Instruction manual ultra-low temperature freezer model : lf-300d labnics equipment please read this manual carefully before using the instrument.
Thank you for buying a labnics freezer! For your personal safety and better performance of the unit, please read this instruction manual thoroughly and save it properly for future reference. Failure to read, understand and follow the instructions given in this manual may result in damage to the unit...
Table of content chapter content page no. 1 schematic picture and description 1 2 pre-installation 2 3 operation direction 2 3.1 using for the first time 2 3.2 adjust the temperature 4 3.3 function setting 5 4 defrost, unused, maintenance 6 5 service after sale 7 6 technical information 8 7 circuit ...
- 1 - chapter1. Schematic picture and description:- ultra-low temperature freezer is designed to store materials under very low temperature condition for hospitals, epidemic stations, blood banks, research institutes, universities, biological pharmaceutical industries and gene engineering, etc. The ...
“6 ” “5 ” - 2 - pa print set o - 40.0 c o - 40.0 c up up down o - 40.0 c lf-300d enter o - 40.0 c down chapter 2. Pre-installation:- 1) how to transport: pick up the unit from the bottom of tank and a slant with 45° is acceptable. All transportation should be done carefully. Chapter 3. Operation dir...
- 3 - “enter” “pa” “time” temp.Setting “ltl” “htl” “print” “comp” “high alarm” “low alarm” “print port” “output” “fault” : press this key to activate all parameter adjustments. Under alarm status, press this key which wills stop the alarm buzz and "mute" displays in lcd window. : keyboard locking fu...
- 4 - 3.2 initial start-up:- a. Connect the power supply so that the unit immediately comes to working status. B. The initial password for locking keyboard is "0000" in factory. Before entering the password, the "set", "6 " and "5 " keys are all disabled while "pa" displayed in lcd window. C. Enter ...
- 5 - 3.3 functions setting:- a) set high temperature limit (htl):- press the "set" key, the system switches to "htl" state and now you can set the alarming htl of up and down cabinets. Lcd windows display the current setting value with the ten bit of up cabinet temperature blinking first. Press the...
- 6 - e) auto print: press the "print" key; system switches to auto print mode. Now auto displays in the lcd window and the print indicator lamp changes to normal bright state. Under this mode press the print key of printer to automatically print the recorded data. All data are printed per 5 minutes...
- 7 - chapter 5. Service after sale:- some unexpected failures may arise during running. Please pay attention to the running status of your lf-300d freezer. If any exceptional case arises, please check and solve it according to the following introductions. If the problem is not solved well, please c...
Thermometer compressor m1 start relay m2 cool fan l n microcomputer controller - 8 - chapter 6. Technical specifications:- model no. Lf-300d climatic type n o internal temperature -10 ~ -40 c useful capacity (l) 208 rated voltage (v) 220 rated frequency (hz) 50 input power (w) 375 safety type i clas...
Customer’s address : service report contact person / designation : tel.No.: fax no.: weekly off.: dept.: date nature of problem : observation & action taken : customer’s remarks : parts replaced : parts recommended / action required : yes service engineer’s name & signature requisition number : cust...
