User manual LG LW-E1860HS

[. . . ] 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. [. . . ] (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 12 Room Air Conditioner "A" 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 ENGLISH = Improper flaring = Even length all round Inclined Surface Cracked Uneven damaged thickness Connecting the Piping Indoor 1. Prepare the indoor unit's piping and drain hose for installation through the wall. Remove the plastic tubing retainer(see the illustration by) and pull the tubing and drain hose away from chassis. Replace only the plastic tubing holder 1, not the holder 2 in the original position. For right rear piping 1. Route the indoor tubing and the drain hose in the direction of rear right. Insert the connecting cable into the indoor unit from the outdoor unit through the piping hole. · Do not connect the cable to the indoor unit. are the same as those of the indoor unit. ) ENGLISH · The above circuit diagram is subject to change without notice. · The earth wire should be longer than the common wires. · When installing, refer to the circuit diagram behind the panel front of the indoor unit. · Connect the wires firmly so that they may not be pulled out easily. · Connect the wires according to color codes, referring to the wiring diagram. Main power source If a power plug is not used, provide a circuit breaker between power source and the unit as shown by. Air Conditioner Circuit Breaker Use a circuit breake or time delay fuse. The power cord connected to the "A" unit should be selected according to the following specifications(Type "B" approved by HAR or SAA). (mm2) Grade NORMAL CROSS 5k~9k 12k~14k -SECTIONAL AREA 0. 75 1. 0 Unit(A) Indoor Indoor 18k 1. 5 Indoor 24k~28k 30k, 32k 36k, 38k 2. 5 2. 5 5. 5 Indoor Outdoor Outdoor Cable Type(B) H05VV-F H05VV-F H05VV-F H05VV-F H05RN-F H05RN-F The power connecting cable connecting the indoor and outdoor unit should be selected according to the following specifications (Type "B" approved by HAR or SAA). (mm2) NORMAL Grade CROSS 5k~9K 12k~14k 18k -SECTIONAL 0. 75 1. 0 1. 5 AREA NORMAL CROSS-SECTIONAL AREA 0. 75mm2 (mm2) Grade NORMAL CROSS 30k, 32k -SECTIONAL AREA 0. 75 36k, 38k 0. 75 24k~28k 2. 5 Cable Type(B) H07RN-F H07RN-F H07RN-F H07RN-F Cable Type(B) H07RN-F H07RN-F Installation Manual 19 Installation Outdoor 1. Remove the control cover from the unit by loosening the screw. Connect the wires to the terminals on the control board individually. Secure the cable onto the control board with the cord clamp. Refix the control cover to the original position with the screw. Use a recognized circuit breaker 20A(14k) between the power source and the unit. A disconnecting device to adequately disconnect all supply lines must be fitted. Circuit Breaker (A) Grade 7k~14k 15 18k 20 24k~28k 30k, 32k 36k, 38k 30 30 40 Connecting cable Outdoor Unit CASE 1 CASE 2 1(L) 2(N) 3 4 1(L) 2(N) 3 4 Cover control Cord clamp According to the confirmation of the above conditions, prepare the wiring as follows. [. . . ] Replace the flare nut and its bonnet on the gas side service port and fasten the flare nut securely with an adjustable wrench. This process is very important to prevent leakage from the system. Replace the valve caps at both gas and liquid side service valves and fasten them tight. This completes air purging with a vacuum pump. [. . . ]