Ultralow Freq. Conversion -86C Freezer, Energy Star 729L (20.5cf) 110-
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Ultralow Freq. Conversion -86C Freezer, Energy Star 729L (20.5cf) 110-230V/60Hz Shop All Categories Haier
Ultralow Freq. Conversion -86C Freezer, Energy Star 729L (20.5cf) 110-230V/60Hz Shop All Categories Haier
Ultralow Freq. Conversion -86C Freezer, Energy Star 729L (20.5cf) 110-230V/60Hz Shop All Categories Haier

Manufacturer: Haier

Ultralow Freq. Conversion -86C Freezer, Energy Star 729L (20.5cf) 110-230V/60Hz


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Ultralow Freq. Conversion -86C Freezer, Energy Star 729L (20.5cf) 110-230V/60Hz



Haier Biomedical Ultra Low Temperature Freezer Key Design Features

  • Microprocessor-controlled system designed for controllable range of -40 °C to -86 °C for cabinet space with 1 °C increment

  • Large LCD touchscreen 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

  • Adjustable storage shelf height

  • Can be connected with network, and remote alarm systems

  • Optional temperature recorder, storage racks and storage boxes



Field Proven Reliability

  • Refrigeration system designed and manufactured with best known practice, and components with highest possible quality

  • Reliability test performed and passed on all models including aging test on control electronics at 85 °C and 85% humidity environment

  • Unique insulated inner door design for four separate storage compartments to minimize frost buildup inside the chamber

  • Specialized control system design for a well-balanced operation of cascade refrigeration system





  • Equipped with a complete alarm system with optional remote network monitoring system UL, ENERGY STAR and CE certified for application safety

  • Dual independent refrigeration systems, making the samples safer, The dual refrigeration systems run independently and alternately, and both of them can reach up to -80 °C through independent refrigeration.

  • Malfunction alarms including high and low temperature, power outage, sensor errors, high voltage and low voltage, clean-filter, and extremely high ambient, door ajar feature standard

  • Capable of producing two types of alarm outputs: audible buzzer and visible 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 USB port for temperature data downloading

  • Safety padlock compatible on outer door


Installation and Application

  • Wide range operating voltage system from 115V to 230V designed to allow units installed in areas with poor voltage condition

  • Suitable for 10 °C to 32 °C

  • Ambient temperature

  • Input voltage and ambient temperature shown simultaneously for ease of monitoring environmental conditions

  • Freezer design for global installations

  • Robust door latch designed for secure door closing and compact casters for ease of maneuvering

  • Low Sound Level

  • Freezer chassis designed to absorb vibration and sound

  • Energy Saving

  • Unique door seal and breaker design for the minimum loss of cold temperature during a door opening

  • High performance VIP insulation panels to minimize cabinet heat gain and to improve temperature stability

  • Patented cabinet insulation system designed for optimal performance of cold storage temperature and minimal frost buildup

  • Condenser fan intelligently start-stop to reduce power consumption

  • Unique design of independent insulated inner door systems for independent access of storage space to provide the maximum protection of stored samples and save energy



Model DW-86L729BPT
Technical Data Cabniet type Upright
Climate Class N
Cooling Type Direct cooling
Defrost Mode Manual
Refrigerant HC
Noise((dB(A)) 43.5
Performance Cooling Performance(oC) -86
Temp Range(oC) -40~-86
Control Controller Microprocessor
Display LCD
Electrical Data Power Supply(V/HZ) 100~230/50/60
Power (W) 1100
Electrical Current(A) 6
Dimensions Capacity(L/Cu.Ft) 729/25.7
Net/Gross Weight (approx) 350/385
Interior Dimension (W*D*H) 766*716*1310
Exterior Dimension (W*D*H) 1046*998*1980
Packing Dimension (W*D*H) 1100*1105*2150
Container Load(20'/40'/40'H) 10/20/20
Functions Remote Alarm Y
High/Low Temp Y
Hot Condenser Y
Power Failure Y
Sensor Error Y
Low Battery Y
High Ambient Temp Y
Door Ajar Y
Accessories Caster Y
Foot Y
Test Hole Y/2
Shelves/ Inner Doors 3/4
USB Interface Y
5V Power Supply Port Y
Temp Recorder Optional
485 Port Standard
CO2 Backup System Optional
LN2 Backup System Optional
Others Certificate CE、UL