REFTHEREFRIGERATION TECHNOLOGY
Danfoss · FC 103

Return oil at low speed

How to read the Oil Return Management function without transferring times and frequencies from one compressor to another.

Verified field

FC 103 · parameters 28-10...28-16 · approved OEM application

SEQUENZA DI LETTURA

Controls in order

  1. Confirm in the compressor document the minimum speed continues and the operating field allowed.
  2. Record time under the minimum speed, history of events and real conditions of the refrigerator circuit.
  3. Compare activation, boost speed, duration and range of function 28-10...28-16 with machine design.
  4. Check that the boost does not cause unwanted staging or destaging in the pack controller.

Primary source and documents

Open the official source la

♪ MG16H202 · 05/2016 · control 2026-10-22

Location: Programming Practical guides · Section 3.22.1 · Printed pages 188–190

Danfoss · FC 103

Programming and parameters

Programming · EN · FC103-PROG

Compressors: Check model, size, firmware and combinations approved by the manufacturer.

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Danfoss · FC 103

Design and integration — 2015 edition

Design · EN · FC103-DESIGN

Previous generation document: verify applicability to the installed drive.

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