InSinkErator Model WX-300 Owners Manual - Page 12
Electrical Connections
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Electrical Connections ELECTRICAL SHOCK • Turn off all electrical supply to the disposer before attempting any work on it. Use a voltmeter or circuit tester to ensure that power is off. • All Installation work must conform to local plumbing and electrical codes. • All components (disposer, WX, control center and solenoids) must be carefully and permanently grounded. • A properly fused disconnect must be installed at the electrical supply source for the control center. • The control center's door disconnect must be in the off position before the panel door can be opened. Power is still present at the disconnect until power is turned off at the electrical supply source. LINE VOLTAGE Connect the incoming line power to the electrical disconnect switch and connect the disposer motor to labeled terminal blocks in the control center. Use the appropriate voltage and phase wiring diagram(s) in the Wiring Diagram section at the end of this manual. A wiring diagram is also located on the inside door of the control center. Wire the disposer motor for correct voltage using the connection diagram inside the motor terminal box. LOW VOLTAGE The WX-101A control center uses low voltage (24 V) to operate contactor coils, solid state control circuit, push buttons, and solenoid valves. Red wires denote a 24 V circuit. PROPERTY DAMAGE • Ensure that control center voltage and phase match the disposer motor and electrical supply. Check nameplates on disposer and control center for voltage and phase specifications. • Refer to the control center wiring diagrams in this manual for correct connection. • Use NEMA 4 watertight electrical connectors (not supplied) when making electrical connections to the control center. COLD WATER SOLENOID VALVE One 24 V cold water solenoid valve is supplied with control centers. Connect solenoid valve to terminals 4 and 13. Supplied flow control valve is to be connected to cold water line. Wire per local electrical code using NEMA 4 water-tight electrical connections. HOT WATER SOLENOID VALVE One 24 V hot water solenoid valve is supplied with control centers. Connect solenoid valve to terminals 7 and 18. No flow control valve is to be used on hot water line. Use 1/2" compression fitting to connect hot water line to Waste Xpress. PERSONAL INJURY Disconnect electricity at line disconnect switch before servicing system. 13