Our Price: $5,950.00. Add to cart. Description. Specification. American Standard 4A7V8060A1000B - Platinum Series 5 Ton, 18 SEER, Variable Speed Air Conditioner Unit, 208-230/1/60. American Standard AccuComfort™ Platinum Series Air Conditioner.. Platinum is a chemical element with the symbol Pt and atomic number 78. It is a dense, malleable, ductile, highly unreactive, precious, silverish-white transition metal.Its name originates from Spanish platina, a diminutive of plata "silver".. Platinum is a member of the platinum group of elements and group 10 of the periodic table of elements.It has six naturally occurring isotopes.