Whirlpool MH1170XSB Installation Instructions - Page 12

Recommended Vent Length A 31/4"x 10" (8.3 x 25.4 cm) rectangular or 6" (15.2 cm) round vent should be used. The total length of the vent system including straight vent, elbow(s), transitions and wall or roof caps must not exceed the equivalent of 140 ft (42.7 m) for either type of vent. See "Recommended Standard Fittings" section for equivalent lengths. For best performance, use no more than three 90 ° elbows. To calculate the length of the system you need, add the equivalent lengths of each vent piece used in the system. See the following examples: 31/4'' x 10" (8.3 x 25.4 cm) vent system = 73 ft (22.2 m) total A B (0.6m) 2 ft I _f] C A. One 3 _" x !0" (8.3 x 25.4 cm) 90 ° elbow = 25 ft (7. 6 m) B. wall cap = 40 ft (12.2 rn) C. 2 ft (0.6 m) + 6 ft (1.8 m) straight = 8 ft (2.4 m) 6" (15.2 cm) vent system = 73 ft (22.2 m) total A B I_ 6 ft (1.8 m) ASSISTANCE Call your authorized dealer or service center. When you call, you will need the microwave oven model number and serial number. Both numbers can be found on the model and serial number plate, which is located behind the microwave oven door on the front frame of the microwave oven. If you need additional assistance, call us at our toll free number listed in the Use and Care Guide, or visit us on the Web. If any of the installation hardware needs to be replaced, call us at our toll free number listed in the Use and Care Guide, and reference the appropriate part number listed here. Damper Assembly Part Number 8206556 Mounting Plate Part Number 8206315 Upper Cabinet Template Part Number 8205871 Mounting Screw Kit (includes parts A-G in "Parts Supplied" section) Part Number 8206432 Filler Panel Kits are available from your dealer to use when installing this microwave oven in a 36" (91.4 cm) or 42" (106.7 cm) wide opening. The filler panels come in pairs. Each panel is 3" (7.6 cm) wide. co (0.6mk C D A. Two 90 ° elbows = 20 ft (6.1 m) B. 1 wall cap = 40 ft (12.2 rn) C. 1 rectangular to round transition piece = 5 ft (1.5 m) D. 2 ft (O.6 m) + 6 ft (!.S m) straight = S ft (2.4 m) If the existing vent is round, a rectangular to round transition piece must be used. In addition, a rectangular 3" (7.6 cm) extension vent between the damper assembly and rectangular to round transition piece must be installed to keep the damper from sticking. Filler Panel Kit Number 8171336 8171337 8171338 8171339 99403 White Black Biscuit Stainless Steel Almond See your authorized dealer or service center for details. 8206555 © 2006, All rights reserved. 4619-656-17423 3/06 Printed in China