Thermador PRG366WG Installation Instructions - Page 21
wire connection
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• If the correct power supply circuit is not provided, it is the responsibility and obligation of the installer and user to have proper power supply connected. This must be accomplished in accordance with all applicable local codes and ordinances by a qualified electrician. It is the responsibility of the installer to ensure compliance of local codes. In the absence of local codes and ordinances, the power supply connection shall be in accordance with the National Electric Code. • Observe all governing codes and ordinances when grounding. In the absence of these codes or ordinances observe National Electrical Code ANSI/ NFPA No. 70 current issue. See the following information in this section for grounding method. • Electrical wiring diagrams and schematics have been placed in the kick panel area of the range for access by a qualified service technician. • The ranges are to be connected to a 240/208 VAC power supply. • Dual Fuel models must be connected to the power supply utilizing one of the following methods. For all methods of connection, the length of the cord or conduit/wiring must allow the unit to be slid completely out of the cabinet without having to unplug or disconnect the unit from the power supply. • Recommended minimum free length of cord or conduit is 4ft (1.2 m). Electrical installations and grounding must be in accordance with all local codes and ordinances, and/or the National Electric Code, as applicable. 4-wire connection This appliance must be connected to the power supply with a listed (UL, CSA, ...) 3-POLE, 4-CONDUCTOR cord kit rated 125/250 VOLTS, 50 AMPERES DEDICATED CIRCUIT, and marked for use with ranges. It is the responsibility of the installer to provide the proper wiring components (cord, wires, etc.) and complete the electrical connection as dictated by local codes and ordinances, and/or the National Electrical Code. The cord kit is required to be attached to the range terminal block with a strain relief (not provided) which will fit a 1'' (25.4 mm) diameter hole. If not already equipped, the cord must also have 1/4'' (6 mm) faston closed-loop lugs attached to the free ends of the individual conductors, preferably soldered in place. To wire a 4-wire connection 1. Locate the terminal block on the rear of the unit and remove cover. 2. Remove upper nuts only from the terminal block studs. DO NOT remove lower nuts which secure range internal wiring leads. 3. If applicable, remove the 4-wire power cord from the appliance. 4. Mount strain relief (not provided with range) into the 1'' (25.4 mm) diameter hole in the back panel located below the terminal block. Route wires up through strain relief. 5. Remove green ground screw and serrated washer located beneath the terminal block. 6. Secure the neutral, grounded wire of the supply circuit, to the center stud of the terminal block with nut. 7. Secure the L1 (red) and L2 (black) power leads to the outside terminal studs (brass colored) with nuts. 8. Secure the bare copper ground lead to the range chassis using the ground screw and serrated washer. Be sure that neutral and ground terminals do not touch. d c a b a - Red/L1 c - White/neutral b - Green/ground d - Black/L2 9. Tighten all connections securely and 10. Reinstall the terminal block cover. Page. 20