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TOOLS NEEDED FOR INSTALLATION
• Saber Saw or Jig Saw
• Drill
• 1 1/4" Wood Drill Bit
• Pliers
• Phillips Screwdriver
• Flat Blade Screwdriver
• Wire Stripper or Utility Knife
• Metal Snips
• Measuring Tape or Ruler
• Level
• Pencil
• Caulking Gun
• Duct Tape
PARTS SUPPLIED FOR INSTALLATION
• 6 Mounting Brackets (2 support legs, 2 under counter and
2 over-counter brackets
• 2 End Caps
• Installation Screws
• 1 Literature Package
• 1 Backdraft Damper
PARTS NEEDED FOR INSTALLATION
• 2 Conduit Connectors
• Power Supply Cable
• Wiring Cable - Optional Remote Blower Only
• 1 Wall or Roof Cap
• All Metal Ductwork
OPTIONAL ACCESSORIES AVAILABLE (CHOOSE 1 BLOWER)
• Internal Blower model #IB500
• Remote Blower model# RBORIG900 / RBORIG1200
PLAN THE DUCTWORK
The Scirocco Plus downdraft system is designed to offer wide
flexibility in ducting. The interior blower can be ducted in
four different directions; down, left, right or back using a 6"
round vent. The remote blower can be ducted down using
a 10" round vent.
The remote blower requires a separate wiring cable that
should be installed at the same time that the ductwork is
installed. For best results, 10" duct is recommended for the
remote blower. A damper plate is included in the box with the
downdraft package and must be attached over the
opening of the front / back of the downdraft blower box.
Remote blower can be mounted on either an outside wall or
the roof of the home.
WARNING
!
When planning the cutout for the downdraft:
• Draw both the cooktop and downdraft cutouts on the
countertop before making any cuts.
• Check that there is enough room in the cabinet for both.
Failure to follow these warnings could result in damage to
the countertop.
CALCULATE THE DUCTRUN LENGTH
The ductwork length should not exceed 55 equivalent feet for
6" duct, or 75 equivalent feet for 10" round duct. Calculate
the length of the ductwork by adding the equivalent feet listed
in FIGURE 1 for each piece of duct in the complete system.
An example is given in FIGURE 2.
For best results, use no more than three 90° elbows. Make
sure that there is a minimum of 24" of straight duct between
elbows if more than one is used. Do not install two elbows
together. Round duct is recommended instead of rectangular
duct especially if elbows are needed. For internal blower
models, rectangular duct should be transitioned to 6" round
as soon as possible.
45˚ Elbow
5.0 feet
90˚ Elbow
7.0 feet
90˚ Flat Elbow
12.0 feet
Wall Cap
0.0 feet
FIGURE 1
9 Feet Straight Duct
9.0 feet
2 - 90˚ Elbows
14.0 feet
Wall Cap
0.0 feet
Total System
23.0 feet
FIGURE 2
Version 6/12 - Page 4
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