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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
MPa (kg/cm
2
G)
Outlet air
temperature (°C)
Cooling Mode
0.9 ~ 1.2 (9 ~ 12)
12 ~ 16
Heating Mode 2.3 ~ 2.9 (23 ~ 29)
36 ~ 45
*Condition: • Indoor fan speed; High
• Outdoor temperature 35°C at cooling
mode and 7°C at heating mode
• Compressor operates at rated frequency
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Страница 12: ...12 4 Location of Controls and Components 4 1 Indoor Unit 4 2 Outdoor Unit 4 3 Remote Control ...
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Страница 15: ...15 6 Refrigeration Cycle Diagram ...
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Страница 17: ...17 8 Wiring Connection Diagram 8 1 Indoor Unit ...
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