Installation & Maintenance - Protectoseal

Installation & Maintenance GuidePage 23PROTECTOSEAL SERIES NO. 20TANK BLANKETING VALVEIf the unit is connected to the system:01. Open the sense line shut-off valve.02. Turn the handle on the 3-way valve back to its original position to open the pathfrom the blanketing valve outlet to the tank and shut-off the auxiliary port.03. Open the inlet supply shut-off valve.Open and reset the purge meter if that option is included with the blanketing valve.■ MAINTENANCEIf any of the components of the field test kit do not function properly, consult the factory forassistance in ordering replacement parts.The following Figs. will appear on the next pages:Fig. 14Higher Pressure Set Point (2.1 to 69.2 inches W.C.) Field Test KitWith Outlet Line 3-Way Valve & Sense Line Shut-Off ValveFig. 15Low Pressure or Vacuum Set Point (-0.5 to 2.0 inches W.C.) Field Test KitWithout Outlet Line 3-Way Valve or Sense Line Shut-Off ValveFig. 16Combination of all Available Accessories