Service manual

12-9
CONTROL SYSTEM
SM SX DCI 1-A.3 GB
12.7.3.2 Compressor Overheating Protection for DCI72/80
CTT
CTT Trend
Fast
Decreasing
Decreasing
No
Change
Increasing
Fast
Increasing
Cool Heat
CTT >105 CTT >105 SC SC SC SC SC
100≤ CTT <
105
100≤ CTT <
105
D1 D1 D2 D2 D2
98≤CTT <100 95≤CTT <100 SR SR D1 D2 D2
93≤CTT < 100 85≤CTT < 95 SR SR SR D1 D1
90≤CTT ≤ 93 80≤CTT ≤ 85 Norm Norm Norm SR SR
CTT <90 CTT <80 Norm
12.7.4 Compressor Over Current Protection Only For DCI50/60/72Z
Normal
Stop-Rise
HzDown1
HzDown2
Stop-Compresor
CCROC1
CCROC2
CCROC3
CCROC4
CCR
12.7.5 Heat Sink Overheating Protection
12.7.5.1 Heat Sink Overheating Protection For DCI50/60/72Z
HST
HST Trend
Fast
Decreasing
Decreasing No Change Increasing
Fast
Increasing
HST ≥ 90 SC SC SC SC SC
85 ≤ HST < 90 D1 D1 D2 D2 D2
82 ≤ HST < 85 SR SR D1 D2 D2
80≤ HST< 82 SR SR SR D1 D1
78 ≤ HST ≤ 80 Norm Norm Norm SR SR
HST < 78 Norm
CONTENT