User manual LG LS-K18 YL NM NN

[. . . ] N This unit contains no user-serviceable parts. Always consult authorized service personnel for repairs. N When moving, consult authorized service personnel for disconnection and installation of the unit. N Do not become over-exposed to cold air by staying in the direct path of the airflow of the air conditioner for extended periods of time. [. . . ] It may lose its properties. 4 5 6 7 8 Dry the air filter. When you have finished, insert the filter into the front grille. Clean the unit with a vacuum cleaner or a brush once a month. Reinstall the front grille and the safety clips. Note You can use all 4 points of the indoor unit for installing the front grille and the safety clips depending on your requirement. After cleaning the air conditioner, press the Filter Reset button. Note Wired Remote Controller Wireless Remote Controller E-30 Bio-Pure Filter Installation (Optional) ENGLISH The air conditioner can be fitted with a Bio-Pure filter to remove minute dust particles. The service life of the filter is approximately three months depending on the time during which the air conditioner is used. 1 Remove the vinyl packing from the filter. Note Do not remove the packing from a bio-pure filter until you wish to use the filter, as it will lose its properties. 2 3 Open the front grille by pulling the tabs on the grille. 3-2 Open the front grille about 45° and pull it forward. 4 5 Pull out the air filter. Locate the bio-pure filter on the center of air filter. 6 7 Secure the bio-pure filter with four screws. Reinstall the air filter, the front grille and the safety clips. E-31 Solving Common Problems Before contacting the after-sales service, perform the following simple checks. They may save your time and expense of an unnecessary call. Problem Explanation/Solution The air conditioner does not N Check that the breaker used for the air conditioner is switched on. . 57 I Centralized controller Installation (Optional) . . 58 I Receiver & display unit Installation (Optional) . . 60 I Bio-Pure Filter Installation (Optional) . . 66 I Explaining Operations to the Owner . . 68 E-35 ENGLISH Deciding on Where to Install the Air Conditioner When deciding on the location of the air conditioner with the owner, the following restrictions must be taken into account. General Do NOT install the air conditioner in a location where it will come into contact with the following elements: N Combustible gases N Saline air N Machine oil N Sulphide gas N Special environmental conditions If you must install the unit in such conditions, first consult your dealer. Indoor Unit N There must be no obstacles near the air inlet and outlet. N Choose a space of ceiling that enables the pipes and cables to be easily connected to the outdoor unit and the recommended length of 5m/16ft 5in to be respected ("L" m/ft maximum-"L":indicated in the diagram on the page opposite). Proper drain hose passage should also be considered. N Install the indoor unit on a ceiling that can support its weight. N Maintain sufficient clearance around the indoor unit, as indicated in the diagram on the page opposite. N Make sure that the water dripping from the drain hose runs away correctly and safely. Outdoor Unit N The outdoor unit must NEVER be placed on its side or upside down, as the compressor lubrication oil will run into the cooling circuit and seriously damage the unit. [. . . ] Unit A 1 Connect the R1, R2 and R3 terminals in the wired remote controller to each R1, R2 and R3 terminals in any indoor unit "A". Unit B 2 Connect the R1 and R3 terminals in the indoor unit "A" to the R1 and R3 terminals in another indoor unit "B". CAUTION Unit C When connecting the cables, you must keep these : N The R1 terminals must be connected to the R1s. N The R3 terminals must be connected to the R3s. N Do not connect the R2 terminals to anywhere. If you connect R2 terminals, the PCB will be damaged. CN20 Connector 3 Connect the R1 and R3 terminals of "B" to any indoor unit "C" and connect the others as the same way. [. . . ]