24 - Electrical System (Battery) 119Service Manual – SC401, SCRUBTEC 344Complete Wiring Diagram (Battery Drive)24V BATTERIES(BAT)BATTERY CHARGECONNECTORBATTERY CHARGECONNECTORBATTERYCONNECTORBATTERYCONNECTORBATTERY CHARGER (CH)MAIN MACHINECONTROLLER (EB1)DRIVE WHEELSCONTROLLER (EB3)MAIN MACHINECONTROLLERRELAY (ES1)MAIN MACHINECONTROLLERRELAY (ES1)SOLENOIDVALVE (EV1)BRUSHMOTOR FUSE (F1)VACUUM MOTOR FUSE (F2)DRIVE MOTOR FUSE (F3)USB FUSE (F4)HOURCOUNTER (HM)IGNITION KEY (KEY)BRUSHMOTOR (M1)VACUUMMOTOR (M2)DETERGENTPUMP (M3)DRIVEMOTOR (M4)SPEEDPOTENTIOMETER(RV1)SMART KEY (SK)REVERSEGEAR SWITCH(SW1)TRACKCLEAN (TU)USB PORT (USB)B+KEY INPUTBTN.1KEY.2KEY.1Key inputKey outputB/R.2B/R.3Power relay +Power relay -24V24V24V24V24V(CLICK OFF)TRCK.1 0V0V0V0V0V0VPTCFUSEB/R.1 24V (LOGIC) Power supply + (permanent)B+ 24V (POWER)B+ 24V (POWER) +24 PotenzaB- 0V (POWER) 0V0VOUT1-OUT2+M1 24V24V0VM2Positive forward speed motor outputNegative forward speed motor outputJ1.1J1.2J1.3J1.1312VWIPER0VREV. DIRECTIONJ1.14HI - POT. INPUTC - POT. INPUTLO - POT. INPUTBACKWARD SWITCHCOMMON HIGH 24VJ1.15 KEY IN KEY INPUTJ1.12 FORWARD SWITCH DRIVE ENABLEOUT2-AUX1.1AUX1.2AUX2.1AUX2.2AUX4.1AUX4.2D.2Drive system enable outputB-0VhM3M2M1M4OUT1+Brush output +Brush output -Vacuum output +Vacuum output -Solution valve output +Solution valve output -Detergent pump output +Detergent pump output -Hourmeter output +Hourmeter output -3TRCK.2 24VGUA.5 KEY ONGUA.6 BRUSH ONGUA.7 VACUUM ONGUA.9 DRIVE ONGUA.10 SMART KEYDRIVE ENABLE (5V)BTN.2 IGNITIONEXT.1 Power supply +Power button inputPower button outputPower supply -SPI CS3SPI MISOSPI MOSISPI clockOutput Machine turned onSupply +24V (permanent)Supply 0V (permanent)Output Brush turned onOutput Vacuum turned onOutput Drive turned onInput Smart key5VEXT.2 0VEXT.11 SPI CS3EXT.3 SPI MISOEXT.4 SPI MOSIEXT.6 SPI CLOCKuPuPB-MAIN MACHINECONTROLLER (EB1)KEY.2BASE MACHINE (WITHOUT BATTERY CHARGER AND KEY)KEY.1USER INTERFACECONTROLLER (EB2)RIGHT.2 5VRIGHT.1 0VLEFT.2 5VLEFT.1 0VRIGHT.3 ENABLELEFT.3Left op. pres. sensor supply +Left op. pres. sensor supply -Left op. pres. sensor inputRight op. pres. sensor supply +Right op. pres. sensor supply -Right op. pres. sensor inputENABLEJ201.8J201.7J201.6J201.5J201.4J201.3J201.2J201.1uPRH OPERATOR’SPRESENCE SENSOR (S1)LH OPERATOR’SPRESENCE SENSOR (S2)P1P2P3LD7LD8LD9LD6LD5LD4LD3LD2LD1Figure 12: