Basically controls optimized speed by compressor's RPM(Speed) for energy efficiency. Enables speed control by low pressure or proportional input with simple handling.
Embeded essential function and alarms of various inverter, to help optimized solution with BLDC applications.
Main Application
Chiller Heatpump
Power supply
3Phase 380-400VAC ± 10% 50/60Hz
Max output/
Temp. range
35A / -20℃ + 60℃
Case/Type
Metal cover, Base / Fin Heatsink Cooling Fan x2
DC /AC/PFC Reactor
DC Reactor (Option) / N.A / N.A
Power Terminal
Screw Terminal type
IO
1 x RS485/MODBUS port(MMI or Setting display)
1 x A/I Outdoor fan control, HP alarm
1 x A/I Comp. frequency control & LP alarm
1 x A/I 1 NTC Compressor overheating trip KTC input
1 x A/I Temp. input(Proportional)
1 x D/I Inverter start signal input
1 x D/I LP control or Proportional control
1 x D/O Outdoor fan operation signal
1 x A/O Outdoor fan proportional output
1 x D/O Grading valve control signal (Comp restart)
1 x D/O Scroll type compressor liquid injection valve control output