling ! DANGER RISK OF CHILD ENTRAPMENT. Before you throw away your old refrigerator or freezer, take off the doors and leave shelves in place so children may not easily climb inside. If the unit is being removed from service for disposal, check and obey all federal, state, and local regulations regarding the disposal and recycling of refrigeration appliances, and follow these steps completely: 1. Remove all consumable contents from the unit. 2.
USER GUIDE u-line.com Environmental Requirements This model is intended for indoor/interior applications only and is not to be used in installations that are open/ exposed to natural elements. This unit is designed to operate between 50°F (10°C) and 100°F (38°C). Higher ambient temperatures may reduce the unit’s ability to reach low temperatures and/or reduce ice production on applicable models. For best performance, keep the unit out of direct sunlight and away from heat generating equipment.
USER GUIDE u-line.com Electrical ! WARNING SHOCK HAZARD — Electrical Grounding Required. Never attempt to repair or perform maintenance on the unit until the electricity has been disconnected. Never remove the round grounding prong from the plug and never use a two-prong grounding adapter. Altering, cutting or removing power cord, removing power plug, or direct wiring can cause serious injury, fire, loss of property and/or life, and will void the warranty.
USER GUIDE u-line.com Cutout & Product Dimensions 14 15⁄16” (379 mm) PREPARE SITE Your U-Line product has been designed for either freestanding or built-in installation. When built-in, your unit does not require additional air space for top, sides, or rear. However, the front grille must NOT be obstructed, FRONT and clearance is required for an electrical connection in 28” (711 mm) 33 11⁄16” to 34 11⁄16” (855 mm to 881 mm) the rear.
USER GUIDE u-line.com Side-by-Side Installation OTHER SITE REQUIREMENTS Side-by-Side Installation Hinge-by-Hinge Installation (Mullion) When installing two units hinge-by-hinge, 13/16" (22 mm) is required for integrated models. Additional space may be needed for any knobs, pulls or handles installed. Units must operate from separate, properly grounded electrical receptacles placed according to each unit’s 13/16" (22 mm) electrical specifications requirements.
USER GUIDE u-line.com Water Hookup ! CAUTION PREPARE PLUMBING The water valve uses a standard 1/4" (6.35 mm) compression fitting. U-Line recommends using accessory water hook up kit – part # 80-54674-00. The kit includes a 10' (3 m) braided flexible water supply line and a brass Do not use any plastic water supply line. The line is under pressure at all times. Plastic may crack or rupture with age and cause damage to your home. hose fitting.
USER GUIDE u-line.com 1. Turn off water supply and disconnect electrical supply to 5. Turn on water supply and check for leaks. product prior to attempting installation. 6. Reinstall back panel. 2. Remove the back panel. 3. Thread water line through back panel hole (with bushing). 4. Locate water valve inlet and connect to valve.
USER GUIDE Drain u-line.com GRAVITY DRAIN Model numbers including “CL” or “NB” do not include a factory installed drain pump. Normal Proper Drain Model numbers including “CP” or “NP” include a factory installed drain pump. With Trap Poor Drainage, Water Will Back Up DRAIN CONNECTION ! CAUTION With Trap and Vent Proper Drain If your U-Line unit did not come with a factory installed drain pump you must use a gravity style drain connection.
USER GUIDE u-line.com FACTORY INSTALLED DRAIN PUMP Y-Branch Tailpiece P60 Pump Required If your drain line will run up to a stand pipe, disposal or Air Gap (Optional Hook-Up) spigot assembly, or does not otherwise meet the requirements for a gravity drain, you may have ordered a pre-installed U-Line P60 drain pump. Waste If you need to install a P60 drain pump into your unit, see 6KXW 2ɞ Valve DRAIN PUMP section in the User Manual.
USER GUIDE u-line.com Anti-Tip Bracket Surrounding area (Top view) Use one of the methods below to secure the unit CABINET/COUNTER ANTI-TIP INSTALLATION (For built-in applications) 1. Back of unit Slide unit out so screws on front of unit are easily accessible. B Remove the two screws from the front of the unit. A 2. Back wall A CL Front of unit 5. 515 518 524 A 7 5⁄8” 9” 11 15⁄16” B 22” 22” 22” Place the anti-tip brackets on the floor against the line drawn for the outer edge.
USER GUIDE u-line.com General Installation INSTALLATION 1. Plug in the power/electrical cord. LEVELING INFORMATION 1. Use a level to 2. Gently push the unit into position. Be careful not to confirm the unit is entangle the cord or water and drain lines, if level. Level should applicable. be placed along top edge and side edge 3. Re-check the leveling, from front to back and side to as shown. side. Make any necessary adjustments.
USER GUIDE u-line.com Grille Installation REMOVING AND INSTALLING GRILLE ! WARNING Disconnect electric power to the unit before removing the grille. When using the unit, the grille must be installed. ! WARNING DO NOT touch the condenser fins. The condenser fins are SHARP and can be easily damaged. Removing the grille 1. Disconnect power to the unit. 2. Loosen the two screws (1). 3. Remove grille (2) from unit. Installing the grille 1.
USER GUIDE u-line.com Door Swing Wall For Integrated models that are installed adjacent to a wall, 1/2" (13 mm) 1/2" (13 mm) clearance is recommended from wall on hinge side to allow the door to open 90°. Allow for additional space for any knobs or pulls installed on the integrated panel/frame. Stainless Steel models that are installed adjacent to a wall require 2-1/4" (57 mm) door clearance on hinge side to allow for door handle.
USER GUIDE Door Adjustments DOOR ALIGNMENT AND ADJUSTMENT Align and adjust the door if it is not level or not sealing u-line.com REVERSING THE DOOR 1. Open door. 2. Using T-25 Torx bit loosen screw #1 and remove screw #2 on top and bottom hinge. Slide and remove the properly. If the door is not sealed, the unit may not cool door from the unit. properly, or excessive frost or condensation may form in the interior.
USER GUIDE u-line.com First Use Initial startup requires no adjustments. See CONTROL OPERATION section for more details. NOTICE U-Line recommends discarding the ice produced during the first two to three hours of operation to avoid possible dirt or scale that may dislodge from the water line. When plugged in, the unit will begin operating under the factory default settings. If the unit was turned off during installation, simply press and the unit will immediately switch on.
USER GUIDE u-line.com Control Operation CONTROL FUNCTION GUIDE FUNCTION COMMAND NOTES ON/OFF Press and release Unit will immediately turn ON or OFF. Press and hold for 5 seconds and Enable Sabbath Mode The oF / oC symbol will flash briefly after 5 seconds. Interior light and display will go dark and remain so release. until user resets mode - unit continues to operate. Disable Sabbath Mode Press and release.
USER GUIDE u-line.com Ice The Nugget Ice Machine produces cylindrical bits of compressed ice approximately 3/4” x 1/2”. Ice is produced until the machine senses the bin is full. As ice slowly melts in the bin, the level of ice drops and ice production resumes. This ensures a constant supply of fresh ice is always available.
USER GUIDE u-line.com Airflow and Product Loading NOTICE The unit requires proper airflow to perform at its highest efficiency. Do not block the front grille at any time, or the unit will not perform as expected. Do not install the unit behind a door.
USER GUIDE u-line.com Cleaning Using abrasive pads such as ScotchBrite™ will EXTERIOR CLEANING become blurred. cause the graining in the stainless steel to Vinyl Clad (Black or White) Models Clean surfaces with a mild detergent and warm water Rust not cleaned up promptly can penetrate the solution. Do not use solvent-based or abrasive cleaners. surface of the stainless steel and complete Use a soft sponge and rinse with clean water. Wipe with a removal of the rust may not be possible.
USER GUIDE u-line.com Under normal conditions cleaning should be done when the display shows CL. You may initiate a cleaning cycle at any time by pressing and holding the clean button for 10 seconds. Cl Cleaning Process (approximate time: 40 minutes) 01 will appear in the display indicating the start of the cleaning process. You may override 1. Press and Hold CL in the display without cleaning by a. pressing and holding the up, down, & light button for 10 c. Remove all ice in bin d.
USER GUIDE 4. u-line.com 04 will appear in the display a. The machine will circulate the solution, cleaning and sanitizing the internal components, for approximately 20 minutes b. While the machine is circulating the cleaning solution, use the remaining cleaning solution and a sponge to wipe down the inside of the ice bin and scoop. Rinse thoroughly with clean water 5. When 05 appears in the display, 3 soft tones will sound, indicating the cleaning phase is complete a.
USER GUIDE u-line.com Cleaning Condenser INTERVAL - EVERY SIX MONTHS To maintain operational efficiency, keep the front grille free of dust and lint, and clean the condenser when necessary. Depending on environmental conditions, more or less frequent cleaning may be necessary. ! WARNING Disconnect electric power to the unit before cleaning the condenser. NOTICE DO NOT use any type of cleaner on the condenser unit. Condenser may be cleaned using a vacuum, soft brush, or compressed air. 1.
USER GUIDE u-line.com Extended Non-Use VACATION/HOLIDAY, PROLONGED SHUTDOWN For questions regarding winterization, please The following steps are recommended for periods of call U-Line at 800.779.2547. extended non-use: ! CAUTION 1. Remove all consumable content from the unit. 2. Disconnect the power cord from its outlet/socket and leave it disconnected until the unit is returned to service. Damage caused by freezing temperatures is not covered by the warranty. Do not put anti-freeze in your unit.
USER GUIDE Quick Guide SERVICE MENU u-line.com 21. Model number 22. Light All Segments 23. Activate Defrost/Harvest- press and hold for 3 0. Exit 1. Thermistor 1 temperature not including offsets. 2. Thermistor 2 temperature not including offsets. 3. Thermistor 3 temperature not including offsets. 4. Thermistor 4 temperature not including offsets. 5. Thermistor 1 offset. (+/- 10) 6. Thermistor 2 offset. (+/- 10) 7. Thermistor 3 offset. (+/- 10) 8. Thermistor 4 offset. (+/- 10) 9.
USER GUIDE u-line.com GENERAL BOARD FUNCTIONS ON/OFF Light Change F/C Showroom Mode Press power button and unit will turn on or off. Hold the Down key and Light key. Adjust between settings 0, 1, or 2. Tap Light key to save. Hold Up and Down buttons for 5 seconds. Hold Light and Power buttons for 5 seconds to enter. Unplug to exit. The degree symbol will flash while in Showroom mode. Sabbath Mode Hold Light button for 5 seconds to enter. Tap Light button to exit.
USER GUIDE u-line.com Troubleshooting • Evaporator: Refrigerant flowing through an evaporator may sound like boiling liquid. BEFORE CALLING FOR SERVICE • Condenser Fan: Air moving through a condenser may be heard. • Running Water: As your unit continues to produce ice you will hear water flowing into the collection chambers and running through the evaporator. If you think your U-Line product is malfunctioning, read the CONTROL OPERATION section to clearly understand the function of the control.
Pump Door switch Water shutoff Water dispenser Low water sensor Bin temp White light IF 11 22 12 IA nt en W 1 sti cs D iag no Programming Wire Diagram Us e Open Yellow Blue Purple Black/Yellow Open Open Black Open White fac e rI nt er 42378_A M Auger Compressor Resevoir Valve Dump Valve Pump (if applicable) P Cond. Fan White Black 115 V USER GUIDE u-line.
USER GUIDE u-line.com Reference Diagrams 6. Remove M6 socket head allen screw 7. Remove compression nozzle retainer DISASSEMBLE EVAPORATOR MODULE 8. Remove compression nozzle 6 Remove Gear Motor and Auger 1. Unplug the gear motor (three connectors) 2. Remove ground screw connection. 7 8 3. 9. Remove main housing • Disconnect vent line from T fitting Remove gear motor 9 a. Remove M6 allen screw, retainer, spacer and key b. Remove two M6x90 allen screws c. Pull gear motor from auger d.
USER GUIDE u-line.com Reference Diagrams Evaporator 1. Remove and inspect main housing O-ring seal. Replace if damaged in any way 2. 7. Install compression nozzle • Remove and inspect compression nozzle O-ring seal replace if damaged in any way • and reinstall. Clean O-ring groove. Lubricate O-ring with Petrol-gel a. Install compression nozzle and reinstall. 3. b. Install compression nozzle retainer Use cardboard disc to press new mating ring into main c.
USER GUIDE u-line.com 11. Use screwdriver to orient auger shaft to align with 16. Install screw and tighten motor shaft keyway 12. Install key into keyway 12 11 17. Plug in gear motor 13. Install spacer, ensure that key is captured in slot • BLUE to BLUE • BLACK to BLACK • WHITE to WHITE • Connect ground wire with ground screwemove 13 14. Insert screwdriver into groove of auger shaft and pry shaft outwards 15. Insert retainer into groove, ensure that retainer is aligned with hole in spacer.
USER GUIDE u-line.com Product Liability Field service technicians are authorized to make an initial assessment in the event of reported damages. If there are any questions about the process involved, the technician should call U-Line for further explanation. While inspecting for defects or installation issues, photos should be taken to document any damages or issues found.
USER GUIDE Warranty Claims The following information defines the parameters for filing a warranty claim: Units must be registered prior to warranty submittal. Customers may register at www.U-Line.com. A proof of purchase is required. We also accept the following information to update warranty: • Valid serial number needed • Valid model number needed • Claims must be submitted online at www.U-LineService.com • u-line.
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USER GUIDE u-line.com Ordering Replacement Parts Parts may be ordered online at www.U-Line.com See our contact information below: www.U-LineService.com (with service login) Phone Number: +1.800.779.2547 NOTICE Use only genuine U-Line replacement parts. The use of non-U-Line parts can reduce speed of ice production, cause water to overflow from ice maker mold, damage the unit, and void the warranty. Warranty parts will be shipped at no charge after U-Line confirms warranty status.
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USER GUIDE USER u-line.com u-line.com SAFETY • INSTALLATION & INTEGRATION • OPERATING INSTRUCTIONS • MAINTENANCE • SERVICE Compressor Specifications ! DANGER OVERLOAD PROTECTOR Electrocution can cause death or serious injury. Burns from hot or cold surfaces can cause serious injury. Take precautions when servicing R S C this unit. STARTING RELAY Disconnect the power source. RELAY COVER ULIN_0576_AW Do not stand in standing water when working around electrical appliances.
USER GUIDE u-line.com Troubleshooting - Extended Listed below are common refrigeration components with a SPECIFIC ERRORS AND ISSUES Your product may not contain all the components listed. The advanced diagnostic capabilities of the electronic controls utilized on the 1, 3, and 5 Class units allow for brief description of the normal sounds they make. NOTE: • sound that may be heard when it operates. easy and thorough troubleshooting.
USER GUIDE u-line.com MAIN CONTROL Check Voltage At Wall Outlet The main control board is very robust and is rarely the cause of system issues. It is important to fully diagnose No Voltage Alert Customer Of Power Failure No Voltage Replace Power Cord No Continuity Replace Fuse Voltage the board for any suspected failures before attempting to remove the board for replacement or service.
USER GUIDE Relay & DC Outputs One of the primary functions of the main control is to operate the multiple relay and DC outputs during each cycle. Verify proper operation of these relays using the following procedure. 1. Enter “Relay Toggle” through the service menu. u-line.com PLUNGER SWITCH A plunger switch is used to monitor door state. When the door is closed it comes into contact with the plunger which closes a circuit which turns the light and display off.
USER GUIDE u-line.com Control Operation-Service CONTROL FUNCTION GUIDE UI BUTTON LAYOUT 1 1. 2 3 4 5 6 Hidden Button -Access Service Menu -No LED directly above. All LEDs turn on with button 2.
USER GUIDE u-line.com SERVICE MODE GUIDE SERVICE MODE GUIDE 0. Exit 1. Thermistor 1 temperature not including offsets. 2. Thermistor 2 temperature not including offsets. 3. Thermistor 3 temperature not including offsets. 4. Thermistor 4 temperature not including offsets. 5. Thermistor 1 offset. (+/- 10) 6. Thermistor 2 offset. (+/- 10) 7. Thermistor 3 offset. (+/- 10) 8. Thermistor 4 offset. (+/- 10) 9. Thermistor 2 set point 10. Thermistor 3 set point. 11. Thermistor 4 set point. 12.
USER GUIDE u-line.com 15. CLEAR ERROR LOG To clear errors, press and hold (5 seconds) when CLR is flashing. 16. THERMISTOR - 1 DIFFERENTIAL This number should not be adjusted 17. Does not apply to this model 18. Does not apply to this model 19. Does not apply to this model 20.
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USER GUIDE Thermistor u-line.com Thermistor Resistance Data Thermistors are used for various temperature readings. Thermistors provide reliable temperature readings using a resistance which varies based on surrounding temperatures. If a faulty thermistor is suspected, it may be tested using an accurate ohmmeter. Thermistor connections must be kept clean.
U-Line Corporation (U-Line) Limited Warranty One Year Limited Warranty For one year from the date of original purchase, this U-Line product warranty covers all parts and labor to repair or replace any part of the product that proves to be defective in materials or workmanship. For products installed and used for normal residential use, material cosmetic defects are included in this warranty, with coverage limited to 60 days from the date of original purchase.
