The NÜVE FR 290, FR 490, and FR 590 Deep Freezers are designed for the low-temperature storage of samples in various settings, including hospitals, blood banks, epidemic disease research centers, university research laboratories, genetic engineering facilities, and the bio-pharmaceutical industry.
Function Description:
These freezers are capable of maintaining temperatures between -20°C and -45°C with 1°C sensitivity. They utilize N-SmArt™ microprocessor control systems for safe operation. The DirectFREEZE™ technology ensures strong and rapid cooling, with refrigerant gas passing through evaporators located under each shelf, at the bottom, and at the top of the chamber, directly cooling each compartment. The refrigeration system uses non-explosive, CFC-free refrigerant gas. A key lock on the power switch prevents unauthorized use, and an easily opened door handle with a silicon gasket prevents air leakage.
Important Technical Specifications:
- Cooling: DirectFREEZE™ technology.
- Temperature Sensor: Pt-100.
- Sensitivity: 1°C.
- Chamber Volume: FR 290: 261 Liters; FR 490: 461 Liters; FR 590: 560 Liters.
- Temperature Set Range: -20°C to -45°C.
- Temperature Variation (on samples): < 2.0°C.
- Refrigerant: R404A.
- Alarm Back-up: 12-hours with automatically recharged battery.
- Alarm System: Audible and Visual, with a temperature alarm range of Set point +5°C to +10°C.
- Safety System: Pressure Switch.
- Isolation: 120 mm injected polyurethane block (CFC-free).
- Shelf System: FR 290: 3 independent compartments/internal isolation doors; FR 490/FR 590: 4 independent compartments/internal isolation doors.
- Control System: N-SmArt™ Programmable microprocessor system with a colorful LCD.
- Temperature Indicator: Colorful LCD.
- Temperature Recorder Circular: Battery operated 7-day chart with key lock (optional).
- Internal Memory: 10-year memory, one record per hour.
- Connectivity: Standard USB, Ethernet, RS 232 / GSM, Central Alarm Outlet.
- Power Supply: 230 V, 50 Hz.
- Power Consumption: 900 Watt.
- Internal Material: Stainless steel.
- External Material: Epoxy-polyester powder coated stainless steel.
- Internal Dimensions (WxDxH): FR 290: 420x625x995 mm; FR 490: 555x630x1320 mm; FR 590: 555x765x1320 mm.
- External Dimensions (WxDxH): FR 290: 680x1070x1690 mm; FR 490: 820x965x2035 mm; FR 590: 815x1120x2010 mm.
- Maximum Shelf Capacity: 40 kg.
- Operating Conditions: Indoor use only, ambient temperature 5°C to 40°C, maximum relative humidity 80% up to 31°C, maximum altitude 2000 m. Optimal performance at 15°C / 25°C ambient temperature.
Usage Features:
- Digital Temperature Display: Chamber temperature is displayed digitally.
- Alarm Systems: Audible and visual alarms for high/low temperature, open door, power failure, and sensor failure. The alarm system is powered by an automatically rechargeable battery.
- Error Logging: Stores the last 50 failures in memory, viewable on the display.
- Email Notifications: Standard Ethernet connection allows sending email alerts to up to five addresses in case of errors.
- SMS Notifications (Optional): With an optional GSM module, SMS alerts can be sent to up to five phone numbers.
- Power Interruption Monitoring: Measures and displays chamber temperature during electricity interruptions.
- Remote Alarm: Standard remote alarm outlet for connection to a central alarm system.
- Data Recording: Internal memory stores temperature values for 10 years (one record per hour). Data can also be recorded to a USB stick.
- Chart Recorder (Optional): Weekly circular chart recorder, battery-operated with a key lock, for continuous temperature recording.
- Control Panel: N-SmArt™ microprocessor control system with a colorful LCD. Functions are accessed via F1-F4 buttons, with symbols indicating menu, settings, graph screen, alarm range, error codes, alarm mute, backspace, value increase/decrease, left/right navigation, and enter.
- Password Protection: Access to menus and settings is password-protected (default 0000).
- Language Selection: Control panel language can be set to Turkish, English, French, Russian, or Spanish.
- Screen Saver: Adjustable screen saver for energy saving.
- Data Export: Internal memory data (failure history, temperature tables, and graphs) can be copied to a USB stick. Instant recording to USB is also available.
- Temperature Alarm Range: Adjustable between 5°C and 10°C (factory set to 10°C).
Maintenance Features:
- Condenser Filter Cleaning: The condenser filter should be cleaned monthly to maintain efficiency. It is accessible by pulling out the front panel of the compressor compartment and can be cleaned with compressed air.
- Door Gasket Inspection: Regular checks for icing on the door gasket are recommended to ensure proper door closure and effective cooling. If excessive icing occurs, the freezer should be turned off for 12 hours to defrost.
- Chamber Cleaning: The chamber should be cleaned with surface disinfectants (e.g., 70% alcohol, 2% glutaraldehyde). Chlorine-containing solutions should not be used.
- General Cleaning: The freezer should be cleaned at room temperature after disconnecting the power cable, using a damp cloth for dirt and dust, and liquid detergent for tough stains. Precautions should be taken when handling chemical cleaners.
- Rust Spot Checks: Regularly check the external condition for any rust spots and remove them.
- Defrosting: Ensure no ice layer forms on the shelves.
- Troubleshooting: The device provides error codes (e.g., EoFF for power failure, Err1 for sensor defect, Err2 for communication error, Err3 for clogged condenser filter, Err5 for open door, Err6 for temperature out of alarm range, Err7 for software incompatibility) with explanations available on the display.
- Fuse Replacement: Fuses must always be replaced by authorized personnel.
The device complies with EN 60601-1, EN 61010-1, EN 61000-6-3, EN 62366, EN 980, EN 60601-1-4, EN 60601-1-2, EN 60601-1-6, EN ISO 14971, EN 50419 standards and WEEE Regulation.
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