178B3775 Danfoss
Wake Industrial LLC is not an authorized distributor of this product.
MPN: VLT6032GT4CN1STR0DLF00A30C0
The Danfoss 178B3775 is an HVAC drive from the VLT 6000 HVAC Drives series, offering a power rating of 22 kW or 30 HP and supporting a voltage range of 380 to 460 VAC. It comes in a compact NEMA 1 enclosure, features a local control panel display, and is produced as a standard unit without a conformal coating or RFI filter.
Internal Product Review
The Danfoss 178B3775 is a VLT 6000 HVAC drive rated for 22 kW / 30 HP and designed for 380-460 VAC operation. The included Local Control Panel supports efficient commissioning, while the compact NEMA 1 enclosure fits well in indoor HVAC installations. A strong standard-drive option for dependable HVAC control.
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Product Description:
The 178B3775 is an AC variable frequency drive produced by Danfoss for the VLT 6000 HVAC Drives series. It manages fan and pump motors in building systems so that airflow, water circulation, and compressor speed can follow the load requested by the automation system. The drive performs this task by adjusting the output frequency and voltage supplied to the connected motor, allowing continuous speed control. Reducing motor speed during periods of lower demand can decrease energy consumption while maintaining the required system output.
The drive accepts three-phase power from 380–460 VAC, making it suitable for common industrial and commercial power systems. Within this input range, it supports a motor rating of 22 kW (30 HP), which is appropriate for medium-sized air-handling and chilled-water equipment. The Compact NEMA 1 enclosure is intended for installation in clean, dry indoor electrical rooms where additional protection from water and heavy dust is unnecessary. Setpoints and operating parameters are entered through an included Local Control Panel (LCP) mounted on the front of the unit. The panel provides dedicated keys and a display for parameter entry, manual starting and stopping, operating status, and alarm information.
The drive uses uncoated printed circuit boards, so it should be installed in an area free from corrosive vapors and excessive airborne contamination. It has no integrated filter, which may require external electromagnetic compatibility measures when sensitive instrumentation shares the same power supply. The fieldbus slot includes no communication options, leaving the hardwired input and output terminals as the primary interface for commands and status signals. The hardware is configured as a standard unit, using the baseline parameter structure and cooling arrangement for this model. Its application code is Graham, which applies internal defaults intended for the associated building-control profile. These defaults include settings for functions such as fan control references and proportional-integral-derivative regulation, while the Local Control Panel remains available for adjustments required by the installed system.
