Thermador PRG304GH Installation Instructions - Page 14
Step 6: Electrical, Requirements, Connection &, Grounding - installation manual
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Hook Up • A manual gas shut-off valve must be installed external to the appliance, in a location accessible from the front, for the purpose of shutting off the gas supply. The supply line must not interfere with the back of the unit. Make sure the gas supply is turned off at the manual shut-off valve before connecting the appliance. • The range is supplied with its own pressure regulator that has been permanently mounted within the range body. • Use 3/4" flex line to connect between the gas supply and the appliance gas inlet, located at the lower right portion of the range. (See Figure 9.) The appliance inlet pipe connection is 1/2" NPT. Use caution to avoid crimping the 3/4" flex line when making bends. Suggested length of flex line is 48", however, please check local codes for your area's requirements before installation. • The gas supply connections shall be made by a competent technician and in accordance with local codes or ordinances. In the absence of local codes, the installation must conform to the National Fuel Gas Code ANSI Z223.1/NFPA54- current issue. • Always use pipe sealing compound or Teflon® tape on the pipe threads, and be careful not to apply excessive force when tightening the fittings. • Leak testing of the appliance shall be in accordance with the following instructions. • Turn on gas and check supply line connections for leaks using a soap and water solution. • Bubbles forming indicate a gas leak. Repair all leaks immediately after finding them. WARNING Do not use a flame of any kind to check for gas leaks. CAUTION: The appliance must be isolated from the gas supply piping system by closing its individual manual shut-off valve during any pressure testing of the gas supply piping system at test pressures equal to or less than 1/2 psig (3.5kPa.). The appliance and its individual shut off valve must be disconnected from the gas supply piping system during any pressure testing of the system at test pressures in excess of 1/2 psig (3.5kPa.). When checking the manifold gas pressure, the inlet pressure to the regulator should be at least 6.0" (14.9 mb) W.C. for natural gas or 11.0" (27.4 mb) for propane. Do not attempt any adjustment of the pressure regulator. A Figure 9: Location of Gas Supply Inlet Connection A Figure 10: Location of Gas Supply Inlet Connection on 48" Ranges Step 6: Electrical Requirements, Connection & Grounding Before installing, turn power OFF at the service panel. Lock service panel to prevent power from being turned ON accidentally. English 12