Desa VMH3000TNA installation manual Gas leak. See Warning statement at

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®

NATURAL GAS RESIDENTIAL HEATERS

TROUBLESHOOTING

Continued

WARNING: If you smell gas

•Shut off gas supply.

•Do not try to light any appliance.

•Do not touch any electrical switch; do not use any phone in your building.

•Immediately call your gas supplier from a neighbor’s phone. Follow the gas supplier’s instructions.

•If you cannot reach your gas supplier, call the fire department.

IMPORTANT: Operating heater where impurities in air exist may create odors. Cleaning supplies, paint, paint remover, cigarette smoke, cements and glues, new carpet or textiles, etc., create fumes. These fumes may mix with combustion air and create odors.

OBSERVED PROBLEM

POSSIBLE CAUSE

REMEDY

Heater produces a clicking/ticking noise just after burner is lit or shut off

1.Metal expanding while heating or con- tracting while cooling

1.This is common with most heaters. If noise is excessive, contact qualified ser- vice person

Heater produces unwanted odors

1.

Heater burning vapors from paint, hair

 

 

spray, glues, etc. (see IMPORTANT

 

 

statement above)

 

2.

Gas leak. See Warning statement at

 

 

top of page

1.Ventilate room. Stop using odor caus- ing products while heater is running

2.Locate and correct all leaks (see Check- ing Gas Connections, page 13)

Heater shuts off in use (ODS operates)

1.

Not enough fresh air is available

1.

Open window and/or door for ventilation

 

2.

Low line pressure

2.

Contact local natural gas company

 

3.

ODS/pilot is partially clogged

3.

Clean ODS/pilot (see Cleaning and

 

 

 

 

Maintenance, page 19)

 

 

 

 

 

Gas odor even when control knob is in OFF

1.

Gas leak. See Warning statement at

1.

Locate and correct all leaks (see Check-

position

 

top of page

 

ing Gas Connections, page 13)

 

2.

Control valve defective

2.

Replace control valve

Gas odor during combustion

1.

Foreign matter between control valve

 

 

and burner

 

2.

Gas leak. See Warning statement at

 

 

top of page

1.Take apart gas tubing and remove for- eign matter

2.Locate and correct all leaks (see Check- ing Gas Connections, page 13)

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For more information, visit www.desatech.com

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Contents OWNER’S Operation and Installation Manual What to do if YOU Smell GASSafety Information Local CodesProduct Identification AssemblyProduct Features UnpackingAttaching Brass Front Trim to Front Panel Assembling and Attaching Brass TrimUnusually Tight Construction AIR for Combustion and VentilationProviding Adequate Ventilation Confined and Unconfined SpaceAIR for Combustion Ventilation Determining FRESH-AIR Flow for Heater LocationDetermining if You Have a Confined or Unconfined Space Ventilation AIR Ventilation Air From Inside BuildingVentilation Air From Outdoors Check GAS Type InstallationInstallation Items Locating HeaterInstallation Options Thermostat Sensing BulbMounting Heater to Wall Installing Bottom Mounting Screws Placing Heater On Mounting BracketMounting Heater on Optional Hearth Base Mounting Heater to Optional Hearth BaseSecuring Hearth Base to Floor Connecting to GAS Supply Mounting Heater to Optional MantelAssembling Mantel Pressure Testing Gas Supply Piping System Pressure Testing Heater Gas ConnectionsChecking GAS Connections Lighting Instructions For Your Safety Read Before LightingOperating Heater To Turn OFF GAS To ApplianceInspecting Burner Pilot Flame PatternBurner Flame Pattern Troubleshooting Observed Problem Possible Cause RemedyMaintenance, Gas leak. See Warning statement at Cleaning and Maintenance Replacement PartsService Hints Illustrated Parts Breakdown VMH3000TNAParts List KEY VMH3000TNA Description QTYSpecifications Technical ServiceAccessories Warranty Information International

VMH3000TNA specifications

The Desa VMH3000TNA is an advanced heating unit designed for residential and commercial use, providing a reliable source of warmth during colder months. This versatile heater offers a blend of efficiency, modern technology, and user-friendly features, making it a popular choice for consumers seeking comfort and practicality.

One of the standout features of the VMH3000TNA is its high heat output capability. With an impressive heating output of up to 30,000 BTUs, this heater can efficiently warm large spaces, ensuring that any room or area is kept at a comfortable temperature. This makes it an ideal choice for homes, workshops, and even smaller commercial settings.

In terms of technology, the Desa VMH3000TNA is equipped with a reliable electronic ignition system, which eliminates the need for manual lighting and improves overall convenience. This feature is especially beneficial during cold weather, as it ensures quick and effortless operation. Additionally, the heater includes adjustable thermostatic controls, allowing users to set their desired temperature and maintain it with precision.

The heating unit operates using either natural gas or propane, providing flexibility depending on the availability of fuel sources. This adaptability is particularly advantageous for users in remote areas where one fuel type may be more accessible than the other. Furthermore, the VMH3000TNA boasts an energy-efficient design, which helps to reduce operational costs while minimizing environmental impact.

Safety is a critical aspect of the Desa VMH3000TNA's design. It incorporates an automatic shut-off feature, which activates in the event of a malfunction or airflow blockage. This ensures user safety and peace of mind, making it suitable for use in various settings, from homes to commercial spaces. Moreover, the heater is equipped with a durable casing and high-quality components, ensuring longevity and reliability.

Another notable characteristic of this unit is its sleek and contemporary design. The VMH3000TNA features a stylish appearance that can seamlessly fit into a range of interior decors, making it not just a functional appliance but also an aesthetic addition to any room.

In summary, the Desa VMH3000TNA stands out as a powerful, efficient, and user-friendly heating solution. With its high output, modern technologies, versatile fuel options, and safety features, it provides an excellent choice for those seeking dependable heating for their spaces. Whether for a home or a commercial setting, this heater promises to deliver warmth and comfort throughout the cold seasons.
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