Desa UNVENTED (VENT-FREE) NATURAL GAS LOG HEATER installation manual Refer to Air for Com

Page 27

TROUBLE- SHOOTING

Continued

OBSERVED

POSSIBLE

 

 

PROBLEM

CAUSE

REMEDY

 

 

 

 

 

Burner does not light

1.

Inlet gas pressure is

1.

Contact local natural

after ODS/pilot is lit

 

too low

 

gas company

 

2.

Burner orifice clogged

2.

Clean burner (see

 

 

 

 

Cleaning and Mainte-

 

 

 

 

nance, page 25) or

 

 

 

 

replace burner orifice

 

3.

Burner orifice diameter

3.

Replace burner orifice

 

 

is too small

 

 

 

 

 

 

 

Delayed ignition

1.

Manifold pressure is

1.

Contact local natural

burner

 

too low

 

gas company

 

2.

Burner orifice clogged

2.

Clean burner (see

 

 

 

 

Cleaning and Mainte-

 

 

 

 

nance, page 25) or

 

 

 

 

replace burner orifice

 

 

 

 

 

Burner backfiring

1.

Burner orifice is

1.

Clean burner (see

during combustion

 

clogged or damaged

 

Cleaning and Mainte-

 

 

 

 

nance, page 25) or

 

 

 

 

replace burner orifice

 

2.

Damaged burner

2.

Replace damaged

 

 

 

 

burner

 

3.

Gas regulator defective

3.

Replace gas regulator

 

 

 

 

Slight smoke or odor

1. Not enough air

1.

Check burner for dirt

during initial opera-

 

 

 

and debris. If found,

tion

 

 

 

clean burner (see

 

 

 

 

Cleaning and Mainte-

 

 

 

 

nance, page 25)

 

2.

Gas regulator defective

2.

Replace gas regulator

 

3.

Residues from manu-

3.

Problem will stop after

 

 

facturing processes

 

a few hours of opera-

 

 

and logs curing

 

tion

 

 

 

 

Heater produces a

1. Turning control knob

1.

Turn control knob to

whistling noise when

 

to HI position when

 

LO position and let

burner is lit

 

burner is cold

 

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 natural gas

 

 

 

 

company

 

3.

Air passageways on

3.

Observe minimum

 

 

heater blocked

 

installation clearances

 

 

 

 

(see pages 10-13)

 

4.

Dirty or partially

4.

Clean burners (see

 

 

clogged burner orifice

 

Cleaning and Mainte-

 

 

 

 

nance, page 25) or

 

 

 

 

replace burner orifice

 

 

 

 

 

Moisture/condensation

1.

Not enough combus-

1.

Refer to Air for Com-

noticed on windows

 

tion/ventilation air

 

bustion and Ventilation

 

 

 

 

requirements (page 5-8)

103309

27

Image 27
Contents Oak Log Design OWNER’S Operation and Installation ManualFLAME-MAX What to do if YOU Smell GASContents Safety Information Information SafetyProduct Identification Product FeaturesLocal Codes UnpackingUnconfined Space AIR for Combustion and VentilationProviding Adequate Ventilation Unusually Tight ConstructionDetermining if You Have a Confined or Unconfined Space Determining AIR Flow for Heater LocationVentilation AIR Ventilation Air From Inside BuildingVentilation Air From Outdoors Check GAS Type InstallingMinimum Wall and Ceiling Clearances see Figure Minimum Fireplace ClearanceTo Combustible Materials LOG Sizing RequirementsMinimum Non Combustible Material Clearances If Using Mantel Installing Attaching Damper Clamp Installing Damper Clamp Accessory for Vented OperationInstallation Items Needed Installing Heater Base AssemblyAttaching Flexible Gas Hose to Heater Gas Regulator Installation Items Needed Connecting to GAS SupplyGas Connection Checking GAS ConnectionsTest Pressures Equal To or Less Than 1/2 Psig Pressure Testing Heater Gas ConnectionsFor Standard Oak Log Model Installing LogsFor Premium Models Installing Premium One-Piece Log SetOperating Heater For Your Safety Read Before LightingVariable Control Operation Pilot Flame Pattern Operating Heater Inspecting BurnersLogs Trouble ShootingQualified service person should service and repair heater ODS/PILOT and BurnerTROUBLE- Shooting Maintenance,Refer to Air for Com Gas leak. See Warning Hints ServiceReplacement Parts TechnicalIllustrated Parts Breakdown KEY Part Number for VYS18N VYS24N Description QTY Parts ListBirch Log Models VYD24N and VYBD24N KEY Part Number for VYD24N VYBD24N Description QTY Hood GA6052 AccessoriesValve GA5010 Hood GA6050103309 Keep this Warranty Warranty Information

UNVENTED (VENT-FREE) NATURAL GAS LOG HEATER specifications

The Desa Unvented (Vent-Free) Natural Gas Log Heater is an innovative heating solution that combines efficiency, comfort, and aesthetic appeal. Designed for those seeking a reliable and stylish way to heat their living spaces, this vent-free heater is ideal for any home setting.

One of the main features of the Desa Unvented Gas Log Heater is its ability to provide warmth without the need for external venting. This means it can be installed in a variety of locations, including areas without a traditional chimney or flue. The absence of vents not only simplifies installation but also maximizes design flexibility, allowing homeowners to enhance their existing decor with a beautiful gas log fireplace.

The heater utilizes advanced infrared heating technology, which ensures that radiant heat is emitted throughout the room. This method of heating is exceptionally efficient, as it warms up objects and people directly, rather than merely heating the air. Consequently, this results in faster heating times and greater comfort, especially during colder months.

Equipped with the latest safety features, the Desa Unvented Gas Log Heater includes an oxygen depletion sensor (ODS), which automatically shuts off the heater if oxygen levels drop too low. This feature guarantees peace of mind for users, ensuring that safety is prioritized without sacrificing comfort.

Another significant characteristic of this heater is its realistic log design, which mimics the look of traditional wood-burning fireplaces. The ceramic fiber logs are intricately detailed, providing an authentic and charming ambiance that enhances any room's aesthetic. This realistic flame effect not only adds to the visual appeal but also creates a cozy atmosphere perfect for gatherings with family and friends.

The heater is designed to operate efficiently with minimal maintenance. The adjustable thermostat allows for precise temperature control, ensuring that users can set their desired warmth level and maintain it effortlessly. Moreover, the unit is compatible with natural gas, making it an environmentally friendly option that reduces the carbon footprint compared to traditional heating methods.

In summary, the Desa Unvented Natural Gas Log Heater is an exceptional heating option that combines elegance, safety, and performance. With its vent-free design, advanced heating technology, realistic aesthetics, and user-friendly features, this heater is a perfect choice for those looking to create a warm and inviting environment in their homes.