Liebherr freezer GN 5235-20 Manual

The Liebherr GN 5235-20 is a high-performance upright freezer designed for professional and demanding domestic use. It features a stainless steel exterior, electronic temperature control with digital display, NoFrost technology to prevent ice buildup, alarm systems for temperature deviations and door ajar, multiple interior compartments with glass shelves and drawers, and an energy-efficient compressor. Below are key sections for safety, features, installation, setup, operation, and troubleshooting.

Features at a Glance

Key components: Stainless steel cabinet, Digital control panel, NoFrost evaporator, Interior light, Multiple drawers and glass shelves, Door alarm, Temperature alarm.

Installation

Unpack and inspect contents. Place on level, stable floor.

1. Remove packaging: Take off all tapes, foams, and transit bolts.
2. Positioning: Allow at least 10 cm clearance at back and sides for ventilation.
3. Leveling: Adjust front feet to ensure unit is perfectly level.
4. Door alignment: Check door swings freely and seals properly.
5. Initial rest: Let unit stand upright for 4 hours before connecting to power.

WARNING! Freezer is heavy; use two people for moving. Ensure floor can support weight.

First-Time Setup

After installation rest period, connect to power and initialize.

1. Connect power: Plug into dedicated 220-240V, 50Hz grounded outlet.
2. Power on: The control panel will illuminate. Default temperature is -18°C.
3. Set temperature: Use + and - buttons to set desired freezing temperature.
4. Load food: Wait until temperature indicator shows set point is reached (approx. 4-6 hours).
5. Test alarms: Briefly open door to trigger door alarm; ensure it sounds.

CAUTION! Do not overload initially. Allow cold air to circulate freely.

Specifications

• Model: GN 5235-20
• Type: Upright Freezer
• External Dimensions (HxWxD): 185 x 60 x 63 cm
• Net Capacity: 205 liters
• Freezing Capacity: 15 kg/24h
• Temperature Range: -24°C to -16°C (adjustable)
• Refrigerant: R600a
• Energy Class: A++
• Annual Energy Consumption: 180 kWh
• Noise Level: 38 dB(A)
• Power Supply: 220-240V, 50Hz
• Climate Class: SN-T (10°C to 43°C ambient)

Controls and Settings

Control Panel located on front exterior.

Buttons: POWER (On/Off), TEMP +, TEMP -, ALARM RESET, SUPER FREEZE.

Display: Shows set temperature and actual temperature. Alarm icons for door ajar and high temperature.

Settings: Temperature adjustment in 1°C increments. Super Freeze mode for rapid freezing (runs for 24 hours then auto-off). Alarm reset button to silence audible alarm after correcting issue.

Connecting to Power

Use only proper grounded outlet.

1. Ensure power cord is undamaged.
2. Plug directly into wall outlet; avoid extension cords.
3. Ensure voltage matches rating (220-240V, 50Hz).
4. The power LED should light up when connected.

Tip: Use a dedicated circuit to prevent overloading.

Operating the Freezer

For optimal freezing and energy efficiency.

1. Loading: Place food in sealed containers or bags. Allow space between items for air circulation.
2. Organization: Use drawers for small items, shelves for larger packages.
3. Super Freeze: Activate 2-3 hours before adding large quantity of unfrozen food.
4. Temperature Monitoring: Display shows current temperature. Fluctuation during door opening is normal.
5. Door Closure: Ensure door seals tightly after each use.

WARNING! Do not store flammable substances or carbonated drinks in sealed containers.

Alarm Features

Door Alarm: Sounds if door is open for more than 2 minutes. Temperature Alarm: Sounds if internal temperature rises above -12°C for more than 1 hour (e.g., power failure, door ajar). Alarm is indicated by flashing icon and audible beep. Press ALARM RESET to silence after correcting the cause.

Care & Cleaning

Unplug before cleaning. Use mild detergent and water; never use abrasive cleaners or solvents.

1. Interior: Remove all food. Wipe shelves and drawers with damp cloth. Dry thoroughly.
2. Exterior: Wipe stainless steel with dedicated cleaner to maintain finish.
3. Door Seals: Clean gently with soapy water to ensure proper seal.
4. Condenser: Vacuum rear grille annually to remove dust.

CAUTION! Do not use steam cleaners or high-pressure sprays.

Regulatory Information

CE marked. Complies with EU directives for low voltage and electromagnetic compatibility. Manufactured by Liebherr-Hausgeräte GmbH. For support, visit www.liebherr.com or contact your local Liebherr service center. This appliance contains fluorinated greenhouse gases covered by the Kyoto Protocol.

Troubleshooting

Reset: Unplug for 5 minutes to reset control system.

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