User manual LG 77249

[. . . ] Never attempt to install the air conditioning system or move the centralized controller by yourself. WARNING Do not attempt to install or repair this product by yourself. This product contains no user-serviceable parts. So always consult an authorized service personnel for repairs. [. . . ] So always consult an authorized service personnel for repairs. When moving, consult an authorized service personnel for disconnection and installation of the centralized controller. Ensure that the wall is strong enough to support the weight of the centralized controller. Install the product using the proper electric power. In the event of a malfunction(burning smell, etc. ), immediately stop the operation, turn off the electrical breaker, and consult an authorized service personnel. E-2 CAUTION Do not install this product in places where it will come into contact with volatile substances such as machine oil, benzene, gasoline or naphtha. Do not install this product in places where it will come into contact with combustible gases such as sulfuric gas, hydrogen gas, methane gas, etc. Do not spill liquid of any kind into the centralized controller. In other words, certain indoor units connected to one outdoor unit operate in the heating mode, while other indoor units operate in the cooling mode. COOL AUTO HEAT Note E-5 ENGLISH Setting the Operating Mode (cont. ) The operating mode can be affected by the operating status of the indoor unit and the centralized controller. Note N The air conditioner can operate in a mode other than the one specified with the Operating Mode Switch. When operating the indoor units in the Cool or Heat Mode 1 If the operating mode that was selected when the unit was last used is the same as the centralized controller's operating mode, the indoor unit will operate in the operating mode that was selected when the unit was last used. Example If the indoor unit is in the Heat operating mode with a set temperature of 30°C(86°F) and the centralized controller is in the Heat operating mode with a set temperature of 27°C(81°F), the air conditioner will start its operation in the heating mode with a set temperature of 30°C(86°F). 2 If the operating mode that was selected when the unit was last used is different from the centralized controller's operating mode, the indoor unit will operate in the operating mode of the centralized controller. Example If the indoor unit is in the Dry operating mode with a set temperature of 24°C(76°F) and the centralized controller is in the Heat operating mode with a set temperature of 27°C(81°F), the indoor unit will operate in the Heat operating mode with a set temperature of 27°C(81°F). When operating the indoor units in the Auto Mode If the air conditioner is turned on, it will operate in the operating mode that was selected when the unit was last used. However, when the power is turned on for the first time after installing the system, the air conditioner will operate in the Auto operating mode with a set temperature of 24°C(76°F). E-6 When using the Centralized Controller Up to sixteen air conditioners can be turned on or off if the centralized controller is used. However, you cannot adjust the cooling temperature or set the timer with it. If you are also using the wired remote controller, CENTRALIZED CONTROL is displayed at the top of the remote controller. 1 In order to turn ON all the air conditioners connected to the centralized controller. , press the (All ON) button. Result: N The operating lamp of the centralized controller comes on. [. . . ] However, you cannot adjust the cooling temperature or set the timer with it. If you are also using the wired remote controller, CENTRALIZED CONTROL is displayed at the top of the remote controller. 1 In order to turn ON all the air conditioners connected to the centralized controller. , press the (All ON) button. Result: N The operating lamp of the centralized controller comes on. [. . . ]