IN STRUC TION MANUA L Laboratory Equipment Pty Ltd email: sales@labec.com.au Ph: 02 9560 2811 • Fax: 02 9560 6131 www.labec.com.
Ultra Low Temperature Freezer Operation Manual Models DW-FL90,DW-FL135 and DW-FL270 Thank you for buying a Labec ULT freezer. For your personal safety and better performance of this unit, please read this Operation Manual thoroughly and store it properly for future reference. Failure to read, understand and follow the instructions in this manual may result in damage to the unit, injury to operating personnel and poor equipment performance. The material in this manual is for information purposes only.
Schematic Picture and Description Due to freezer amelioration and model differences, your unit may not be the same as this photo. Our series of Ultra-low temperature freezers are designed to store materials under very low temperature condition for hospitals, epidemic stations, blood banks, research institutes, universities, the biological pharmaceutical industry and gene engineering, etc. The internal temperature of the cabinet can be easily adjusted through the keys on control panel.
Level clear floor surface. The ambient temperature of the room where the unit is placed should not exceed 32℃. Not subject to mechanical vibration or shock. Do not place in high traffic areas. Do not leave in direct sunlight. Do not place in a dust prone area. Do not place unit in a draft prone location. Keep away from heat sources such as autoclaves, heating diffusers, radiators, or other sources.
3 Operation Directions 3.1 First Time Use Use warm water and mild general purpose cleaner to clean the freezer, rinse with clean water and then dry. To set the freezer at -40℃: Set temperature at -35ºC and connect to power. The compressor will start up after 3 minutes, check in 30 minutes, if freezer temperature has obviously dropped, it means the refrigeration system is operating normally. Once the unit reaches -35ºC the compressor will stop, at this time you can change the set temperature to -40ºC.
When sensor plough,LED glittering and show “E1”,Alarm with buzzer.; When sensor short curcuit, LED glittering and show “E2”,Alarm with buzzer. Exceed temperature range alarm: When sensor temperature more than+99℃ or less than -50℃,Will show“HH”or“LL”。 Press "Mute" more than 2seconds,Temperature control system close. 4 Defrosting and Maintenance 4.1 Defrosting There will be some frost build up on the surfaces of chamber after a long time running which may decrease the performance of freezer.
An independent temperature checks of temperature in the chamber and the displayed temperature on the Temperature Controller should be carried out. All alarms should be tested. 5 Trouble Shooting and After Sales Service Some unexpected failures may arise during running. Please pay attention to the running status of your ULT freezer. If any problems arise, please check and solve it according to the following trouble shooting list.
6 Specifications 6.1 Technical Parameters Model DW-FL90/135/270 The facility safe types I Kind B Type Climatic Type N Input Power(W) 280/280/320 Storing Temperature -10~-40℃ Refrigeration R507/100g 90/135/270 Size (depth x width x height) (mm) 623x544x842 623x544x1123 620x600x1750 220 Rating frequency (Hz) 50 Valid Capacity (L) Rating Voltage (V~) 6.2 Packing List Item Operation Manual Key Defrost shovel Qty 1 2 1 6.