SiUS091601EA Indoor UnitPart 3 Printed Circuit Board Connector Wiring Diagram 28CautionNote1.4 FVXS09/12/15NVJUControl PCB(PCB2)Replace the PCB if you cut a jumper unintentionally.Jumpers are necessary for electronic circuit. Improper operation may occur if you cut any of them.The symbols in the parenthesis are the names on the appropriate wiring diagram.1) S1 Connector for DC fan motor2) S21 Connector for centralized control (HA)3) S26 Connector for service PCB (PCB3)4) S32 Indoor heat exchanger thermistor (R2T)5) S41 Connector for lower air outlet motor6) S42 Connector for swing motor7) S46 Connector for display/signal receiver PCB (PCB4)8) S48 Connector for sensor PCB (PCB1)9) H1, H2, H3 Connector for terminal strip10) E1 Terminal for ground wire11) JA Address setting jumperRefer to page 207 for details.12) JB Fan speed setting when compressor stops for thermostat OFFRefer to page 209 for details.13) JC Power failure recovery functionRefer to page 209 for details.14) FU1 (F1U),FU2 (F2U)Fuse (3.15 A, 250 V)15) LED A LED for service monitor (green)16) V1, V2 VaristorE1V1H2H3FU1 H1 S1 LED A S21 S41 S42 S26S46S48JCJAJBFU2S32V22P383711-1