4
Safety Precautions
For re-installation of the installed product, always
contact a dealer or an Authorized Service Center.
• There is risk of fire, electric shock, explosion, or injury.
Do not install, remove, or re-install the unit by
yourself (customer).
• There is risk of fire, electric shock, explosion, or injury.
Do not store or use flammable gas or
combustibles near the air conditioner.
• There is risk of fire or failure of product.
Use the correctly rated breaker or fuse.
• There is risk of fire or electric shock.
Prepare for typhoons and other strong winds and
earthquakes and install the unit at the specified
place.
• Improper installation may cause the unit to topple and
result in injury.
Do not install the product on a defective installa-
tion stand.
• It may cause injury, accident, or damage to the prod-
uct.
When installing and moving the air conditioner to
another site, do not charge it with a
differnet refrigerant from the refrigerant specified
on the unit.
• If a differnet refrigerant or air is mixed with the original
refrigerant, the refrigerant cycle may malfunction and
the unit may be gamaged.
Do not reconstruct to change the settings of the
protection devices.
• If the pressure switch, thermal switch, or other protec-
tion device is shorted and operated forcibly, or parts
other than those specified by LGE are used, fire or
explosion may result.
Gasolin
Summary of Contents for ARNU Series
Page 13: ...Service Manual 13 External Appearance 2 2 Outdoor Units ARUN1008F20 10HP ...
Page 16: ...16 ...
Page 17: ...Service Manual 17 Indoor Units ...
Page 18: ...18 Indoor Unit ...
Page 30: ...30 Indoor Unit ...
Page 44: ...44 Indoor Unit ...
Page 79: ...Service Manual 79 Outdoor unit ...
Page 88: ...88 Outdoor Unit 5 Wiring Diagrams Wiring Diagrams ...
Page 112: ...112 Outdoor Unit ...
Page 113: ...Service Manual 113 Trouble shooting guide ...
Page 137: ...Service Manual 137 Troubleshooting Guide Resistance measure between phases of compressor ...
Page 142: ...Troubleshooting Guide 142 Outdoor Unit Connector of reactor Connectors of 3phase diode ...
Page 143: ...Service Manual 143 Troubleshooting Guide Connectors of capacitor Check IPM PCB ...
Page 150: ...Troubleshooting Guide 150 Outdoor Unit Pressure switch CHECK VALVE ...
Page 152: ...Troubleshooting Guide 152 Outdoor Unit Measure power input of outdoor unit ...
Page 153: ...Service Manual 153 Troubleshooting Guide Measure power input of outdoor unit ...
Page 156: ...Troubleshooting Guide 156 Outdoor Unit Liquid injection by pass valve ...
Page 157: ...Service Manual 157 Troubleshooting Guide Measure resistance of LEV coil ...
Page 158: ...Troubleshooting Guide 158 Outdoor Unit Heater ...
Page 168: ...Troubleshooting Guide 168 Outdoor Unit Measure input power of outdoor unit ...
Page 172: ...Troubleshooting Guide 172 Outdoor Unit Check main fuse of out door unit ...
Page 176: ...Troubleshooting Guide 176 Outdoor Unit Fan IPM ...
Page 178: ...Troubleshooting Guide 178 Outdoor Unit Measure input power of fan main PCB ...
Page 183: ...Service Manual 183 Exploded View Replacement Parts List ...