1 Listing and Code Approvals
A. Appliance Certification
MODELS: NNXT4236I, NNXT4236IL, NNXT3933I, NNXT3933IL
LABORATORY: Underwriters Laboratories, Inc. (UL)
TYPE: Vented Gas Fireplace Heaters
STANDARD: ANSI
This product is listed to ANSI standards for “Vented Gas Fireplace Heaters” and applicable sections of “Gas Burn- ing Heating Appliances for Manufactured Homes and Recreational Vehicles”, and “Gas Fired Appliances for Use at High Altitudes”.
NOTICE: This installation must conform with local codes. In the absence of local codes you must comply with the National Fuel Gas Code, ANSI
NOT INTENDED FOR USE AS A PRIMARY HEAT SOURCE.
This appliance is tested and approved as either supplemental room heat or as a decorative appliance. It should not be fac- tored as primary heat in residential heating calculations.
B. Glass Specifications
This appliance is equipped with 5 mm ceramic glass. Re- place glass only with 5 mm ceramic glass. Please contact your dealer for replacement glass.
C. BTU Specifications
Novus | NNXT4236 | NNXT3933 |
Max/Min Input Rate (NG) | 31,000/18,500 | 29,000/16,000 |
Orifice Size (NG) | #37/.104/2.65 mm | #39/.0995/2.53 mm |
Max/Min Input Rate (LP) | 30,000/17,000 | 27,000/15,750 |
Orifice Size (LP) | #52/.0635/1.62 mm | .061/155 mm |
D. High Altitude Installations
NOTICE: If the heating value of the gas has been reduced, these rules do not apply. Check with your local gas utility or authorities having jurisdiction.
When installing above 2000 feet elevation:
•In the USA: Reduce input rate 4% for each 1000 feet above 2000 feet.
•In CANADA: Reduce input rate 10% for elevations between 2000 feet and 4500 feet. Above 4500 feet, consult local gas utility.
Check with your local gas utility to determine proper orifice size.
E. Non-Combustible Materials Specification
Material which will not ignite and burn. Such materials are those consisting entirely of steel, iron, brick, tile, concrete, slate, glass or plasters, or any combination thereof.
Materials that are reported as passing ASTM E 136,
Standard Test Method for Behavior of Materials in a Vertical Tube Furnace at 750 ºC and UL763 shall be
considered
F. Combustible Materials Specification
Materials made of or surfaced with wood, compressed paper, plant fibers, plastics, or other material that can ig- nite and burn, whether flame proofed or not, or plastered or unplastered shall be considered combustible materials.
G. Electrical Codes
NOTICE: This appliance must be electrically wired and grounded in accordance with local codes or, in the absence of local codes, with National Electric Code ANSI/NFPA
Code CSA C22.1.
•A 120 VAC circuit for this product must be protected with
Heatilator • Novus NNXT • | 7 |