INSTALLATION
INSTRUCTIONS
STANDARD SERIES
36" & 42" Unvented Fireboxes
P/N 700,018M REV. C 12/2003
MODELS
UVFR-500 |
UVFC-500 |
UVFR-600 |
UVFC-600 |
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FOR USE ONLY WITH DECORATIVE TYPE UNVENTED ROOM |
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HEATERS. |
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DO NOT BUILD A WOOD FIRE. |
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WARNING: IMPROPER INSTALLATION, ADJUSTMENT, AL- |
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TERATION, SERVICE OR MAINTENANCE CAN CAUSE IN- |
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JURY OR PROPERTY DAMAGE. REFER TO THIS MANUAL. |
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FOR ASSISTANCE OR ADDITIONAL INFORMATION CON- |
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SULT A QUALIFIED INSTALLER, SERVICE AGENCY OR THE |
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GAS SUPPLIER. |
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WARNING: DO NOT BURN WOOD OR OTHER MATERIAL IN |
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THESE APPLIANCES. |
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CAREFULLY REVIEW THE INSTRUCTIONS SUPPLIED WITH |
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THE DECORATIVE TYPE UNVENTED ROOM HEATER FOR |
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THE MINIMUM FIREPLACE SIZE REQUIREMENT. |
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DO NOT INSTALL THE APPLIANCE IN THIS FIREBOX, UN- |
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LESS THIS FIREBOX MEETS THE MINIMUM DIMENSIONS |
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REQUIRED FOR THE INSTALLATIONS. |
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This is an unvented gas-fired heater. It uses air |
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(oxygen) from the room in which it is installed. |
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Provisions for adequate combustion and ventila- |
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tion air must be provided. Refer to Combustion |
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and Ventilation Air Section, Page 3. |
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Due to high temperatures, the appliance should be located out |
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of traffic and away from furniture or draperies. |
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Do not place clothing or other materials on or near this appli- |
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ance. |
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IMPORTANT: READ AND UNDERSTAND THESE INSTRUCTIONS |
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COMPLETELY BEFORE INSTALLING YOUR UNVENTED ROOM |
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NOTE: DIAGRAMS & |
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HEATERS. |
1 |
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ILLUSTRATION NOT TO SCALE. |
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TABLE OF CONTENTS |
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Firebox/Log Set Reference Chart ..... |
page |
2 |
General Information ......................... |
page |
2 |
Inventory ......................................... |
page |
2 |
Tools/Building Supplies ................... |
page |
2 |
Important Safety Information .......... |
page |
2 |
Codes .............................................. |
page |
3 |
Combustion and Ventilation Air ....... |
page |
3 |
Location of firebox ........................... |
page |
4 |
Clearances ....................................... |
page |
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Assembly Steps ............................... |
page |
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Gas Line Installation ........................ |
page |
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Firebox Framing ............................... |
page |
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UVF-500 Specifications ................... |
page |
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Firebox Installation .......................... |
page |
7 |
UVF-600 Specifications ................... |
page |
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Framing Specifications .................... |
page |
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Canopy Installation .......................... |
page |
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Optional Equipment ......................... |
page |
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Firebox finishes ............................... |
page |
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Replacement Parts .......................... |
page |
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Accessories/Components ................ |
page |
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Replacement Parts List .................... |
page |
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GENERAL INFORMATION
These ventless firebox enclosures are designed to accept all ANSI Z21.11.2 approved Decorative Type Unvented Gas Log Room Heaters. For the appropriate Unvented Gas Log Room Heater model, refer to the chart below. Refer to the installation instructions provided with the log sets for detailed instructions.
The UVFC Series are unvented fireboxes. They feature a self-contained heat-circulating system.
The UVFR Series is a conventional radiantheat unvented firebox.
This installation manual will enable you to obtain a safe, efficient and dependable installation of your room heater system.
Do not alter or modify the firebox or its components under any circumstances. Any modification or alteration of the firebox system, including but not limited to the firebox and accessories, may void the warranty, listings and approvals of this system and could result in an unsafe and potentially dangerous installation.
These Built-In Unvented Fireboxes have been tested and approved as Ventless Firebox Enclosures for Gas-Fired Decorative Type Ventless Room Heaters to IAS 2-97.
WARNING: THESE BUILT-IN UNVENTED FIREBOXES HAVE ONLY BEEN TESTED AND APPROVED FOR USE WITH ANSI Z21.11.2 UNVENTED GAS LOGS.
DO NOT ATTEMPT TO BURN SOLID WOOD FUELS, OTHER GAS LOG SETS OR ANY OTHER COMBUSTIBLE MATERIALS IN THIS UNVENTED FIREBOX.
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Log Set Sizing |
Reference Chart |
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Unvented Firebox |
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Unvented Room Heater Log Set |
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Model |
Natural |
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Propane (L.P.G) |
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UVFC-500 |
VFGL-18/24MN/VN-3 |
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VFGL-18/24MP/VP-3 |
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PVFGL-18MN/VN |
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PVFGL-18MP/VP |
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UVFC-600 |
VFGL-24/28MN/VN-3 |
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VFGL-24/28MP/VP-3 |
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PVFGL-24MN/VN |
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PVFGL-24MP/VP |
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UVFR-500 |
VFGL-18/24MN/VN-3 |
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VFGL-18/24MP/VP-3 |
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PVFGL-18MN/VN |
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PVFGL-18MP/VP |
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UVFR-600 |
VFGL-24/28MN/VN-3 |
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VFGL-24/28MP/VP-3 |
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PVFGL-24MN/VN |
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PVFGL-24MP/VP |
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NOTE: DIAGRAMS & ILLUSTRATION NOT TO SCALE. |
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Check the inventory list to be sure that you have all the necessary parts in usable condition. Also check for concealed damage.
Inventory
Unvented Gas Firebox
Canopy
Gas Connector Fittings
Installation and Operating Instructions
Tools and Building Supplies
Normally Required
Tools Should Include:
Phillips screwdriver Hammer
Saw and/or sabersaw Level
Measuring tape Electric drill and bits Pliers
Square
Piping complying with local codes Pipe wrench
Tee joint
Pipe compound
Building Supplies Should Include:
Framing materials Wall finishing materials
Caulking materials (noncombustible) Fireplace surround materials (noncombustible)
IMPORTANT SAFETY INFORMATION
INSTALLER: PLEASE LEAVE THESE INSTRUCTIONS WITH THE OWNER.
OWNER: PLEASE RETAIN THESE INSTRUCTION FOR FUTURE REFERENCE
IMPORTANT: BEFORE STARTING YOUR FIREBOX INSTALLATION, READ THESE INSTALLATION INSTRUCTIONS CAREFULLY TO BE SURE YOU UNDERSTAND THEM COMPLETELY AND IN ENTIRETY. FAILURE TO FOLLOW THESE INSTRUCTIONS COULD CAUSE A HEATER MALFUNCTION RESULTING IN SERIOUS INJURY AND/OR PROPERTY DAMAGE.
WARNING: ANY CHANGE TO THIS UNVENTED ROOM HEATER CAN BE DANGEROUS. IMPROPER INSTALLATION OR USE OF THIS HEATER CAN CAUSE SERIOUS INJURY OR DEATH FROM FIRE, BURNS, EXPLOSION OR CARBON MONOXIDE POISONING.
Carbon Monoxide Poisoning: Early signs of carbon monoxide poisoning are similar to the flu with headaches, dizziness and/or nausea. If you have these signs, obtain fresh air immediately. Have the Unvented Gas Heater serviced as it may not be operating correctly.
•Due to high temperatures, the firebox should be located out of traffic and away from furniture and draperies.
•Children and adults should be alerted to the hazard of high surface temperature and should stay away to avoid burns or clothing ignition.
•Young children should be carefully supervised when they are in the same room with the heater.
•Do not place clothing or other flammable material on or near the heater.
•Any safety screen or guard removed for servicing the firebox must be replaced and/or closed prior to operating the heater.
•Installation and repair should be done by a qualified service person. The heater should be inspected before use and at least annually by a professional service person. More frequent cleaning may be required due to excessive lint from carpeting, bedding material, etc. It is important that control compartments, burners and circulating air passageways of the heater be kept clean.
•Allow the heater to cool before servicing. Always shut off any electricity or gas to the heater while performing service work.
•Do not install the firebox in a sleeping room or bathroom.
•The appliance and its individual shut-off valve must be disconnected from the gas supply piping system while performing any tests of the gas supply piping system at pressures in excess of ¹⁄ psig.
•The heater must be isolated from the gas supply piping system by closing its individual manual shut-off valve during any pressure testing of the gas supply piping system at test pressures equal to or less than ¹⁄ psig.
•Keep heater area clear and free from combustible materials, gasoline and other flammable vapors and liquids.
•Do not use this heater if any part has been under water. Immediately call a qualified service technician to inspect the heater and to replace any part of the control system and any gas control which has been under water.
• Ensure that the heater is clean when operating. Excessive dust accumulation on the burner and logs will increase the amount of carbon monoxide formation and could lead to carbon monoxide poisoning and death.
CODES
Adhere to all local codes or in their absence the latest edition of The National Fuel Gas Code ANSI Z223.1 or NFPA54 which can be obtained from The American National Standards Institute, Inc. (1430 Broadway, New York, NY, 10018) or National Fire Protection Association, Inc. (Batterymarch Park, Quincy, MA, 02269).
COMBUSTION AND VENTILATION AIR
Heaters installed in these appliances shall not be installed in a confined space. Heaters installed in these appliances may be located in unusually tight construction provided the space is unconfined, or if confined, is provided with two permanent openings communicating directly with an additional room(s) of sufficient volume so that the combined volume of all connected spaces meets the criteria for an unconfined space, (National Fuel Gas Code ANSI Z223.1 1992, Section 5.3). Generally 50 ft 3 per 1,000 BTU input of all operating appliances in the space.
The National Fuel Gas Code defines a confined space as a space whose volume is less than 50 ft 3 per 1,000 BTU/Hr (4.8 m3 per kw) of the aggregate input rating of all appliances installed in that space and an unconfined space as a space whose volume is not less than 50 ft 3 per 1,000 BTU/Hr (4.8 m3 per kw) of the aggregate input rating of all appliances installed in that space. Rooms communicating directly with the space in which the appliances are installed, through openings not furnished with doors, are considered a part of the unconfined space.
Unusually tight construction is defined as construction where:
a.wall and ceilings exposed to the outside atmosphere have a continuous water vapor retarder with a rating or one perm or less with openings gasketed or sealed, and
b.weather stripping has been added on operable windows and doors, and
c.caulking or sealants are applied to areas such as joints around window and door frames, between sole plates and floors, between wallceiling joints, between wall panels, at penetrations for plumbing, electrical, and gas lines, and at other openings.
NOTE: DIAGRAMS & ILLUSTRATION NOT TO SCALE.
Use the following equations to determine if you have a confined or unconfined space.
1. Determine the volume of space — ft 3.
Length x Width x Height = _____ ft 3 (Include adjoining rooms with doorless passageways or ventilation grills between rooms.)
Example: 24' (L) x 16' (W) x 8' (H) = 3072 ft 3
2.Divide the volume of space by 50 ft 3 to determine the maximum BTU/Hr the space can support.
______ (volume of space – ft 3)/ 50 ft 3 = (Maximum BTU/Hr the space can support)
Example: 3072 ft 3 / 50 ft 3 = 61.44
or 61,440 BTU/Hr the space can support.
3.Add the BTU/Hr of all the fuel burning appliances in the space.
Vent-Free heater |
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BTU/Hr |
Gas appliance #1* |
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BTU/Hr |
Gas appliance #2 |
+ _______ |
BTU/Hr |
Total = _______ |
BTU/Hr |
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Example: |
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Vent-free heater |
26,000 |
BTU/Hr |
Gas appliance #1 |
40,000 |
BTU/Hr |
(water heater) |
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Total = 66,000 |
BTU/Hr |
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* Do not include direct-vent gas appliances. Direct-vent is sealed combustion and draws combustion air from the outdoors.
4. Compare the maximum BTU/Hr the space can support with the actual amount of BTU/ Hr used.
_________ BTU/Hr
(max. the space can support)
_________ BTU/Hr
(actual amount of BTU/Hr used)
Example:
61,440 BTU/Hr
(max. the space can support)
66,000 BTU/Hr
(actual amount of BTU/Hr used)
The space in the above example is a confined space because the actual BTU/Hr used is more than the maximum BTU/Hr the space can support. You must provide additional fresh air.
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WARNING: IF THE AREA IN WHICH THE HEATER MAY BE OPERATED IS SMALLER THAN THAT DEFINED AS AN UNCONFINED SPACE, PROVIDE ADEQUATE COMBUSTION AND VENTILATION AIR BY ONE OF THE METHODS DESCRIBED IN THE NATIONAL FUEL GAS CODE, ANSI Z223.1 1992, SECTION 5.3 OR APPLICABLE LOCAL CODES.
Your options are:
a.Rework equations adding the space of adjoining room(s). If the extra volume provides an unconfined space, then remove door or add ventilation grills between rooms. Refer to National Fuel Gas Code, ANSI Z223.1 1992, Section 5.3.
b.Vent room directly to the outdoors. Refer to National Fuel Gas Code, ANSI Z223.1 1992, Section 5.3.
c.Install a lower BTU/Hr heater, such as a 21,000 BTU/Hr, to make the area an unconfined space.
If the actual BTU/Hr used is less than the maximum BTU/Hr the space can support, then the space is an unconfined space. You will need no additional fresh air ventilation for an unconfined space.
LOCATION OF FIREBOX
Carefully select the best location for installation of your built-in unvented firebox. The following factors should be taken into consideration:
•Clearance to side wall, ceiling, woodwork and windows.
•Location must not be affected by drafts caused by kitchen exhaust fans, return air registers for forced air furnaces/air conditioners, windows or doors.
•Installation must provide adequate ventilation and combustion air.
•Do not install this firebox in a sleeping room or bathroom.
•Location should be out of high traffic areas and away from furniture and draperies due to heat from firebox.
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•Never obstruct the front opening of the unvented firebox or restrict the flow of combustion and ventilation air.
•Minimize modifications to existing construction. See Figure 1 for location suggestions.
WARNING: MAINTAIN MINIMUM CLEARANCES.
Do not install in the vicinity where gasoline or other flammable liquids may be stored. The unvented firebox must be kept clear and free from these combustible materials.
CAUTION: HEATERS CREATE WARM AIR CURRENTS. THESE CURRENTS MOVE HEAT TO WALL SURFACES NEXT TO HEATER. INSTALLING HEATER NEXT TO VINYL OR CLOTH WALL COVERINGS OR OPERATING HEATER WHERE IMPURITIES IN THE AIR (SUCH AS TOBACCO SMOKE) EXISTS, MAY DISCOLOR WALLS.
WARNING: DO NOT ALLOW FANS TO BLOW DIRECTLY INTO THE FIREPLACE. AVOID ANY DRAFTS THAT ALTER BURNER FLAME PATTERNS.
WARNING: DO NOT USE A BLOWER INSERT, HEAT EXCHANGER INSERT OR OTHER ACCESSORY NOT APPROVED FOR USE WITH THIS FIREPLACE.
Not to Scale
Figure 1
NOTE: DIAGRAMS & ILLUSTRATION NOT TO SCALE.
Clearances
WARNING: DO NOT INSTALL THESE BUILT-IN UNVENTED FIREBOXES IN SLEEPING QUARTERS, OR IN RECREATIONAL VEHICLES.
WARNING: DO NOT INSTALL THESE APPLIANCES:
•WHERE CURTAINS, FURNITURE, CLOTHING OR OTHER FLAMMABLE OBJECTS ARE LESS THAN 42" FROM THE FRONT OF THE UNVENTED ROOM HEATER.
•IN HIGH TRAFFIC AREAS.
•IN WINDY OR DRAFTY AREAS.
Ensure the minimum clearances shown in Figures 2 and 3 are maintained. Left and right clearances are determined when facing the front of the firebox.
Follow these instructions carefully to ensure safe installation. Failure to follow these requirements may create a fire hazard.
Sidewall clearances: The sides of the firebox opening must be at least 16" from any combustible wall (Figure 2 ).
40"
16"
Optional
Hearth Extension
Figure 2
Ceiling clearance: The ceiling must be at least 40" from the top of the firebox opening (Figure 2 ).
Noncombustible material: Noncombustible materials, such as slate and marble, must be at least ¹⁄" thick and may be used without restriction above the firebox opening, to the sides or as a hearth extension, so long as they do not obstruct vent openings for heat circulating models.
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