1. YDS None Modular Digital Scroll R-22 50 Hz		2. YDS Modular Digital Scroll R-22 50 Hz
Variable compressor High efficiency High efficiency Space saving Simple installation and easy maintenance Flexible control system No electromagnetic interference. More Info>		Variable compressor High efficiency Long& Single piping Space saving Simple installation and easy maintenance Flexible control system No electromagnetic interference. Free combination, wide capacity range. Accurate temperature control. Double four-way valve designed. More Info>
3. YDS None Modular Digital Scroll R-22 60 Hz		4. YDS None Modular Digital Scroll R-410A 50 Hz
Variable compressor High efficiency Long& Single piping Space saving Simple installation and easy maintenance Flexible control system No electromagnetic interference. More Info>		Variable compressor High efficiency Long& Single piping Space saving Simple installation and easy maintenance Flexible control system No electromagnetic interference. More Info>
5. YDS Modular Digital Scroll R-410A 50 Hz		6. YDS None Modular Heat recovery system R-410A 50 Hz
Variable compressor High efficiency Long& Single piping Space saving Simple installation and easy maintenance Flexible control system No electromagnetic interference. Free combination, wide capacity range. Accurate temperature control. Double four-way valve designed. Reliable running More Info>		Variable compressor Cooling and Heating synchronously Heat recovery, more energy-saving Space saving Simple installation and easy maintenance Flexible control system Accurate temperature control. Advanced oil return technology. More Info>