Electra LEX 25 DCI Service Manual page 72

CONTROL SYSTEM
12.7.2.2 Indoor Coil Overheating Protection For DCI 72 / 80
ICT
ICT >62
60 ≤ ICT < 62
58≤ ICT <60
56≤ ICT < 58
54≤ ICT < 56
52≤ ICT ≤ 54
ICT <52
12.7.3 Compressor Overheating Protection
12.7.3.1 Compressor Overheating Protection for DCI 50 / 60 / 72 Z
Compressor temperature can be in one of 5 control zones (4 in protection, and 1 normal),according
to the following chart.
CTT
105
102
98
94
Control Status
P1
P2
P3
Stop Compressor
12-8
<-2 -2
SC SC
D1 D1
SR SR
SR SR
Norm Norm
Norm Norm
Stop-Compressor
P3
P2
P1
Normal
Compressor Temperature
Increases
Normal
HzDown 1
HzDown 2
Stop Compressor
CONTENTS
ICT Trend
-1,0,1
SC SC
D2 D2
D1 D2
SR D1
SR SR
Norm SR
Norm
Else
Stop Rise
Stop Rise
HzDown 1
SM LEXDCI 1-E.1 GB
2 >2
SC
D2
D2
D2
D1
SR