USER GUIDE & SERVICE MANUAL
1 Class ● UHFZ124 ● 24” Convertible Freezer
USER GUIDE & SERVICE MANUAL
u-line.com
Table of Contents
Intro
Safety
Safety and Warning
Disposal And Recycling
Installation
Environmental Requirements
Electrical
Cutout & Product Dimensions Side by Side Installation Anti-Tip Bracket
General Installation
Grille Installation
Door Swing
Door Adjust
Interior Adjustments
Maintenance
Free Standing Kit
Cleaning
Cleaning Condenser
Extended Non-Use
Operating Instructions
First Use
Control Operation
Airflow and Product Loading
Service
Troubleshooting
Product Liability
Warranty Claims
Ordering Replacement Parts
System Diagnosis Guide
Compressor Specifications
Troubleshooting Extended
Control Operation - Service
Thermistor
Defrost
Remove Fan and Cover
Warranty
USER GUIDE
u-line.com
WELCOME TO U-LINE
Congratulations on your U-Line purchase. Your product comes from a company with over five decades of premium modular ice making, refrigeration, and wine preservation experience. U-Line 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. Complete product categories include Beverage Centers, Wine Refrigerators, Ice Machines, Refrigerators, Freezers, and Dispensers.
Our advanced refrigeration systems, large and flexible capacities, and Built-In to Stand Out® clean integrated look allow you to preserve the right product, in the right place, at the right temperature. Since 2014, U-Line has been part of the Middleby family of brands. All products are designed, engineered, and assembled in Milwaukee, Wisconsin, USA, and select 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 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
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
Introduction |
3 |
USER GUIDE
u-line.com
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
! 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.
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.
! 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
Caution means that failure to follow this safety statement may result in minor or moderate personal injury, property, or equipment damage.
! CAUTION
This equipment is to be installed with adequate backflow protection to comply with applicable federal, state and local codes.
Safety and Warning |
4 |
USER GUIDE
u-line.com
Disposal and Recycling
! DANGER
RISK OF CHILD ENTRAPMENT. Before you throw away your old refrigerator or freezer, take off the doors and leave shelves in place so children may not easily climb inside.
If the unit is being removed from service for disposal, check and obey all federal, state, and local regulations regarding the disposal and recycling of refrigeration appliances, and follow these steps completely:
1.Remove all consumable contents from the unit.
2.Unplug the electrical cord from its socket.
3.Remove the door(s)/drawer(s).
Disposal and Recycling |
5 |
USER GUIDE
u-line.com
Environmental Requirements
This model is intended for indoor/interior applications only and is not to be used in installations that are open/ exposed to natural elements.
This unit is designed to operate between 50°F (10°C) and 100°F (38°C). Higher ambient temperatures may reduce the unit’s ability to reach low temperatures and/or reduce ice production on applicable models.
For best performance, keep the unit out of direct sunlight and away from heat generating equipment.
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.
Environmental Requirements |
6 |
USER GUIDE
u-line.com
Electrical
! WARNING
SHOCK HAZARD — Electrical Grounding Required. Never attempt to repair or perform maintenance on the unit until the electricity has been disconnected.
Never remove the round grounding prong from the plug and never use a two-prong grounding adapter.
Altering, cutting or removing power cord, removing power plug, or direct wiring can cause serious injury, fire, loss of property and/or life, and will void the warranty.
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 & PRODUCT DIMENSIONS for recommended receptacle location.
Electrical |
7 |
USER GUIDE
u-line.com
23 ⁄ ”
(608 mm)
Cutout & Product Dimensions
PREPARE SITE
Your U-Line product has been designed for either freestanding or built-in installation. When built-in, your unit does not require additional air space for top, sides, or rear. However, the front grille must NOT be obstructed, and clearance is required for an electrical connection in the rear.
! CAUTION
Unit can NOT be installed behind a closed cabinet door.
CUTOUT DIMENSIONS
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Preferred location |
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for electrical outlet |
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is in adjacent |
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cabinet. |
24" |
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5/8" |
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(16 mm) |
(610 mm) |
34 1⁄8" |
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(867 mm) |
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to |
7" |
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35 1⁄8" |
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(892 mm) |
(178 mm) |
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4" |
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(102 mm) |
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24 1⁄4" |
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(616 mm) |
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28” |
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892 mm) |
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3 ⁄ ” |
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(91 mm) |
15 ¾” |
20 ⁄ ” |
(400 mm) |
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(530 mm) |
TOP |
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1 ⁄ ” |
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(48mm) |
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24 ½” |
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(622mm) |
22 ½”
PRODUCT DIMENSIONS 
24 ⁄ ” (572 mm) 
(613 mm)
REAR
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Power Cord |
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6 ft (183 cm) |
3 ⁄ ” |
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6 ⁄ ” |
(98 mm) |
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7 ⁄ ” |
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(200 mm) |
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(162 mm) |
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(371 mm) |
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2 ⁄ ” |
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(59 mm) |
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6 ⁄ |
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(162 mm) |
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8 ¼” |
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1” (25 mm) |
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Cutout & Product Dimensions |
8 |
USER GUIDE
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.
Side-by-Side Installation |
9 |
USER GUIDE
u-line.com
Anti-Tip Bracket
1.Slide unit out so screws on top of unit are easily accessible.
2.Remove the two screws from the opposite side of the hinge assembly using a T-25 Torx driver (see 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 unit into position. Be careful not to entangle the electrical cord or water line, if applicable.
5.Check to be sure the unit is level 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.
6.Secure bracket into adjoining surface.
Anti-Tip Bracket |
10 |
USER GUIDE
u-line.com
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.
1
2.If the unit is not level, adjust the legs on the corners of the unit as necessary.
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.
Turn to Adjust
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 legs to achieve a total unit rear height of 1⁄8” (3 mm) less than 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.
General Installation |
11 |
USER GUIDE
u-line.com
Grille Installation
REMOVING AND INSTALLING GRILLE
! WARNING
Disconnect electric power to the unit before removing the grille.
When using the unit, the grille must be installed.
! WARNING
DO NOT touch the condenser fins. The condenser fins are SHARP and can be easily damaged.
Removing the grille
1.Disconnect power to the unit.
2.Loosen the two screws (1).
3.Remove grille (2) from unit.
Installing the grille
1.Align cabinet and grille holes and secure, but do not over tighten grille screws (1).
Note: When installing next to a 15” wide U-Line product, use the supplied spacers behind the grille. The 24” grille will now be on the same plane as the 15” grille.
2.Reconnect power to the unit.
1
2
Grille Installation |
12 |
USER GUIDE
u-line.com
Door Swing
Wall
2-1/8" Min.
(54 mm)
90° Door Swing
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 Swing |
13 |
USER GUIDE
u-line.com
Door Adjustments
HINGE COVER
Hinge cover included with the literature bag is optional.
To install hinge cover:
1.Press hinge cover squarely over hinge.
Hinge Cover 
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.Gently pry off hinge cover from top of unit.
2.Loosen (do not remove) top and bottom hinge screws using a Torx T-25 screwdriver.
3.Align door squarely with cabinet.
4.Make sure gasket is firmly in contact with cabinet all the way around the door (no gaps).
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 grille:
Remove the grille (see GRILLE INSTALLATION section of this guide).
Remove top hinge and door:
1.Hold door to keep it from falling.
2.Remove top hinge from cabinet using a Torx T-25 screwdriver to remove three screws. Set aside and save for possible future use.
5.Tighten bottom hinge screws.
6.Tighten top hinge screws and replace hinge cover.
Door Adjustments |
14 |
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