Desa GAS LOG HEATER installation manual Troubleshooting, Observed Problem Possible Cause Remedy

Page 18

VANGUARD FLAME-MAX®

UNVENTED NATURAL GAS LOG HEATER

TROUBLESHOOTING

Note: For additional help, visit DESA International’s Technical Service web site at www.desatech.com.

Note: All troubleshooting items are listed in order of operation.

WARNING: Turn off and un- plug heater and let cool before servicing. Only a qualified ser- vice person should service and repair heater.

CAUTION: Never use a wire, needle, or similar object to clean ODS/pilot. This can damage ODS/ pilot unit.

OBSERVED PROBLEM

POSSIBLE CAUSE

REMEDY

When ignitor button is pressed, there is no

1.

Ignitor electrode not connected to igni-

1.

Reconnect ignitor cable

spark at ODS/pilot

 

tor cable

 

 

 

2.

Ignitor cable pinched or wet

2.

Free ignitor cable if pinched by any

 

 

 

 

metal or tubing. Keep ignitor cable dry

 

3.

Piezo ignitor nut is loose

3.

Tighten nut holding piezo ignitor to base

 

 

 

 

panel of log set. Nut is located behind

 

 

 

 

base panel.

 

4.

Broken ignitor cable

4.

Replace ignitor cable

 

5.

Bad piezo ignitor

5.

Replace piezo ignitor

 

6.

Ignitor electrode positioned wrong

6.

Replace ignitor

 

7.

Ignitor electrode broken

7.

Replace ignitor

 

 

 

 

 

When ignitor button is pressed, there is

1.

Gas supply turned off or manual shutoff

1.

Turn on gas supply or open manual

spark at ODS/pilot but no ignition

 

valve closed

 

shutoff valve

 

2.

Control knob not in PILOT position

2.

Turn control knob to PILOT position

 

3.

Control knob not pressed in while in

3.

Press in control knob while in PILOT

 

 

PILOT position

 

position

 

4.

Air in gas lines when installed

4.

Continue holding down control knob.

 

 

 

 

Repeat igniting operation until air is

 

 

 

 

removed

 

5.

ODS/pilot is clogged

5.

Clean ODS/pilot (see Cleaning and

 

 

 

 

Maintenance, page 23) or replace ODS/

 

 

 

 

pilot assembly

 

6.

Gas regulator setting is not correct

6.

Replace gas regulator

 

 

 

 

 

ODS/pilot lights but flame goes out when

1.

Control knob not fully pressed in

1.

Press in control knob fully

control knob is released

2.

Control knob not pressed in long enough

2.

After ODS/pilot lights, keep control

 

 

 

 

knob pressed in 30 seconds

 

3.

Safety interlock system has been

3.

Wait one minute for safety interlock sys-

 

 

triggered

 

tem to reset. Repeat ignition operation

 

4.

Manual shutoff valve not fully open

4.

Fully open manual shutoff valve

 

5.

Pilot flame not touching thermocouple,

5.

A) Contact local natural gas company

 

 

which allows thermocouple to cool,

 

 

 

 

causing pilot flame to go out. This prob-

 

B) Clean ODS/pilot (see Cleaning and

 

 

lem could be caused by one or both of

 

Maintenance, page 23) or replace ODS/

 

 

the following:

 

pilot assembly

 

 

A) Low gas pressure

 

 

 

 

B) Dirty or partially clogged ODS/pilot

 

 

 

6.

Thermocouple connection loose at con-

6.

Hand tighten until snug, then tighten 1/4

 

 

trol valve

 

turn more

 

7.

Thermocouple damaged

7.

Replace thermocouple

 

8.

Control valve damaged

8.

Replace control valve

www.desatech.com

18

104342

Page 17 Page 19
Image 18
Page 17 Page 19
Contents FLAME-MAX Vintage Oak OWNER’S Operation and Installation ManualWhat to do if YOU Smell GAS FLAME-MAX BirchSafety Information Vanguard FLAME-MAX Unvented Natural GAS LOG HeaterLocal Codes Product FeaturesProduct Identification UnpackingUnusually 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 Building Ventilation AIRVentilation Air From Inside Ventilation Air From OutdoorsMinimum Wall and Ceiling Clearances see Figure InstallationCheck GAS Type Minimum Fireplace Clearance To Combustible MaterialsIf Not Using Mantel Minimum Noncombustible Material ClearancesFloor Clearances Determining Minimum Mantel Clearance When Using a HoodMantel Clearances Determining Minimum Mantel ClearanceInstalling Damper Clamp Accessory for Vented Operation Installing Heater Base AssemblyInstallation Items Needed Attaching Flexible Gas Hose to Heater Gas RegulatorConnecting to GAS Supply Gas ConnectionPressure Testing Gas Supply Piping System Pressure Testing Heater Gas ConnectionsChecking GAS Connections Installing Logs For Vintage Oak Log ModelFor Golden Oak or Birch Models Operating Heater Lighting InstructionsTo Turn OFF GAS To Appliance Manual Lighting ProcedureVariable Control Operation Shutting Off HeaterPilot Flame Pattern Inspecting BurnersThermostat Control Operation Burner Primary AIR HolesTroubleshooting Observed Problem Possible Cause RemedyMaintenance, Gas leak. See Warning statement at Optional Positioning of Thermostat Sensing Bulb For Masonry and FACTORY-BUILT Metal FireplaceSpecifications Cleaning and Maintenance Replacement PartsIllustrated Parts Breakdown FLAME-MAX Vintage OAK LOG Models VYS18N and VYS24NODS Pilot Parts List VYS18N VYS24NODS Pilot VYD18N, VYBD18N VYD24N, VYBD24N VYD30N, VYBD30N VYD36N Thermostatically Controlled Models VYD18NT VYD24NT VYD30NT VYD18NT VYD24NT VYD30NT VYD18NT VYD24NT VYD30NTAccessories Service HintsTechnical Service 104342 Warranty Information International

GAS LOG HEATER specifications

Desa GAS LOG HEATER is a popular heating solution that brings the warmth and ambiance of a traditional fireplace to modern living spaces. Renowned for its efficiency and aesthetic appeal, this gas log heater is designed to replicate the flickering flames and the cozy feel of a wood-burning fire without the associated hassles.

One of the primary features of the Desa GAS LOG HEATER is its realistic flame effect, which is created using advanced gas log technology. The heater utilizes artificial logs that are crafted to resemble real wood, enhancing the visual appeal and creating a nostalgic atmosphere. The flames are adjustable, allowing users to customize the intensity based on their preferences and heating needs.

Efficiency is a hallmark of the Desa GAS LOG HEATER. Equipped with a high-efficiency heating system, it effectively converts gas to heat, ensuring that energy consumption is kept to a minimum. This results in lower utility bills and a reduced carbon footprint, making it an environmentally friendly option for homeowners. The heater's BTU output can vary, allowing it to accommodate different room sizes and layouts.

The Desa GAS LOG HEATER also features easy ignition systems, which simplify the startup process. Many models come with an automatic ignition option or a push-button start, eliminating the need for matches or lighter. Furthermore, they often include adjustable heat settings, enabling users to control the temperature easily.

Safety is a critical concern with gas heaters, and Desa addresses this with built-in safety features. These may include safety shut-off valves, thermocouple sensors, and automatic shut-off systems that activate in case of malfunction or if the heater tips over. This provides peace of mind for families with children or pets.

Installation of the Desa GAS LOG HEATER is generally straightforward, especially compared to traditional wood-burning fireplaces. Many units can be vented directly through an exterior wall, reducing the need for extensive chimney systems. This versatility allows homeowners to place the heater in various locations, enhancing the overall design of their spaces.

In summary, the Desa GAS LOG HEATER combines style, efficiency, and safety to deliver a reliable heating solution. Its realistic flames and efficient operation make it an attractive choice for anyone seeking to enjoy the charm of a fireplace without the complexities of wood burning. As energy efficiency and environmental consciousness continue to rise, the Desa GAS LOG HEATER stands out as a smart option for modern homes.
Top Page Image Contents