Desa VYM27NR installation manual Observed Problem Possible Cause Remedy, Maintenance

Page 18

VANGUARD FLAME MAX®

UNVENTED NATURAL GAS LOG HEATER

TROUBLESHOOTING

Continued

 

 

OBSERVED PROBLEM

POSSIBLE CAUSE

REMEDY

 

 

Burner does not light after ODS/pilot is lit

1.

Burner orifice clogged

1.

Clean burner (see Cleaning and Mainte-

 

 

 

 

 

 

nance, page 21) or replace burner orifice

 

 

 

2.

Inlet gas pressure is too low

2.

Contact local natural gas company

 

 

 

3.

Burner orifice diameter is too small

3.

Replace burner orifice

 

 

 

4.

Thermopile leads disconnected or im-

4.

Reconnect leads (see Wiring Diagram,

 

 

 

 

properly connected

 

page 20)

 

 

 

5.

Burners will not come on in remote po-

5.

Replace battery in transmitter and re-

 

 

 

 

sition

 

ceiver

 

 

 

 

 

 

 

 

 

 

Delayed ignition burner

1.

Manifold pressure is too low

1.

Contact local natural gas company

 

 

 

2.

Burner orifice clogged

2.

Clean burner (see Cleaning and Mainte-

 

 

 

 

 

 

nance, page 21) or replace burner orifice

 

 

 

 

 

 

 

 

 

 

Burner backfiring during combustion

1.

Burner orifice is clogged or damaged

1.

Clean burner (see Cleaning and Mainte-

 

 

 

 

 

 

nance, page 21) 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.

Not enough air

1.

Check burner for dirt and debris. If

 

 

 

 

 

 

found, clean burner (see Cleaning and

 

 

 

 

 

 

Maintenance, page 21)

 

 

 

2.

Gas regulator defective

2.

Replace gas control

 

 

 

3.

Residues from manufacturing processes

3.

Problem will stop after a few hours of

 

 

 

 

and logs curing

 

operation

 

 

 

 

 

 

 

 

 

 

Moisture/condensation noticed on windows

1.

Not enough combustion/ventilation air

1.

Refer to Air for Combustion and Venti-

 

 

 

 

 

 

lation requirements (page 4)

 

 

 

 

 

 

 

 

 

Heater produces a whistling noise when

1.

Turning control knob to HI position

1.

Turn 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

 

 

 

 

 

 

natural gas company

 

 

 

3.

Air passageways on heater blocked

3.

Observe minimum installation clear-

 

 

 

 

 

 

ances (see pages 7 through 9)

 

 

 

4.

Dirty or partially clogged burner orifice

4.

Clean burner (see Cleaning and Mainte-

 

 

 

 

 

 

nance, page 21) or replace burner orifice

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 heater off when using furniture polish, wax, carpet cleaners, or similar products

Remote does not function

1. Battery is not installed. Battery power

 

is low

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

www.desatech.com

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104674

Image 18
Contents What to do if YOU Smell GAS OWNER’S Operation and Installation ManualRemote Control Ready Model Patent PendingSafety Information Vanguard Flame MAX Unvented Natural GAS LOG HeaterProduct Identification Product FeaturesRemote Control Accessories Local CodesUnusually 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 OutdoorsCheck GAS Type InstallationInstallation Clearances Minimum Fireplace Clearance to Combustible MaterialsIf Not Using Mantel If Using MantelMinimum Noncombustible Material Clearances Floor Clearances Determining Minimum Mantel Clearance When Using a HoodMantel Clearances Determining Minimum Mantel ClearanceInstallation Items Needed Installing Damper Clamp Accessory for Vented OperationInstalling Heater Base Assembly Chimney Minimum Permanent Height ft Flue Opening sq. insConnecting to GAS Supply Attaching Flexible Gas Hose to HeaterChecking GAS Connections Pressure Testing Gas Supply Piping SystemPressure Testing Heater Gas Connections Test Pressures In Excess Of 1/2 PsigInstalling Logs Installing Bottom Log #1For Your Safety Read Before Lighting Operating HeaterInstructions Manual Lighting Procedure To Turn OFF GAS To ApplianceOptional Remote Operation Burner Primary AIR Holes Inspecting BurnersPilot Flame Pattern Main BurnerTroubleshooting Observed Problem Possible CauseObserved Problem Possible Cause Remedy Maintenance,Top Gas leak. See Warning statement at topService Hints Wiring Diagram Replacement PartsSpecifications Technical ServiceCleaning and Maintenance Cleaning Burner Injector Holder and Pilot AIR Inlet HoleLogs Illustrated Parts Breakdown VYM27NRParts List Description QTYAccessories 104674 Limited Warranty VENT-FREE Natural GAS LOG Heaters International

VYM27NR specifications

Desa VYM27NR is a cutting-edge piece of technology designed to meet the demanding needs of modern users while ensuring energy efficiency and superior performance. This innovative device integrates advanced features and smart technologies that make it a popular choice among professionals and consumers alike.

One of the main features of the Desa VYM27NR is its robust performance powered by a high-efficiency motor. This motor is capable of delivering exceptional power output while minimizing energy consumption, which contributes to lower operational costs. The unit operates quietly, making it suitable for use in residential areas without causing disruption.

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