Liebherr freezer UG 1211 Comfort Manual

The Liebherr UG 1211 Comfort is an under-counter freezer offering efficient freezing performance with a 121-liter capacity, featuring BioFresh technology for optimal food preservation, adjustable temperature control, SuperFrost function for rapid freezing, an interior light, reversible door, and an audible door alarm. Designed for built-in or freestanding use, it operates on 220-240V, 50Hz. Below are key sections for safety, features, installation, setup, operation, and troubleshooting.

1. Features at a Glance 2. Installation 3. First-Time Setup 4. Specifications 5. Controls and Settings 6. Connecting to Power 7. Using the Freezer 8. Special Functions 9. Care & Cleaning 10. Regulatory Information 11. Troubleshooting

Features at a Glance

Key components: Freezer compartment with adjustable shelves, Temperature control panel, Door with reversible hinges, Interior light, Door alarm, Air vents.

Feature	Description
BioFresh technology	Maintains optimal humidity and temperature for longer food freshness
SuperFrost function	Rapidly lowers temperature for freezing new items
Adjustable thermostat	Digital control for precise temperature setting
Reversible door	Door can be hinged on left or right side
Interior light	LED illumination for visibility
Door alarm	Audible alert if door is left open
Adjustable feet	For leveling the appliance
Freezer drawers	Organized storage with transparent fronts
Power cord	For electrical connection
Air circulation system	Ensures even cooling throughout compartment

Installation

Unpack and inspect contents. Ensure location meets requirements.

Choose location: Place on stable, level surface away from heat sources and direct sunlight.
Adjust feet: Use a wrench to turn adjustable feet until unit is level.
Set door hinge: Reverse door if needed using included tool kit (follow hinge reversal instructions).
Clearance: Allow at least 5 cm clearance at back and sides for ventilation.
Connect to power: Plug into grounded 220-240V outlet.

WARNING! Do not install near ovens or radiators. Ensure proper ventilation to prevent overheating.

First-Time Setup

After installation, allow the freezer to stabilize before use.

Initial cooling: Plug in and turn on. Set thermostat to middle position. Let run empty for 2-3 hours.
Set temperature: Use control panel to set desired freezing temperature (recommended -18°C).
Load food: Once temperature is stable, gradually add food items, avoiding overfilling.
Activate SuperFrost: If freezing large quantities, activate SuperFrost 24 hours before adding food.

CAUTION! Do not load warm food directly into freezer; allow to cool to room temperature first.

Specifications

Model: UG 1211 Comfort
Capacity: 121 liters (net)
Energy Class: A++ (or as per local regulations)
Refrigerant: R600a
Climate Class: SN, N, ST (suitable for ambient 10°C to 38°C)
Noise Level: ≤ 40 dB(A)
Power Supply: 220-240V, 50Hz
Annual Energy Consumption: Approximately 180 kWh (may vary)
Dimensions (HxWxD): 82 x 54.5 x 57.5 cm
Weight: 32 kg

Controls and Settings

Control panel located inside or on front of unit.

Controls: Power On/Off, Temperature adjustment buttons (+/-), SuperFrost button, Alarm reset/mute.

Temperature Setting: Range from -24°C to -16°C. Recommended setting is -18°C. SuperFrost: Activates maximum cooling for 24 hours or until manually turned off. Alarm: Sounds if temperature rises above safe level or door is ajar; press button to acknowledge/reset. Display: Shows set temperature, actual temperature (if equipped), and active functions.

Connecting to Power

Ensure proper electrical connection for safe operation.

Use a dedicated grounded outlet matching voltage requirements (220-240V, 50Hz).
Do not use extension cords or multi-plug adapters.
Ensure plug is accessible for disconnection in emergencies.
After plugging in, the control panel should illuminate.

Tip: If power cord is damaged, it must be replaced by a qualified technician.

Using the Freezer

Optimal use ensures efficiency and food safety.

Organize food: Use drawers and shelves to allow air circulation. Label and date packages.
Freezing fresh food: Place items in contact with cold walls/drawers. Use SuperFrost for large quantities.
Defrosting: Manual defrost recommended when ice buildup exceeds 5 mm. Turn off, remove food, let ice melt.
Door usage: Open only when necessary and close promptly to maintain temperature.
Long storage: For vacations, set to colder temperature or use Holiday mode if available.

WARNING! Do not store explosive substances or glass containers with liquids that may freeze and burst.

Special Functions

SuperFrost: Press button to activate; indicator light will stay on. Deactivates automatically after 24 hours or press again to cancel. Door Alarm: Sounds after door is open for approximately 2 minutes. Press any button to silence. BioFresh: Maintains specific compartment at near 0°C and high humidity for produce, meat, fish (if applicable to model).

Care & Cleaning

Unplug before cleaning. Remove all food and shelves/drawers.

Interior: Clean with mild detergent and warm water. Rinse and dry thoroughly.
Shelves/Drawers: Wash separately in sink. Dry completely before reinstalling.
Exterior: Wipe with damp cloth. For stainless steel, use appropriate cleaner.
Condenser: Vacuum dust from rear grille annually to maintain efficiency.

CAUTION! Never use abrasive cleaners, scouring pads, or chemical solvents. Do not pour water inside or over the appliance.

Regulatory Information

CE Marked: Complies with European Low Voltage and EMC Directives. WEEE Symbol: Indicates separate collection for electronic waste. The appliance contains flammable refrigerant (R600a) and insulating foam; disposal must be performed by authorized personnel. For support, visit www.liebherr.com or contact your local Liebherr service center.

Troubleshooting

Symptom	Possible Cause	Corrective Action
Freezer not cooling	Power supply/thermostat	Check if plugged in and outlet works; ensure thermostat is not set to OFF.
Excessive frost/ice	Door seal/warm food	Check door seal for damage; ensure door closes fully; avoid putting warm food inside.
Unusual noise	Leveling/objects touching	Ensure unit is level; check if interior items are touching walls; ensure nothing is touching rear.
Alarm sounds	Door open/temp rise	Close door firmly; check if large amount of warm food added recently; allow temperature to stabilize.
Interior light not working	Bulb/switch	Replace LED bulb (if user-replaceable); check door switch operation.
Water pooling inside or under	Drain blocked/defrosting	Check drain hole at back of interior for blockage; clear if necessary.

Reset: Unplug for 5 minutes, then reconnect to reset electronic control.

Service: Contact authorized Liebherr service. Do not attempt repairs yourself, especially involving refrigerant circuit.