Installation guide
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30”W.*  300 int/600 int./1200 int./900 ext./1200 ext. 2 2 0 2.4/4.6/6.6/6.6/3.9
36”W.*
300 int/600 int./1200 int./900 ext./1200 ext. 2 2 1 2.4/4.6/6.6/6.6/3.9
42”W.* 600 int./1200 int./900 ext./1200 ext. 2 3 0 4.6/6.6/6.6/4.0
48”W.
1200 int./1200 ext./1500 ext. 3 3 0 7.0/4.3/5.1
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VIV300 (interior) 300 7” round 50
VIV600 (interior) 600 7” round 50
VIV1200 (interior) 1200 10” round 50
VEV900 (exterior) 900 10” round 50
VEV1200 (exterior) 1200 10” round 50
VEV1500 (exterior) 1500 10” round 75
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1. •All CFMs stated are based on tests at .1 static pressure: without applying static pressure, CFM would be greatly
overstated.
2. •Duct run length is for general reference only; for longer duct runs, increase duct size and contact a qualified and trained
installer.
•Straight runs and gradual turns are best; for example, each 90
o
elbow is equivalent to 5-10 feet (1.52 - 3.05 cm) of
straight run.
•Never use flexible duct; it creates back pressure/air turbulence and greatly reduces performance. 
•Proper performance is dependent upon proper ducting; make sure that a qualified and trained installer is used.
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3. •Max. amp rating for hoods includes recommended ventilator kit rating; all products must be hard wired direct with 2-
wire with ground. 
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