Indoor Unit SiUS181631EA34 Printed Circuit Board Connector Wiring Diagram3.5 FDXS09/12LVJU, CDXS15/18/24LVJUControl PCB(A1P)Caution Replace the PCB if you accidentally cut a wrong jumper.Jumpers are necessary for electronic circuit. Improper operation may occur if you cut any of them.Note: The symbols in the parenthesis are the names on the appropriate wiring diagram.1) S1 Connector for AC fan motor2) S7 Connector for AC fan motor (Hall IC)3) S21 Connector for centralized control (HA)4) S26 Connector for display/signal receiver PCB (A2P)5) S32 Connector for indoor heat exchanger thermistor6) H1, H2, H3 Connector for terminal strip7) FG (GND) Connector for terminal strip (ground)8) JA Address setting jumper∗ Refer to page 141 for details.9) JB Fan speed setting when compressor stops for thermostat OFF∗ Refer to page 143 for details.10) JC Power failure recovery function (auto-restart)∗ Refer to page 143 for details.11) LED A LED for service monitor (green)12) FU1 (F1U) Fuse (3.15 A, 250 V)13) V1 VaristorH2H1H3FGJBS212P292535-1LED A JCJAS7S1FU1S26V1S32
