User Instructions Low Temperature Freezers Model UNI
SAFETY INFORMATIONS The UNI freezers contains environmentally friendly but flammable refrigerants. It means danger of explosion if for any reason the refrigerants are allowed to escape from the system. The refrigeration system must never be accessed by unauthorized personal. When transporting and installing the unit, ensure that no part of the tubing system is damaged. If the tubing is damaged and leak occurs, avoid any ignition sources and naked flames near the unit, and ventilate the room immediately.
USER INSTRUCTIONS Congratulations with your new freezer, we feel certain that it will be very useful to you for many years ahead. To obtain optimal benefit from your freezer, please read the following instructions thoroughly and act accordingly. The low-temperature freezers are used for freezing and long-term storing of food products, medical preparations (vaccines, blood plasm, ect.) and other biological products. 1.
Al l owami ni mum of50mm ( 2” )c l e a r a nc eon the side and the back. The side with the ventilation grill should have ac l e a r a nc eofa tl e a s t100mm ( 4” )i nor de rt o allow the heat from the compressor motor to dissipate. Underneath the appliance these should be a gap of 15 mm approx. (1/2” ) . On a soft surface, e.g. carpet, it may be necessary to ensure the correct distance by means of spacers. is blown. If not please go to trouble shooting page 5. 8.
compartment grill, and clean the compressor compartment eventually with a vacuum cleaner. If the cleaning process is neglected there is a risk that the performance of the freezer will be effected, and even damage to the compressor could occur due to overheating. 13. Dixell controller 14. Functions How to see the set point: 1. Press and immediately release the SET key, the display will now show the set point value. 11.
15. Setting the controllers offset value The freezer is designed for long time and safe storage of sensitive food products. In some situations, the UNI freezer is also used for other applications like in laboratories for different low temperature test. Depending on the actual situation it might be necessary to change the controllers offset value in order to get a correspondence between the reading on the display and the actual temperature inside the cabinet. 16.
Digital controller with off cycle defrost and AUX relay XR30CH 4. FRONT PANEL COMMANDS CONTENTS 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. 12. 13. 14. 15. 16. 17.
7. PARAMETERS 6.2 HOW TO CHANGE THE SETPOINT 1 . Pu s ht h eSET k e yf o r mo r et h a n2s e c o n d st oc h a n g et h eSe t p o i n t v a l u e . 2 . Th ev a l u eo f t h es e t p o i n t wi l l b ed i s p l a y e da n dt h e ° Cor ° FL EDs t a r t sblinking; 3 . 4 . Tome mo r i s et h en e ws e t p o i n t v a l u ep u s ht h eSET k e ya g a i no r wa i t 10s. REGULATION Hy Differential:( 0 , 1÷2 5 , 5 ° C /1 ÷2 5 5° F)I n t e r v e n t i o nd i f f e r e n t i a lf o rs e tp o i n t .
CONDENSER TEMPERATURE ALARM (detected by the fourth probe) AP2 Probe selection for temperature alarm of condenser: nP =n op r o b e ; P1 = t h e r mo s t a t p r o b e ; P2 = e v a p o r a t o r p r o b e ; P3 = c o n f i g u r a b l ep r o b e ; P4 = Pr o b eo nHo t Ke yplug. AL2 Low temperature alarm of condenser: (5 5 ÷1 5 0 ° C)when this temperature is reached t h eL A2a l a r mi ss i g n a l l e d , p o s s i b l ya f t e r t h eAd 2delay.
12.1 PROBE CONNECTION 15. TECHNICAL DATA Th ep r o b e ss h a l l b emo u n t e dwi t ht h eb u l bu p wa r d st op r e v e n t d a ma g e sd u et oc a s u a l l i q u i di n f i l t r a t i o n .I ti sr e c o mme n d e dt op l a c et h ethermostatp r o b ea wa yf r o ma i r s t r e a mst oc o r r e c t l yme a s u r et h ea v e r a g er o o mt e mp e r a t u r e .
17. FACTORY SETTINGS DIXELL XR30CH Lable LS OdS 17. D E F A U L T S E T T I N G V A L U E S rES dLy IdF MdF dFd dAd ALc ALU ALL AFH ALd dAo tbA ArO ALF bon AoP i1P i1F did nPS odc rrd HES Adr.
User Instructions Low Temperature Freezers Model UNI S i d e 11 | 14
User Instructions Low Temperature Freezers Model UNI S i d e 12 | 14
User Instructions Low Temperature Freezers Model UNI S i d e 13 | 14
User Instructions Low Temperature Freezers Model UNI S i d e 14 | 14