Desa (F)SVYD18NR installation manual Observed Problem Possible Cause Remedy

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DESA INTERNATIONAL

VENT-FREE NATURAL GAS STOVE HEATER

TROUBLESHOOTING

Continued

 

OBSERVED PROBLEM

POSSIBLE CAUSE

REMEDY

 

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 18) or replace burner orifice

 

 

 

 

 

 

 

 

Burner backfiring during combustion

1.

Burner orifice is clogged or damaged

1.

Clean burner (see Cleaning and Mainte-

 

 

 

 

 

nance, page 18) 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 18)

 

 

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 page 7)

 

 

4.

Dirty or partially clogged burner orifice

4.

Clean burner (see Cleaning and Mainte-

 

 

 

 

 

nance, page 18) or replace burner orifice

 

 

 

 

 

 

 

 

Dark residue on logs or inside of fireplace

1.

Improper log placement

1.

Properly locate logs (see Installing Gas

 

 

 

 

 

Log Heater Into Stove, page 11 )

 

 

2.

Drafts or other air currents affecting

2.

Eliminate source of drafts around heater

 

 

 

flame pattern

 

 

 

 

 

3.

Air holes at burner inlet blocked

3.

Clean out air holes at burner inlet. Peri-

 

 

 

 

 

odically repeat as needed

 

 

4.

Burner flame holes blocked

4.

Remove blockage or replace burner

 

 

 

 

 

 

 

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. may 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

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Contents VENT-FREE Natural GAS Stove Heater What to do if YOU Smell GASSafety Information Desa International VENT-FREE Natural GAS Stove HeaterLocal Codes Product FeaturesProduct Identification AIR for Combustion and Ventilation Providing Adequate VentilationUnusually Tight Construction Confined and Unconfined SpaceDetermining if You Have a Confined or Unconfined Space AIR for Combustion VentilationDetermining FRESH-AIR Flow for Heater Location Ventilation AIR Ventilation Air From InsideBuilding Ventilation Air From OutdoorsInstallation Check GAS TypeClearances to Combustibles Vent-Free Operation OnlyStove Cavity Assembly Use an adjustable wrench orAmity and Townsend Models Sheraton ModelsAttaching Stove Door Appearance May Vary Depending on Model Installing GAS LOG Heater Into Stove Fastening Heater Base to Stove Drop BottomConnecting to GAS Supply Installation Items NeededChecking GAS Connections Pressure Testing Heater Gas ConnectionsPressure Testing Gas Supply Piping System For Your Safety Read Before Lighting Operating HeaterLighting Instructions SVYD18NR and FSVYD18NR Remote-Ready ModelsOptional Remote Operation Manual Lighting ProcedureTo Turn OFF GAS To Appliance Variable Control Operation SVYD18N and FSVYD18N Manual-Variable Control ModelsInspecting Burners Pilot Flame PatternBurner Primary AIR Holes Main BurnerCleaning and Maintenance SpecificationsTechnical Service Cleaning Burner Injector Holder and Pilot AIR Inlet HoleTroubleshooting Observed Problem Possible CauseObserved Problem Possible Cause Remedy Top Illustrated Parts Breakdown SVYD18NR FSVYD18NRParts List KEY Part Number Description QTYSVYD18N FSVYD18N KEY Part Description QTY Amity SCIVF* Series PSCIVF* Series Indicates Color Suffix DesignationTouch-up Paint Bottle with Brush Porcelain Enamel Teal Green Sheraton NSCIVF* Series Parts List Townsend SeriesFC* and PFC* Series *Indicates Color Suffix Designation Replacement Parts Service HintsWiring Diagram Parts Under WarrantyAccessories Warranty Information

(F)SVYD18N, (F)SVYD18NR specifications

Desa (F)SVYD18NR and (F)SVYD18N are advanced models in the range of valves designed to serve various industrial and residential applications. Known for their reliability and efficiency, these valves are engineered to meet the demanding needs of modern fluid control systems.

One of the main features of the Desa (F)SVYD18NR and (F)SVYD18N is their robust construction. They are made from high-quality materials that ensure durability and longevity, even in harsh operating conditions. The valves are resistant to corrosion, making them suitable for handling aggressive fluids without compromising their integrity. This characteristic is essential for industries such as chemicals, oil and gas, and water treatment, where exposure to different substances is inevitable.

The valves are also equipped with advanced sealing technologies which prevent leaks and ensure optimal performance. The precision-engineered seals provide a barrier against contaminants while maintaining efficient fluid flow. This not only enhances the reliability of the system but also contributes to reduced maintenance costs and downtime.

Another significant advantage of the Desa (F)SVYD18NR and (F)SVYD18N is their versatility. They are designed to accommodate a wide range of fluid types, including gases, liquids, and slurries. This adaptability makes them ideal for various applications, from HVAC systems to industrial manufacturing processes.

In terms of operation, these valves utilize a user-friendly design that facilitates ease of installation and adjustment. They come with standardized connections that fit a variety of piping systems, simplifying the integration process. Additionally, the models have a responsive actuator mechanism that ensures precise control over fluid flow, enhancing operational efficiency.

Moreover, Desa (F)SVYD18NR and (F)SVYD18N are designed with energy efficiency in mind. Their advanced aerodynamic design minimizes pressure drops and energy consumption, making them an environmentally friendly choice. This aligns with the growing trend of sustainable practices in industrial operations.

Finally, both models are subject to rigorous testing to ensure they meet industry standards and regulations. This commitment to quality assurance guarantees that users can trust the performance and safety of these valves in their operations.

In conclusion, the Desa (F)SVYD18NR and (F)SVYD18N valves stand out for their durability, versatility, easy installation, and commitment to energy efficiency. These characteristics make them an excellent choice for anyone seeking reliable fluid control solutions in various applications.
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