User manual LG LH-RH3690SE

[. . . ] Installing and Connecting the Drain Hose of the Indoor Unit . Changing Direction of the Drain Hose . 7 8 10 11 12 13 14 15 15 COMPLETING THE INSTALLATION Fixing the Indoor Unit in Place . 18 E-2 Safety Precautions Keep this installation manual together with the user's manual in a handy place so that you can find it whenever you need to see it after reading this manual thoroughly. [. . . ] Obtain the consent by a qualified installer before connecting the unit to the power supply system. CAUTION Hazards or unsafe practices that may result in minor personal injury or property damage. Our units must be installed in After completing the Perform the drainage/piping work securely according to the installation manual. If not, water could drop from the unit and household goods could get wet and damaged. torque wrench as specified in this installation manual. When fastened too tight, a flare nut may break after a long period of time and cause refrigerant leakage. If not, personal injury may occur due to the air conditioner parts. Fasten a flare nut with a 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 units' components must be accessible and that can be disassembled in conditions of complete safety either for people or things. For this reason, where it is not observed as indicated into the Installation Manual, the cost necessary to reach and repair the unit (in safety, as required by current regulations in force) with slings, trucks, scaffolding or any other means of elevation won't be considered in-warranty and charged to end user. installation run the trial operation. If no error occurs, explain to the customer how to use and clean the air conditioner according to the user's manual. In addition give the installation manual and the user's manual to the customer. and packaging material used for your new appliance are compatible with the environment and can be recycled. material in accordance with the local requirements. 12 Connect the power cable to the indoor unit. Note In Russia and Europe, consult with the supply authority to determine the supply system impedance before installation. WARNING he terminal is connected too firmly , the terminal may be damaged. T onnect the wires firmly so that wires can not be pulled out easily. C (If they are loose, it could cause burn-out of the wires. ) onnect the wires according to color codes, referring to the wiring C diagram. E-9 ENGLISH INSTALLING THE AIR CONDTIONER Installing and Connecting the Assembly Pipe of the Indoor Unit Connect indoor and outdoor units with field-supplied copper pipes by means of flare connections. Use insulated seamless refrigeration grade pipe only, (Cu DHP type according to ISO1337), degreased and deoxidized, suitable for operating pressures of at least 4200 kPa and for burst pressure of at least 20700 kPa. Under no circumstances must sanitary type copper pipe be used. There are 2 refrigerant pipes of different diameters: The smaller one is for the liquid refrigerant The larger one is for the gas refrigerant A C B A short pipe is already fitted to the air conditioner. You may need to extend the pipe using the assembly pipe (optional). The connection procedure for the refrigerant pipe varies according to the exit position of the pipe when facing the wall: Right(A) Left(B) Underside(C) Rear 1 2 3 Cut out the appropriate knock-out piece (A, B, C) on the rear of the indoor unit unless you connect the pipe directly from the rear. Remove the protection caps of the pipes and connect the assembly pipe to each pipe. Tighten the nuts first with your hands, and then with a torque wrench, applying the following torque: Outer Diameter ø6. 35 mm ø9. 52 mm ø12. 70 mm ø15. 88 mm ø19. 05 mm ø22. 23 mm Thickness 0. 8mm 0. 8mm 0. 8mm 1. 0mm 1. 0mm 1. 0mm Torque (kgf·cm) 140~170 250~280 380~420 440~480 990~1210 990~1210 Note If you want to shorten or extend the pipes, refer to page 12. 4 5 Cut off the remaining foam insulation. [. . . ] Check if it slants downwards as seen in the picture. CAUTION ake sure the installed direction of the drain hose is correct. M Inadequate installation may cause condensate water leakage. f the drain hose is routed inside the room, insulate the hose so that I dripping condensation does not damage the furniture or floors. O NOT WALL UP THE DRAIN HOSE CONNECTION ! [. . . ]