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176F2666 Danfoss

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Internal Product Review

The 176F2666 is a Danfoss VLT 6000 HVAC drive rated for 11 kW / 15 HP at 380-460 VAC. A compact IP20 enclosure and integrated LCP support simplify panel installation and local setup. Class A1 and B RFI filtering adds strong electrical noise control, making this drive a very capable HVAC choice.

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Product Description:

The 176F2666 is a variable frequency drive manufactured by Danfoss for the VLT 6000 HVAC Drives series. In ventilation and hydronic systems, it adjusts induction motor speed so building automation controllers can match fan or pump output to real-time demand, improving energy efficiency and reducing mechanical stress. The drive belongs to the HVAC Drives product type and is intended for fixed installations inside control cabinets that provide suitable protection for its enclosure. Its variable-speed output can reduce unnecessary motor operation during periods of low demand while supporting stable airflow or fluid circulation.

This model accepts a three-phase mains supply of 380–460 VAC and provides an output rating of 11 kW or 15 HP. The enclosure has a compact IP20 design, so the electronics are protected against finger contact but require installation in a clean cabinet. To mitigate conducted emissions, the unit integrates a Class A1 and Class B filter, which helps control electrical noise transmitted through connected power lines. Local setup and manual control are available through the front-mounted LCP (Local Control Panel). This detachable keypad provides parameter access, operating status, and basic start and stop functions without requiring separate control equipment. The three-phase input and adjustable output make the drive suitable for controlling compatible induction motors used in commercial HVAC equipment.

The electronics are supplied without a conformal coating on the printed circuit boards, making the drive suitable for conditioned indoor environments where moisture and airborne contaminants are controlled. The internal hardware is configured as a standard unit with the baseline IGBT stage, gate drivers, and thermal sensors used by the platform. The order code identifies the intended application as Graham. The unit is supplied without application-specific adapters, and its fieldbus slot remains unpopulated. A compatible PROFIBUS, BACnet, or LonWorks card can be installed later if the control system requires network communication. Until a communication card is added, the local panel and available hardwired control connections can be used to operate and monitor the drive.

Application
Graham
Application Option
No options
Conformal Coating
No coating
Display
With LCP (Local Control Panel)
Enclosure Type
Compact IP 20
Fieldbus
No options
Hardware
Standard unit
Power Rating (kW/HP)
11/15
Product Type
HVAC Drives
RFI Filter
Class A1 and B filter
Voltage
380-460 VAC

Frequently Asked Questions about 176F2666:

Q: What is the power rating of the Danfoss 176F2666 HVAC drive?

A: This model offers a power rating of 11 kW or 15 HP, allowing for reliable operation in medium-sized HVAC systems.

Q: Does the 176F2666 drive include a built-in display panel?

A: The 176F2666 comes equipped with a Local Control Panel (LCP) display for direct parameter adjustment and monitoring.

Q: What input voltage range does the 176F2666 HVAC drive support?

A: This drive is designed for systems operating on a voltage range of 380 to 460 VAC.

Q: What enclosure protection type does the Danfoss 176F2666 offer?

A: The enclosure is a compact IP 20 type, providing basic protection against solid objects.

Q: What type of RFI filter is included with the 176F2666 HVAC drive?

A: A Class A1 and B RFI filter is integrated with this drive to reduce electromagnetic interference.

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