– 7 –InstallationWARNING: Before beginning the installation,switch power off at the service panel and lock theservice disconnecting means. When the servicedisconnecting means cannot be locked, securelyfasten a warning tag to the service panel.Note: The complete installation instructions areinclosed with the Use and Care Manual. Carefullyread and follow these instructions.The following minimum clearance dimensions mustbe maintained.Power SupplyThe cooktop must be connected to a supply circuitof the proper voltage and frequency as specifiedon the rating plate. Wire size must conform to theNational Electrical Code or the prevailing local code.The rating plate is located on the bottom of theburner box.WiringBuilt-in power leads are UL-approved for connectionto larger gauge household wiring. The insulation ofthese leads is rated at temperatures much higherthan the temperature rating of household wiring.The current-carrying capacity of a conductor isgoverned by the temperature rating of the insulationaround the wire rather than the wire gauge alone.WARNING: Improper connection of aluminum housewiring to these copper leads can result in a seriousproblem. Use only connectors designed for joiningcopper to aluminum and follow the manufacturer'srecommended procedure closely.Ceramic Glass CooktopIf the glass is damaged, it may be replaced as aseparate part. The touch board and electronics areseparate parts.Models PHP900 and ZHU3013″ MAX. Depth of uprotectedoverhead cabinets30″ MIN.Clearance fromcountertop tounprotectedoverhead surface2″ MIN. Clearancefrom cutout to sidewall on the left ofthe unit15″ MIN. Heightfrom countertop tonearest cabinet oneither side of unit2″ MIN. Clearancefrom cutout toside wall on theright of the unit21-3/8″(21-1/2″ SS) at center28-1/4″Cooktop29-3/4″(29-7/8″ SS)19-3/8″4-5/8“ at frontbaffle3-1/4” at rear airintakeModels PHP960 and ZHU3620-7/8″(21″ SS) at center33-5/8″Cooktop36″(36-1/8″ SS) at center18-7/8″4-5/8“ at frontbaffle3-1/4” at rear airintakeIf a 30-in. clearance between the cooking surfaceand overhead combustible materials or metalcabinets cannot be maintained, a minimumclearance of 24-in. is required and the underside ofthe cabinets above the cooktop must be protectedwith not less than 1/4-in. insulating millboardcovered with sheet metal not less than 0.0122-in.thick.Grounding SpecificationsGround Path Resistance 0.10Ω Max.Insulation Resistance 205KΩ Min..Overcurrent ProtectionMaximum Kilowatt RatingSize NEC Rating 208V 236V 240V30-in. 40 Amp 8.3 9.4 9.636-in. 50 Amp 10.4 11.8 12.0The branch circuit load for one counter-mountedcooktop is the rating on the nomenclature plate.