Vermont Casting 4030 - 4049 Gas Specifications, Gas Inlet and Manifold Pressures, High Elevations

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UVS27 Vent-Free Gas Heater

Gas Specifications

 

 

 

Max.

Min.

 

 

 

Gas

Input

Input

Air

Model

Fuel

Control

BTU/h

BTU/h

Shutter*

UVS27RN

Nat

Millivolt

28,000

19,500

Fully

 

 

 

 

 

Closed

UVS27RP

Prop

Millivolt

28,000

19,500

n/a

UVS27MN

Nat

Millivolt

28,000

19,500

Fully

 

 

 

 

 

Closed

UVS27MP

Prop

Millivolt

28,000

19,500

n/a

 

 

 

 

 

 

*Natural Gas units with Glass & Catalyst installed; air shutter is fully closed and rotated with bend outside of burner for less restriction. Propane units have no air shutter.

Firebox weight / shipping

110 lbs.

Gas Inlet and Manifold Pressures

 

Natural

LP (Propane)

Inlet Minimum

5.5” w.c.

11” w.c.

Inlet Maximum

14” w.c.

14” w.c.

Manifold Pressure

3.5” w.c.

10” w.c. (MP)

 

 

11” w.c. (RP)

 

 

 

UVS27R & UVS27M Vent-Free

Certified to:

ANSI Z21.11.2b-2004

Unvented Heaters

The installation of your Vermont Castings stove must conform with local codes, or in the absence of local codes, with the National Fuel Gas Code ANSI Z223.1/NFPA 54 - latest edition. (EXCEPTION: Do not derate this appliance for altitude up to 4,500 feet (1,370m). Maintain the manifold pressure at 3.5” w.c. for Natural Gas and 11.0” w.c. for LP Gas.

WARNING:

Failure to keep the primary air opening(s) of the burner(s) clean may result in sooting and property damage.

High Elevations

Input ratings are shown in BTU per hour and are certified without deration from elevations up to 4,500 feet (1,370m) above sea level.

Nuisance outages may occur at altitudes above 4,500 feet (1,370m) if dirt, dust, lint and/or cob- webs are allowed to accumulate on burner and/ or ODS pilot. Monthly inspection and cleaning is recommended for altitudes above 4,500 feet (1,370m)

For elevations above 4,500 feet (1,370m), instal- lations must be in accordance with the current ANSI Z223.1/NFPA 54 and/or local codes having jurisdiction.

WARNING: Improper installation, adjust- ment, alteration, service or maintenance can cause injury or property damage. Refer to this manual for correct installation and operational procedures. For assistance or additional information consult a qualified installer, service agency, or the gas supplier.

Odor During Operation

Neither natural gas nor propane gas give off an odor when burned. The nature of a vent free combustion system, however, is such that odors may occasional- ly be produced during heater operation when impuri- ties exist in the immediate area. Cleaning solutions, paint, solvents, cigarette smoke, candles, adhesives, new carpet or textiles, etc., all can create fumes. These fumes may mix with combustion air and can create odor. Such odors will disappear over time, however the condition can be alleviated by opening a window or otherwise providing additional ventilation to the area.

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Contents UVS27R, UVS27M Table Of Contents Installation & Operating Instructions Carbon Monoxide Poisoning MAY Lead to DeathShell Dimensions UVS27 freestanding shell dimensionsHearth Requirements Do not install this heater in a bathroom or bed- roomMinimum Clearances to Combustible Materials Mantel fromHigh Elevations Gas SpecificationsGas Inlet and Manifold Pressures Odor During OperationProvide For Adequate Ventilation Vent Free FeaturesFresh Air Requirements for Combustion Ventilation Unusually Tight ConstructionR N I N G ExampleAssembly Procedures Install Optional Fan KitUnpack the Stove Install ON/OFF Switch Glass & Catalyst InstallationThermostat Connection Optional Remove air shutter, turn upside down and replace Install Log Set Connect the Gas Supply LineAged Logs Complete the Installation Install rear, left and right logsInstall the Top Plate and Grille Operation Flame & Temperature AdjustmentFlame Characteristics Your First FireLighting and Operating Instructions To Turn Off Gas To HeaterWhat to do if YOU Smell GAS Troubleshooting No spark at pilot when Ignitor is operatedIgnitor Electrode sparks, but Pilot does not light Main Burner shuts off and Pilot Troubleshooting cont’dPilot lights but Main Burner does not flame goes out while in operationCleaning Procedure MaintenanceFirebox Cleaning and Inspection Glass ReplacementRemove the Combustor Module Clean the Combustor ModuleCatalytic Combustor Replace the Combustor ModuleUVS27R, UVS27M Vent Free Gas Heaters Description UVS27Classic Fan Kits Optional Accessories AvailableRemote Controls Glass / Catalyst Kit UvgodcfkUVS27 Vent-Free Gas Heater UVS27 Vent-Free Gas Heater Limited Lifetime Warranty CFM Corporation

4030 - 4049 specifications

Vermont Castings is renowned for its commitment to producing high-quality wood and gas stoves, fireplace inserts, and outdoor grills. Among their esteemed lineup, the Vermont Castings 4030 and 4049 models showcase a blend of traditional craftsmanship and modern technology, epitomizing the brand's philosophy of combining functionality with aesthetics.

The Vermont Castings 4030 is particularly celebrated for its efficiency and robust design. One of its standout features is the advanced catalyst system that allows for cleaner burning and reduced emissions. The stove operates with a specially designed catalytic combustor, enhancing the combustion process and increasing overall efficiency. This results in longer burn times and a warmer, cozier atmosphere with less frequent refueling.

The 4049 model builds upon this foundation, delivering enhanced heating capacity suitable for larger spaces. It boasts a high BTU output, ensuring that even expansive areas remain comfortably warm during the coldest months. One of the defining characteristics of the 4049 is its impressive ability to provide a long-lasting heat source, thanks to its large firebox and innovative design.

Both models feature a beautiful cast iron construction, which not only exudes an old-world charm but also allows for superior heat retention. This heavy-duty material ensures that once heated, the stoves radiate warmth over a long period, making them efficient choices for home heating.

A unique feature found in both models is the air wash system. This technology keeps the glass panel clean, allowing homeowners to enjoy the mesmerizing view of the flames without worrying about soot buildup. The stoves are also designed with adjustable airflow controls, giving users the ability to fine-tune the heat output and fuel efficiency according to their preferences.

Aesthetically, the Vermont Castings 4030 and 4049 are designed to complement a variety of home decors, featuring multiple finishes and door styles to suit individual tastes. The craftsmanship extends to decorative features, including embossed designs that add elegance to any room.

In summary, Vermont Castings 4030 and 4049 are exemplary models that embody the brand's dedication to quality. Their advanced technologies, efficient heating systems, and timeless designs make them ideal choices for homeowners seeking both functionality and beauty in their heating solutions. Whether you're looking for a reliable source of warmth or an impressive centerpiece for your living space, these stoves represent an investment in comfort and style.