Haier Ultra-Low Chest Freezers have a unique door seal design for the minimum loss of cold temperature during a door opening. Stainless steel handle to ensure proper strength for door latching. Specialized control system is designed for a well-balance operation of cascade refrigeration system. High performance VIP insulation panels minimize cabinet heat gain and improve temperature stability.
Safety features include malfunction alarms for high and low temperature, power failure, sensor error, clean-filter, and extremely high ambient temperature. The alarms are capable of two types of alarm outputs: audible buzzer and flashing light. Multiple built-in system protection features including user-settable protection code for controls, user settable delay to start, voltage compensation system, and protection against extreme high voltages. Door open feature standard and USB port for temperature data downloading standard on upright models.
Energy-Efficient model (DW-86W420J) uses a unique hydrocarbon refrigeration system to provide maximum efficiency in extreme conditions
Patented cabinet insulation system designed for optimal performance and minimal frost build-up
Microprocessor-controlled system designed for controllable range of -40°C to -86°C for cabinet space with 1°C increment
Large LED display for cabinet temperature, set temperature, ambient temperature, and input voltage
Settable high temperature and low temperature alarms
Automatic clean-filter alarm and sensor error alert
Freezer chassis designed to absorb vibration and sound