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General| Brand | Haier |
|---|---|
| Model | DW-86L626 |
| Category | Freezer |
| Type | Ultra-Low Temperature Freezer |
| Temperature Range | -40°C to -86°C |
| Power Supply | 220-240V/50Hz |
| Controller | Microprocessor control |
| Defrosting System | Manual |
| Number of Shelves | 3 |
| Door Hinge | Right |
| Color | White |
| Capacity | 626 liters |
| Climate Class | N |
| Alarm | High temperature alarm |
| Energy Efficiency Class | A |
Details warranty on compressors, parts, and labor for future service.
Illustrates and labels the main components of the freezer unit.
Information on CO2 and LN2 backup cooling systems and safety precautions.
Information on using storage racks and boxes for efficient internal space utilization.
Details calibration and operation of the temperature recorder, including ink pen function.
Covers safety warnings, prohibited actions, high voltage, placement, and energy efficiency advice.
Details voltage, frequency, regulator, and extension cord specifications for safe operation.
Emphasizes the importance of proper grounding and safe plug usage to prevent shock.
Step-by-step guide for changing the recorder chart paper and pen alignment.
Procedure for checking and adjusting temperature recorder accuracy after chart replacement.
Details the recorder's AC and DC power supply, including battery status indication.
Precautions regarding flammable gases, ventilation, and avoiding water contact.
Warning against unauthorized dismantling, repair, or modification of the equipment.
Procedure for waiting 5 minutes before restarting after a power outage.
Specifies maximum load limits for shelves and the entire unit to prevent damage.
Warning against touching electrical parts with damp hands to prevent electric shock.
Ensures correct settings are verified after power outages or shutdowns.
Advises against placing objects on the unit and proper use of porthole insulation.
Guidance on closing doors, handling samples with gloves, and avoiding sharp edges.
Recommends regular cleaning of the condenser filter for optimal performance.
Instruction to unplug the power cord when the unit is out of service for extended periods.
Emphasizes monitoring ventilation when a CO2 backup system is activated.
Instructions for long-term storage, including battery testing and temperature stabilization.
Explains the normal warming of the front frame due to embedded tubing.
Recommends loading samples in batches after the unit reaches the set point.
Notes potential discrepancies between displayed and actual chamber temperatures.
Details the use and sealing of the back wall access port for testing.
Guidance on using mild detergents and avoiding harsh cleaning agents.
Instructions for defrosting the interior when frost thickness reaches 5mm.
Specifies optimal ambient temperature, humidity, dust count, and elevation.
Details space, flatness, ventilation, sunlight, and electrical outlet requirements.
Identifies battery location, safety warnings for high voltage, and removal steps.
Warns about correct polarity when replacing the battery to avoid damage.
Steps to remove packing materials and adjust leveling legs for stability.
Mandates proper grounding, accessible sockets, and avoiding blocked inlets.
Guide for initial unit startup, temperature setting, and performance observation.
Ensures unit status check and sample removal if problems arise.
Advise to check if storage temperature matches freezer capability before loading.
Explains normal temperature discrepancy between display and actual samples.
Recommends batch loading and stepwise temperature reduction to avoid overload.
Instructions for cleaning the unit's exterior using mild detergents.
Procedure for cleaning the condenser filter to prevent overheating.
Steps for defrosting interior walls and doors using a plastic scraper.
Guidance on replacing the battery, noting its life expectancy and contact for service.
Checks for power supply, main switch, voltage, and load issues.
Troubleshooting steps for high environment temperature, door seals, filter, and settings.
Identifies potential causes of noise including floor, leveling, objects, and compressor operation.
Explains the meaning of indicator lights for locked, network, run, regulator, and backup system.
Lists alarm types, triggering conditions, indicators, and buzzer sounds.
Procedure to unlock controls and select modes for temperature, alarm settings.
Steps to adjust the freezer temperature set point within the -10°C to -86°C range.
Procedure to set the high temperature alarm limit with specific adjustment rules.
Procedure to set the low temperature alarm limit with specific adjustment rules.
Instructions for setting a new security code to unlock the unit controls.
Explains the startup delay feature for compressors to reduce power surge.
Procedure for testing alarm functions and checking battery capacity.
