Whirlpool WED7800XL Installation Guide - Page 14

If you prefer, dryer may be converted to exhaust through the bottom. You must contact your local dealer to have dryer converted. Special provisions for mobile homes: Exhaust vent must be securely fastened to a noncombustible portion of mobile home and must not terminate beneath the mobile home. Terminate exhaust vent outside. A B A. Standard rear offset exhaust installation B. Bottom exhaust installation Alternate installations for close clearances Venting systems come in many varieties. Select the type best for your installation. Two close-clearance installations are shown. Refer to the manufacturer's instructions. A B  A. Over-the-top installation (also available with one offset elbow) B. Periscope installation NOTE: The following kits for close clearance alternate installations are available for purchase. Contact your local dealer. ■■ Over-the-Top Installation: Part Number 4396028 ■■ Periscope Installation (For use with dryer vent to wall vent mismatch): Part Number 4396037 - 0" (0 mm) to 18" (460 mm) mismatch P art Number 4396011 - 18" (460 mm) to 29" (737 mm) mismatch Part Number 4396014 - 29" (737 mm) to 50" (1270 mm) mismatch Moblie Home Exhaust installation Determine vent path: ■■ Select route that will provide straightest and most direct path outdoors. ■■ Plan installation to use fewest number of elbows and turns. ■■ When using elbows or making turns, allow as much room as possible. ■■ Bend vent gradually to avoid kinking. ■■ Use as few 90° turns as possible. Determine vent length and elbows needed for best drying performance: ■■ Use following Vent System Chart to determine type of vent material and hood combinations acceptable to use. NOTE: Do not use vent runs longer than those specified in Vent System Chart. Exhaust systems longer than those specified will: ■■ Shorten life of dryer. ■■ Reduce performance, resulting in longer drying times and increased energy usage. The Vent System Charts provide venting requirements that will help achieve best drying performance. Whirlpool Vent System Chart Number of 90° elbows Type of vent Box/louvered hoods Angled hoods 0 Rigid metal 64 ft. (20 m) 58 ft. (17.7 m) 1 Rigid metal 54 ft. (16.5 m) 48 ft. (14.6 m) 2 Rigid metal 44 ft. (13.4 m) 38 ft. (11.6 m) 3 Rigid metal 35 ft. (10.7 m) 29 ft. (8.8 m) 4 Rigid metal 27 ft. (8.2 m) 21 ft. (6.4 m) 14