KitchenAid KXU4230YSS Installation Guide - Page 6
Electrical Requirements - range hood
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Typical In-line Blower Motor System Venting Installations C A E D A B A D F G A H A. 10" (25.4 cm) round vent B. Mount on top of ceiling joists. C. Roof caps D. Plywood (optional for some installations) E. Mount on underside of roof rafters. F. Mount from cross-members tied to trusses. G. Duct horizontal; mount to cross-members tied to trusses. H. Wall cap Calculating Vent System Length To calculate the length of the system you need, add the equivalent feet (meters) for each vent piece used in the system. Vent Piece Equivalent Length 45° elbow 2.5 ft (0.8 m) 90° elbow 5.0 ft (1.5 m) Electrical Requirements Observe all governing codes and ordinances. Ensure that the electrical installation is adequate and in conformance with National Electrical Code, ANSI/NFPA 70 (latest edition), or CSA Standards C22.1-94, Canadian Electrical Code, Part 1 and C22.2 No. 0-M91 (latest edition) and all local codes and ordinances. If codes permit and a separate ground wire is used, it is recommended that a qualified electrician determine that the ground path is adequate. A copy of the above code standards can be obtained from: National Fire Protection Association One Batterymarch Park Quincy, MA 02269 CSA International 8501 East Pleasant Valley Road Cleveland, OH 44131-5575 ■ A 120 volt, 60 Hz., AC only, 15-amp, fused electrical circuit is required. ■ If the house has aluminum wiring, follow the procedure below: 1. Connect a section of solid copper wire to the pigtail leads. 2. Connect the aluminum wiring to the added section of copper wire using special connectors and/or tools designed and UL listed for joining copper to aluminum. Follow the electrical connector manufacturer's recommended procedure. Aluminum/copper connection must conform with local codes and industry accepted wiring practices. ■ Wire sizes and connections must conform with the rating of the appliance as specified on the model/serial rating plate. The model/serial plate is located behind the filter on the rear wall of the range hood. ■ Wire sizes must conform to the requirements of the National Electrical Code, ANSI/NFPA 70 (latest edition), or CSA Standards C22. 1-94, Canadian Electrical Code, Part 1 and C22.2 No. 0-M91 (latest edition) and all local codes and ordinances. The maximum equivalent vent lengths are: 10" (25.4 cm) round vents - 60 ft (18.3 m) Example vent system 90 elbow 6 ft (1.8 m) Wall cap 2 ft (0.6 m) The following example falls within the maximum recommended vent length. 1 - 90° elbow 1 - wall cap = 5.0 ft (1.5 m) = 0.0 ft (0.0 m) 8 ft (2.4 m) straight = 8.0 ft (2.4 m) Length of system = 13.0 ft (3.9 m) 6