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U-Line UHNB115 User Manual

U-Line UHNB115
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USER GUIDE & SERVICE MANUAL
1 Class
UHNB115 / UHNP115
15” Nugget Ice Machine
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U-Line UHNB115 Specifications

General IconGeneral
BrandU-Line
ModelUHNB115
CategoryIce Maker
LanguageEnglish

Summary

Welcome and Product Overview

Product Information

Details where to find additional product documentation online.

Property Damage / Injury Concerns

Outlines steps to take if property damage or injury is suspected.

Contact and Support Information

General Inquiries Contact

Provides U-Line's address, phone, and email for general questions.

Service & Parts Assistance Contact

Offers contact details for service and parts inquiries.

Safety and Warning Guidelines

Safety Alert Definitions

Explains the meaning of Danger, Warning, and Caution icons used in the manual.

R600a Refrigerant Warning

Details hazards associated with the flammable R600a refrigerant.

California Proposition 65 Notice

Lists chemicals known to cause cancer and reproductive harm.

Disposal and Recycling Procedures

Child Entrapment Hazard

Warns about child entrapment risk in old appliances and prevention methods.

Environmental Operating Requirements

Indoor Installation Requirement

States the unit is intended for indoor applications only.

Ambient Temperature Guidelines

Specifies the unit's operating temperature range and effect on performance.

Electrical Installation and Safety

Electrical Shock Hazard

Warns against servicing without disconnecting power.

Grounding and Power Requirements

Details electrical grounding, polarization, and power supply specifications.

Power Cord and Extension Cord Usage

Prohibits extension cords and advises on proper cord handling.

Installation Dimensions and Site Prep

Site Preparation Guidelines

Covers clearance requirements for freestanding and built-in installations.

Cabinet Installation Restriction

Prohibits installation behind closed cabinet doors.

Cutout and Product Dimension Diagrams

Provides detailed diagrams of required cutout and unit dimensions.

Side-by-Side Installation Guide

Electrical Requirements for Side-by-Side

Specifies separate grounded receptacles for each unit.

Hinge Clearance Requirements

Details clearance needed for hinge-by-hinge and integrated models.

Water Hookup Instructions

Plumbing and Contractor Requirements

Mandates licensed plumbers and adherence to local codes for installation.

Water Quality and Treatment

Lists TDS and hardness limits, and recommends water filters.

Water Line and Pressure Specifications

Defines pressure range and the need for a shut-off valve and looped line.

Water Supply Material Warnings

Cautions against plastic lines and improper use of tape/compound.

Drainage System Requirements

Drain Pump Model Identification

Differentiates models based on factory-installed drain pumps.

Gravity Drain Setup Guidelines

Outlines conditions and steps for gravity drain installations.

Drain Line Routing and Connections

Notes on drain location, leak checks, and proper line slope.

Anti-Tip Bracket Installation

Cabinet/Counter Mount Installation

Steps for securing the unit to cabinetry or countertops.

Floor Mount Installation

Instructions for attaching brackets to the floor for freestanding units.

General Unit Installation

Leveling the Unit

Guides on checking and adjusting unit levelness using adjustable legs.

Final Installation Steps

Covers plugging in, final positioning, and interior cleaning.

Installation Tip for Uneven Floors

Advice on adjusting rear legs for proper fit in cutouts.

Grille Installation and Servicing

Grille Removal and Reinstallation

Procedures for removing and installing the front grille, including safety warnings.

Door Swing Clearance Requirements

Integrated Door Swing Clearance

Specifies wall clearance for integrated models to open 90°.

Stainless Steel Door Swing Clearance

Details wall clearance needed for stainless steel models with handles.

Door Adjustment and Reversal

Door Alignment and Sealing

Instructions for aligning doors to ensure proper sealing and cooling.

Door Reversal Procedure

Step-by-step guide for reversing the door swing direction.

Control Panel Functions

Control Function Guide Table

Lists unit functions, commands, and display options for operation.

Door Open Alert Notification

Describes the audible and visual alert for a door left open over 30 minutes.

Ice Production and Quality

Nugget Ice Description

Details the type and size of ice produced by the machine.

Ice Density Adjustment Feature

Explains the U-Choose system for adjusting ice firmness.

Airflow Management

Importance of Proper Airflow

Stresses the need for unobstructed airflow for optimal unit performance.

Cleaning and Maintenance

Exterior Cleaning Guidelines

Instructions for cleaning vinyl clad and stainless steel exteriors, including glass.

Integrated Panel Cleaning

Advice for cleaning integrated panels according to cabinet manufacturer.

Interior Cleaning Instructions

Steps for cleaning the unit's interior, with cautions on cleaners.

Nugget Ice Machine Cleaning Cycle

Explains the automatic cleaning alert and recommended cleaning intervals based on water quality.

Condenser Cleaning Procedure

Condenser Cleaning Frequency

Recommends cleaning the condenser every six months for operational efficiency.

Condenser Cleaning Safety Warning

Advises disconnecting power and avoiding cleaners on the condenser unit.

Extended Non-Use and Winterization

Preparation for Extended Shutdown

Steps for preparing the unit for long periods of non-use, including draining and ventilation.

Winterization Temperature Warning

Cautions against freezing temperatures and the use of antifreeze.

Troubleshooting Common Issues

Pre-Service Troubleshooting Steps

Guides users to check controls, sounds, and manual sections before calling service.

Service Contact Information

Provides U-Line's contact number for service assistance.

Normal Unit Operating Sounds

Describes sounds from components like compressor, evaporator, and fan.

Electrical Safety During Service

Warns about electrocution hazards and the need to disconnect power.

Electrical Wire Diagram

Product Liability and Service Claims

Field Service Technician Role

Outlines technician's duties in damage assessment and documentation.

Part Return and Labeling

Specifies requirements for returning replaced parts with identification.

Installation Issue Resolution Process

Explains how installation issues are communicated and resolved with the consumer.

Escalation for Unresolved Issues

Provides contact information for U-Line if damage source is unidentifiable.

Warranty Claim Procedures

Warranty Claim Prerequisites

Lists required information like serial/model numbers for filing claims.

Online Claim Submission

Directs users to submit warranty claims via www.U-LineService.com.

Warranty Status Update Information

Lists documents accepted for updating warranty status.

Major Component Parts List

Nugget Ice Evaporator Parts Breakdown

Ordering Replacement Parts

Online Parts Ordering

Instructions for ordering parts via the U-Line website.

Contacting Parts Support

Provides phone and web contact details for parts inquiries.

Using Genuine U-Line Parts

Emphasizes the importance of using genuine parts to maintain performance and warranty.

R-600A Refrigerant Safety

Personal Protective Equipment

Specifies gloves and eye protection as mandatory for handling R600a.

R600A Flammability and Toxicity

Warns about R600a being flammable and non-toxic.

Work Area Fire Safety

Recommends having a dry powder extinguisher and avoiding low-lying areas.

Refrigeration System Diagnosis

Compressor Specifications Data

Extended Troubleshooting Tips

Diagnostic Capabilities Overview

Highlights advanced controls and service modes for troubleshooting.

Normal Refrigeration System Sounds

Lists common sounds from components like compressor, evaporator, and fans.

Solenoid Valve Operation Sound

Mentions the clicking sound associated with solenoid valves.

Main Control and Power Troubleshooting

Main Control Board Diagnosis

Emphasizes thorough diagnosis before board replacement.

Power Fault Diagnosis Flowchart

Visual guide for troubleshooting power-on issues, including Sabbath mode check.

General Troubleshooting Guide

Table of common concerns, causes, and remedies.

Relay Outputs and Control Faults

Relay and DC Output Testing

Procedure for testing relays and DC outputs via service menu.

Compressor Overload Protection

Explains compressor deactivation and cooldown period due to overload.

Suspected Main Control Faults

Discusses configuration errors and factory default resets.

Door Switch Functionality

Describes the plunger switch's role in door state monitoring and error triggering.

Appendix: Sensor Error E11

Water Leak Detection Sensor

Explains the sensor's function and the reset procedure for water leaks.

Sensor Area Inspection

Guides on checking sensor connections and wiring for water detection errors.

Appendix: Error Codes E12, E13, P1

E12 Float Switch Reservoir Error

Details checks for float switch issues related to water level and reservoir filling.

E13 Float Switch Dropping Error

Addresses errors from insufficient ice product due to overheating or water quality.

P1 Drain Related Error

Explains drain errors, checking pump, jumper, and line restrictions.

Ice Level Issues Resolution

Discusses bin overfilling and thermistor adjustments for ice level.

Service Control Operations

User Interface Button Layout

Diagram and explanation of control panel buttons for operation and service access.

Silent Mode Functionality

Describes how to activate silent mode for temporary unit shutdown.

Showroom Mode Functionality

Explains showroom mode for display units, disabling cooling functions.

Service Mode Access and Navigation

Details how to enter and use the service mode for diagnostics.

Service Mode Diagnostic Guide

Thermistor Readings and Offsets

Lists thermistor temperature and offset values available in service mode.

Error Log Viewing and Clearing

Explains how to access and clear the unit's error log.

Individual Component Testing

Details toggling components via service menu options for functional checks.

Service Mode Functions Reference

Clearing Error Logs

Procedure for clearing logged errors from the unit's memory.

Individual Component Toggle Options

Lists options for testing relays and DC outputs by toggling them.

Model Number Display

Explains how the unit's model number is displayed in service mode.

Model List and Programming

U-Line Model Number List

Provides a comprehensive list of model numbers and their corresponding codes.

Programming Unit Model Number

Step-by-step guide to set the correct model number using the control panel.

Relay and Output Function Chart

Thermistor Performance and Maintenance

Thermistor Resistance Table

Shows resistance values of thermistors at various temperatures.

Thermistor Connection Care

Emphasizes cleaning connections and using dielectric grease for reliability.

Ice Level Thermistor Location

Notes the location of the thermistor responsible for monitoring ice level.

U-Line Limited Warranty Details

One-Year Standard Warranty

Covers parts and labor for defects, including cosmetic coverage for 60 days.

Two-Year and Extended Warranties

Details the 5 Class warranty and the option for free extensions.

Five-Year Sealed System Warranty

Covers specific sealed system components for five years.

Warranty Terms, Exclusions, and Rights

Outlines warranty applicability, limitations, and consumer legal rights.

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