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' 09-04-'08 10:18 FROM-Western Pump, Inc. 619-236-7406 T-530 P010/019 F-786 <br /> Dual-Point Hydrostatic Sensor Installation <br /> 1. Turn Off power to the console. <br /> 2. lower the sensor into the riser until it rests on the bottom of the reservoir(see Figure 2).Note:Refer to the <br /> tank manufacturer's instructions for setting the proper brine levels.The ideal brine solution level is <br /> approximately halfway between the high and low water levels.With the Dual-Point Sensor resting on the <br /> inner-tank wall,the sensor will alarm when the brine level is below 2"or when the brine level is above 12". <br /> 14"min.dia. <br /> manhole Cord grip nutibushing <br /> / (vent cap not shown) <br /> concrete slab�a cr�Wun <br /> %ilNl' <br /> bor packed earthtper NFPA 80 �. A <br /> Riser pipe capSeal-off <br /> Dual point f 1/2"rigid <br /> hydrostatic sensor conduit <br /> (to Console) <br /> Float <br /> f3rine Igvel__ ` Reservoir <br /> ----- Double-wall <br /> /tank <br /> 8@�@01sV+88®nsp,@p@ <br /> Figur®2. Dual-Point Sensor installation(shown with plastic riser cap) <br /> 3. Riser Cap Installation <br /> a. If you have the plastic riser cap kit <br /> Place the cord grip bushing into either of the threaded fittings in the plastic cap and screw the cord grip <br /> nut over the bushing.With the nut loose,push the end of the sensor cable through the cord grip.Place <br /> the cap in the riser and snap down the cap lever to seat the gasket against the inside of the pipe.Screw the <br /> vent cap from the kit dowel snugly onto the other threaded fitting of the riser cap. <br /> b. If you have the metal riser cap and vent tube <br /> Install the vent tube into one of the cord grips in the metal riser cap(ref.Figure 5 on page 7)and tighten <br /> the cord grip.loosen the other cord grip and push the sensor cable through it.Place the cap in the riser <br /> and snap down the cap lever to seat the gasket against the inside of the pipe. <br /> 4. With the sensor still resting on the bottom of the reservoir,leave a little slack in the sensor cable and tighten <br /> the cable cord grip nut. <br /> 5 <br />