User manual LG LA180CP

[. . . ] s Be sure to read before installing the air conditioner. s Be sure to observe the cautions specified here as they include important items related to safety. s Incorrect operation due to ignoring instruction will cause harm or damage. The seriousness is classified by the following indications. [. . . ] Cut the cable 4. 9ft(1. 5m) longer than the pipe length. Copper pipe 90° Slanted Uneven Rough Removing burrs 1. Completely remove all burrs from the cut cross section of pipe/tube. Put the end of the copper tube/pipe in a downward direction as you remove burrs in order to avoid dropping burrs into the tubing. Point down Pipe Reamer Putting nut on · Remove flare nuts attached to indoor and outdoor unit, then put them on pipe/tube having completed burr removal. (not possible to put them on after flaring work) Flare nut Copper tube Flaring work 1. Firmly hold copper pipe in a die in the dimension shown in the table below. Carry out flaring work with the flaring tool. Outside diameter mm inch Ø6. 35 1/4 Ø9. 52 3/8 Ø12. 7 1/2 Ø15. 88 5/8 Ø19. 05 3/4 A mm 1. 1~1. 3 1. 5~1. 7 1. 6~1. 8 1. 6~1. 8 1. 9~2. 1 Handle Bar Yoke Cone Copper pipe Clamp handle Red arrow mark Bar "A" Installation Manual 17 Installation Check 1. Compare the flared work with the figure by. If a flared section is defective, cut it off and do flaring work again. Smooth all round Inside is shiny without scratches = Improper flaring = Even length all round Inclined Surface Cracked Uneven damaged thickness Connecting the Piping Indoor Preparing the indoor unit's piping and drain hose for installation through the wall. Route the indoor tubing and the drain hose in the direction of rear left or right Drain hose 2. Tape the tubing, drain hose and the connecting cable. Be sure that the drain hose is located at the lowest side of the bundle. Ground the unit in accordance with local codes. Be sure to size each wire allowing several inches longer than the required length for wiring. Use lock nuts to secure the conduit tubes. NOTICE Wiring Diagram Indoor Unit Terminal (4P) 1 2 3 4 Connecting cable(Low voltage) b Outdoor Unit Terminal (6P) 1 2 3 4 L1* 5 L2 6 Power supply a G To branch circuit Ground * L1 is neutral for 115V models. NOTICE 1. shows field wiring. Connector trade size for this unit is 1/2"(12. 7mm). Refer to "How to connect wiring to the terminals" for instructions on connecting depending on the wire type you are using. 2. Separately wire the high and low voltage line. Use heat-proof electrical wiring capable of withstanding temperatures up to 167°F(75°C). Use outdoor and waterproof connection cable rated more than 300V for the connection between indoor and outdoor unit. (For example, Type SJO-WA) Outdoor unit Terminal block WARNING: · Be sure to comply with local codes while running the wire from the indoor unit to the outdoor unit(size of wire and wiring method, etc). · Every wire must be connected firmly. · No wire should be allowed to touch refrigerant tubing, the compressor or any moving parts. Over 5mm (2") Conduit panel Connecting cable Power supply cord Cover control Power Supply Model 18K Power source AWG(MIN) Fuse or breaker Capacity 18 20A 1Ø, 208/230V 14 22 Room Air Conditioner Installation Connection method of the connecting cable(Example) 1. Make a hole appropriate for the passage of connection cable through on cap by tool. [. . . ] Length Elevation length Refrigerant m(ft) B m(ft) A m(ft) g/m(oz/ft) 7. 5(25) 7. 5(25) 15(49) 20(0. 22) 7. 5(25) 7. 5(25) 15(49) 20(0. 22) 7. 5(25) 15(49) 7. 5(25) 15(49) 7. 5(25) 15(49) 30(98) 20(0. 22) 30(98) 20g(0. 22) 30(98) 30g(0. 32) ENGLISH Suction Evap 3/8"(1/2") 1/4" 3/8"(1/2") 1/4" 1/2" 5/8" 5/8" 1/4" 1/4" 1/4" Example: A 30ft line set is used 5 additional ft X 0. 22 ounce per foot= add 1. 1 ounces of R-410A Important: If you are ever uncertain of the unit charge, reclaim, evacuate and weigh in the correct charge using the unit nameplate charge adjusting for line sets longer or shorter than 7. 5m(25ft). Confirm the refrigerant R-410A. Use manifold gauge and hose for R-410A. Installation Manual 29 Installation Panel Front Assembly 1. First, Check the side cover assembly exactly, and fix the power cord in the bottom groove of cover side left. 2. Assemble connecting lead wire with controller, fix the upper part of panel front, and match the lower part of panel front. Panel Front Connector 3. [. . . ]