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Hydrostatic Sensor Installation Guide Before You Begin <br /> GLOVES USE SAFETY BARRICADES <br /> Wear gloves to protect hands from Unauthorized people or vehicles in <br /> f irritation or injury. .' the work area are dangerous.Always <br /> use safety cones or barricades, <br /> safety tape,and your vehicle to block <br /> the work area. <br /> READ ALL RELATED MANUALS <br /> Knowledge of all related procedures <br /> before you begin work is important. <br /> Read and understand all manuals <br /> thoroughly.If you do not understand <br /> a procedure,ask someone who does. <br /> Before You Begin <br /> AWARNING <br /> This product is to be installed and operated in the highly combustible <br /> environment of a gasoline storage tank where flammable liquids and explosive <br /> vapors may be present. Improper installation may result in fire or explosion <br /> causing serious injury or death. <br /> It is your responsibility to install this product in accordance with the <br /> instructions and warnings found in this manual. Failure to do so could result <br /> in undetected potential environmental and health hazards. <br /> This device is connected to equipment in which potentially lethal voltages <br /> exist. Electrical shock resulting in serious injury or death may result if the <br /> device is improperly installed. <br /> Observe the following precautions: <br /> 1. Read and follow all instructions in this manual, including all safety <br /> warnings. <br /> 2. Comply with all applicable codes including:the National Electrical Code; <br /> federal, state,and local codes; and other applicable safety codes. <br /> y 3. Before installing this device,turn Off and lock out power to the system, <br /> - including console and submersible pumps. <br /> 4. To protect yourself and others from being struck by vehicles, block off <br /> your work area during installation or service. <br /> 5. Substitution of components may impair intrinsic safety. <br /> System Description <br /> The Veeder-Root Hydrostatic Reservoir Sensor accurately detects the fluid level change in the reservoir and interstitial <br /> space of a double-wall fiberglass tank. <br /> The hydrostatic sensor is available in a Dual-Point or Single-Point configuration. The Dual-Point version is ideal for high <br /> groundwater areas,and can differentiate between a high level alarm condition and a low level alarm condition.If an <br /> inner-wall leak occurs,the brine solution seeps into the tank lowering the brine level in the reservoir. The Dual-Point <br /> Sensor will then trigger a low level alarm.If an outer-wall leak occurs,the groundwater seeps into the reservoir. The <br /> Dual-Point sensor will then trigger a high level alarm. <br /> The Single-Point Sensor is ideal for low groundwater areas,since it only detects low level alarm conditions.If an inner- <br /> wall leak occurs,the brine solution seeps into the tank. If an outer-wall leak occurs,the brine solution seeps out of the <br /> tank.In both cases,the brine level decreases and the Single-Point Sensor triggers a low level alarm. <br /> 2 <br />