CDV34NA, PA

DIRECT-VENT FIREPLACE (NATURAL/PROPANE/LP)

TROUBLESHOOTING

Continued

OBSERVED PROBLEM

POSSIBLE CAUSE

REMEDY

Burner does not light after pilot is lit

1.

Burner orifice clogged

1.

Clean burner (see Cleaning and Mainte-

 

 

 

 

nance, page 26) or replace burner orifice

 

2.

Inlet gas pressure is too low

2.

Contact local propane/LP or natural gas

 

 

 

 

company

 

3.

Thermopile leads disconnected or im-

3.

Reconnect leads (see Wiring Diagram,

 

 

properly connected

 

page 30)

 

4.

Thermopile is defective

4.

Replace thermopile

 

 

 

 

 

 

Delayed ignition burner

1.

Manifold pressure is too low

1.

Contact local propane/LP or natural gas

 

 

 

 

company

 

2.

Burner porting or orifice clogged

2.

Clean burner (see Cleaning and Main-

 

 

 

 

tenance, page 26) or replace burner orifice

 

 

 

 

 

Burner backfiring during combustion

1.

Burner orifice is clogged or damaged

1.

Clean burner (see Cleaning and

 

 

 

 

Maintenance, page 26) or replace burner

 

 

 

 

orifice

 

2.

Damaged burner

2.

Replace damaged burner

 

3.

Gas regulator defective

3.

Replace gas control

Slight smoke or odor during initial operation 1. Residues from manufacturing processes and logs curing

1.Problem will stop after a few hours of operation

Heater produces a whistling noise when

1.

Turning gas control knob to HI position

1.

Turn gas control knob to LO position and

burner is lit

 

when burner is cold

 

let warm up for a minute

 

2.

Air in gas line

2.

Operate burner until air is removed from

 

 

 

 

line. Have gas line checked by local pro-

 

 

 

 

pane/LP or natural gas company

 

3.

Dirty or partially clogged burner orifice

3.

Clean burner (see Cleaning and Mainte-

 

 

 

 

nance, page 26) or replace burner orifice

 

 

 

 

 

Glass soots

1.

Flame impingement on logs

1.

Adjust the log set so that the flame does

 

 

 

 

not excessively impinge on it

 

2.

Debris around burner air mixer

2.

Inspect the opening at the base of the

 

 

 

 

burner to see that it is NOT packed with

 

 

 

 

any type of material

Fireplace produces a clicking/ticking noise just after burners are lit or shut off

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

1.This is common. If noise is excessive, contact qualified service person

Remote does not function

1. Battery is not installed or battery power

 

is low

1.Replace 9-volt batteries in receiver and remote control

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Desa CDV34PA, CDV34NA installation manual Observed Problem Possible Cause Remedy
Page 27 Page 29

CDV34PA, CDV34NA specifications

Desa CDV34NA and CDV34PA are two prominent models in the Desa vent-free gas fireplace series, renowned for their efficiency, craftsmanship, and modern design. These fireplaces offer an ambient warmth while combining style with practicality, making them a popular choice for homeowners looking to enhance their living spaces.

One of the key features of the CDV34NA and CDV34PA is the vent-free technology. This innovative design allows for the direct burning of gas without the necessity of a chimney or venting system. As a result, these fireplaces can be installed in various locations within the home, providing flexibility that traditional fireplaces cannot match. The absence of a flue system also means that no heat is lost during the exhaust process, allowing for maximum energy efficiency.

Both models are equipped with advanced safety features. They include an Oxygen Depletion Sensor (ODS) that automatically shuts off the unit if oxygen levels fall below a safe threshold. This technology not only ensures the safety of users but also enhances peace of mind while operating the fireplace. Additionally, the CDV34 series features a built-in thermocouple that regulates the temperature, providing an added layer of safety by preventing overheating.

When it comes to aesthetics, the CDV34NA and CDV34PA do not disappoint. They feature a modern, sleek design that complements a variety of interior decors. Available in stylish finishes, these units can seamlessly blend into contemporary homes or traditional settings. The large viewing windows provide a captivating view of the flames, creating an inviting ambiance ideal for any gathering.

Performance-wise, both models deliver impressive heating capabilities. With adjustable heat output settings, users can customize the warmth to suit their preferences. The units operate quietly, enhancing the overall comfort of the environment without disruptive fan noise. Additionally, the CDV34NA model runs on natural gas, while the CDV34PA uses propane, providing options based on the homeowner's available gas supply.

In conclusion, the Desa CDV34NA and CDV34PA are exceptional options for those seeking a versatile and stylish heating solution. With their vent-free technology, enhanced safety features, and elegant design, these fireplaces are perfect for adding warmth and character to any indoor space. Whether for new constructions or renovations, these models offer the right blend of function and form for today's discerning homeowners.
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