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Model: WLC-7000

Short Description

Pump down or drain only system with internal diagnostic test system - WaterLine Controls™ Model WLC-7000.

Enclosure: 8-3/4” X 10-1/2” X 6” including the hinge and the latch. For indoor and outdoor use.
Electrical: Controls operate at 0.5AMPS at 110VAC Internal Relay Contacts rated 30AMPS at 250Volts Dry Contacts for BMS are rated 0.5AMPS at 60Volts. The Sensor is Intrinsically Safe.

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PUMP DOWN OR DRAIN ONLY SYSTEM – WITH INTERNAL DIAGNOSTIC TEST SYSTEM

WaterLine Controls™ Model WLC-7000 (50, 100, 150 or 200 depending on Sensor wire length) Specification Electronic Water Level Controls

The Model WLC-7000 WaterLine Controls as supplied by System Dynamics, Inc (WLC-7000) shall be supplied as a unit, including senor with wire, controller. The system shall be solid state, with non-corrosive components, NEMA 4 enclosure with all components suitable for use outdoors in an Industrial Application or mechanical room environment. These controls can be used with a pressure switch or float switches. The system will provide automation monitoring, fine control, ease of operation, ease of service and accessibility.

The environment water level shall be controlled automatically within a range identified as "the operating range". The operating range will monitor a single drain set point and act upon it to lower the water level to a predetermined differential low set point.

The water level control system shall be comprised of a sensor and sensor housing with wire attached and installed at water level operating range, control panel mounted at a convenient location and a relay to operate a pump or gate valve.

The 3" sensor housing shall be installed according to the drawings. The sensor shall be mounted at the operating water level range and in a safe and convenient location according to the drawings using the "U" bolts provided. The sensor assembly shall be of solid state construction and contain three sensing probes made of stainless steel. Units with floats or moving parts will not be considered as approved equals and shall be rejected.

The Sensor shall be connected to the control panel with a maximum of 200 ft of wire provided as part of the sensor. The wire comes in 50ft increments up to 200ft and cannot be spliced to extend it. Specify wire length by the ending three digits of the part number.

The control panel shall be solid state construction and approved for installation by applicable regulations and draw no more that 0.25 Amps at 110VAC and 0.125 Amps at 220VAC. All Power relays are rated at 30Amps 250VAC. Each output function shall have a corresponding set of normally open dry contacts rated at 0.5Amps at 60Volts to be connected to an monitoring automation system.

Control Panel shall feature displays indicating Power, Draining a fault indicator and a test system to test the electronics portion of the controls without removing or disconnecting the probes. The system shall have a time delay between sensing and draining before initializing the relay to operate a pump or gate valve. The system will have a switch to activate the test process and it will automatically cycle through the drain process. The system will have a light to indicate that it is in the test mode. The "Fault" indicator will change the power LED (green) to red when the "Drain" command has been "ON" for greater than six continuous hours. After one minute it will turn back to green and the system will function normally. The system is available in 110VAC or 220VAC 50/60Hz and is hard wired into a panel for permanent installation.