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Super Low Temperature (SLT) Freezer
（DW-150W200）
Operation Manual
Contents
Before Use
Product Features-----------------------------------2
Parts Name -----------------------------------3
Safety Precautions----------------------------------4
Installation Location-------------------------------6
In Use
Preparations and Operation Procedures------7
Control Board Adjustment---------------------9
Maintenance & Servicing
Defrosting · Non-use-----------------------------12
Cleaning--------------------------------------------13
Q & A-----------------------------------------------14
After-sales Service------------------------------- 15
Technical Parameter
Schematic Circuit Diagram------------------ 18
Please read this manual carefully before using the freezer.
Please keep this manual in a safe place for future reference.
The freezer is designed for preserving various articles at low temperature for such departments as
clinic, medicine, scientific research and quarantine, etc.