Viking RVDD336R Installation Instructions - Page 3
Plan The Ductwork, Take Measurements - direct
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VIKING RANGE, LLC TAKE MEASUREMENTS (CONTINUED) Downdraft Ventilators Interior Blower Installation Exterior Blower Installation SIDE VIEW OF DOWNDRAFT WITH VIDV500 INTERIOR BLOWER VIDV500 INTERIOR BLOWER SIDE VIEW OF DOWNDRAFT WITH 10" ROUND ELBOW (for connection to VEDV900 or VEDV1200 (DIPR150RSS only)) PLAN THE DUCTWORK Interior Blower Installation 1. The interior downdraft blower system is designed for use with 3-1/4" x 10" ductwork (can be transitioned to 6" round). Three different discharge directions are available with side-toside adjustment for accurate alignment of ductwork. LEFT DISCHARGE 2. For best performance: RIGHT Choose the ducting option which allows DISCHARGE the shortest length of ductwork and a DOWN DISCHARGE minimum number of elbows and transitions. Check location of floor joists, wall studs, electrical wiring or plumbing for possible interference. 6" ROUND ELBOW 3-1/4" X 10" TO 6" RD. TRANSITION 3-1/4" X 10" 90O ELBOW Exterior Blower Installation 1. The exterior downdraft blower system is designed for use with 10" round ductwork. 2. For best performance: Plan ducting which has the shortest length of ductwork and a minimum number of elbows. Check location of floor joists, wall studs, electrical wiring or plumbing for possible interference. 10" ROUND DISCHARGE PLATE 10" ROUND ELBOW EQUALS 6 FT. OF STRAIGHT DUCT EQUALS 6 FT. OF STRAIGHT DUCT EQUALS 2 FT. OF STRAIGHT DUCT EQUALS 8 FT. OF STRAIGHT DUCT 3. The system will operate most efficiently when the ductwork does not exceed 40 feet of equivalent duct. The chart, above, shows equivalent feet of elbows and transitions. The number of feet of straight duct plus the equivalent feet of transitions and/or elbows to be used should equal 40 feet or less. 3. The system will operate most efficiently when the ductwork does not exceed 40 feet of equivalent duct. The illustration, above, shows equivalent feet of a 10" round elbow.The number of feet of straight duct plus the equivalent feet of elbows to be used should equal 40 feet or less. NOTE: The equivalent feet of various roof and wall caps has been taken into consideration. Do not include them in this calculation. NOTE: The equivalent feet of various roof and wall caps has been taken into consideration. Do not include them in this calculation. 3