Service manual

13-2
CONTROL SYSTEM
SM DLF 1-A.1 GB
SW 35V14 and above
NLOAD Target Frequency [Hz]
0 0
0 < NLOAD ≤ MinFreq MinFreq
> MinFreq
Differences between Old and New ODU DCI/DCR software
Unit Current software New software
DCI 35V12 35V14
Comment: there is no use for 35V13 software. This software is used in the past for Nordic countries. However, currently
it’s stopped completely from being used.
Graphical Illustration:
Mode
During initial period
(Start Phase)
After initial period
(Run Phase)
MaxFreq
Cool MaxFreqC MaxFreqCRunPhase
Heat MaxFreqH MaxFreqHRunPhase
MinFreq
Cool MinFreqC
Heat MinFreqH
LoadDeadZone
Cool LoadDeadZoneC
Heat LoadDeadZoneH
#Name
A
Single
DCI-25
B
Single
DCI-35
C
Single
DCI-50
D
Single
DCI 60
E
Duo
50
F
DCR
50
G
Duo
Delta38
H
Trio
Delta52
I
DCR
50T
1 MinFreqC 30 33 20 20 20 20 38 20 20
2 MaxFreqC 64 80 85 95 97 77 93 100 77
3 MaxFreqCRunPhase 64 80 85 95 97 77 85 95 77
4 MinFreqH 30 35 20 26 26 26 38 25 26
5 MaxFreqH 81 93 95 94 106 79 100 100 79
6 MaxFreqHRunPhase 81 93 95 94 106 79 90 95 79
7 LoadDeadZoneC 90 95 95 111 97 90 93 127 90
8 LoadDeadZoneH 127 127 127 127 106 127 100 100 127
MinFreqMinFreq}ne)LoadDeadZo(NLOAD,{min
MinFreqneLoadDeadZo
MinFreqMaxFreq



)
(
MinFreq
MinFreq
MaxFreq
MaxFreq
Target
Frequency
127LoadDeadZone
NLOAD
Minimum Allowed
Linearization
Maximum Allowed
Linearization
LoadDeadZone
allowed in this range
CONTENT