U-Line User Guide & Service Manual

Model: U-29RB-15A

Intro

Welcome to U-Line!

Congratulations on your U-Line purchase! Your product comes from a company with decades of premium modular ice making, refrigeration, and wine preservation experience. U-Line creates products focused on functionality, style, and inspired innovations -- paying close attention to even the smallest details. Applications include residential, outdoor, ADA height compliant, marine, and commercial. Product categories include Beverage Centers, Wine Refrigerators, Ice Machines, Refrigerators, Freezers, and Dispensers. Our advanced refrigeration systems, large and flexible capacities, and clean integrated look are what makes our products Built-In to Stand Out®. Since 2014, U-Line has been part of the Middleby family of brands. Products are designed, engineered, and assembled in Milwaukee, Wisconsin, USA, and select products are available worldwide.

U-Line -- RIGHT PRODUCT. RIGHT PLACE. RIGHT TEMPERATURE.®

PRODUCT INFORMATION

Looking for additional information on your product? User Guides, Spec Sheets, CAD Drawings, and Product Warranty information are available digitally on 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 take the following steps:

  1. U-Line Customer Care must be contacted immediately at +1.414.354.0300.
  2. Service or repairs performed on the unit without prior written approval from U-Line is not permitted. If the unit has been altered or repaired in the field without prior written approval from U-Line, claims will not be eligible.

GENERAL INQUIRIES

U-Line Corporation
8900 N. 55th Street
Milwaukee, Wisconsin 53223 USA
Monday - Friday 8:00 am to 4:30 pm CST
T: +1.414.354.0300
Email: sales@u-line.com
u-line.com

CONNECT WITH US

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SERVICE & PARTS ASSISTANCE

Monday - Friday 8:00 am to 4:30 pm CST
T: +1.414.354.0300
Service Email: onlineservice@u-line.com
Parts Email: onlineparts@u-line.com

Designed, engineered and assembled in WI, USA

Safety

Safety and Warning

NOTICE
Please read all instructions before installing, operating, or servicing the appliance.
Use this appliance for its intended purpose only and follow these general precautions with those listed throughout this guide:

SAFETY ALERT DEFINITIONS

Throughout this guide are safety items labeled with a Danger, Warning, or Caution based on the risk type:

  • DANGER: Danger means that failure to follow this safety statement will result in severe personal injury or death.
  • WARNING: Warning means that failure to follow this safety statement could result in serious personal injury or death.
  • CAUTION: Caution means that failure to follow this safety statement may result in minor or moderate personal injury, property, or equipment damage.

⚠️ DANGER
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.

❗ WARNING
Service must be done by factory authorized service personnel. Any parts shall be replaced with like components. Failure to comply could increase the risk of possible ignition due to incorrect parts or improper service.

CALIFORNIA PROPOSITION 65
This product contains chemicals known to the state of California to cause cancer and birth defects or other reproductive harm.
www.P65warnings.CA.gov

⚠️ CAUTION
This equipment is to be installed with adequate backflow protection to comply with applicable federal, state and local codes.

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. Unplug the electrical cord from its socket.
  3. Remove the door(s)/drawer(s).

Installation

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.

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.

⚠️ CAUTION
Damages caused by ambient temperatures of 40°F (4°C) or below are not covered by the warranty.

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.

Never use an extension cord to connect power to 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 breaker is recommended. A GFCI (ground fault circuit interrupter) is usually not required for fixed location appliances and is not recommended for your unit because it could be prone to nuisance tripping. However, be sure to consult your local codes.

See CUTOUT DIMENSIONS for recommended receptacle location.

Cutout & Product Dimensions

PREPARE SITE

Your U-Line product has been designed for either free-standing 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, and clearance is required for an electrical connection in the rear.

⚠️ CAUTION
Unit can NOT be installed behind a closed cabinet door.

If you cannot build in 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

FRONT
Height: 28 1/2" (529mm)
Width: 20 13/16" (529mm)

TOP
Width: 17 3/4" (451mm)
Depth: 20 7/16" (519mm)

Typical Counter Height: 34-1/4" (870 mm) to 35-1/8" (892 mm)
Cutout Height: 28-5/8" (727 mm) to 28-7/8" (733 mm)

Filler Panel (Not Provided by U-Line): May Be Added Above or Below Unit to Enclose for a Built-In Look

See Electrical Specifications for Power Supply

Preferred location for electrical outlet is in adjacent cabinet.

Minimum Clearance for Electrical Connection in Rear: 24" (610 mm)

Unit Depth: 4 5/8" (117mm)

Unit Width: 20 1/2" (521mm)

Cutout Width: 22 15/16" (583mm)

Cutout Depth: 23 11/16" (602mm)

PRODUCT DIMENSIONS

REAR
Width: 20 3/4" (527mm)
Depth: 15 7/16" (392mm)

SIDE
Width: 20 3/4" (527mm)
Depth: 22 3/8" (568mm)

Door Shelving Depth: 3/4" (19mm)

Bottom Clearance: 3 3/4" (95mm)

Rear Clearance: 1 1/2" (38mm) to 2" (51mm)

Bottom Kickplate Height: 3 5/16" (84mm)

Bottom Clearance: 3/4" (19mm)

NOTICE
It is extremely important that this unit sits on a level surface, as it does not have feet levelers. If it is not level, the ice mold will not fill evenly.

Side-by-Side Installation

Two units may be installed side-by-side.

Cutout width for a side-by-side installation is the cutout dimension of a single unit times two.

No trim kit is required. However, 1/4" (6 mm) of space needs to be maintained between the units to ensure unobstructed door swing.

Units must operate from separate, properly grounded electrical receptacles placed according to each unit's electrical specifications requirements.

Side-by-Side Installation with Bracket
  1. Slide both units out so screws on top of units are easily accessible.
  2. Remove screws as shown below.
  3. Place bracket over holes and attach to unit with two screws removed in step 2 using a T-25 Torx driver. Tighten screws fully.
  4. Gently push units into position. Be careful not to entangle the electrical cord or water line, if applicable.
  5. Re-check the leveling, from front to back and side to side. Make any necessary adjustments. The unit's top surface should be approximately 1/8" (3 mm) below the countertop.

General Installation

LEVELING INFORMATION
  1. Use a level to confirm the unit is level. Level should be placed along top edge and side edge as shown.
  2. If the unit is not level, add shims to the corners of the unit as necessary.
  3. Confirm the unit is level after each adjustment and repeat the previous steps as needed.
INSTALLATION TIP

If the room floor is higher than the floor in the cutout opening, adjust the rear to achieve a total unit rear height of 1/8" (3 mm) less than opening's front height. Shorten the unit height in the front by adjusting the front shims. This allows the unit to be gently tipped into the opening. Readjust the front 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. Re-check the leveling, from front to back and side to side. Make any necessary adjustments. The unit's top surface should be approximately 1/8" (3 mm) below the countertop.
  4. Install the anti-tip bracket.
  5. Remove interior packing material and wipe out the inside of the unit with a clean, water-dampened cloth.
INSTALL DOOR HANDLE

In the literature package inside the unit, there is a handle that was specially designed for this door.

  1. On the upper side of the door, opposite to the hinges, there are 2 screws. Remove them.
  2. Line up handle to holes.
  3. Use the 2 screws to install handle.

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. Remove control knob (4).
  3. Loosen the two screws (1).
  4. Remove grille (2) and grille cap (3) from unit.
Installing the grille
  1. Make sure grille cap (3) is behind grille in slots provided in grille before attaching grille to unit.
  2. Align cabinet and grille holes and secure, but do not over tighten grille screws (1).
  3. Install control knob (4) if equipped.
  4. Reconnect power to the unit.

Diagram Description: The diagram shows the front grille assembly with numbered parts: (1) screws, (2) grille, (3) grille cap, (4) control knob.

Door Swing

Diagram Description: The diagram illustrates the door swing clearance. It shows a wall and the appliance door opening 90 degrees. The minimum clearance required from the wall for the door to swing is indicated as 2-1/8" (54 mm).

Units have a zero clearance for the door to open 90°, when installed adjacent to cabinets.

Stainless Steel models require 2-1/8" (54 mm) door clearance to accommodate the handle if installed next to a wall.

Door Adjustments

DOOR ALIGNMENT AND ADJUSTMENT

Align and adjust the door if it is not level or is not sealing properly. If the door is not sealed, the unit may not cool properly, or excessive frost may form in the interior.

NOTICE
Properly aligned, the door's gasket should be firmly in contact with the cabinet all the way around the door (no gaps). Carefully examine the door's gasket to ensure that it is firmly in contact with the cabinet. Also make sure the door gasket is not pinched on the hinge side of the door.

To align and adjust the door:
  1. Loosen (do not remove) top and bottom hinge screws using a Philips screwdriver on the top and a 1/4" socket on the bottom.
  2. Align door squarely with cabinet.
  3. Make sure gasket is firmly in contact with cabinet all the way around the door (no gaps).
  4. Tighten bottom hinge screws.
  5. Tighten top hinge screws.
REVERSING THE DOOR

Location of the unit may make it desirable to mount the door on the opposite side of the cabinet. The hinge hardware will be removed and reinstalled on the opposite side of the cabinet.

TO REVERSE THE DOOR
Remove arrow clips:
  1. With a puddy knife or other flat tool, gently pry each arrow clip from hinge mounting holes.
  2. Set aside arrow clips to be reused on the opposite side.
Remove top hinge and door:
  1. Hold door to keep it from falling.
  2. Remove top hinge from cabinet using a Philips screwdriver to remove three screws.
  3. Remove door by tilting forward and lifting door off bottom hinge. Retain shoulder washers; they will be reused.
  4. Use a Philips screwdriver to remove pivot screw and reinstall on the opposite surface of the hinge.

Diagram Description: The diagram shows the top hinge assembly with labels "Top Hinge Left Side", "Top Hinge Right Side", "Pivot Screw", and shows the hinge hardware with arrow clips.

Remove grille:

Remove the grille (see GRILLE INSTALLATION section of this guide).

Install arrow clips in holes.
Remove bottom hinge:
  1. Remove bottom hinge from cabinet using a 1/4" socket.
  2. Remove corresponding screws on opposite side of cabinet. On some models there may be a nut behind one or both screws on either side.
Install bottom hinge:

Install two or three screws, depending on model. Replace nuts if used.

Install top hinge and door:
  1. Rotate door 180° and lift the door on to the bottom hinge.
  2. Install hinge that was used on the opposite side of the unit.
  3. Align edge of the hinge with the outer edge of the unit while inserting hinge pin into top of door.
  4. Tighten three screws.
Align and adjust the door:

Align and adjust the door (see DOOR ALIGNMENT AND ADJUSTMENT)

Install grille

Maintenance

Cleaning

EXTERIOR CLEANING
Vinyl Clad (Black or White)

Clean surfaces with a mild detergent and warm water solution. Do not use solvent-based or abrasive cleaners. Use a soft sponge and rinse with clean water. Wipe with a soft, clean towel to prevent water spotting.

Clean any glass surfaces with a non-chlorine glass cleaner.

Stainless Models

Stainless door panels, handles and frames 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 installations may require cleaning weekly.

Do not clean with steel wool pads.

Do not use stainless steel cleaners polishes on any glass surfaces.

Clean any glass surfaces with a non-chlorine glass cleaner.

Do not use cleaners not specifically intended for stainless steel on stainless surfaces (this includes glass, tile and counter cleaners).

If any surface discoloring or rusting appears, clean it quickly with Bon-Ami® or Barkeepers Friend Cleanser® and a nonabrasive cloth. Always clean with the grain. Always finish with Claire® Stainless Steel Polish and Cleaner or comparable product to prevent further problems.

Using abrasive pads such as Scotchbrite™ will cause the graining in the stainless steel to become blurred.

Rust not cleaned up promptly can penetrate the surface of the stainless steel and complete removal of the rust may not be possible.

Integrated Models

To clean integrated panels, use household cleaner per the cabinet manufacturer's recommendation.

INTERIOR CLEANING

Disconnect power to the unit.

Clean the interior and all removed components using a mild nonabrasive detergent and warm water solution applied with a soft sponge or non-abrasive cloth.

Rinse the interior using a soft sponge and clean water.

Do not use any solvent-based or abrasive cleaners. These types of cleaners may transfer taste to the interior products and damage or discolor the interior.

DEFROSTING

Under normal conditions this unit does not require manual defrosting. Minor frost on the rear wall or visible through the evaporator plate vents is normal and will melt during each off cycle.

If there is excessive build-up of 1/4" (6 mm) or more, manually defrost the unit.

Ensure the door is closing and sealing properly.

High ambient temperature and excessive humidity can also produce frost.

⚠️ CAUTION
DO NOT use an ice pick or other sharp instrument to help speed up defrosting. These instruments can puncture the inner lining or damage the cooling unit. DO NOT use any type of heater to defrost. Using a heater to speed up defrosting can cause personal injury and damage to the inner lining.

NOTICE
The drain pan was not designed to capture the water created when manually defrosting. To prevent water from overflowing the drain pan, place towels or other absorbent materials over the interior drain trough (under the evaporator) before defrosting.

To defrost:
  1. Disconnect power to the unit.
  2. Remove all products from the interior.
  3. Prop the door in an open position (2 in. [50 mm] minimum).
  4. Allow the frost to melt naturally.
  5. After the frost melts completely clean the interior and all removed components. (See INTERIOR CLEANING).
  6. When the interior is dry, reconnect power and turn unit on.

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.

❗ 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 using a soft brush with a "combing" action or vacuum cleaner. Do not touch the condenser coil.
  3. Install the grille.

Diagram Description: The diagram shows a cross-section of the appliance's rear, highlighting the condenser coil.

Extended Non-Use

VACATION/HOLIDAY, PROLONGED SHUTDOWN

The following steps are recommended for periods of extended non-use:

  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.
  3. If any ice is visible inside the unit, allow ice to thaw naturally.
  4. Clean and dry the interior of the unit. Ensure all water has been removed from the unit.
  5. Clean the system. (See CLEANING)
  6. The door 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.

For questions regarding winterization, please call U-Line at 414.354.0300.

⚠️ CAUTION
Damage caused by freezing temperatures is not covered by the warranty.

Operating Instructions

First Use

All U-Line controls are preset at the factory. Initial startup requires no adjustments.

NOTICE
U-Line recommends allowing the unit to run overnight before loading with product.

U-Line recommends discarding the ice produced during the first two or three hours of operation to avoid possible dirt or scale that may dislodge from the water line.

To turn the unit on or off:

Press the rocker switch located below the temperature control dial in the center of the grille.

CONTROL DIAL

The control dial sets a single continuous temperature. This set point temperature is a base setting used by the controller to maintain the temperature zone in the unit. The factory default MID setting, number 3 or 4 set point, is approximately 38°F (3°C). The set point temperature is a gauge for further temperature adjustments.

Airflow and Product Loading

AIRFLOW
External
  • Do not block the front grille - no additional clearance around sides, top or rear of unit is needed for ventilation
  • Do not install behind a closed door
Internal
  • When loading, leave space between internal fans, vents, and side walls to allow air to circulate freely

NOTICE
Restricting airflow may result in poor product performance, product failure, and uneven internal temperatures and may freeze contents.

PRODUCT LOADING

Bottles and cans come in many shapes and sizes. Not all bottles and cans will fit on every shelf and wine rack. Larger diameter champagne and Magnum bottles only fit on wine racks when noted on the product specifications. When determining capacities U-Line uses typical 12 oz. cans, 12 oz. bottles, 750 mL white wine and red wine bottles shown below.

Diagram Description: The diagram illustrates various bottle and can sizes with their corresponding dimensions:

  • Typical Can (12 oz): Height 4 27/32" (123 mm), Diameter 2 19/32" (66 mm)
  • Typical Bottle (12 oz): Height 5 5/16" (135 mm), Diameter 2 7/16" (64mm)
  • Typical White Wine Bottle (750 mL): Height 11 3/4" (298 mm), Diameter 3 1/4" (82 mm)
  • Typical Red Wine Bottle (750 mL): Height 11 1/4" (184 mm), Diameter 3" (76 mm)
  • Typical Champagne Bottle (750 mL): Height 11 3/4" (299 mm), Diameter 3 11/16" (94 mm)
  • Magnum Bottle (1.5 L): Height 13 3/8" (334 mm), Diameter 3 27/32" (98 mm)

Service

Interior Shelves

REMOVING AND INSTALLING INTERIOR SHELVES

NOTICE
Make sure the shelves are inserted fully into the unit.

The edge strip toward the rear prevents cans and bottles from freezing against the cold evaporator.

Diagram Description: The diagram shows a hand pulling out a shelf (1), tilting the right edge (2), and removing it (3). It illustrates the process of removing shelves from recessed supports.

For models equipped with glass shelves having recessed shelf supports, remove the shelves as follows:

  1. Pull shelf out about 6" (1), until back of shelf clears the "hump" on the right-hand side.
  2. Tilt up right-hand edge of shelf (2).
  3. Remove shelf from unit by pulling out (3).
Insert the shelves as follows:
  1. To move to a different position in the unit, insert shelf at an angle, approximately 15-20°, over the rib in the side of the unit where you want to place the shelf. Place the shelf into the unit at an angle to clear the door.
  2. Continue to slide the shelf into the unit at an angle until it clears the door.

Lower the shelf and push it in completely. Ensure the raised edge strip is toward the rear of the unit.

Troubleshooting

BEFORE CALLING FOR SERVICE

If you think your U-Line product is malfunctioning, read the CONTROL OPERATION section to clearly understand the function of the control.

If the problem persists, read the NORMAL OPERATING SOUNDS and TROUBLESHOOTING GUIDE sections below to help you quickly identify common problems and possible causes and remedies. Most often, this will resolve the problem without the need to call for service.

IF SERVICE IS REQUIRED

If you do not understand a troubleshooting remedy, or your product needs service, contact U-Line Corporation directly at +1.414.354.0300.

When you call, you will need your product Model and Serial Numbers. This information appears on the Model and Serial number plate located on the upper right or rear wall of the interior of your product.

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 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 operating sounds they make. NOTE: Your product may not contain all the components listed.

  • Compressor: The compressor makes a hum or pulsing sound that may be heard when it operates.
  • Evaporator: Refrigerant flowing through an evaporator may sound like boiling liquid.
  • Condenser Fan: Air moving through a condenser may be heard.
  • Automatic Defrost Drain Pan: Water may be heard dripping or running into the drain pan when the unit is in the defrost cycle.
TROUBLESHOOTING GUIDE

⚠️ DANGER
ELECTROCUTION HAZARD. Never attempt to repair or perform maintenance on the unit before disconnecting the main electrical power.

ProblemPossible Cause and Remedy
Interior Light Does Not IlluminateIf the unit is cooling, it may be in Sabbath mode.
Light Remains on When Door Is Closed.Turn off light switch if equipped.
Adjust light actuator bracket on bottom of door.
Unit Develops Frost on Internal Surfaces.Ensure the door is closing and sealing properly.
Unit Develops Condensation on External Surfaces.The unit is exposed to excessive humidity. Moisture will dissipate as humidity levels decrease.
Product is Not Cold EnoughAir temperature does not indicate product temperature. See CHECKING PRODUCT TEMPERATURE below.
Adjust the temperature to a cooler set point.
Ensure unit is not located in excessive ambient temperatures or in direct sunlight.
Ensure the door is closing and sealing properly.
Ensure the interior light has not remained on too long.
Ensure nothing is blocking the front grille, found at the bottom of the unit.
Ensure the condenser coil is clean and free of any dirt or lint build-up.

CHECKING PRODUCT TEMPERATURE

To check the actual product temperature in the unit:
  1. Partially fill a plastic (nonbreakable) bottle with water.
  2. Insert an accurate thermometer.
  3. Tighten the bottle cap securely.
  4. Place the bottle in the desired area for 24 hours.
  5. Avoid opening the unit during the testing period.
  6. After 24 hours, check the temperature of the water. If required, adjust the temperature control in a small increment (see CONTROL OPERATION).
Causes which affect the internal temperatures of the cabinet include:
  • Temperature setting.
  • Ambient temperature where installed.
  • Installation in direct sunlight or near a heat source.
  • The number of door openings and the time the door is open.
  • The time the internal light is illuminated. (This mainly affects product on the top rack or shelf.)
  • Obstruction of front grille or condenser.

Wire Diagram

Diagram Description: The wiring diagram shows the electrical connections for the appliance. Key components include: CONTROL, FAN, COMPRESSOR, OVERLOAD PROTECTOR, STARTING RELAY, CAPACITOR, and PLUG (115 VOLT). Lines indicate connections between these components, with labels for HOT, NEUTRAL, and GROUND. The diagram also references "SEE COMPRESSOR DIAGRAMS" and shows connections for BLACK (HOT), WHITE (NEUTRAL), and GREEN or GREEN W/YELLOW (GROUND) wires from the power plug to the unit's internal components.

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.

During the assessment, if the service technician is able to find the source of the damage and it can be resolved by replacement of a part, the servicer is authorized 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 issues shall be resolved at the direction of the consumer.

If damage is evident and the service technician is unable to find the source, U-Line must be contacted at +1.414.354.0300 for further direction.

8900 N. 55th Street • Milwaukee, WI 53223
T: +1.414.354.0300 • F: +1.414.354.5696
Website: www.u-line.com

Right product. Right place.
Right temperature Since 1962.

Warranty Claims

The following information defines the parameters for filing a warranty claim:

  • Valid serial number needed
  • Valid model number needed
  • Claims must be submitted online at www.U-LineService.com
  • 60 day submittal deadline from date of completed service
  • Only one repair or unit per warranty claim
  • Part order numbers will be required when submitting 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 number, part number and part description. Some parts will require color or voltage information.

Serial Number Format Example:
Year: [4 digits]
Factory use Only
Month: [2 digits]
Factory use Only

Parts

Diagram Description: The diagram shows an exploded view of the U-Line U-29RB-15A refrigerator, with numbered parts corresponding to the table below.

ItemDescriptionU-Line P/N
1BACK PANEL80-54505-00
2BOTTLE RETAINER, LONG80-54530-00
3BOTTLE RETAINER, SHORT80-54533-00
4COMPRESSOR ELECTRICALS ONLY80-54149-00
5COMPRESSOR W/ELECTRICALS80-54150-00
6CONDENSER ASSEMBLY80-54521-00
7CONDENSER FAN W/SCREWS80-54014-00
8CONTROL ASSEMBLY80-54192-00
9CONTROL KNOB80-54975-00
10DOOR ASSEMBLY - NLA80-54541-00
11DRAIN PAN80-54217-00
12DRAIN TROUGH ASSEMBLY80-54520-00
13DRIER80-54055-00
14EVAPORATOR ASSEMBLY80-54518-00
15FEET (4)80-54529-00
16GASKET, DOOR80-55660-06
17GASKET-FITS PRE-2022 DOOR ONLY *80-54515-00
18GLASS SHELF (1)80-54525-00
19GLASS SHELF (1) BTM80-54527-00
20GRILLE W/SCREWS80-54522-00
21HANDLE W/SCREWS - NLA80-54539-00
22HINGES (2) W/SCREWS80-54513-00
23HINGE ASSY, BLK, 29R, 2022 AND NEWER80-54750-01
24KEYS, BABY LOCK *80-54330-00
25PACKAGING *80-54517-00
26POWER CORD *80-54528-00
27TRANSFORMER *80-54203-00
28UNIVERSAL LOCK ASSY *80-54153-00
* NOT PICTURED

R-600A Specifications

For R-600a refrigerant service tips and more videos, go to: www.u-line.com/videos.

❗ WARNING
Flammability warnings for a pure-iso-butane refrigerant.

Diagram Description: Images show a U-Line branded compressor with R600a label, another Embraco compressor with R600a label, and warning labels regarding risk of fire or explosion with flammable refrigerant.

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 system.

Never substitute U-Line OEM replacement parts or methods of construction.

R-600a must be stored and transported in approved containers.

NOTICE
Technician must observe all federal, state and local laws regarding refrigerants.

R-600A SPECIFICATIONS/LABELING

R-600a equipped products are labeled (both the unit and the compressor).

R-600a is colorless and odorless.

R-600a is considered non-toxic, but is flammable when mixed with air.

Do not remove or alter any R-600a labeling on the product.

Use only a refrigerant grade R-600a from a properly labeled container.

RECOVERING/RECLAIMING R-600A

(R-600a has been exempted from recovery/reclaiming requirements by the US EPA)

Recovery/Reclaiming equipment must be approved for use with R-600a.

Ensure the evaporator is at room temperature prior to recovery/reclaiming R-600a.

Use a common piercing pliers or piercing valve to remove R-600a from the compressor process tube. (Note: Piercing devices must not be left on the system and must be replaced with a Schrader type valve.)

Evacuate/reclaim via the piecing pliers to ensure the system is empty of R-600a before any system work is performed.

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 R600a refrigerant.

The filter dryer must be replaced any time the sealed system is serviced.

No system should be open to the atmosphere for longer than 15 minutes to avoid moisture migration into the system components.

The recovery cylinder must be evacuated (no air inside) prior to accepting R-600a.

The recovery cylinder must not be filled more than 45% safe fill level and refrigerants must not be mixed.

The recovery cylinder must be clearly marked with R-600a and Flammable Warning labels.

Ensure proper ventilation during recovery/reclaiming of R-600a.

Start vacuum pump/recovery pump prior to piercing the compressor process tube.

Follow recovery/reclaim OEM instructions for the specific equipment used.

LEAK DETECTION

After removal of the R-600a, the unit can be charged with dry nitrogen or helium.

Electronic leak detection or soap solution can be used to check for nitrogen/helium leaks.

Diagram Description: Images show a "GAS LEAK LOCATOR FLUORESCENT DYE" kit and a bottle of "Leak Seal Blue".

SYSTEM REPAIR

Ensure no residual R-600a refrigerant 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.

Never use a halide torch or lighted match to check the system for leaks at any time.

The high side of the refrigeration system (compressor discharge to outlet of drier) must be leak tested with the compressor running.

The low side of the refrigeration system (evaporator, compressor and suction line) must be leak tested with the compressor off (equalized pressure).

RECHARGING

No air is ever to be allowed inside the refrigeration system (R-600a refrigerant or dry nitrogen only).

Never use a torch on a fully charged refrigeration system.

Install a Schrader Type access port on the compressor process stub.

Diagram Description: Image shows a close-up of a Schrader valve installed on a refrigeration line.

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-600a approved service tools must be used.

R-600a labeling must not be removed or altered.

System Diagnosis Guide

REGRIGERATION SYSTEM DIAGNOSIS GUIDE

Diagram Description: The diagram illustrates the refrigeration system components: CONDENSER, DRYER, COMPRESSOR, CAPILLARY TUBE, and EVAPORATOR. Arrows show the flow of refrigerant through the system.

System ConditionSuction PressureSuction LineCompressor DischargeCondenserCapillary TubeEvaporatorWattage
NormalNormalSlightly below room temperatureVery hotVery hotWarmColdNormal
OverchargeHigher than normalVery cold may frost heavilySlightly warm to hotColdHot to warmExtremely cold near inlet - Outlet below room temperatureHigher than normal
UnderchargeLower than normalWarm- near room temperatureHotWarmWarmExtremely cold near inlet - Outlet below room temperature backing upLower than normal
Partial RestrictionSomewhat lower than normal vacuumWarm- near room temperatureVery hotTop passes warm Lower passes cool (near room temperature) due to liquidRoom temperature (cool) or colderRoom temperature (cool)Lower than normal
Complete RestrictionIn deep vacuumRoom temperature (cool)Room temperature (cool)Room temperature (cool)Room temperature (cool)No refrigerationLower than normal
No Gas0 PSIG to 25"Room temperature (cool)Cool to hotRoom temperature (cool)Room temperature (cool)No refrigerationLower than normal

Compressor Specifications

⚠️ DANGER
Electrocution can cause death or serious injury. Burns from hot or cold surfaces can cause serious injury. Take precautions when servicing this unit.

Disconnect the power source.

Do not stand in standing water when working around electrical appliances.

Make sure the surfaces you touch are not hot or frozen.

Diagram Description: The diagram shows a simplified illustration of a compressor with its electrical components: OVERLOAD PROTECTOR, STARTING RELAY, RELAY COVER, and CAPACITOR.

CHECK TERMINAL PINS

To measure the start winding resistance, measure across the C and S pins.

To measure the run winding resistance, measure across the C and R pins.

Also check S to R and you should get the sum of the run and start windings.

To ensure the windings are not shorted, check the S and R to ground.

EMX20CLC
RefrigerantR600a
Voltage115 - 127 VAC
Frequency60 Hz
Run Cap12µF/165 VAC
Start Winding6.7 Ohm at 77°F
Run Winding12.6 Ohm at 77°F
LRA3.7 A
FLA0.5 A
Starting Device8EA14C
Overload4TM142RFBYY-53
* All resistance readings are ±10%

Troubleshooting - Extended

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 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 brief description of the normal operating sounds they make. NOTE: Your product may not contain all the components listed.

  • Compressor: The compressor makes a hum or pulsing sound that may be heard when it operates.
  • Evaporator: Refrigerant flowing through an evaporator may sound like boiling liquid.
  • Condenser Fan: Air moving through a condenser may be heard.
  • Automatic Defrost Drain Pan: Water may be heard dripping or running into the drain pan when the unit is in the defrost cycle.

Specific Errors and Issues

⚠️ CAUTION
Never attempt to repair or perform maintenance on the unit until the main electrical power has been disconnected from the unit.

TROUBLESHOOTING GUIDE

ConcernPotential CausesAction
Not CoolingCompressor overheatingVerify proper air flow through condenser. (Refer to Airflow/General information Section of this manual)
Compressor not operatingConfirm condenser fan operation. (Refer to Airflow/General information Section of this manual)
Compressor operating - no coolingTest overload and relay, replace as needed. Refer to Refrigeration System Diagnosis Guide Section of this manual.
Frozen ProductEvaporator fan not operating, convect cool models onlyRefer to Convection Cooling Section of this manual. convect cool models only
Frost Buildup Inside UnitControl set too coldRefer to Adjusting Air Temperature Section of this manual.
Door ajar or restricted from closingInspect/Repair door closure, adjust as needed.
Internal Lights Not WorkingDoor switch misaligned or defectiveCheck light switch, wiring and acuator. Adjust as needed.
NoisyRefrigeration tubing touching cabinetCarefully reposition tubing.
Fan blade obstruction (wiring, foam insulation, packaging material)Remove obstruction.
Ice Buildup In Drain Trough or Drain ProblemObstructed drain cup or tubeClear as needed, test flow.
Kinked condensate drain lineReroute condensate drain line and test flow.
Drain trough and cup misalignedTrough is slotted for adjustment. Loosen retainers and adjust as needed.

Theory of Operation

Cooling process

Refrigerant is pumped from the compressor to the condenser as a high pressure, high temperature vapor.

As the refrigerant cools in the high pressure condenser, the vapor condenses to liquid. During this phase change, a great amount of heat is rejected with the help of the condenser fan.

The liquid then flows to the dryer where it is strained and filtered.

From the dryer, the refrigerant flows through the capillary tube which meters the liquid refrigerant to the evaporator.

The pressure of the refrigerant is reduced to the evaporating or low side pressure.

The reduction of pressure on the liquid refrigerant causes it to boil or vaporize until it reaches saturation temperature. As the low temperature refrigerant passes through the evaporator coil, it continues to absorb a lot of heat, causing the boiling action to continue until the refrigerant is completely vaporized. It is during this phase that the most heat is absorbed (the cooling takes place) in the refrigerator.

The refrigerant vapor leaving the evaporator travels through the suction line to the compressor inlet. The compressor takes the low pressure vapor and compresses it, increasing both pressure and temperature. The hot, high pressure gas is pumped out the discharge line and into the condenser. The cycle continues.

Diagram Description: The diagram illustrates the refrigeration cycle. Components shown are CONDENSER, DRYER, COMPRESSOR, CAPILLARY TUBE, and EVAPORATOR. Arrows depict the flow of refrigerant.

Defrost

These units are automatic (cycle) defrost unit will defrost itself when the control/sensor is satisfied of internal temperatures. Defrost mode ends when control/sensor asks for cooling.

U-Line Corporation (U-Line) Limited Warranty

One Year Limited Warranty

For one year from the date of original purchase, this 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. All service provided by U-Line under the above warranty must be performed by a U-Line factory authorized servicer, unless otherwise specified by U-Line. Service provided during normal business hours.

Two Year Limited Warranty (5 Class Product)

For two years from the date of original purchase, this 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. All service provided by U-Line under the above warranty must be performed by a U-Line factory authorized servicer, unless otherwise specified by U-Line. Service provided during normal business hours.

Available Second & Third Year Limited Warranty

In addition to the standard one and two year warranties outlined above, U-Line offers a one year extension of the warranties from the date of purchase, free of charge. To take advantage of this extension, you must register your product with U-Line within 60 days from the date of purchase at u-line.com and provide proof of purchase. Nugget Ice Machine proof of purchase must include the purchase of an in-line water filter and filter head to qualify for this additional limited warranty.

Five Year Sealed System Limited Warranty

For five years from the date of original purchase, U-Line will repair or replace the following parts, labor not included, that prove to be defective in materials or workmanship: compressor, condenser, evaporator, drier, and all connecting tubing. All service provided by U-Line under the above warranty must be performed by a U-Line factory authorized servicer, unless otherwise specified by U-Line. Service provided during normal business hours.

Terms

These warranties apply only to products installed in any one of the fifty states of the United States, the District of Columbia, or the ten provinces of Canada. The warranties do not cover any parts or labor to correct any defect caused by negligence, accident or improper use, maintenance, installation, service, repair, acts of God, fire, flood 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 these warranties or any other warranty, whether express, implied, or statutory. Some states do not allow the exclusion or limitation of incidental or consequential damages, so the above limitation or exclusion may not apply to you. These warranties give you specific legal rights, and you may also have other rights which vary from state to state.

Any warranty that may be implied in connection with your purchase or use of the product, including any warranty of merchantability or any warranty fit for a particular purpose is limited to the duration of these warranties, and only extends to five years in duration for the parts described in the section related to the five year limited warranty above. Some states do not allow limitations on how long an implied warranty lasts, so the above limitations may not apply to you.

  • The warranties only apply to the original purchaser and are non-transferable.
  • The second, third, and five year warranties cover products installed and used for normal residential or designated marine use only.
  • The warranties apply to units operated outside only if designed for outdoor use by model and serial number.
  • U-Line Commercial products are covered by the one year and 5 year limited warranties and are not eligible for the second and third year limited warranties.
  • Replacement water filters, light bulbs, and other consumable parts are not covered by these warranties.
  • The start of U-Line's obligation is limited to four years after the shipment date from U-Line.
  • In-home instruction on how to use your product is not covered by these warranties.
  • Food, beverage, and medicine loss are not covered by these warranties.
  • If the product is located in an area where U-Line factory authorized service is not available, you may be responsible for a trip charge or you may be required to bring the product to a U-Line factory authorized service location at your own cost and expense.
  • Units purchased after use as floor displays, and/or certified reconditioned units, are covered by the limited one year warranty only and no coverage is provided for cosmetic defects.
  • Signal issues related to Wi-Fi connectivity are not covered by these warranties.

For parts and service assistance, or to find U-Line factory authorized service near you, contact U-Line:
8900 N. 55th Street, Milwaukee, WI 53223 u-line.com onlineservice@u-line.com • +1.414.354.0300

Copyright U-Line Corporation. All Rights Reserved. | Publication Number 30379 | 11/2022 Rev. P

Models: U-29RB-15A Under Counter Refrigerator, U-29RB-15A, Under Counter Refrigerator, Counter Refrigerator, Refrigerator

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