U-Line UHNP315-IS02A Page 47 User Manual & Service Manual Download

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USER GUIDE

u-line.com

System Diagnosis Guide

REGRIGERATION SYSTEM DIAGNOSIS GUIDE

System

Condition

Suction

Pressure

Suction

Line

Compressor

Discharge

Condenser Capillary

Tube

Evaporator Wattage

Normal

Normal

Slightly

below room

temperature

Very hot

Warm

Cold

Normal

Overcharge

Higher than

normal

Very cold

may frost

heavily

Slightly warm

to hot

Hot to warm Cool

Cold

Higher than

normal

Undercharge

Lower than

normal

Warm-

near room

temperature

Hot

Warm

Extremely

cold near

inlet - 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

temperature

(cool)

Room

temperature

(cool)

Room

temperature

(cool)

refrigeration

Lower than

normal

No Gas

0 PSIG to 25”

Room

temperature

(cool)

Cool to hot

Room

temperature

(cool)

Room

temperature

(cool)

refrigeration

Lower than

normal

CONDENSER

Refrigeration Schematic

CAP TUBE

SUCTION LINE

EVAPORATOR

COMPRESSOR

FILTER-DRIER

Summary of Contents for UHNP315-IS02A

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

Page 2: ...ation Grille Installation Door Swing Door Adjust Maintenance Cleaning Cleaning Condenser Extended Non Use Operating Instructions First Use Control Operation Ice Airflow and Product Loading Service Qui...

Page 3: ...lect products are available worldwide PRODUCT INFORMATION Looking for additional information on your product User Guides Spec Sheets CAD Drawings Compliance Documentation and Product Warranty informat...

Page 4: ...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...

Page 5: ...n 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 re...

Page 6: ...mperatures 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 genera...

Page 7: ...he 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 be...

Page 8: ...e 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...

Page 9: ...on 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 maintaine...

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 h...

Page 11: ...UIDE 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...

Page 12: ...low 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...

Page 13: ...e 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 IN...

Page 14: ...r 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...

Page 15: ...n 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...

Page 16: ...e 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 s...

Page 17: ...itional 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...

Page 18: ...en 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 corn...

Page 19: ...ng 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 facto...

Page 20: ...nd release The oF oC symbol will flash briefly after 5 seconds Interior light and display will go dark and remain so until user resets mode unit continues to operate Disable Sabbath Mode Press and rel...

Page 21: ...Control Operations sections for details and other options For more information about BrightShield visit www u line com For more information about Vyv Antimicrobial Light Technology visit www vyv tech...

Page 22: ...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 ad...

Page 23: ...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 D...

Page 24: ...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...

Page 25: ...ment 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 availab...

Page 26: ...unnel 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...

Page 27: ...ending 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 T...

Page 28: ...r 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...

Page 29: ...t 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 pres...

Page 30: ...ent 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 doub...

Page 31: ...l 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 cabin...

Page 32: ...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...

Page 33: ...ring 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...

Page 34: ...ct 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 wire...

Page 35: ...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 Disconn...

Page 36: ...nstall 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 compressio...

Page 37: ...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...

Page 38: ...zed 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 t...

Page 39: ...ing 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...

Page 40: ...T 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 54...

Page 41: ...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 KI...

Page 42: ...ms warranty status Please 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...

Page 43: ...cian 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 t...

Page 44: ...cuum 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 sys...

Page 45: ...erant 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...

Page 46: ...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...

Page 47: ...t 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...

Page 48: ...h 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 carefu...

Page 49: ...itional 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...

Page 50: ...cuit 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 Defe...

Page 51: ...alling 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...

Page 52: ...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 F...

Page 53: ...n 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 sof...

Page 54: ...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 envir...

Page 55: ...g 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...

Page 56: ...operly 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 appl...

Page 57: ...A 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...

Page 58: ...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 Compre...

Page 59: ...ain the operating temperature within that zone Thermistor two Evaporator Located on the evaporator It is used for defrost THERMISTOR FAILURE Zone Thermistor If the zone thermistor in the unit fails th...

Page 60: ...d 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...

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