Desa VTD-24N-BTB, VTD-18P-PDG, VTD-24N-PDG installation manual Refer to Air for Combustion and Venti

Page 15

TROUBLESHOOTING

15

TROUBLESHOOTING

Continued

OBSERVED PROBLEM

POSSIBLE CAUSE

REMEDY

 

One or both burner does not light after

1.

Inlet gas pressure is too low

1.

Contact local natural or propane/LP gas

ODS/pilot is lit

 

 

 

company

 

2.

Burner orifice(s) clogged

2.

Clean burner(s) (see Cleaning and

 

 

 

 

Maintenance, page 13) or replace burner

 

 

 

 

orifice(s)

 

3.

Mislocated crossover tube

3.

Contact qualified service person

 

4.

Burner orifice(s) diameter is too small

4.

Replace burner orifice(s)

 

5.

Remote selector in OFF position (Re-

5.

Put remote selector in ON position

 

 

mote-Ready Models Only)

 

 

 

 

6.

Wire disconnected from gas control

6.

See Wiring Diagram, page 18

 

 

(Remote-Ready Models Only)

 

 

 

 

 

 

 

 

 

Delayed ignition of burner

1.

Manifold pressure is too low

1.

Contact local natural or propane/LP gas

 

 

 

 

company

 

2.

Burner orifice(s) clogged

2.

Clean burner(s) (see Cleaning and

 

 

 

 

Maintenance, page 13) or replace burner

 

 

 

 

orifice(s)

 

3.

Mislocated crossover tube

3.

Contact qualified service person

 

 

 

 

 

 

Burner backfiring during combustion

1.

Burner orifice is clogged or damaged

1.

Clean burner (see Cleaning and Main-

 

 

 

 

tenance, page 13) or replace burner

 

 

 

 

orifice

 

2.

Damaged burner

2.

Replace damaged burner

 

3.

Gas regulator defective

3.

Replace gas regulator

 

 

 

 

 

 

Orange flame in burner during burner

1.

Not enough air

1.

Check burner(s) for dirt and debris. If

combustion

 

 

 

found, clean burner(s) (see Cleaning and

 

 

 

 

Maintenance, page 13)

 

2.

Gas regulator defective

2.

Replace gas regulator

 

 

 

 

 

 

Slight smoke or odor during initial op- eration

1.Residues from manufacturing processes and logs curing

1.Problem will stop after a few hours of operation

 

1.

Turning control knob to HI position

1.

Turn control knob to LO position and let

Appliance produces a whistling noise when

 

when burners are cold

 

warm up for a minute

burners are lit

2.

Air in gas line

2.

Operate burners until air is removed

 

 

 

 

from line. Have gas line checked by lo-

 

 

 

 

cal natural or propane/LP gas company

 

3.

Air passageways on appliance blocked

3.

Observe minimum installation clear-

 

 

 

 

ances (see pages 7 through 8)

 

4.

Dirty or partially clogged burner

4.

Clean burners (see Cleaning and Main-

 

 

orifice(s)

 

tenance, page 13) or replace burner

 

 

 

 

orifice(s)

 

 

 

 

 

 

White powder residue forming within burner box or on adjacent walls or furniture

1.When heated, vapors from furniture pol- ish, wax, carpet cleaners, etc. turn into white powder residue

1.Turn appliance off when using furniture polish, wax, carpet cleaners, or similar products

Moisture/condensation noticed on win- 1. Not enough combustion/ventilation air

1. Refer to Air for Combustion and Venti-

dows

lation requirements (page 4)

For more information, visit www.desatech.com

111826-02C

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Page 14 Page 16
Contents GAS LOG Vented Decorative Appliance What to do if YOU Smell GASAnsi Z21.60a-2000 CSA 2.26a-2000 Safety Information Table of ContentsProduct Identification Local CodesAIR for Combustion and Ventilation Optional Remote Control AccessoriesProduct Features UnpackingVentilation AIR Determining FRESH-AIR Flow for Appliance LocationVentilation Air from Outdoors Installation Installing Appliance Assembly Connecting to GAS SupplyInstallation Items Needed Checking GAS Connections Pressure Testing gas Supply Piping systemValve Pressure Testing Appliance Gas ConnectionsFor Your Safety Read Before Lighting Operating ApplianceLighting Instructions Manual Lighting Procedure Remote Control OperationTo Turn OFF GAS to Appliance Burner Flame Pattern Cleaning and MaintenanceOperating Appliance Inspecting Burner Pilot Flame PatternObserved Problem Possible Cause Remedy TroubleshootingRefer to Air for Combustion and Venti Observed Problem Possible Cause VTD-18N-PDG/VTD-18N-BTB SpecificationsTechnical Service Wiring DiagramReplacement Parts Service HintsThis page Intentionally Left Blank Illustrated Parts Breakdown Illustrated Parts BreakdownParts List Accessories Owners Registration Form Postage Required 111826-02C Warranty Information

VTD-18P-PDG, VTD-24N-PDG, VTD-24N-BTB specifications

The Desa VTD-24N-BTB, VTD-24N-PDG, and VTD-18P-PDG are advanced heating solutions that reflect the latest innovations in consumer comfort technology. Designed for residential and commercial applications, these units are recognized for their efficiency, performance, and user-friendly features.

The Desa VTD-24N-BTB model is a powerful heater that operates on a 24,000 BTU output. It features a sleek, modern design that allows it to integrate seamlessly into various room aesthetics. One of its standout characteristics is its variable flame height control, enabling users to adjust the heat output according to their needs. This function contributes not only to comfort but also to energy efficiency, reducing unnecessary fuel consumption. Built with high-quality materials, the VTD-24N-BTB is designed for durability and longevity, making it a reliable heating choice for years to come.

Similarly, the VTD-24N-PDG model shares several common features with the BTB version but focuses on a different aesthetic and design philosophy. It is equipped with a programmable thermostat that enhances user convenience, allowing homeowners to set schedules according to their lifestyle. This model also includes a high-efficiency fan system that circulates warm air more effectively throughout the space, ensuring even temperature distribution. The VTD-24N-PDG is an excellent choice for consumers looking for a balance between modern styling and advanced heating technology.

The VTD-18P-PDG model, while slightly smaller with an 18,000 BTU output, does not compromise on performance. It remains equipped with a plethora of features, including an easy-to-read LCD display that provides real-time information about temperature settings and system performance. This model is particularly appealing to those with limited space, offering a compact design without sacrificing heating capacity. The VTD-18P-PDG also includes safety features such as an automatic shut-off system, ensuring peace of mind for users.

All three models leverage advanced heating technologies, such as electronic ignition systems and adjustable flame technology, to maximize efficiency and comfort. With a commitment to environmentally-friendly solutions, these units utilize a low-emission combustion system, contributing to a reduced carbon footprint.

In summary, the Desa VTD-24N-BTB, VTD-24N-PDG, and VTD-18P-PDG heaters represent a blend of functionality, safety, and style. With their innovative features and efficiency-driven designs, they cater to diverse heating needs, making them an ideal investment for any modern living or working space.
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