Vapor Generation Accessory VGA–77 Operation manual

VGA–77Electrical hazardsChemical hazardsThe VGA-77 contains electrical circuits, devices and componentsoperating at dangerous voltages. Contact with these circuits, devicesand components can cause death, serious injury or painful electricshock. Covers that are retained by screws on the VGA-77 may beopened only by Varian-trained, Varian-qualified or Varian-approvedcustomer service representatives (CSR).Use of the wrong supply voltage, connection of the accessory to anincorrectly wired supply outlet, or lack of proper electrical groundingcan create a fire or shock hazard that can cause death, serious injury,or serious damage to equipment.i. Always use a 3-wire outlet with a ground connection that isadequately rated for the load.ii. The installation must comply with local, state and national safetyregulations.iii. Before connecting the VGA-77, make sure the voltage selector iscorrectly set for the mains supply to which you are connecting theaccessory.A blown fuse should be replaced with one of the same size and ratingstated in the text near the fuse holder.Vapor generation methods of analysis involve the generation of toxichydrides and use materials which are toxic, highly corrosive orotherwise hazardous. Careless, improper, or unskilled use of suchmaterials can cause serious personal injury.Always ensure that laboratory safety practices governing the use,handling and disposal of such materials are strictly observed. Thesesafety practices should include the wearing of appropriate safetyclothing.In the VGA-77 system, highly concentrated acids are pumped underpressure. If a leak occurs, acid could be sprayed from the system,causing serious personal injury. Always wear approved safety glasseswarranted to protect the eyes.Never pump concentrated sulfuric acid through the VGA-77 system.x Publication date: May 2004