Kussmaul Electronics 091-9-AD - Manual (Page 4)

1. Install the black sleeving over the solenoid wires
2. Connect the AUTO DRAIN solenoid wires to output terminals of pressure switch. These are the
same terminals that supply power to the AUTO PUMP motor
3. The AUTO DRAIN is now properly connected. Test by bleeding system pressure to start AUTO
PUMP and note that when pump shuts down, air and moisture will bleed out of drain tube.
4. Position drain tube to direct moisture to exterior of vehicle.
AUTO DRAIN WIRING INSTALLATION
AUTO DRAIN SOLENOID
CAUTION: Observe Correct Polarity