PREFERED DEALER HITACHI AIRCONDITIONERS SYSTEM DESIGNING 102 Aagam Complex Nr. Vasna Tel. exchange Pratapkunj Ahmedabad india Tfax.:- 91 79 26631673 Mobile 9825024651 E-mail :- sdesign_trs@yahoo.com Setfree AC New-type Scroll Compressor Uses a high-pressure scroll-type compressor with improved quality and reliability of compressor mechanism materials. DC Compressor (24 & 30 HP Units) By using DC, the performance is improved at around 30-40 Hz where the operation time of the invertor compressor is longest. Also, to suppress electromagnetic noise interference and achieved low noise, the rotor has been divided into two and the electric pole displaced. High-performance Heat Exchanger A new high-performance heat exchanger has been developed with improved piping arrangement . Self-diagnostic System The self-diagnosis result is shown on a digital display via control from either a remote control (relating to indoor units) or one of the outdoor units. This air conditioning system can be checked for operation even through the printed circuit board in the outdoor unit, allowing you to carry out inspection work and/or take remedies more quickly and correctly.