U-Line UHNB315 User Manual & Service Manual Download

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USER GUIDE & SERVICE MANUAL

3 Class

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UHNB315 / UHNP315

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15” Nugget Ice Machine

Summary of Contents for UHNB315

Page 1: ...USER GUIDE SERVICE MANUAL 3 Class UHNB315 UHNP315 15 Nugget Ice Machine ...

Page 2: ...ed Panel Dimensions Integrated Panel Installation Grille Installation Door Swing Door Adjust Maintenance Cleaning Cleaning Condenser Extended Non Use Operating Instructions Ice Airflow and Product Loading Service Quick Guide Troubleshooting Wire Diagram Reference diagrams Product Liability Warranty Claims Parts Ordering Replacement Parts R600a Specifications System Diagnosis Guide Compressor Speci...

Page 3: ...elect products are available worldwide PRODUCT INFORMATION Looking for additional information on your product User Guides Spec Sheets CAD Drawings Compliance Documentation and Product Warranty information are all available for reference and download at u line com PROPERTY DAMAGE INJURY CONCERNS In the unlikely event property damage or personal injury is suspected related to a U Line product please...

Page 4: ...r or moderate personal injury property or equipment damage This unit contains R600a Isobutane which is a flammable hydrocarbon It is safe for regular use Do not use sharp objects to expedite defrosting Do not service without consulting the R600a specifications section included in the User Guide Do not damage the refrigerant circuit Service must be done by factory authorized service personnel Any p...

Page 5: ...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 Unplug the electrical cord from its socket 3 Remove the door s drawer s DANGER 5 ...

Page 6: ...emperatures 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 In climates where high humidity and dew points are present condensation may appear on outside surfaces This is considered normal The condensation will evaporate when the humidity drops...

Page 7: ...the unit Always keep your working area dry NOTICE Electrical installation must observe all state and local codes This unit requires connection to a grounded three prong polarized receptacle that has been placed by a qualified electrician The unit requires a grounded and polarized 115 VAC 60 Hz 15A power supply normal household current An individual properly grounded branch circuit or circuit break...

Page 8: ...ce of the unit with other adjacent cabinet doors you may need to alter the wall just behind the drain connection on the unit to accommodate the drain CUTOUT DIMENSIONS PRODUCT DIMENSIONS REAR FRONT TOP SIDE 1 1 38 mm 7 178 mm 15 381 mm 34 1 870 mm to 35 1 889 mm Preferred location for electrical outlet is in an adjacent cabinet 24 610 mm 5 8 16 mm 2 51 mm 4 102 mm Drain Water Line 7 191 mm 3 1 8 8...

Page 9: ...ion Guide Each door can be opened individually one at a time without interference However to ensure unobstructed door swing opening both doors at the same time 1 4 6 4 mm of space needs to be maintained between the units 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 ha...

Page 10: ...nge 1x per year Optional Large Filter Change 1x per year 401 600 TDS and or 13 20 gpg hardness Required Large Filter Change 1x per year Required Large Filter Change 2x per year 601 TDS and or 21 gpg hardness Contact your local water professional The water pressure should be between 20 and 120 psi 138 and 827 kPa The water line MUST have a shut off valve in the supply line The water line should be ...

Page 11: ...GUIDE u line com Water Hookup 3 Thread water line through back panel hole with bushing 4 Locate water valve inlet and connect to valve 5 Turn on water supply and check for leaks 6 Reinstall back panel 3 4 11 ...

Page 12: ...elow the unit Unit has a solid base that will not allow the unit to drain below itself There is a possibility that hose connections may have loosened during shipment Verify all connections and fittings are free from leaks This equipment is to be installed with adequate backflow protection to comply with applicable federal state and local codes Model numbers including CL or NB do not include a fact...

Page 13: ... installed U Line P60 drain pump If you need to install a P60 drain pump into your unit see DRAIN PUMP section in the User Manual See below for typical installations requiring a drain pump FACTORY INSTALLED DRAIN PUMP NOTICE Cold Water Hot Water Waste Waste Shut Oﬀ Valve Stand Pipe P60 Pump Required Air Gap Optional Hook Up Cold Water Hot Water Waste Shut Oﬀ Valve Disposal Assembly P60 Pump Requir...

Page 14: ...or a proper fit Also test to make sure the door opens and closes freely 3 Remove grille and place a mark on the floor at the front of the unit Also place a mark on the floor in the center of the unit 4 Remove the unit Using a square extend center line B see chart below This line serves as the back edge for the anti tip brackets From the center line measure A to the left and right This line is the ...

Page 15: ...an opening s rear height Shorten the unit height in the front by adjusting the front legs This allows the unit to be gently tipped into the opening Readjust the front legs to level the unit after it is correctly positioned in the opening INSTALLATION 1 Plug in the power electrical cord 2 Gently push the unit into position Be careful not to entangle the cord or water and drain lines if applicable 3...

Page 16: ...to ensure that all drilled holes are drilled to the correct depth in order to avoid splits in the wood when hardware is installed 1 Cut the panels to the dimensions listed in the diagram below 2 Optional Stain or finish panel to desired stain or color Be sure to closely follow the instructions provided by the manufacturer 3 Optional Install handles and hardware NOTICE When applying an integrated p...

Page 17: ... 34 1 2 876 mm to the underside of the counter to leave room for leveling adjustments A single prepared panel with insert must not weigh more than 20 lbs 10 kg Integrated Panel Preparation 1 Cut the main panel to the dimensions below For details see the drawings on the next page 2 Create the top design for the handleless feature and the 1 8 3 mm notch for the insert s indicated on the Top Detail d...

Page 18: ...ted Panel Dimensions ΏȟΚ 20 mm 28 ΏȟΗΜ 732 mm 2 Ώȟȯ 70 mm 2 Ώȟȯ 70 mm R ΑȟΞ R 16 mm ȟΞ 3 mm ȟΚ 6 mm Wooden Insert Notch Depth Ξ 3 mm 2 ΏȟΞ 60 mm ΓȟΞ 22 mm Ref Top Detail Insert Notch Top Design ȟΞ 3 mm 3 ȟΘ 89 mm 14 ΑȟΗȱ 379 mm Wooden Insert Dimensions 14 ΑȟΗȱ 379 mm 18 ...

Page 19: ...adjustments When applying an integrated panel to a unit ensure that both sides are finished in order to prevent warping In some installations the panel may be visible through the glass while the door is open EXTENDED INTEGRATED PANEL NOTICE Due to differences in surrounding cabinetry the panel may not perfectly align with door The procedure below is designed to provide a finished panel that seamle...

Page 20: ...ies 15 Sales Accessory ULAGRILLE15 Complete instructions including dimensions of the integrated grille panel are included with the accessory A minimum of 1 25 mm is required from the floor to the bottom of the extended integrated panel frame for proper ventilation BACK SURFACE MUST HAVE AMPLE FLAT SURFACE TO MOUNT OVERLAY PANEL FLAT AND WITHOUT INTERFERENCE Ώȟȯ 20 mm Integrated Panel 14 ΑȟȬȱ 379 m...

Page 21: ...bit drill 6 pilot holes into the wood panel 1 2 12 mm deep using the holes in the door frame as a guide NOTICE It is important to ensure that all drilled holes are drilled to the correct depth in order to avoid splits in the wood when hardwood is installed 8 Locate 6 of the 6x 1 1 2 38 mm screws provided with your unit 9 Using a Phillips screwdriver place one screw into each of the 6 pilot holes a...

Page 22: ...he 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 Align cabinet and grille holes and secure but do not over tighten grille screws 1 2 Reconnect power to the unit 1 2 22 ...

Page 23: ...ditional 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 Units have a zero clearance when installed adjacent to cabinets Wall Wall 90 Door Swing 90 Door Swing Space Required For any Knobs or Pulls 2 1 4 MIN 57 mm MIN Integrated Stainless 1 2 13...

Page 24: ...sen each pair of Torx head screws both the upper and lower hinge plates 3 Square and align door as necessary 4 Tighten Torx head screws on hinge 5 Reinstall gasket into the channel starting at the corner 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 door from the unit Note One hinge includes a metal spacer Spacer...

Page 25: ...e production resumes This ensures a constant supply of fresh ice is always available The factory default ice setting is 0 which produces a firm and compact ice nugget U Line s exclusive U Choose ice adjustability feature allows you five levels of adjustment from 0 to 5 At 5 the ice is soft and chewable To adjust the ice density 1 Hold for 5 seconds display will flash current ice setting 2 Adjust u...

Page 26: ... 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 26 ...

Page 27: ...s can discolor when exposed to chlorine gas pool chemicals saltwater or cleaners with bleach Keep your stainless unit looking new by cleaning with a good quality all in one stainless steel cleaner and polish monthly For best results use Claire Stainless Steel Polish and Cleaner Comparable products are acceptable Frequent cleaning will remove surface contamination that could lead to rust Some insta...

Page 28: ...iment particles and cloudiness as well as reduce chlorine and other off tastes and odors U Line recommends replacing the filter Part No ULANUGGETFILTER when you clean your machine The filter is available at u line com 1 Press and Hold for 10 seconds a 0 1 will appear in the display b Remove access shield c Remove all ice in bin d Remove any ice protruding from the ice dispenser tube 2 Insert the e...

Page 29: ...funnel slowly pour 1 5 quarts 48 oz of clean potable water into the ice dispenser tube Air and some water will exit the vent tube d Install new water filter Press and rotate 1 4 turn clockwise e Press and release 7 06 will appear in the display a Reinstall shield and close door b The machine will circulate water and perform a series of final rinses for approximately 15 minutes c The unit will resu...

Page 30: ...pending on environmental conditions more or less frequent cleaning may be necessary WARNING Disconnect electric power to the unit before cleaning the condenser WARNING DO NOT touch the condenser fins The condenser fins are SHARP and can be easily damaged NOTICE DO NOT use any type of cleaner on the condenser unit 1 Remove the grille See GRILLE PLINTH INSTALLATION 2 Clean the condenser coil using a...

Page 31: ...or must remain open to prevent formation of mold and mildew Open door a minimum of 2 50 mm to provide the necessary ventilation WINTERIZATION If the unit will be exposed to temperatures of 40 F 5 C or less the steps above must be followed In addition P60 drain pumps in clear ice machines must be drained according to the following procedure 1 Remove the drain pump from the ice machine 2 Drain the w...

Page 32: ...ut 4 Option 11 DC Output 5 Option 12 Serial output Compressor 21 Model number 22 Light All Segments 23 Activate Defrost Harvest press and hold for 3 seconds to activate defrost harvest 24 Defaults press and hold for 3 seconds to restore all values to factory defaults 25 Main Software Display only 26 Live Log Period frequency that data is output to diagnostics port 27 Factory test mode 0 Off 1 On 2...

Page 33: ...lent Mode on select models Clean Mode Hold the Clean button for 5 seconds to enter Clean mode on select models 1 Plug the unit into appropriate power source as defined on the data plate 2 Once the double dashes appear hold the hidden U Line button for 3 5 seconds 3 When 00 appears use the up and down buttons to select the appropriate model number 4 Press the light bulb button once 5 The display wi...

Page 34: ...al working components Despite this technology your model may make sounds that are unfamiliar Normal operating sounds may be more noticeable because of the unit s environment Hard surfaces such as cabinets wood vinyl or tiled floors and paneled walls have a tendency to reflect normal appliance operating noises Listed below are common refrigeration components with a brief description of the normal o...

Page 35: ... 22 1 12 White light Blue light Bin temp Door switch Pump Low water sensor Water dispenser Water shutoff Auger Main Water Water Dispens Dump Valve Resevoir Valve Cond Fan Gray Programming W I F I A n t e n n a D i a g n o s t i c s C o m p r e s s o r I n v e r t e r U s e r I n t e r f a c e 42377_A Pump if applicable 35 ...

Page 36: ...aring an anti static wrist strap that is grounded to an electrical ground or grounded water pipe Handle circuit boards carefully and avoid touching components REMOVE BASE ASSEMBLY 1 Disconnect power to the unit 2 Turn off water supply 3 In the front of the machine take out 2 Philips screws and remove front access panel 4 Remove cable tie and disconnect door switch plunger switch lead 5 Separate Co...

Page 37: ...ect waterline coming from inlet valve 9 Loosen hose clamp and disconnect ice transport tube remove hose clamp 10 Loosen hose clamp and disconnect drain tube remove hose clamp 11 Cut cable tie from wires and disconnect bin thermistor wire BIN TEMP 12 Disconnect cabinet from base a Remove 3 screws from each side of cabinet b Remove 2 1 4 screws from metal shroud 13 Pull base away from cabinet 9 8 10...

Page 38: ... Remove compression nozzle a Loosen hose clamp b Remove transport tube 6 Remove M6 socket head allen screw 7 Remove compression nozzle retainer 8 Remove compression nozzle 9 Remove main housing Disconnect vent line from T fitting 10 Remove three M6x25 socket head allen screws 11 Remove main housing 12 Remove and discard mating ring and seal 13 Carefully remove augerRemove The auger is very sharp h...

Page 39: ...Install auger 6 Install main housing a Slide main housing onto auger shaft b Install three M6x25 allen screws c Connect vent line to T fitting 7 Install compression nozzle Remove and inspect compression nozzle O ring seal replace if damaged in any way Clean O ring groove Lubricate O ring with Petrol gel and reinstall a Install compression nozzle b Install compression nozzle retainer c Install M6 s...

Page 40: ... spacer ensure that key is captured in slot 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 16 Install screw and tighten 17 Plug in gear motor BLUE to BLUE BLACK to BLACK WHITE to WHITE Connect ground wire with ground screwemove 14 15 11 12 13 40 ...

Page 41: ...ized to replace the part in question The part that caused the damage must be returned to U Line in its entirety The part must be clearly labeled with the serial number of the unit it was removed from the date and the servicer who removed the part If the service technician determines the damage is the result of installation issues water connection drain etc the consumer would be notified and the is...

Page 42: ...ting for warranty labor 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 New construction occupancy documents Closing paperwork Final billing Remodel Warranty parts will be shipped at no charge after U Line confirms warranty status Please provide the model serial...

Page 43: ...00 14 GASKET 80 55372 00 15 GRILLE ASSEMBLY 80 55373 00 16 HEAT EXCHANGER ASSEMBLY 80 55434 00 17 HINGE COVER 80 54001 00 18 HINGE ASSEMBLY 80 55374 00 19 ICE SCOOP 80 54080 00 20 LED LIGHT STRIP AND COVER 80 54000 00 21 LEG LEVELERS 4 80 54019 00 22 NUGGET ICE CLEANER ULANUGGETCLEAN 23 MAIN BOARD 80 55398 00 24 PLUNGER SWITC 80 55375 00 25 POWER CORD 80 55376 00 26 SERIAL INVERTER 80 55570 00 27 ...

Page 44: ... 9 HARDWARE KIT GEAR MOTOR 80 55371 09 10 RESERVOIR FLOAT COMPLETE ASSY 80 55371 10 11 RESERVOIR LID O RING 80 55371 11 12 FLOAT SWITCH 80 55538 00 13 14 WATER LINE 12 SEGMENT 80 54722 01 WATER SEAL KIT 80 55371 13 INSULATION KIT 80 55371 14 15 DUMP VALVE TUBE ASSY 80 55447 01 16 RESERVOIR DUMP VALVE TUBE ASSY 80 55371 20 17 ICE TRANSPORT TUBE ASSY Insulation foam pieces are sold only as a complet...

Page 45: ...provide the model serial number part number and part description Some parts will require color or voltage information If U Line requires the return of original parts we will inform you when the parts order is taken This requirement will be noted on your packing list A prepaid shipping label will be emailed to you Please enclose a copy of the parts packing list and be sure the model and serial numb...

Page 46: ...ician must observe all federal state and local laws regarding refrigerants Gloves and Eye Protection must be used R 600a is considered non toxic but is flammable when mixed with air Keep a dry powder type fire extinguisher in the work area R 600a is heavier than air do not allow any leakage migration to low areas such as basements and stairs Never use a torch on a fully charged refrigeration syste...

Page 47: ...acuum pump and recovery equipment should be at least 10 feet from the work area It is recommended that a simple LPG gas detector is on site during service Ensure that all R 600a is removed from the system prior to brazing any part of the sealed system Only a clean dry leak free system should be charged with R 600a R 600A SPECIFICATIONS LABELING R 600a equipped products are labeled both the unit an...

Page 48: ...gerant is left within the system prior to repair simple venting is not sufficient Evacuate and charge with dry nitrogen for leak checks Repair leaks or replace system parts as required When re brazing the system must be purged with dry nitrogen and at least one access point open to the atmosphere When re brazing proper ventilation is required along with constant monitoring for the presence of R600...

Page 49: ... Install a Schrader Type access port on the compressor process stub Evacuate the system to 100 microns prior to charging Weigh in the R 600a charge using a refrigerant scale run compressor an extra two minutes to clear the charging hoses Seal the Schrader Type access port a proper cap and seal must be used to close the system SUMMARY Safely handling R 600a requires proper procedures and training R...

Page 50: ...et Outlet below room temperature Lower than normal Partial Restriction Somewhat lower than normal vacuum Warm near room temperature Very hot Top passes warm Lower passes cool near room temperature due to liquid Room temperature cool or colder Extremely cold near inlet Outlet below room temperature backing up Lower than normal Complete Restriction In deep vacuum Room temperature cool Room temperatu...

Page 51: ...ch are not hot or frozen Do not touch a bare circuit board unless you are wearing an anti static wrist strap that is grounded to an electrical ground or grounded water pipe Handle circuit boards carefully and avoid touching components Compressor Specifications FMXA9C REFRIGERANT R600A VOLTAGE 230 VAC FREQUENCY 43 134 Hz START WINDING 20 Ohm at 77o F RUN WINDING 20 Ohm at 77o F RUN TO START 20 Ohm ...

Page 52: ...ditional help is required please contact the U Line Corp Customer Care Facility at 1 414 354 0300 for assistance NORMAL OPERATING SOUNDS All models incorporate rigid foam insulated cabinets to provide high thermal efficiency and maximum sound reduction for its internal working components Despite this technology your model may make sounds that are unfamiliar Normal operating sounds may be more noti...

Page 53: ...rcuit Unplug unit wait 5 seconds plug back in If main board does not beep check for 120V at black and white cables on power cord No Interior Light Light may be set to OFF Check LED strip for power Defective door switch Use component testing in service mode and test light circuit manually test door switch Condensation on exterior of unit Is unit exposed to high humidity or high ambient temps Moistu...

Page 54: ...calling for water P1 Pump circuit open Ice Level Issues See APPENDIX on following pages 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 NOTICE Frequently toggling the compressor relay could force the ...

Page 55: ... resolved Filters available at u line com are able to treat TDS up to 600 b If TDS is acceptable unit must be cleaned and any leakage addressed with a seal kit U Line service part 80 55371 13 Area in Front of Sensors Condenser Side is Wet Check connection from bin to drain No Water is Evident 1 Power cycle to reset error 2 Check sensors to ensure there is a gap between sensors and pan as shown 3 I...

Page 56: ...on b General cleaning has not been performed A single cleaning may not resolve this condition c If customer has unit connected to a water softener have them consult a plumber to disconnect from the softener d Check compressor operation If unit is not cooling or compressor is not operating diagnose and fix system problem If unit is cooling check auger for rotation If not rotating check the motor an...

Page 57: ... the display This mode can be canceled by pressing and releasing The mode will automatically be changed back to ON after three hours SHOWROOM MODE This mode is designed to show units in a display environment When in this mode the only functions will be the control and cabinet lights The compressor fans etc will not operate To enter exit this mode hold the light key and the power key for 5 seconds ...

Page 58: ...og Period frequency that data is output to diagnostics port 27 Factory test mode 0 Off 1 On 28 Compressor RPM 29 Freeze time adjust Model 54 only 30 Harvest time adjust Model 54 only 31 Low temp alarm limit Model 55 only 32 High temp alarm limit Model 55 only 1 THERMISTOR 1 BIN This shows the pure thermistor reading with no off sets taken into account 2 Does not apply to this model 3 Does not appl...

Page 59: ...roperly 23 ACTIVATE DEFROST HARVEST Press and hold for 3 seconds to activate 24 FACTORY DEFAULTS Press and hold for 3 seconds to restore all values to factory defaults 25 MAIN SOFTWARE 26 Does not apply to this model 27 FACTORY TEST MODEL 0 Off 1 On 28 COMPRESSOR RPM 29 FREEZE TIME ADJUST MODEL 54 ONLY 30 HARVEST TIME ADJUST MODEL 54 ONLY 31 LOW TEMP ALARM LIMIT MODEL 55 ONLY 32 HIGH TEMP ALARM LI...

Page 60: ...1A 38 HWC524 1A 39 HWC524 2A 40 HWC336 1A 41 HBD324 1A 42 HBD324 2A 43 HBD524 1A 44 HBD524 2A 45 HWD324 2A 46 HWD324 1A 47 HWD524 2A 48 HWD524 1A 49 HRF124 2A 50 HRF124 1A 51 HRI124 2A 52 HRI124 1A 53 Nugget 1 Class 54 Grid Ice 55 Medical Refrigerator 56 Full size 57 Nugget 3 Class PROGRAMMING THE UNIT TO CORRECT MODEL NUMBER 1 Disconnect the unit from power source 2 Push and hold the U Line butto...

Page 61: ... Light 2 Evap Fan Cond Fan 22 RE336 1A Compressor Top Left Valve Bot Right Valve Light 1 Light 2 Evap Fan Evap Fan 2 Cond Fan 23 RE515 1A Compressor Light 1 Light 2 Evap Fan Cond Fan 25 RE524 1A Compressor Light 1 Light 2 Evap Fan Cond Fan 27 RE324 1A Compressor Light 1 Light 2 Evap Fan Cond Fan 29 KR524 1A Compressor Light 1 Light 2 Evap Fan Cond Fan 32 WC315 1A Compressor Light 1 Light 2 Evap Fa...

Page 62: ...ons Dielectric grease will help to keep thermistor connections clean and dry If you change a thermistor in the unit please re apply dielectric grease to the connection If you encounter a dirty thermistor connection you should replace the thermistor and the thermistor harness This unit has one thermistor located along the right hand sidewall of the ice bin It is used to maintain the ice level in th...

Page 63: ...od or other natural disasters The product must be installed operated and maintained in accordance with your product s User Guide The remedies described above for each warranty are the only ones that U Line will provide either under these warranties or under any warranty arising by operation of law U Line will not be responsible for any consequential or incidental damages arising from the breach of...

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