1. Germany semi-hermetic screw compressors．bearings longevity will ensure long—term operation；
2. Double-conditioning compressor energy,follow customer demand made adjustments to achieve energy saving effect.
3. Condenser and evaporator meet national needs the highly efficient heat exchanger performance．and maintenance
convenience.
4. Controller dilate in good condition and can facilitate the expansion and upgrading of hardware and procedures.
5. Watchdog technology to the micro-computer controller hardware components with self-diagnostic capabilities，automated troubleshooting；
6. Equipped with the high stability of memory,storage capadty of 512K procedures Interfacing to the power outages and
maintain data capacity,and also a substantial loss of data storage；
7. Screen Protection System which allows for a unique auditorium screen life span of l0 years or more.
8. Inquiries can be functional fault by fault and fault statistics serial number,the number of failures occurred and to analyze the causes for failure to be improved;
9. Actual temperature and can be done at anytime to check points set changes，in addition to an hour and a one-day show on the temperatu re CuⅣe
10.Machine with remote controI switches can be realized by a timer switch planes and weekly macheine timer switch
  applications Switching planes can be set up 3 pe r day,
11. Switching to support multiple languages online.

 （双机）