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General| Type | Ultra-low temperature freezer |
|---|---|
| Temperature Range | -40°C to -86°C |
| Power Supply | 220V/50Hz |
| Controller | Microprocessor control |
| Defrosting | Manual |
| Color | White |
| Capacity | 578L |
| Refrigerant | Mixed-gas refrigerant |
Requirements for ambient temperature, humidity, dust, and vibration.
Information on checking and replacing the backup battery.
Guidelines for safe and environmentally sound disposal of the unit.
Procedures for cleaning the interior, exterior, and condenser filter.
Remove all packing materials and straps for transportation.
Verify items against the packing list and contact Haier if discrepancies exist.
Ensure proper ambient temperature, humidity, dust, and vibration conditions.
Rotate leveling legs to support the unit securely on the floor.
Position the freezer in its intended location for 24 hours before connecting power.
Connect the power cord to a dedicated power socket.
Connect the freezer to the power supply and turn on the power switch and battery switch.
If a backup cooling system is present, turn it off.
Run the unit empty to -60°C for 8 hours, then to -80°C, observing performance for 24 hours.
Load samples in batches (max 1/3 capacity) after the unit reaches the desired temperature.
If a backup cooling system is present, turn it on.
Unit temperature reaches the high temperature alarm limit.
Unit temperature reaches the low temperature alarm limit.
Alarm triggered when the equipment loses power.
Alarm triggered when voltage exceeds high or lower limits.
Alarm triggered by clogged filter or high ambient temperature.
Visual identification of major freezer components.
Identification of buttons and indicators on the control panel.
Procedure to unlock the freezer for setting adjustments.
Adjusting the primary temperature setting for the freezer.
Configuring the upper limit alarm for temperature deviations.
Configuring the lower limit alarm for temperature deviations.
Setting or changing the security code for unlocking the unit.
Configuring the delay timer for compressor startup after power loss.
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