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4. IF THE HOOD IS TO BE “BACK VENTED”, PROCEED DIRECTLY TO STEP 5.
Consult the connection diagrams (following) for further details on exhaust outlet placement.
Method 1: Install the duct(s) from the outside of the home down to the location of the exhaust
outlet(s) on the top of the hood or to the transition (if applicable).
• If a transition is used, install duct down to the location of the transition outlet plus 1”.
This will allow the transition to engage 1” inside of duct.
Method 2: Install the duct(s) from the outside of the home to the ceiling over the exhaust
outlet(s) on the hood. The end of the duct(s) should extend 1” below the ceiling.
• Use foil HVAC tape (not grey cloth duct tape) to seal all joints. See “VENT ACCESSORIES” on
page18 for a listing of available Hestan ducting materials.
TRANSITION HEIGHTS:TRANSITION HEIGHTS:
Dual Blower (WM2L = 600 CFM): none - 8” round duct will connect directly to the top of the
hood.
Single and Dual Blower (WM1L + WM2L = 900 CFM): 6” round duct will connect directly to the
top of the hood; 8” round will connect directly to the top of the hood.
If using the optional multi-blower transition (AKVT6810, sold seperately), a 10”
round duct connects to it 17-1/2” above top of hood. See “VENT ACCESSORIES” on
page18 for details.
Two Dual Blowers (Two WM2Ls = 1200 CFM):
Two 8” round ducts connect directly to the top of the hood.
If using the optional multi-blower transition (AKVT8812, sold seperately), a 12” round
duct connects to it 16-1/2” above top of hood.
See “VENT ACCESSORIES” on page18 for details.
CONNECTION DIAGRAMS CONNECTION DIAGRAMS
Motor
Cooling
Vent (2)
Electrical
WM2L Dual Blower (600 CFM ) (Top View)
(Wall Side)
Centerline
of Hood
Connection Diagram (30-36” width)
8" [20.3 cm] Round
5-1/2"
[14 cm]
1-3/4"
[4.4 cm]
5-1/4"
[13.3 cm]
INSTALLATION
(CONT.)
©2020 Hestan Commercial Corporation
12
EN
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