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It can be installed in various places such as corridors, stairs, and rooftops.

1. Low Noise By adopting a low-noise enclosure that reconsiders the structure of the intake and exhaust ducts, we have achieved low noise levels. 2. Oil Fence Function (15~75kW) In the unlikely event that oil leaks onto the frame, the oil fence prevents the outflow of oil to the outside. 3. Outdoor-Only Hood Adoption A dedicated hood that minimizes the intrusion of rainwater into the machine has been adopted. The top cover and door seals use automotive-style insertion seals. Additionally, a levee structure blocks rainwater. Bolts made of rust-resistant stainless steel are used. The intake for cooling air features a louver structure that makes it difficult for rainwater to enter. The compressor's intake and exhaust ports utilize a labyrinth structure, while the dryer side exhaust port employs a V-shaped louver structure (OSD15~75), creating a pathway for any intruding rainwater to flow outside. Furthermore, the labyrinth and V-shaped louver structures also contribute to noise reduction.

■Inverter + Purge Unloader + Automatic Stop ■Achieving Class NO.1 Air Volume

■Class-leading air discharge volume The new screw tooth design provides top-class air discharge volume. ● 8% increase over the conventional 15 kW model, 2.6 m³/min ● 14% increase over the conventional 22 kW model, 4.2 m³/min ● 15% increase over the conventional 37 kW model, 7.0 m³/min ■Energy-saving mechanism ● Built-in direct connection structure (22 kW, 37 kW) By adopting a permanent magnet synchronous motor (IPM motor) with the new tooth design screw rotor, we improve basic performance, motor efficiency, and eliminate mechanical losses. ● Capacity control (purge control) operation When the air consumption decreases and the operation at the minimum rotation continues for a certain period, the rotation speed increases, and the discharge pressure rises quickly to transition to purge operation and automatic stop, achieving energy savings. ● Q-Start By predicting the stop time according to the increase or decrease in air consumption and automatically stopping, we achieve energy savings. Additionally, by raising the service air pressure before stopping, we extend the stop time to save energy. When the discharge pressure drops to the control pressure, it starts without waiting (Q-Start), preventing a drop in line pressure.

■ ACCS + Purge Unloader + Automatic Start/Stop ■ Achieves Class No. 1 air volume

■Class-leading air discharge volume The new screw tooth design provides top-class air discharge volume. It achieves up to 14% more air discharge volume compared to conventional models. ■Energy-saving mechanism ● ACCS + purge control + automatic start-stop By lowering the unload (purge) start pressure by up to 0.06 MPa, approximately 3% of power is saved. ● ACCS (automatic pressure width adjustment control) The unload start pressure is automatically adjusted up or down according to the air consumption, achieving energy savings. ● Automatic start-stop function When air consumption decreases, if it is possible to predict the stop time during purge operation, the discharge pressure is temporarily increased to extend the stop time for energy savings, while also reducing the motor load during restart. ■Protection mechanism ● Three-stage detection of discharge air temperature Early response is possible by detecting the discharge air temperature in three stages. A) 105°C: Alarm indicated by lamp display B) 108°C: Lower the unload (purge) start pressure to operate and reduce discharge temperature. C) 110°C: Compressor stops.