Desa VMH26PR installation manual Observed Problem Possible Cause Remedy

Page 23

OWNER’S MANUAL

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 25) or replace burner orifice

 

2.

Inlet gas pressure is too low

2.

Contact local propane/LP 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 25)

 

5.

Burners will not come on in remote

5.

Replace battery in transmitter and receiver

 

 

position

 

 

 

 

 

 

 

 

 

Delayed ignition burner

1.

Manifold pressure is too low

1.

Contact local propane/LP gas company

 

2.

Burner orifice clogged

2.

Clean burner (see Cleaning and Mainte-

 

 

 

 

nance, page 25) or replace burner orifice

 

 

 

 

 

 

Burner backfiring during combustion

1.

Burner orifice is clogged or damaged

1.

Clean burner (see Cleaning and Mainte-

 

 

 

 

nance, page 25) 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 25)

 

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 5)

 

 

 

 

 

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 pro-

 

 

 

 

pane/LP gas company

 

3.

Air passageways on heater blocked

3.

Observe minimum installation clear-

 

 

 

 

ances (see pages 8 through 10)

 

4.

Dirty or partially clogged burner orifice

4.

Clean burner (see Cleaning and Mainte-

 

 

 

 

nance, page 25) 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

Continued

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Contents What to do if YOU Smell GAS VENT-FREE PROPANE/LP GASCompact Classic Hearth Fireplace Safety InformationLocal Codes Product FeaturesRemote Control Accessories Product IdentificationAssembling Hood AssemblyInstalling Log Assembling FireplaceConfined and Unconfined Space AIR for Combustion and VentilationProviding Adequate Ventilation Unusually Tight ConstructionDetermining if You Have a Confined or Unconfined Space AIR for Combustion VentilationDetermining FRESH-AIR Flow for Fireplace Location Ventilation Air From Outdoors Ventilation AIRVentilation Air From Inside Building Locating Fireplace InstallationInstallation Items Check GAS TypeRough Opening for Installing in Wall BUILT-IN Fireplace InstallationAssembling Brass Trim Brass trim shipped with mantel Optional Mantel InstallationMantel Clearances for Built-In Installation Installing Blower Assembly Installing Blower Accessory GA3400TRemoving Upper Louver Assembly Test to make sure the blower is work- ing properly For Built-In InstallationAttaching Wood Base to Solid Floor Connecting to GAS SupplyExtension Cord Installation Items Needed Connecting Fireplace to GAS SupplyChecking GAS Connections Pressure Testing Fireplace Gas ConnectionsPressure Testing Gas Supply Piping System Optional Wall Mounted Thermostat GWMT1 Optional Wireless HAND- Held Remote Control AccessoriesInstalling Receiver Installing 9-Volt Battery in Hand- Held Remote Control UnitRoute the 25 ft. wire to a convenient Optional Wall Switch GWMS2Lighting Instructions For Your Safety Read Before LightingOperating Fireplace Optional Remote Operation Manual Lighting ProcedureTo Turn OFF GAS To Appliance Operating Blower GWMS2 Wall Mounted Switch OptionalOPERATINGGWMT1 Wall Fireplace OptionalBurner Flame Pattern Inspecting BurnersPilot Flame Pattern Observed Problem Possible Cause TroubleshootingObserved Problem Possible Cause Remedy Gas leak. See Warning statement at Wiring Diagram Cleaning and MaintenanceService Hints Technical ServiceAccessories Replacement Parts SpecificationsVMH26PR4 Illustrated Parts BreakdownVMH26PR Parts ListInternational Warranty Information

VMH26PR specifications

Desa VMH26PR is a cutting-edge horizontal multistage pump designed for a variety of applications, primarily in industrial and municipal sectors. Its robust construction delivers excellent performance and reliability, making it a preferred choice for demanding environments.

One of the primary features of the VMH26PR is its versatile design. Engineered for efficiency, it is capable of handling a wide range of fluids, including clean water, chemicals, and other industrial liquids. This pump is particularly known for its ability to operate under high-pressure conditions while maintaining a low energy consumption rate, which is a significant advantage in terms of operational costs.

The VMH26PR incorporates advanced hydraulic technologies, which enhance both performance and efficiency. The multistage configuration allows for higher pressure generation, making it ideal for applications that require elevated discharge pressures. Each stage is meticulously designed to optimize flow, reducing turbulence and maximizing throughput. This results in improved overall system efficiency and longevity of the pump.

In terms of materials, the VMH26PR offers various casing options tailored to the specific needs of the application, including stainless steel and cast iron. These materials provide excellent resistance to corrosion and wear, ensuring durability even in harsh environments. Additionally, the pump features mechanical seals designed to minimize leakage and enhance reliability.

Another significant technological aspect of the VMH26PR is its modular design. This allows for easy maintenance and component replacement, reducing downtime and service costs. Users can easily access vital parts without disassembling the entire unit, which is a considerable advantage for operation in critical settings.

Moreover, the Desa VMH26PR is equipped with a range of monitoring and control options, enabling seamless integration into automated processes. This feature enhances operational efficiency, allowing operators to monitor performance parameters in real-time and make data-driven decisions to optimize performance.

Overall, the Desa VMH26PR stands out with its combination of efficiency, durability, and ease of maintenance, making it an ideal solution for various fluid handling tasks across different industries. Its ability to adapt to specific requirements and conditions ensures it will meet the diverse needs of modern applications effectively.
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