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94
15. Troubleshooting
Guide
15.1 Refrigeration cycle system
In order to diagnose malfunctions, make sure that there are no
electrical problems before inspecting the refrigeration cycle.
Such problems include insufficient insulation, problem with the
power source, malfunction of a compressor and a fan.
The normal outlet air temperature and pressure of the
refrigeration cycle depends on various conditions, the standard
values for them are shown in the table on the right.
Normal Pressure and Outlet Air Temperature (Standard)
Gas Pressure
Mpa
(kg/cm
2
G)
Outlet air
Temperature
(°C)
Cooling Mode
0.4 ~ 0.6 (4 ~ 6)
12 ~ 16
Heating Mode
1.5 ~ 2.1 (15 ~ 21)
36 ~ 45
Condition: Indoor fan speed = High
Outdoor temperature 35°C at the cooling
mode and 7°C at the heating mode
Summary of Contents for CS-A12KKD-2
Page 3: ...3 18 Exploded View and Replacement Parts List 125 18 1 Indoor Unit 125 18 2 Outdoor Unit 131 ...
Page 16: ...16 4 Location of Controls and Components 4 1 Indoor Unit 4 2 Outdoor Unit 4 3 Remote Control ...
Page 17: ...17 5 Dimensions 5 1 Indoor Unit 5 1 1 CS A9KKD 2 CS A12KKD 2 ...
Page 18: ...18 5 1 2 CS A18KKD 2 CS A24KKD 2 CS A28KKD 2 ...
Page 19: ...19 5 2 Outdoor Unit 5 2 1 CU A9KKD 2 5 2 2 CU A12KKD 2 ...
Page 20: ...20 5 2 3 CU A18KKD 2 CU A24KKD 2 CU A28KKD 2 ...
Page 21: ...21 6 Refrigeration Cycle Diagram 6 1 CS A9KKD 2 CU A9KKD 2 CS A12KKD 2 CU A12KKD 2 ...
Page 22: ...22 6 2 CS A18KKD 2 CU A18KKD 2 CS A24KKD 2 CU A24KKD 2 CS A28KKD 2 CU A28KKD 2 ...
Page 23: ...23 7 Block Diagram 7 1 CS A9KKD 2 CU A9KKD 2 ...
Page 24: ...24 7 2 CS A12KKD 2 CU A12KKD 2 ...
Page 25: ...25 7 3 CS A18KKD 2 CU A18KKD 2 CS A24KKD 2 CU A24KKD 2 ...
Page 26: ...26 7 4 CS A28KKD 2 CU A28KKD 2 ...
Page 31: ...31 9 Electronic Circuit Diagram 9 1 CS A9KKD 2 CU A9KKD 2 ...
Page 32: ...32 9 2 CS A12KKD 2 CU A12KKD 2 ...
Page 33: ...33 9 3 CS A18KKD 2 CU A18KKD 2 CS A24KKD 2 CU A24KKD 2 ...
Page 34: ...34 9 4 CS A28KKD 2 CU A28KKD 2 ...
Page 36: ...36 10 1 1 2 CS A28KKD 2 ...
Page 39: ...39 10 1 7 Eco Patrol Printed Circuit Board ...
Page 86: ...86 Normal Deice Time Diagram Overload Deice Time Diagram ...
Page 91: ...91 a Normal Deice Time Diagram b Overload Deice Time Diagram ...
Page 97: ...97 Figure 3 Figure 4 Figure 5 16 1 1 3 To remove discharge grille Figure 6 ...
Page 99: ...99 Figure 10 Figure 11 ...
Page 101: ...101 16 2 1 3 To remove power electronic controller Figure 14 Figure 15 Figure 16 Figure 17 ...
Page 103: ...103 Figure 21 Figure 22 Figure 23 ...
Page 104: ...104 17 Technical Data 17 1 Thermostat Characteristics ...