Desa VMH26PR Cleaning and Maintenance, Service Hints, Technical Service, Wiring Diagram

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OWNER’S MANUAL

CLEANING AND MAINTENANCE

WARNING: Turn off fireplace and let cool before cleaning.

CAUTION: You must keep con- trol areas, burner, and circulating air passageways of fireplace clean. Inspect these areas of fireplace before each use. Have fireplace inspected yearly by a qualified service person. Fireplace may need more frequent cleaning due to excessive lint from carpeting, pet hair, etc.

CLEANING BURNER INJECTOR HOLDER AND PILOT AIR INLET HOLE

The primary air inlet holes allow the proper amount of air to mix with the gas. This provides a clean burning flame. Keep these holes clear of dust, dirt, and lint. Clean these air inlet holes prior to each heating season. Blocked air holes will create soot. We rec- ommend that you clean the unit every 2,500 hours of operation or every three months.

4.Check the injector holder located at the end of the burner tube again. Remove any large particles of dust, dirt, lint, or pet hairs with a soft cloth or vacuum cleaner nozzle.

5.Blow air into the primary air holes on the injector holder.

6.In case any large clumps of dust have now been pushed into the burner repeat steps 3 and 4.

Clean the pilot assembly also. A yellow tip on the pilot flame indicates dust and dirt in the pilot assembly. There is a small pilot air inlet hole about two inches from where the pilot flame comes out of the pilot assembly (see Figure 45). With the unit off, lightly blow air through the air inlet hole. You may blow through a drinking straw if compressed air is not available.

Injector Holder

Ports/Slots

Burner

Tube

Primary Air Inlet

Holes

SERVICE HINTS

When Gas Pressure Is Too Low

•pilot will not stay lit

•burner will have delayed ignition

•fireplace will not produce specified heat

•propane/LP gas supply may be low

When Gas Quality Is Bad

•pilot will not stay lit

•burner will produce flames and soot

•fireplace will backfire when lit

You may feel your gas pressure is too low or gas quality is bad. If so, contact your local propane/LP gas supplier.

TECHNICAL

SERVICE

You may have further questions about in- stallation, operation, or troubleshooting.

If so, contact DESA International’s Techni- cal Service Department at 1-800-323-5190.

You can also visit DESA International’s Technical Services web site at www.desatech.com.

WIRING DIAGRAM

We also recommend that you keep the burner tube and pilot assembly clean and free of dust and dirt. To clean these parts we recom- mend using compressed air no greater than 30 PSI. Your local computer store, hard- ware store, or home center may carry com- pressed air in a can. You can use a vacuum cleaner in the blow position. If using com- pressed air in a can, please follow the direc- tions on the can. If you don't follow direc- tions on the can, you could damage the pilot assembly.

1.Shut off the unit, including the pilot. Allow the unit to cool for at least thirty minutes.

2.Inspect burner, pilot, and primary air inlet holes on injector holder for dust and dirt (see Figure 44).

3.Blow air through the ports/slots and holes in the burner.

Figure 44 - Injector Holder On Outlet Burner Tube

Pilot Air Inlet

Hole

Pilot Assembly

Figure 45 - Pilot Inlet Air Hole

CABINET

Air Passageways

•Use a vacuum cleaner or pressurized air to clean.

Exterior

•Use a soft cloth dampened with a mild soap and water mixture. Wipe the cabi- net to remove dust.

Auto

Off Switch

On

Thermopile

Black

Red

TPTH TH

Gas Control

TPTH TP

Red

White

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Contents What to do if YOU Smell GAS VENT-FREE PROPANE/LP GASCompact Classic Hearth Fireplace Safety InformationRemote Control Accessories Product FeaturesProduct Identification Local CodesInstalling Log AssemblyAssembling Fireplace Assembling HoodProviding Adequate Ventilation AIR for Combustion and VentilationUnusually Tight Construction Confined and Unconfined SpaceDetermining FRESH-AIR Flow for Fireplace Location AIR for Combustion VentilationDetermining if You Have a Confined or Unconfined Space Ventilation Air From Inside Building Ventilation AIRVentilation Air From Outdoors Installation Items InstallationCheck GAS Type Locating FireplaceRough Opening for Installing in Wall BUILT-IN Fireplace InstallationMantel Clearances for Built-In Installation Optional Mantel InstallationAssembling Brass Trim Brass trim shipped with mantel Removing Upper Louver Assembly Installing Blower Accessory GA3400TInstalling Blower Assembly Test to make sure the blower is work- ing properly For Built-In InstallationExtension Cord Connecting to GAS SupplyAttaching Wood Base to Solid Floor Installation Items Needed Connecting Fireplace to GAS SupplyPressure Testing Gas Supply Piping System Pressure Testing Fireplace Gas ConnectionsChecking GAS Connections Installing Receiver Optional Wireless HAND- Held Remote Control AccessoriesInstalling 9-Volt Battery in Hand- Held Remote Control Unit Optional Wall Mounted Thermostat GWMT1Route the 25 ft. wire to a convenient Optional Wall Switch GWMS2Operating Fireplace For Your Safety Read Before LightingLighting Instructions To Turn OFF GAS To Appliance Manual Lighting ProcedureOptional Remote Operation OPERATINGGWMT1 Wall Fireplace GWMS2 Wall Mounted Switch OptionalOptional Operating BlowerPilot Flame Pattern Inspecting BurnersBurner Flame Pattern Observed Problem Possible Cause TroubleshootingObserved Problem Possible Cause Remedy Gas leak. See Warning statement at Service Hints Cleaning and MaintenanceTechnical Service Wiring DiagramAccessories 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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