OPTIONAL ACCESSORIES
12-8
Revision 0
Service Manual - KXL DCI
12.6 Dry
Mode
As long as room temperature is higher then the set point, indoor fan will work in low speed and
compressor will work between 0 and
MaxNLOADIF1C
Hz.
When the room temperature is lower than the set point, compressor will be switched OFF and
indoor fan will cycle 3 minutes OFF, 1 minute ON.
12.7 Protections
There are 5 protection codes.
Normal (Norm) – unit operate normally.
Stop Rise (SR) – compressor frequency can not be raised but does not have to be decreased.
HzDown1 (D1) – Compressor frequency is reduced by 2 to 5 Hz per minute.
HzDown2 (D2) – Compressor frequency is reduced by 5 to 10 Hz per minute.
Stop Compressor (SC) – Compressor is stopped.
12.7.1
Indoor Coil Defrost Protection
ICT Trend
ICT
Fast
Increasing
Increasing No
Change
Decreasing Fast
Decreasing
ICT<
-2
SC
SC
SC
SC
SC
-2
≤
ICT<
0
D1
D1
D2
D2
D2
0
≤
ICT <
2
SR
SR
D1
D2
D2
2
≤
ICT<
4
SR SR
SR
D1
D2
4
≤
ICT <
6
Norm Norm
SR SR D1
6
≤
ICT
≤
8
Norm Norm
Norm
SR SR
ICT>
8
Norm
12.7.2
Indoor Coil Overheating Protection
12.7.2.1
Indoor Coil Overheating Protection For KXL 24/30 DCI
ICT Trend
ICT
<-2 -2
-1,0,1
2
>2
ICT
>
62
SC SC SC
SC
SC
60
≤
ICT
<
62
D1 D1 D2
D2
D2
58
≤
ICT
<
60
SR SR D1
D2
D2
56
≤
ICT
<
58
SR SR SR
D1
D2
54
≤
ICT
<
56
Norm Norm SR SR D1
52
≤
ICT
≤
54
Norm Norm Norm SR SR
ICT
<
52
Norm
