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Installation Instructions 

 

 

 

Olympia Chimney Supply, Inc., 600 Sanders Street, Scranton, PA 18505 

(570) 496-8890 

6/2/16 

 
 

A MAJOR CAUSE OF CHIMNEY RELATED FIRES IS FAILURE 

TO MAINTAIN REQUIRED CLEARANCES (AIR SPACES) TO 

COMBUSTIBLE MATERIALS.  IT IS OF THE UTMOST 

IMPORTANCE THAT THIS CHIMNEY BE INSTALLED ONLY IN 

ACCORDANCE WITH THESE INSTRUCTIONS. 

Summary of Contents for Ventis Class-A

Page 1: ... Street Scranton PA 18505 570 496 8890 6 2 16 A MAJOR CAUSE OF CHIMNEY RELATED FIRES IS FAILURE TO MAINTAIN REQUIRED CLEARANCES AIR SPACES TO COMBUSTIBLE MATERIALS IT IS OF THE UTMOST IMPORTANCE THAT THIS CHIMNEY BE INSTALLED ONLY IN ACCORDANCE WITH THESE INSTRUCTIONS ...

Page 2: ...ation 8 9 Framing Openings 8 Floor Attic Firestop 10 11 Enclosures 10 11 Attic Shielding 10 11 Assembling the Chimney 11 Completing the Top Termination 12 13 Extended Roof Brace 13 Offset Elbows 14 Roof Supported Installation 15 Roof Support Bracket 16 Exterior Supported Installation 17 Wall Support Bracketing 18 Masonry Fireplace Installation 19 Anchor Plate 19 20 Factory Built Fireplace Installa...

Page 3: ...eep these instructions for future reference Codes Permits The criteria for installation must be in conformance with the specifications contained in the latest version of the NFPA 211 Standard for Chimneys Fireplaces Vents and Solid Fuel Burning Appliances and local or state building codes whichever has jurisdiction Contact local building or fire officials about restrictions and installation inspec...

Page 4: ...es through which it passes All interior portions of the chimney must be accessible for inspection and cleaning For installing the chimney system in a chase application the chimney must extend a minimum of 6 inches above the chase cover Sizing the Chimney Systems Always size the chimney liner in accordance with the appliance manufacturer s instructions Keep in mind that the outside diameter will be...

Page 5: ...s A Chimney Components Part No Anchor Plate VA APxx Attic Insulation Shield VA AISxx Ceiling Support Square VA CCSyyxx Elbow Offset Support VA ELS1012 Elbow 15 degree VA ELxx15 Elbow 30 degree VA ELxxvv Firestop Radiation Shield VA FSxx Chimney Pipe VAzzz xxyy Rain Cap VA Cxx Roof Support VA RS1012 Tee w Tee Cap VAzzz Txx Telescoping Pipe VAzzz ALPxx Universal Adapter VA UAxx Extended Roof Brace V...

Page 6: ...system and may void the Ventis Class A warranty Do not attempt matching Ventis components or pipe sections with another manufacturer s products Do not use damaged or modified parts Safety Considerations Caution The ends of the chimney sections edges of the cap roof flashings tee and other components can be sharp We strongly recommend the use of gloves during installation Warning Watch out for over...

Page 7: ...6 Installation Examples Universal Adapter to single or double wall connector pipe see pages 8 9 see page 15 ...

Page 8: ...7 Installation Examples Exterior Supported see page 17 see page 20 see page 19 ...

Page 9: ...he ceiling to the center of the appliance outlet flue collar and mark this point on the ceiling above Refer to table 1 regarding rough framing dimensions for each chimney diameter Mark the ceiling for proper rough opening and cut a hole for the appropriate ceiling support Frame rough opening Table 1 Rough Opening Dimensions for Flat Ceiling Support Cathedral Ceiling Support Roof Opening Wall Thimb...

Page 10: ... for flat ceiling applications Level the Cathedral Ceiling Support into the rough opening and secure to the framing using a minimum of three 8 penny nails or three 8 x 1 wood screws per side Secure the trim collar using screws supplied with the collar Note The bottom section of the support must extend a minimum of 3 inches below the ceiling ...

Page 11: ...sheeting and shingles in order to have an exterior visible reference A reciprocating saw is helpful in cutting the opening a minimum of 4 inches larger than the chimney s outside diameter This maintains the required minimum of 2 inch air space clearance around the chimney Note The opening is round for flat roofs but will be oval in shape for pitched roofs Enclosures In a multi story installation i...

Page 12: ...NOTE When using a Square Ceiling Support that extends into an open attic space it is necessary to install an Attic Insulation Shield directly on top of the Support Box securing it with four 8 X self tapping screws Then slide the storm collar down to fit against the Attic Insulation Shield This prevents debris from entering the cavity between the chimney and the Attic Insulation Shield and Square C...

Page 13: ...the chimney and the storm collar with a waterproof silicone sealant Note Do not caulk or seal the ventilating openings of a ventilated flashing Fit the rain cap to the top of the chimney Attach by tightening the clamp band Optional Extended Roof Brace Installation If the chimney height extends more than 5 feet above the roof line an extended roof brace must be installed The chimney may not extend ...

Page 14: ... chimney to vertical Secure the elbow to the chimney section with a minimum of four self drilling screws 4 An offset support bracket or a roof support bracket must be installed above each offset to support the chimney weight above the offset Note After the offset use a level to ensure that the chimney returns to vertical 3 Mount the two roof brackets at the two locations marked above Use six 1 inc...

Page 15: ...4 4 1 4 24 1 4 25 1 4 9 9 1 4 18 28 1 4 29 5 3 4 5 7 8 29 3 8 30 3 8 12 12 1 4 24 34 1 4 34 3 4 7 1 4 7 3 8 34 5 8 35 5 8 15 15 1 4 36 45 3 4 46 3 8 10 3 8 10 1 2 45 46 21 21 1 4 48 57 3 8 57 7 8 13 1 2 13 5 8 55 3 8 56 3 8 27 27 1 4 48 12 69 69 1 2 16 5 8 16 5 8 65 3 4 66 3 4 33 33 1 4 48 18 74 3 4 75 1 4 18 1 8 18 1 4 71 72 36 36 1 4 48 24 80 5 8 81 1 8 19 3 4 19 3 4 76 1 8 77 1 8 39 39 1 4 ...

Page 16: ... ceilings a hole is only cut through the roof Please refer to Step 2 on Page 8 for ceiling openings and Step 5 on Page 10 for roof openings Also refer to Table 1 on Page 8 for rough opening dimensions Step 4 Finish the installation Following steps 6 thru 8 starting on page 11 Roof Supported Installation Step 3 Cathedral Ceiling support installation Level the Ceiling Support into the rough opening ...

Page 17: ...rance around the chimney Note The roof opening must be sized to Table 1 on page 8 and framed out with the appropriate sized construction lumber DO NOT mount Roof Support Bracket to sheathing only Step 3 Secure roof support bracket Secure the roof support bracket to the roof using four 6 penny nails or four 8 x 1 screws per side Using one section of Ventis Class A chimney position it at the proper ...

Page 18: ...ipe and fit to flue outlet collar Mark location on wall Cut and frame opening Refer to Table 1 on Page 8 for rough opening dimensions Secure to the framing with a minimum of four 8 penny nails or four 8 x 1 wood screws From the interior slide the adjustable extension onto the firestop section tube Adjust the extension so that it will be flush with the interior trim plate once installed Use a minim...

Page 19: ...dapter VA UAxx to the end of the horizontal chimney section using a minimum of four self drilling screws Note A Finishing Collar VA FCxx should be installed over the universal adapter for appearance purposes only The stove connector pipe can now be secured to the universal adapter Step 6 Assembling the chimney Attach the remaining chimney sections above while still maintaining the required 2 inch ...

Page 20: ...ch corner with four sheet metal screws Always maintain a 1 inch air space clearance from the anchor plate to combustibles Step 2 Assemble the Chimney Secure the first chimney section to the fireplace anchor plate with a minimum of four self drilling screws Attach the remaining chimney sections above while still maintaining the required 2 inch air space to combustibles Use a minimum of four self dr...

Page 21: ...d If creosote or soot has accumulated it should be removed to reduce the risk of a chimney fire Never over fire your stove or appliance The high temperatures caused by over firing can damage the stove and stove pipe and may overheat nearby combustible walls Keep your flue gases between 300F 500F This will minimize condensation and creosote formation Do not burn driftwood or treated lumber Transiti...

Page 22: ...require removing the appliance and disassembling the connector assembly to thoroughly inspect and clean parts that cannot be reached otherwise 4 Inspect and clean the chimney cap Spark arrestors and other screens may be necessary or required in some areas but may be susceptible to blockage from creosote or through freezing moisture in areas of low ambient temperature 5 Reinstall chimney cap 6 Befo...

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