Wiring Diagrams for Reference SiBE31-801_C389 Appendix2.4 BS UnitBSV4Q100PV1Y3EY4EY1EY5EY2EBS UNIT TOP(ALL OTHER IDENTICAL PLACES)Z1CN=2REDX1M L NBLUPOWER SUPPLY~220-240V50HzA1PDS2DS1NOTE).7PSHAPX4A X5A X6A X7A X8A6 6 6 6 6Y1E Y2E Y3E Y4E Y5EF1UX1AX1MF2F1F2F1CBATO OUT/DUNITTO IN/DUNITNOTE).3X2MINDOORUNIT AINDOORUNITX4MF1 F2M M M M MINDOORUNIT BINDOORUNITX5MF1 F2DS2DS1NOTE).7PSHAPX4A X5A X6A X7A X8A6 6 6 6 6Y1E Y2E Y3E Y4E Y5EF1UX1AX1MF2F1F2F1CBATO OUT/DUNITTO IN/DUNITNOTE).3X2MM M M M MA2P A3PDS2DS1NOTE).7PSHAPX4A X5A X6A X7A X8A6 6 6 6 6Y1E Y2E Y3E Y4E Y5EF1UX1AX1MF2F1F2F1CBATO OUT/DUNITTO IN/DUNITNOTE).3X2MINDOORUNIT CINDOORUNITX6MF1 F2M M M M MA4PDS2DS1NOTE).7PSHAPX4A X5A X6A X7A X8A6 6 6 6 6Y1E Y2E Y3E Y4E Y5EF1UX1AX1MF2F1F2F1CBATO OUT/DUNITTO IN/DUNITNOTE).3X2MINDOORUNIT DINDOORUNITX7MF1 F2M M M M MF1 F2X2MOUTDOORUNIT OR BSUNITORF1 F2X3MBSUNITEL. COMPO. BOXX1M X2MA1PX4M X2MA2PX5M X2MA3PX6M X2MA4PX7MX2M X3MNOTES) 1. THIS WIRING DIAGRAM APPLIES TO THE BS UNIT ONLY.2. : TERMINAL STRIP, : CONNECTOR: FIELD WIRING, : PROTECTIVE EARTH3. WHEN USING THE COOL/HEAT SELECTOR (OPTIONALACCESSORY), CONNECT IT TO TERMINALS A, B AND CON X2M (A1P~A4P).4. AS FOR WIRING TO THE X2M~X7M (CONTROL), REFERTO INSTALLATION MANUAL.5. SYMBOLS SHOW AS FOLLOWS. (BLU: BLUE RED: RED)6. USE COPPER CONDUCTORS ONLY.7. DIP SWITCH (DS1·2) INITIAL SETTINGS ARE AS FOLLOWS.FOR USING DIP SWITCH (DS1·2), REFER TO INSTALLATIONMANUAL OR "SERVICE PRECAUTION" LABEL ON EL. COMPO.BOX COVER.3D063928BA1P (UNIT A) PRINTED CIRCUIT BOARD (INDOOR UNIT A) X2M (A1P~A4P) TERMINAL STRIP (C/H SELECTOR)A2P (UNIT B) PRINTED CIRCUIT BOARD (INDOOR UNIT B) X1M TERMINAL STRIP (POWER)A3P (UNIT C) PRINTED CIRCUIT BOARD (INDOOR UNIT C) X2M~X7M TERMINAL STRIP (CONTROL)A4P (UNIT D) PRINTED CIRCUIT BOARD (INDOOR UNIT D) Y1E ELECTRONIC EXPANSION VALVE (SUB COOL)DS1, DS2 DIP SWITCH Y2E ELECTRONIC EXPANSION VALVE (SUB DISCHARGE)F1U FUSE (T, 3.15A, 250V) Y3E ELECTRONIC EXPANSION VALVE (SUB SUCTION)HAP FLASHING LAMP(SERVICE MONITOR-GREEN)Y4E ELECTRONIC EXPANSION VALVE (MAIN DISCHARGE)Y5E ELECTRONIC EXPANSION VALVE (MAIN SUCTION)PS SWITCHING POWER SUPPLY (A1P~A4P) Z1C NOISE FILTER (FERITE CORE)X1M (A1P~A4P) TERMINAL STRIP (CONTROL)1 2 3 4DS11 2 3 4DS2ONOFF
