Danfoss VLT CDS 803 Operating Guide

4.3 Start-up Quick Guide for Compressor Functions
28-11 Low Speed Running Time
120 s
5
28-01 Interval between Starts
e30bd874.13
28-02 Minimum Run Time
3
28-00 Short Cycle Protection
[1]
Enabled
1
28-10 Oil Return Management
[1] On
4
2
300 s
60 s
28-12 Fixed Boost Interval
24 h
6
28-13 Boost Duration
60 s
7
28-17 ORM Boost Speed [Hz]
80Hz
8
Illustration 14: Compressor Functions Quick Guide
Table 16: Compressor Functions
Parameter Option Default Function
Parameter 28-00 Short Cycle Protection [0] Disabled
[1] Enabled
[1] Enabled Select if short-cycle protection is to be used.
Parameter 28-01 Interval between Starts 0–3600 s 300 s Enter the minimum allowed time between starts.
Parameter 28-02 Minimum Run Time 10–3600 s 60 s Enter the minimum allowed time to run before stop.
Parameter 28-10 Oil Return Management [0] Off
[1] On
[1] On Select if oil return management is to be used.
Parameter 28-11 Low Speed Running Time 1–1440 min 120 minutes Enter the low speed running time.
Parameter 28-12 Fixed Boost Interval 1–168 h 24 h Oil boost is performed at fixed time intervals.
Parameter 28-13 Boost Duration 60–300 s 60 s Enter the boost duration for the oil return.
Parameter 28-17 ORM Boost Speed [Hz] 90–200 Hz 120 Hz Enter the speed of the compressor during oil return
boost.
Programming
Operating Guide | VLT® Compressor Drive CDS 803
AQ321748767627en-000101 / 130R0570
30 | Danfoss A/S © 2019.12

Danfoss VLT CDS 803 Specifications

General

Brand	Danfoss
Model	VLT CDS 803
Category	DC Drives
Language	English