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Proper installation/ducting is
extremely important to ensure
maximum performance. Use a qualified
and trained installer.
DUCTING
• Check with a qualified and
trained installer or local codes
for makeup air requirements,
if any.
• Max. duct run
o For 300 – 1,200 CFM—50’
(15.2 m)
o For 1,500 CFM—75’
(22.9 m)
o Duct run length is for
general reference only;
always use a qualified and
trained installer.
o Straight runs and gradual
turns are best; for example,
each 90° elbow is equivalent
to 5’ – 10’ (1.52 –
3.05 cm) of straight run.
• 7” round duct for 300 – 600
CFM; 10” for 900 – 1500 CFM
o Never use flexible duct; it
creates back pressure/air
turbulence and greatly
reduces performance.
GAS
Not applicable
ELECTRICAL
• Hardwire direct with two-wire
with ground
• 120 VAC/60 Hz
• Max. amp usage (rating
includes rec. ventilator kit
rating)
PLUMBING
Not applicable
PLANNING AND DESIGN GUIDE
VIKINGRANGE.COM • 1-888-VIKING1
RELEASED 12/1/07
©2007 VRC—INFORMATION SUBJECT TO CHANGE
Chimney Wall HoodWall Hood
VENTILATION
Professional Built-In 18”H.
Wall Hood/Chimney Wall Hood
Installation Requirements
Model Ventilator Kits Duct Size Max. Amps
Interior Exterior Interior Exterior Interior Exterior
VWH2448 VIV300/600 VEV900/1200* 7” (17.8 cm) 10” (25.4 cm) 5.0/6.2 8.7/6.1
VWH3048 VIV300/600/1200* VEV900/1200* 7”(17.8 cm)/10” (25.4 cm) 10” (25.4 cm) 5.0/6.2/8.7 8.7/6.1
VWH3648 VIV300/600/1200* VEV900/1200* 7”(17.8 cm)/10” (25.4 cm) 10” (25.4 cm) 5.0/6.2/8.7 8.7/6.1
VWH4248 VIV600/1200* VEV900/1200* 7”(17.8 cm)/10” (25.4 cm) 10” (25.4 cm) 6.2/8.7 8.7/6.1
VWH4848 VIV1200* VEV1200/1500** 10” (25.4 cm) 10” (25.4 cm) 11.1 8.4/9.1
VWH5448 VIV1200* VEV1200/1500** 10” (25.4 cm) 10” (25.4 cm) 11.1 8.4/9.1
VWH6048 VIV1200* VEV1200/1500** 10” (25.4 cm) 10” (25.4 cm) 11.5 8.8/9.5
VWH6648 VIV1200* VEV1200/1500** 10” (25.4 cm) 10” (25.4 cm) 11.5 8.8./9.5
VWH3678 VIV300/600/1200* VEV900/1200* 7”(17.8 cm)/10” (25.4 cm) 10” (25.4 cm) 5.0/6.2/8.7 8.7/6.1
VWH4878 VIV1200* VEV1200/1500** 10” (25.4 cm) 10” (25.4 cm) 11.1 8.4/9.1
VWH6078 VIV1200* VEV1200/1500** 10” (25.4 cm) 10” (25.4 cm) 11.5 8.8/9.5
VCWH3048 DIV300/600 DEV900/1200* 7” (17.8 cm) 10” (25.4 cm) 3.9/6.0 8.7/6.0
VCWH3648 DIV300/600* DEV900/1200* 7” (17.8 cm) 10” (25.4 cm) 3.9/6.0 8.7/6.0
VCWH4248 DIV600* DEV900/1200* 7” (17.8 cm) 10” (25.4 cm) 6.0 8.7/6.1
VCWH4848 DIV1200* DEV1200/1500* 10” (25.4 cm) 10” (25.4 cm) 11.5 8.5/9.2
VCWH5448 DIV1200* DEV1200/1500 10” (25.4 cm) 10” (25.4 cm) 11.5 8.5/9.2
VCWH6048 DIV1200* DEV1200/1500 10” (25.4 cm) 10” (25.4 cm) 11.9 8.9/9.7
VCWH6648 DIV1200* DEV1200/1500 10” (25.4 cm) 10” (25.4 cm) 11.9 8.9/9.7
* A 1,200 CFM interior- or exterior-power ventilator should be used when installed over range/rangetop with gas char-grill.
** It is recommended that the 1,500 CFM ventilator be used with longer duct runs.
Note: Maximum amp rating for hoods includes recommended ventilator kit rating; All products must be hard wired with 2-wire with ground. An interior-
or exterior-power ventilator kit must be purchased for installation with all 18”H. hoods.
Note: All CFMs are based on tests with 0.1 static pressure. Without applying static pressure (some brands do not), CFM could be
greatly overstated.
UTILITY REQUIREMENTS