LG ARUB115BT2 Installation Manual - Page 51
Models, Gas Pipe, Liquid pipe, ARBLB03320
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ENGLISH 3) Setting the Valve Group. DIP S/W setting Not control No.1, 2 Valve Control HR Unit PCB Example 43 Indoor Unit Indoor Unit 2 1 Indoor Unit Indoor Unit 43 2 1 Indoor Unit Indoor Unit Large capacity indoor unit No.2, 3 Valve Control 43 2 Indoor Unit Large capacity indoor unit 1 Indoor Unit No.3, 4 Valve Control 43 2 Large capacity indoor unit Indoor Unit 1 Indoor Unit No.1, 2 Valve / No.3, 4 Valve Control 43 Large capacity indoor unit 2 1 Large capacity indoor unit Note: If the large capacity indoor units are installed, below Y branch pipe should be used ✽ Y branch pipe [Unit:mm(inch)] Models Gas Pipe Liquid pipe I.D. 22.2(7/8) I.D. 19.05(3/4) I.D. 19.05(3/4) I.D. 22.2(7/8) I.D. 15.88(5/8) I.D. 9.52(3/8) I.D. 12.7(1/2) ARBLB03320 I.D. 15.88(5/8) I.D. 9.52(3/8) I.D. 6.35(1/4) I.D. 15.88(5/8) I.D. 12.7(1/2) I.D. 28.58(1-1/8) O.D. 22.2(7/8) I.D. 25.4(1)(1/1/8) I.D. 6.35(1/4) I.D. 9.52(3/8) I.D. 6.35(1/4) I.D. 9.52(3/8) Installation Manual 51