11-6
CONTROL SYSTEM
SM PNXADCI 1-A.1 GB
11.7.2 Indoor Coil over Heating Protection
ICT TrendICT
Fast
Decreasing
Decreasing No Change Increasing Fast
Increasing
ICT 55 SC SC SC SC SC>
53 <ICT 55 D1 D1 D2 D2 D2
49 < ICT 53 SR SR D1 D2 D2
47<ICT 49 SR SR SR D1 D2
45 < ICT 47 Norm Norm SR SR D1
43 < ICT 45 Norm Norm Norm SR SR
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.
Normal
P1
P2
Stop-Compresor
CTTOH1
CTTOH2
CTTOH3
CTTOH4
CTT
P3
Control Status Compressor Temperature
Increases
Else
P1 Norm SR
P2 D1 SR
P3 D2 D1
Stop Compressor SC
11.7.4 Compressor over Current Protection
Normal
Stop-Rise
HzDown1
HzDown2
Stop-Compresor
CCROC1
CCROC2
CCROC3
CCROC4
CCR