Bosch HMV9302 Installation Instructions - Page 8
Step 2, Prepare The Venting System
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STEP 2: PREPARE THE VENTING SYSTEM NOTE: The ductwork you need for outside ventilation is not included with your oven. The standard ductwork fittings and length are shown in Figure 9, page 9. WARNING:FIRE HAZARD THIS OVEN MUST BE PROPERLY VENTED! You may vent your oven in one of three ways: Roof-venting If your oven is located on an outside wall near the roof, as in Figures 5 (31/4" x 10" duct) and 8 (6" round duct.) Wall-venting If your oven is located on an outside wall on the first floor of your house, as in Figure 7 (31/4" x 10" duct) and Figure 6 (6" round duct.) Room-venting If your oven is located on an inside wall of your house, as in Figure 8. NOTE: If you choose the rear exhaust method (roof- or wall-venting), be sure there is enough clearance within the wall for the exhaust duct. cabinet "roof-venting" roof cap 3 1/4"x10" duct oven Roof-venting through-the-roof Figure 5 roof cap 6" min. diameter round duct wall cap elbow 3 1/4" to round duct transition 3 1/4" to round ductwork transition Figure 6 cabinet "wall-venting" wall cap room-venting cabinet oven Wall-venting 3 1/4"x10" through-the-wall duct Figure 7 oven Figure 8 REMEMBER AS YOU INSTALL THE VENTING: • Keep the length of the ductwork and the number of elbows to a minimum to ventilate your oven efficiently. See examples on page 9. • Keep the size of the ductwork the same. • Do not install two elbows together. • Use duct tape to seal all joints in the duct system. • Use caulking to seal the exterior wall or roof opening around the cap. 8