4.3 Start-up Quick Guide for Compressor Functions
28-11 Low Speed Running Time
120 s
5
28-01 Interval between Starts
e3
0b
d8
74
.1
3
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
Summary of Contents for VLT CDS 803
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