Assessments - 4, GPA: 3.8 ( )

Fabricante : Louisville Tin and Stove Arquivo Tamanho: 291.64 kb Arquivo Nome : Língua de Ensino:

This can be accomplished by providing 2 permanent openings, one commencing within 12 inches of the ceiling and one within 12 inches of the floor. These openings shall communicate directly with the outdoors, or spaces that communicate freely with the outdoors, such as a ventilated attic and crawl space through galvanized or equivalent corrosion-resistant ducts. Exception: unobstructed stud and joist spaces are acceptable ducts provided that not more than one fire block is removed. Special provisions must be taken to insure that these stud and joist spaces cannot be blocked with insulation or other objects. Each of these openings using vertical ducts shall have a minimum free area of one square inch per 4,000 btu/hr of total input rating of all gas appliances. See Figure B and C. If horizontal ducts are used, the minimum free area shall be one square inch per 2,000 btu/hr of total input rating of all gas appliances. Fresh make-up air can also be provided through a duct to one permanent opening commencing within 12 inches of the ceiling. The minimum free area of this opening shall be one square inch per 3,000 btu/hr of the total input rating of all gas appliances but not less than the sum of the areas of all vent connectors in the space. See Figure D. When calculating the amount of fresh air needed you must include make-up air requirements for the operation of exhaust fans, kitchen ventilation systems, clothes dryers, and fireplaces. Additional information can be found in the latest edition of ANSI Z223.1 (National Fuel Gas Code). ALL COMBUSTION AIR FROM OUTDOORS THROUGH VENTILATED ATTIC (each end of attic) Inlet Air Duct (Ends 1 Ft. [300 mm] above floor) UL Listed Vent Cap UL Listed Gas Vent Ventilation LouversOutlet Air FIGURE C Inlet Grille Inlet Grille ALL COMBUSTION AIR FROM OUTDOORS THROUGH SINGLE COMBUSTION AIR OPENING ALL COMBUSTION AIR FROM ADJACENT INDOOR SPACES THROUGH INDOOR COMBUSTION AIR OPENINGS UL Listed Vent Cap UL Listed Gas Vent Opening Opening FIGURE A ALL COMBUSTION AIR FROM OUTDOORS. INLET AIR FROM VENTILATED CRAWL SPACE AND OUTLET AIR TO VENTILATED ATTIC UL Listed Vent Cap UL Listed Gas Vent Ventilation Louvers (each end of attic) Outlet Air Inlet Air Ventilation louvers for unheated crawl space FIGURE B FIGURE D Page 6 UL Listed Vent Cap UL Listed Gas Vent Opening Alternate opening location DRAFT DIVERTER The draft diverter must be installed in the same atmospheric pressure zone as the combustion air supply for the main burner. DOOR KNOB Remove from the inside of the casing door and assemble to the outside of the door. VC201 and VC202 have finger holes in the door in lieu of knob. 34 IN. Projection Wall 18 IN. 45.72 CM Ceiling Floor86.36 CM 22 IN. 55.88 CM 6 IN. 15.2 CM 13 IN. 33 CM 20/35 CLEARANCES - VC20, VC35, VCR35 31 IN. Projection Wall Ceiling Floor 18 IN. 45.72 CM 6 IN. 15.2 CM 14 IN. 35.6 CM 78.7 CM 19 IN. 48.3 CM 50/70 CLEARANCES - VC50 & VC70, VCR50 & VCR70 WIRING DIAGRAM Page 7 CLEARANCES If the area where the appliance is to be installed contains carpeting, tile, or combustible materials, other than wood flooring, the appliance shall be installed on a metal plate (stoveboard), a wood panel, or other non-combustible materials. The use of ceramic or quarry tile is acceptable and provides an appealing surface that is easily cleaned. This material is to extend 2 inches from each side and 12 inches from the front. It is advisable to extend this to the wall behind the appliance. Clearances to combustibles are as follows: • From jacket to adjacent side walls, 2” on the 20/...

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