LG WBNB036AAA0, Installation Manual

Page 1: ...P No MFL31137101 ...

Page 2: ...efore installing and operating the unit Please retain this installation manual for future reference after reading it thoroughly Installation work must be performed in accordance with the national wiring standards by authorized personnel only MODELS WBNB036AAA0 WBNB046BAA0 WBNB066CAA0 WBNB086DAA0 WBNB106EAA0 WBNB126FAA0 WBNB146GAA0 ...

Page 3: ...er You ll find many answers to common problems in the chart of troubleshooting tips If you review our chart of Troubleshooting Tips first you may not need to call for service at all PRECAUTION Contact the installer for installation of this unit The unit is not intended for use by young children or invalids without supervision Young children should be supervised to ensure that they do not play with...

Page 4: ...o do Be sure to follow the instruction WARNING Installation Do not use a defective or underrated circuit breaker Use this appliance on a dedicated circuit There is risk of fire or electric shock For electrical work contact the dealer seller a qualified electrician or an Authorized Service Center Do not disassemble or repair the product There is risk of fire or electric shock Always ground the prod...

Page 5: ...especially careful of the case edges and the fins on the evaporator For installation always contact the dealer or an Authorized Service Center There is risk of fire electric shock explosion or injury Do not plug or unplug the power supply plug during operation There is risk of fire or electric shock Do not touch operate the product with wet hands There is risk of fire or electrical shock Do not pl...

Page 6: ...ct is soaked flooded or submerged contact an Authorized Service Center There is risk of fire or electric shock Be cautious that water could not enter the product There is risk of fire electric shock or product damage Ventilate the product from time to time when operating it together with a stove etc There is risk of fire or electric shock Turn the main power off when cleaning or maintaining the pr...

Page 7: ... to sea wind salt spray directly It may cause corrosion on the product Corrosion particularly on the condenser and evaporator fins could cause product malfunction or inefficient operation 90 Do not expose the skin directly to cool air for long periods of time Don t sit in the draft This could harm to your health Do not use the product for special purposes such as preserving foods works of art etc ...

Page 8: ...Clean the filter every two weeks or more often if necessary A dirty filter reduces the efficiency of the air conditioner and could cause product malfunction or damage Wax Thinner Do not insert hands or other objects through the air inlet or outlet while the product is operated There are sharp and moving parts that could cause personal injury Do not drink the water drained from the product It is no...

Page 9: ...ore cleaning the indoor unit Never use any of the followings Water hotter than 40 C Could cause deformation and or discoloration Volatile substances Could damage the surfaces of the air conditioner Clean the filter with a vacuum or warm soapy water If very dirty wash with a solution of detergent in lukewarm water After washing with water dry well in the shade Re install the air filter Air Filter T...

Page 10: ...t going to be used for a long time Dirt may collect and may cause a fire Check that the air inlet and outlet of the unit are not blocked Do not overcool the room This is not good for the health and wastes electricity Keep blinds or curtains closed Do not let direct sunshine enter the room when the unit is in operation Make sure that the doors and windows are shut tight Avoid opening doors and wind...

Page 11: ...not cool or heat effectively 4 4 5 7 Has the fuse blown or has the circuit breaker been tripped Check that this is not a damp smell exuded by the walls carpet furniture or cloth items in the room Is the air filter dirty See air filter cleaning instructions The room may have been very hot when the unit was first turned on Allow time for it to cool down Are the indoor unit s air inlet or outlet vent...

Page 12: ...on H is necessary to get a slope to drain as figure The place where the unit is not affected by an electrical noise There should not be any heat source or steam near the unit H 600 600 Top view unit mm Front view Front Rear 1000 300 Confirm the positional relationship between the unit and suspension bolts Installation the ceiling opening to clean the filter or service under the product A Min B Min...

Page 13: ...le CASE 1 POSITION OF SUSPENSION BOLT Drainage pan 1 3 mm I H C D E F G A B Model DIMENSION A B C D E F G H I WBNB036AAA0 630 660 215 143 516 20 70 120 600 WBNB046BAA0 750 780 215 143 516 20 70 120 720 WBNB066CAA0 990 1020 215 143 516 20 70 120 960 WBNB086DAA0 1230 1260 215 143 516 20 70 120 1200 WBNB106EAA0 1470 1500 215 143 516 20 70 120 1440 WBNB126FAA0 1620 1650 215 143 516 20 70 120 1590 WBNB...

Page 14: ...ce of ceiling Insert the set anchor and washer onto the suspension bolts for locking the suspension bolts on the ceiling Mount the suspension bolts to the set anchor firmly Secure the installation plates onto the suspension bolts adjust level roughly using nuts washers and spring washers CAUTION Tighten the nut and bolt to prevent unit falling CASE 2 POSITION OF CONSOLE BOLT M10 Nut M10 SP washer ...

Page 15: ...T INCORRECT Front of view 1 3 mm 1 Install declination of the unit is very important for the drain of the duct type unit 2 Minimum thickness of the insulation for the connecting pipe shall be 20mm The unit must be horizontal or declined to the drain hose connected when finished installation Always lay the drain with downward inclination 1 50 to 1 100 Prevent any upward flow or reverse flow in any ...

Page 16: ...ng Local supply Hose clip for thermal insulator Local supply Union for water pipe Water pipe and thermal insulator Local supply Thermal insulator for water pipe Local supply Hose clip for thermal insulator Local supply Air exit Connecting Cable to the Fan Coil Unit WBNB036AAA0 WBNB066CAA0 WBNB086DAA0 WBNB146GAA0 GND GND GND GND GND Connect the wires to the terminals on the control board individual...

Page 17: ...he unit 3 The screw which fasten the wiring in the casing of electrical fittings are liable to come loose from vibrations to which the unit is subjected during the course of transportation Check them and make sure that they are all tightly fastened If they are loose it could give rise to burn out of the wires 4 Specification of power source 5 Confirm that electrical capacity is sufficient 6 Be sur...

Page 18: ...L Below 100 O Calcium hardness mgCaCO3 L Below 150 O Turbidity Below 20 O O Fe mgFe L Below 1 0 O O AmmOnium iOn mgNH4 L Below 1 0 O IOnic phases silica mgSiO2 L Below 50 O SaturatiOn index 0 0 1 0 O O Item Standards The influence of water quality Corrosion The formation of scale Standard Item Reference Item Index PH 25 C 6 5 8 0 Electric conductivity 25 C µs cm Below 200 Chloride ion mgCl L Below...