User manual LG AC959NI

[. . . ] This technology is up to 300% more efficient than electrical heating, so you can further reduce its running cost. Now, meet year-round needs with one air conditioner. Flexible installation Duct type air conditioner is designed to be slimmer and offers different solutions for any shape room allowing for specific air flow requirements. Also, the air intake can be set up on either the bottom or rear of the unit, so there is more flexibility in installation. 2 Contents USING PARTS Safety precautions . 9 Cleaning and maintaining the air conditioner . [. . . ] The air conditioner should be used only for the applications for which it has been designed: the indoor unit is not suitable to be installed in areas used for laundry. This appliance is not accessible to the general public. This appliance should be installed according to the provided installation instruction. When installing the air conditioner in a small room, the measure not to exceed the dangerous density is needed. - When refrigerant leaks and exceeds the dangerous density, suffocation may occur. If any gas or impurities except R410A refrigerant come into the refrigerant pipe, serious problem may occur and it may cause injury. Use only rated accessories and install the air conditioner with rated equipments. - If you dont't use the rated accessories, the air conditioner may drop from its place, water may leak or electric shock or fire may occur. Ventilate your room when refrigerant gas leaks during installation. - Toxic gas may generate when refrigerant gas contacts with heat. Our units must be installed in compliance with the spaces indicated in the installation manual to ensure either accessibility from both sides or ability to perform routine maintenance and repairs. The capacity of the heat exchanger may reduce or the air conditioner may be out of order. - The place where corrosive gas such as sulfurous acid gas generates from the vent pipe or air outlet. - The copper pipe or connection pipe may corrode and refrigerant may leak. - The place where there is a machine that generates electromagnetic waves. The air conditioner may not operate normally due to control system. - The place where there is a danger of existing combustible gas, carbon fiber or flammable dust. - The place where thinner or gasoline is handled. Gas may leak and it may cause fire. CAUTION 15 Accessories The following accessories are supplied with the indoor unit. The type and quantity may differ depending on the specifications. User & Installation manual(1) Pattern sheet(1) Insulation A(2) Insulation B(1) Insulation pipe A(2) Insulation pipe B(1) Cable tie(4) Flexible hose(1) Clamp hose(2) Washer(8) Grommet hanger(4) Wired remote controller(1) Selecting the installation location Indoor unit f f f f f f There must be no obstacles near the air inlet and outlet. Install the indoor unit on a ceiling that can support its weight. Maintain sufficient clearance around the indoor unit. [. . . ] button to exit to normal mode. · Press NOTE button anytime during setup to exit without setting. · Option code will not be applied if you don't press button. · Setting Installation option code is available only with a master wired remote controller. · Setting Installation option code is available when there is one on one connection between a wired remote controller and an indoor unit. 33 Option table E. S. P(External Static Pressure)setting for phase control motor With its phase control motor, you can adjust the indoor unit fan speed depending on the installation condition. If the external static pressure is high so that the duct becomes longer or if the external static pressure is low so that the duct becomes shorter, adjust the fan speed by referring the following table. Static Pressure(mmAq) Static Pressure (mmAq) Model AC959NI 011074-1660C627B4D2-370010 5. 0~7. 5 7. 5~12. 5 12. 5~17. 5 Option code for indoor unit 011074-1560F927B4D2-370010 011074-15622D27B4D2-370010 011074-15635227B4D2-370010 011074-15639627B4D2-370010 17. 5~22. 5 22. 5~25. 0 · The operating External Static Pressure range of the product is 5~25mmAq. [. . . ]