Liebherr freezer SUFc 3703 Pure Manual

The Liebherr freezer SUFc 3703 Pure is a premium freestanding freezer with a net capacity of 370 liters, featuring Liebherr's advanced NoFrost technology to prevent ice buildup, an A++ energy efficiency rating, SuperCool function for rapid cooling, adjustable temperature control, interior LED lighting, reversible doors, and adjustable feet for leveling. 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. Storage Organization 7. Energy Saving Tips 8. Maintenance & Defrosting 9. Safety Information 10. Regulatory Information 11. Troubleshooting

Features at a Glance

Key components: NoFrost cooling system, electronic temperature control panel, interior LED light, reversible door hinges, adjustable glass shelves, door bins, and freezer baskets.

Feature	Description
NoFrost Technology	Prevents ice buildup automatically; no manual defrosting required
SuperCool Function	Rapidly lowers temperature for new loads
Electronic Control Panel	Digital display with temperature setting and mode selection
Interior LED Lighting	Energy-efficient illumination for clear visibility
Reversible Doors	Door can be hung left or right to suit room layout
Adjustable Glass Shelves	Flexible storage configuration
Freezer Baskets	For organized storage of frozen goods
Door Alarm	Audible alert if door is left open
Child Lock	Prevents unintended setting changes
Adjustable Feet	For stable leveling on uneven floors

Installation

Unpack and inspect contents. Position in a well-ventilated area away from heat sources.

Remove all packaging materials and transit bolts.
Adjust the feet using a wrench to ensure the appliance is level.
Choose door swing direction and reverse if necessary using included hinge kit.
Allow the freezer to stand upright for at least 4 hours before connecting to power.
Plug into a dedicated 220-240V AC, 50Hz grounded outlet.

WARNING! Do not place near ovens, radiators, or in direct sunlight. Ensure adequate air circulation around the unit.

First-Time Setup

After installation, power on the freezer and configure initial settings.

Set temperature: Press the TEMP button to set desired freezing level (recommended -18°C).
Activate SuperCool: Press SUPERCOOL button for rapid cooling when first loading.
Set child lock: Press and hold LOCK button for 3 seconds to enable/disable.
Organize interior: Adjust shelves and place baskets as needed.

CAUTION! Do not overload the freezer during initial cooling. Allow temperature to stabilize before filling completely.

Specifications

Model: SUFc 3703 Pure
Net Capacity: 370 liters
Energy Rating: A++
Annual Energy Consumption: Approximately 230 kWh
Noise Level: 38 dB(A)
Refrigerant: R600a
Climate Class: SN-T (10°C to 43°C)
Dimensions (HxWxD): 185 x 60 x 64 cm
Weight: 68 kg
Power Supply: 220-240V AC, 50Hz

Controls and Settings

Control panel located on the front exterior. Functions: POWER, TEMP adjustment, SUPERCOOL, ALARM reset, LOCK.

Temperature Setting: Range from -24°C to -16°C. Recommended setting is -18°C.

SuperCool Mode: Activates maximum cooling for approximately 6 hours, then returns to set temperature.

Door Alarm: Sounds if door is open for more than 2 minutes. Press any button to silence.

Child Lock: Press and hold LOCK for 3 seconds to disable control panel.

Storage Organization

Optimize freezing performance with proper organization.

Use upper shelves for ready-to-eat foods, ice cream, and baked goods.
Use middle and lower shelves for meat, fish, and prepared meals.
Use door bins for smaller items, frozen vegetables, and ice packs.
Use baskets for bulk items and irregularly shaped packages.
Label and date all items for proper rotation.

Tip: Do not block air vents inside the freezer to ensure proper air circulation.

Energy Saving Tips

Maximize efficiency and reduce operating costs.

Maintain temperature at -18°C; lower settings increase energy use.
Ensure door seals are clean and tight.
Allow hot foods to cool before placing in freezer.
Defrost food in refrigerator compartment.
Keep freezer at least ¾ full for optimal efficiency.
Regularly clean condenser coils at the back.

Maintenance & Defrosting

NoFrost system eliminates manual defrosting. Regular maintenance ensures longevity.

Unplug before any maintenance.
Clean interior with mild soap solution and soft cloth; dry thoroughly.
Clean door seals with water only.
Vacuum condenser coils every 6 months.
Check door alignment periodically.

CAUTION! Never use abrasive cleaners, sharp tools, or steam cleaners. Do not pour water into the drainage channel.

Safety Information

Important safety precautions for operation.

Do not store flammable gases or liquids.
Do not use electrical appliances inside.
Do not block ventilation openings.
Disconnect power before cleaning or maintenance.
Keep children from playing with controls.
Do not damage refrigerant circuit.

Regulatory Information

Complies with EU directives for low voltage, electromagnetic compatibility, and eco-design. WEEE symbol indicates separate collection for electrical waste. For EU disposal, use authorized collection points. Manufactured by Liebherr-Hausgeräte GmbH. For support, visit www.liebherr.com or contact local authorized service center.

Troubleshooting

Symptom	Possible Cause	Corrective Action
Freezer not cooling	Power supply/doors	Check power connection; ensure door is fully closed; verify temperature setting.
Unusual noise	Leveling/objects touching	Adjust feet for level; ensure nothing is touching back or sides.
Water inside or under unit	Blocked drainage/defrost cycle	Check drainage channel; ensure freezer is level; this may be normal during defrost cycle.
Door alarm sounds	Door open	Close door properly; check for obstructions in seal.
Excessive frost	Door seal/warm food	Check door seal for damage; ensure warm food is cooled before freezing.
Control panel not responding	Child lock activated	Deactivate child lock by holding LOCK button for 3 seconds.

Reset: Disconnect power for 5 minutes, then reconnect to reset electronic controls.

Service: Contact authorized Liebherr service center. Do not attempt repairs yourself.