Figure 9.11 Attach the first vent section (it will snap into place). Slide the insulation gasket onto the vent section, up against the appliance and over the tabs.
C. Installing the Non-combustible Board
The factory supplied
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Figure 9.12 Non-combustible Board
D. Securing and Leveling the Appliance
WARNING! Risk of Fire! Prevent contact with:
•Sagging or loose insulation
•Insulation backing or plastic
•Framing and other combustible materials
Block openings into the chase to prevent entry of blown- in insulation. Make sure insulation and other materials are secured.
DO NOT notch the framing around the appliance standoffs.
Failure to maintain air space clearance may cause overheating and fire.
The diagram shows how to properly position and secure the appliance (see Figure 9.15). Nailing tabs are provided to secure the appliance to the framing members.
•Bend out nailing tabs on each side.
•Place the appliance into position.
•Keep nailing tabs flush with the framing.
•Level the appliance from side to side and front to back.
•“Square” the unit by securing diagonal dimensions to within 1/4 inch of each other. See Figure 9.13.
•Shim the appliance as necessary. It is acceptable to use wood shims underneath the appliance.
•Secure the appliance to the framing by using nails or screws through the nailing tabs.
•Secure the appliance to the floor by inserting two screws through the pilot holes at the bottom of the appliance.
A | B |
Note: Diagonal dimensions (A) and (B) must be within 1/4 inch of each other.
Figure 9.13 Positioning the Appliance Squarely
NAILING TABS |
(BOTH SIDES) |
PILOT HOLES |
Figure 9.14 Proper Positioning and Securing of an Appliance |
42 | Heatilator • |