User manual LG LRNU12GTEA0

[. . . ] Combined Outdoor Unit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Indoor Unit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . REFRIGERANT R410A . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Safety During Installation/Servicing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [. . . ] If incorrect tools or operating procedures are used, there is a possibility of a serious accident. Use only tools and materials that have been designed to operate with R410A. To prevent the risk of charging with an incorrect refrigerant, the dimensions of the charging port connections are different to those used for conventional refrigerant. Therefore only tools designed to operate with R410A can be used. For connecting pipes, use piping specifically designed for R410A. During installation, ensure pipes are clean and ensure contaminants do not enter the pipes as the system is affected by impurities such as water, oxide scales, dirt, oil, etc. Do not use existing pipe work from previous installation as this will cause problems due to pressure resistances and impurities within the pipe. CAUTION To Disconnect the Appliance from Main Power Supply. A switch or circuit breaker that can disconnect all poles must be included in the fixed wiring. Be sure to use an approved circuit breaker or switch. The installation fuse must be used for the power supply line of this conditioner. WARNING · Ask an authorized dealer or qualified installation professional to install/maintain the air conditioner. Inappropriate installation may result in water leakage, electric shock or fire. · Turn off the main power supply switch or breaker before attempting any electrical work. Failure to do so may cause an electric shock. · Use only the specified wiring during the unit installation. Ensure that all terminals are securely fixed, so preventing any external forces having a negative effect on the terminals. Do not connect ground wires to gas pipes, water pipes, lightning rods or ground wires for telephone cables. · Conform to the regulations of the local electric authority when wiring the power supply. Inappropriate grounding may cause an electric shock. · Do not install the air conditioner in a location that maybe subjected to a risk of exposure to a combustible gas. If a combustible gas leaks and becomes concentrated around the unit, a fire may occur. ­ 42 ­ 2 SELECTION OF INSTALLATION PLACE WARNING · The air conditioner must be installed in a location that can support the weight of the unit effectively. If the unit is not installed on a foundation that can support its weight effectively, the unit may fall down, resulting in possible human injury. · Where required ensure that the units installation is sufficient enough to withstand against an earthquake. An insufficient installation could result in the unit falling, causing possible human injury. · Install the air conditioner at a minimum height of 2. 5 m from the floor. [. . . ] Attachment 1) Mount parts in order, heat exchanger fixing band piping cover drain pan bell mouth electric parts box as original. 3 screws NOTE) Arrange wires as original. 2) Attach the removed connectors and wires as original. 3) Connect the refrigerant pipe as original, and then perform vacuuming. Fixing band Fixing band for heat exchanger <Details of sensor lead wire drawing> TCJ sensor (Black) TC sensor (Red) 2 fixing screws for heat exchanger Wind pipe cover over the header, attach a sensor on it. (Do not set the head of tie wrap upward. ) ­ 80 ­ 13. [. . . ]