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Danfoss VLT HVAC Basic Drive FC 101 131L9866

Danfoss VLT HVAC Basic Drive FC 101 131L9866: documented motor-control role; verify exact unit details before service or replacement.

System role and interfaces

Rebuilt from individual evidence

Unknown: evidence boundary

The exact reference 131L9866 is identified in the captured record as Danfoss VLT HVAC Basic Drive FC 101.

Danfoss documents the VLT HVAC Basic Drive FC 101 as a drive installed between mains power and a motor, with HVAC operating and monitoring functions. The captured record gives the model scope as 4.0 kW / 5.5 HP, three-phase 380-480 VAC, IP20 chassis.

At system level, the documented role places 131L9866 in the motor-control path between upstream control or supply and the connected machine motor. This sentence is an inference from the cited identity and integration facts.

Unknown: the individual unit's condition, firmware or project configuration, installation compatibility, current stock, price, warranty, and repair outcome.

Exact reference
131L9866
Category
Drives / VFD
Evidence checked
2026-09-11

System role

This section explains what the product does and where it acts in the surrounding system.

Function
Controls the connected motor or motion system as a Danfoss VLT HVAC Basic Drive FC 101 within the documented Danfoss VLT HVAC Basic Drive FC 101 family.
System position
Sits in the motor-control path between configured control logic or mains input and the connected industrial motor.
Upstream / inputs
Receives configured control commands and electrical input from the upstream control or supply section.
Downstream / outputs
Passes controlled electrical output or motion through the documented drive or motor interface toward the machine.
Limitations
Unknown: the individual unit's condition, firmware or project configuration, installation compatibility, current stock, price, warranty, and repair outcome.

Evidence ledger

Facts, inferences, and unknowns are kept separate.

Facts

  • The exact reference 131L9866 is listed as Danfoss VLT HVAC Basic Drive FC 101.

    Confidence: medium

  • Danfoss documents the VLT HVAC Basic Drive FC 101 as a drive installed between mains power and a motor, with HVAC operating and monitoring functions. The captured exact-reference record describes this item as 4.0 kW / 5.5 HP, three-phase 380-480 VAC, IP20 chassis.

    Confidence: high

Inferences

  • 131L9866 sits in the motor-control path between configured control logic or mains input and the connected industrial motor.

    Confidence: high

    Rationale: The exact-reference record establishes the model family and the manufacturer document establishes its drive or motor-control integration role; the system position is stated as an inference.

Unknowns

  • Unknown: the individual unit's condition, firmware or project configuration, installation compatibility, current stock, price, warranty, and repair outcome.

    Confidence: low

    Missing evidence: No unit-level inspection, project file, or current commercial record was captured in this individual lookup.

System position diagram

Flow from upstream control or supply through 131L9866 to a connected industrial motor.

Reading limit: system position only, not a wiring or safety drawing.

Evidence-supported system position for 131L9866; this is a conceptual role diagram, not wiring or safety instruction.

Enlarged system diagram

Flow from upstream control or supply through 131L9866 to a connected industrial motor.

Evidence-supported system position for 131L9866; this is a conceptual role diagram, not wiring or safety instruction.

View Mermaid source
flowchart LR
  upstream["Upstream control or supply"] -->|configured input| unit["131L9866 Danfoss VLT HVAC Basic Drive FC 101"]
  unit -->|controlled motor interface| motor["Connected industrial motor"]
View diagram labels
Nodes
Upstream control or supply; 131L9866 Danfoss VLT HVAC Basic Drive FC 101; Connected industrial motor
Edges
Configured control or electrical input; Controlled motor interface

Next action

Use the evidence-supported family role as a starting point, then verify the nameplate, installation, configuration and electrical ratings before service, replacement or commissioning.

Unknown: unit condition, configuration, installation compatibility and current commercial status require separate checks before a sourcing or replacement decision.

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