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ISOKERN VENT-FREE FIREPLACE
A PRODUCT OF EARTHCORE INDUSTRIES, LLC.
INSTALLATION, OPERATION, MAINTENANCE and
IMPORTANT: This manual contains assembly rules, installation steps and guidelines, use and maintenance
instructions for the Isokern Vent-Free fireplace system (Vent-Free Series). This manual must become the
property of and be reviewed by all current and future users of this product. It is the responsibility of the
distributor, general contractor and the installer of this product that the instructions in this manual are followed
exactly and, further that the allowed gas log appliance used in this product be installed in strict accordance with
the gas log manufacturer's listing and explicit installation and operation instructions.
Be Sure to Read Entire Manual Before Beginning Construction.
Contents of this manual may change without prior notification.
FOR USE ONLY WITH DECORATIVE TYPE
Carefully review the instructions supplied with the decorative type unvented
DO NOT INSTALL THE APPLIANCE IN THIS
FIREBOX UNLESS THIS FIREBOX MEETS THE
MINIMUM DIMENSIONS REQUIRED FOR THE
WARNING: If the information in this manual is not followed exactly, a fire or explosion
may result causing property damage, personal injury or loss of life.
SBCCI NO. 9626
ICC Report NO. ESR-2316
OWNER'S MANUAL
ISOKERN MODELS VF- 36, VF- 42, VF- 46
INSTALLER: Leave this manual with the appliance
CONSUMER: Retain this manual for future reference
CERTIFIED VENT-FREE GAS LOG
DO NOT BUILD A WOOD FIRE
room heater for the minimum firebox size requirement.
INSTALLATION
THIS MANUAL CAN ONLY BE REPRODUCED IN ITS ENTIRETY
INTERTEK TESTING SERVICES REPORT NO. 13001A-764
Revised: May 17, 2011
Revision 002
© 1995-2006 ECI
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Summary of Contents for Isokern VF-46
- Page 1 IMPORTANT: This manual contains assembly rules, installation steps and guidelines, use and maintenance instructions for the Isokern Vent-Free fireplace system (Vent-Free Series). This manual must become the property of and be reviewed by all current and future users of this product. It is the responsibility of the...
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Page 2: Table Of Contents
Table of Contents General Information ............................ 3 Intended Use Statement..........................3 Warnock Hersey Label Facsimile ........................ 4 Assembled Firebox Dimensions ........................4 Component List ............................5 Foundation Requirements ..........................6 Rough Framing Dimension & Corner Location Layout ................7 Assembly Instructions ..........................8-11 Raised and Flush Hearth .......................... -
Page 3: General Information
General Information Intended Use Statement: non-combustible facing material must cover a minimum The Vent-Free fireplace is a modular refractory of twelve inches (12”) above the finished opening of the masonry unit designed for field assembly. The unit consists installed unit. (Reference Intertek Testing Services Report of interlocking precast parts which are glued together using No. -
Page 4: Warnock Hersey Label Facsimile
Warnock Hersey Listing Label - Facsimile - Assembled Firebox & Smoke Dome Dimensions 20 ¼” 5” Front View Plan View Side View Model MINIMUM FRAMING WEIGHT 36” 43” 36 1/8” 27 1/4” 43”W x 37 1/2”H x 25 1/4”D 715 lbs 33 1/4”... -
Page 5: Component List
42” 46” 53” 46” Earthcore reserves the right to make changes at any time without notice in design, materials and specifications. Earthcore further reserves the right to discontinue styles and products. Please call 1-800-642-2920 for an Isokern dealer near you. -
Page 6: Foundation Requirements
Foundation Requirements Wood floor framing systems are suitable foundations for the Vent-Free fireplace. Because the Vent-Free fireplace is listed for “zero clearance” at the unit bottom, sides, back and top it may sit directly upon wood sub-flooring. The Vent-Free fireplace weighs approximately 750- 900 lbs. -
Page 7: Rough Framing Dimension & Corner Location Layout
Rough Framing Dimensions Rough framing dimensions Model: A 43” 37 1/2” 25 1/4” 49” 37 1/2” 25 1/4” 53” 37 1/2” 25 1/4” Notes: 1. “Raised hearth” requires additional rough opening height at “B” equal to the height of the raised hearth detail. 2. -
Page 8: Assembly Instructions
Assembly Instructions Face and Surface Cracks: Should a face crack appear Earthcore Mortar: after the unit is assembled the crack can be repaired in place. Earthcore Mortar is to be applied to all joints between A crack can be “V” notched with a masonry chisel to a depth Vent-Free fireplace components during field assembly of the of approximately three-eighth inch (3/8”). -
Page 9: Raised And Flush Hearth
Assembly Instructions (cont.) Raised and Flush Hearth Application: For a raised hearth (floor of the fireplace elevated above the room’s floor) then the Vent-Free base plate can be set on a concrete block platform that is built up to the desired raised hearth height on the concrete support slab. -
Page 10: Access Modifications
Assembly Instructions (cont.) Through-Wall Accesses: Gas Line Feed: The provision for installation of a gas pipe is only for connection to a decorative gas appliance or a gas log lighter. The decorative gas appliance must comply with standard for Decorative Gas Appliances for installation in Vented Fireplaces, ANSI Z21.60. -
Page 11: Fire Brick Installation
Step 2. Start the fire brick at the front edge of the floor of the Isokern firebox, proceeding inward toward the back. Step 3. Next, apply fire brick to the back wall of the unit starting at the bottom of the back wall and working upward to the top of the back wall. -
Page 12: Specialty Application
Specialty Applications: See-Thru The firebox side walls must sit three inches (3”) on the base plate. Since the side wall components flair from three inches (3”) at the narrow end to eight inches (8”) on the wide end, the side walls will overhang the base plate by approximately five inches (5”) at their wide end. -
Page 13: Noncombustible Finished Facing Requirements & Clearance To Combustible Trim
Noncombustible Finished Facing Requirements & Clearance to Combustibles Interior Wall Materials: Wall materials, such as drywall, should be set flush with the rough front face of the Vent-Free fireplace. This will allow for placement of required noncombustible surround material in Combustible Mantle Shelf such a way that the surround material can lay flat against the 12”... -
Page 14: Summary
Summary Fireplace Doors and Screens: This fireplace has not been tested for use with doors. To reduce the risk of fire or injury, do not install doors. If doors are required by the local authority having jurisdiction then doors must be kept in the fully open position when the fireplace is in operation. -
Page 15: Notes
Notes... - Page 16 Warranty & Disclaimer Isokern Fireplace Earthcore offers a lifetime warranty for all Isokern fireboxes, to be free from defects in materials that negatively affect system performance from the date of purchase, subject to the terms and conditions of this limited warranty.
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