valutazioni - 4, GPA: 4.3 ( )

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2. A fully Iouvered closet door MUST have a minimum of 250 Square Inches of free area in the upper half of the door. Furnace to Closet Door Clearance -Less than 1 Inch The closet door MUST have three return air gdlles. The total free area of the two upper grilles must be minimum of 250 Square Inches. The total free area of the lower gdlle MUST be a minimum of 50 Square Inches. The grilles MUST BE ALIGNED directly opposite the return air grille of the furnace door. FIGURE 5 : Furnace To Closet Door Clearance -Less Than 1" Unitary Products Group 035-16328-002 Rev. C (0902) ROOF JACK AWARNING Failure to follow aft venting instructions can result in fire, asphyxiation, or explosion. [AkCAUTION Only use the appropriate roof jack. See Figures 6 & 7 for correct application. Do not exceed the maximum height as determined from Figures 6 & 7. Installer should allow an additional 1-1/2" travel before the flue pipe assembly is fully extended against the built-in stop. This provides an additional safeguard against the flue assembly being pulled from the roof jack during transportation or other stress conditions. EXISTING FURNACE REPLACEMENT If this furnace replaces an existing furnace, do the following: f. If a 2nd roof, roof cop or addition has been made to the existing roof of the home, remove the old roof jack completely! To avoid the possibility of an impropedy installed pipe or gaps in the old roof jack, INSTALL A NEW ROOF JACK. Your ceiling and roof height will determine the cor rect roof jack to use. Refer to the vent selection table, of the furnace installation instructions. 2. After unpacking the roof jack, check the rain caps. Insure they are not damaged, tilted or crooked. Do not twist, crush or sit on the roof cape during installation. Damaged roof cape will cause improper furnace operation. The furnace will not heat properly and could result in explosion. 3. Before inserting the roof jack into the furnace top, inspect the furnace flue and combustion air opening for debris or insulation which might have fallen in during pre- installation steps. Do not proceed unless all debris has been cleaned out or removed. 4. After installing roof jack on furnace top collar, check to make sure there is no gap in back or side between the pipe collar and the furnace casing top. 5. Use only the pipes provided with the roof jack assembly. Do not add to or adapt other sheet metal pipes. Do not cut, insert or add other pipes to this assembly. 6. In no case should there be a gap between sections of the flue pipe or the combustion air pipe. If necessary to prevent excessive air leakage, the installer should seal joints in the combustion air tube with aluminum type or other suitable sealant. NEW HOME INSTALLATION If this furnace is installedon a new home do the following: 1. Inspect the furnace top collars for signs of insulation or ceiling debris which might have fallen in during cutting of the ceiling and roof holes. Remove all debris before continuing. 2. After unpacking the roof jack, check the rain caps. Insure they are not damaged, tilted or crooked. Do not twist, crush or sit on the roof caps during installation. Damaged roof cops will cause improper furnace operation. The furnace will not heat properly and could result inexplosion. 3. Before inserting the vent pipe into the furnace top, inspect the furnace flue and combustion air opening for debris or insulationwhich have fallen in during pre-installation steps. Do not proceed unless all debris have been cleaned out or removed. 4. After installing roof jack on furnace top c...

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