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131L9799 Danfoss

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The Danfoss 131L9799 is part of the VLT FC 101 HVAC Basic Drives series and is rated for 7.5 kilowatts of power, supporting three-phase input at 200 to 240 volts AC. This drive offers a coated PCB, has a protection level of IP20, and features an RFI class A1 (C2) filter. It delivers 10 horsepower and includes standard cable entries without a local control panel.

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Product Description:

The 131L9799 is an AC variable-frequency drive manufactured by Danfoss for the VLT FC 101 HVAC Basic Drives series. Within an air-handling unit or chilled-water loop, the drive adjusts induction motor speed so building management controllers can maintain temperature and pressure setpoints without operating motors continuously at a fixed line frequency. By converting fixed incoming power into a regulated output waveform, the product supports energy-efficient operation of fans and pumps in industrial and commercial ventilation systems.

The inverter supplies a continuous shaft capacity of 7.5 kW for compatible HVAC motors. It connects to plant power through a 200–240 VAC input rated for three-phase distribution, making it suitable for common industrial power systems within that voltage range. Its chassis-mounted design has an IP20 chassis protection level and is intended for installation inside a ventilated control cabinet that restricts access to electrical components. The integrated RFI class A1 (C2) filter limits conducted emissions and supports operation in applicable industrial electromagnetic compatibility environments. The drive does not contain a brake chopper, so a dynamic braking resistor cannot be connected directly to an internal braking circuit. An external disconnecting device must also be provided when the installation requires local isolation from the incoming power supply.

Cabling passes through standard cable entries under Adaptation A, supporting conventional cabinet wiring without special entry hardware. Adaptation B adds no special mechanical plates or glands, leaving enclosure preparation and cable management to the surrounding cabinet layout. The power section uses a coated PCB that improves resistance to airborne humidity and contaminants commonly found in rooftop mechanical rooms and ventilation equipment spaces. The drive has no local control panel, so parameter entry, status viewing, and operating adjustments require remote tools or a compatible plug-in LCP. Application-specific relay and I/O boards are not factory-installed, and the C0 and C1 positions do not contain additional motion-control or electromagnetic compatibility modules.

A Option
No A Option
Adaptation A
Standard Cable Entries
Adaptation B
No adaptation
B Option
No B Option
Brake - Safe Stop
No brake chopper
C0 Option MCO
No C0 option
C1 Option
No C1 option
Coating PCB
Coated PCB
D Option
No D option
Horse Power
10 HP
LCP
No Loc. Cont. Panel
Mains Option
No Mains Option
Mains Voltage
200 - 240 VAC
Phase Rating
Three phase
Power Rating
7.5 KW
Product Group
VLT HVAC Drive
Protection Level
IP20 / Chassis
RFI Filter
RFI class A1 (C2)
Series
101

Frequently Asked Questions about 131L9799:

Q: What phase rating does the Danfoss 131L9799 VLT FC 101 HVAC Basic Drive have?

A: This drive supports a three phase power supply connection.

Q: What is the power rating for the VLT FC 101 131L9799 drive?

A: The Danfoss 131L9799 offers a power rating of 7.5 KW.

Q: What type of protection level does the 131L9799 HVAC drive provide?

A: This unit features a protection level classified as IP20 with an open chassis design.

Q: What is the supported mains voltage range for the Danfoss 131L9799 drive?

A: The 131L9799 operates at a mains voltage range from 200 to 240 VAC.

Q: What RFI filter classification is provided with the Danfoss 131L9799 VLT FC 101 drive?

A: The 131L9799 model includes an RFI filter rated at class A1 (C2).


Internal Product Review

  • ‘‘The Danfoss 131L9799 is a VLT FC 101 HVAC basic drive with 10 HP output. A coated PCB and RFI class A1 (C2) filtering support clean, stable performance in HVAC panels. IP20 chassis protection makes the drive a strong choice for controlled enclosure installations.’’

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