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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
PSI
(kg/cm
2
G)
Outlet air
Temperature
(°F)
Cooling Mode
130.53 ~ 174.04
(9 ~ 12)
53.6 ~ 60.8
Heating Mode
333.58 ~ 420.60
(23 ~ 29)
96.8 ~ 113
Condition: Indoor fan speed = High
Outdoor temperature 95°F at cooling mode
and 44.6°F at heating mode.
Compressor operate at rated frequency
Summary of Contents for CS-E12NKUAW
Page 8: ...8 4 Location of Controls and Components 4 1 Indoor Unit 4 2 Outdoor Unit 4 3 Remote Control ...
Page 9: ...9 5 Dimensions 5 1 Indoor Unit ...
Page 10: ...10 6 Refrigeration Cycle Diagram ...
Page 11: ...11 7 Block Diagram ...
Page 12: ...12 8 Wiring Connection Diagram 8 1 Indoor Unit ...
Page 13: ...13 9 Electronic Circuit Diagram 9 1 Indoor Unit ...
Page 14: ...14 10 Printed Circuit Board 10 1 Indoor Unit 10 1 1 Main Printed Circuit Board ...
Page 15: ...15 10 1 2 Power Printed Circuit Board 10 1 3 Indicator Printed Circuit Board ...
Page 34: ...34 15 3 Error Code Table ...
Page 64: ...64 16 1 1 2 To remove discharge grille ...
Page 65: ...65 16 1 1 3 To remove control board 16 1 1 4 To remove cross flow fan and indoor fan motor ...
Page 66: ...66 ...