Electra LEX 25 DCI Service Manual page 55

CONTROL SYSTEM
11.7.2 Indoor Coil over Heating Protection
ICT ICT Trend
Fast
Decreasing
ICT > 55 SC
53 <ICT ≤ 55 D1
49 < ICT ≤ 53 SR
47 < ICT ≤ 49 SR
45 < ICT ≤ 47 Norm
43 < ICT ≤ 45 Norm
ICT ≤ 43 Normal
11.7.3 Compressor over Heating Protection
Compressor temperature can be in one of 5 control zones )4 in protection, and 1 normal(,
according to the following chart.
CTT
CTTOH4
CTTOH3
CTTOH2
CTTOH1
Control Status
P1
P2
P3
Stop Compressor
11.7.4 Compressor over Current Protection
CCR
CCROC4
CCROC3
CCROC2
CCROC1
11-6
Decreasing No Change
SC SC
D1 D2
SR D1
SR SR
Norm SR
Norm Norm
Stop-Compresor
P3
P2
P1
Normal
Compressor Temperature
Increases
Norm
D1
D2
SC
Stop-Compresor
HzDown1
Normal
CONTENTS
Increasing Fast
Increasing
SC SC
D2 D2
D2 D2
D1 D2
SR D1
SR SR
Else
SR
SR
D1
HzDown2
SM LEXDCI 1-E.1 GB
Stop-Rise