Desa VFRMV24PA installation manual Provide adequate clearances around air openings

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SAFETY INFORMATION

Continued

Keep the appliance area clear and free from combustible ma- terials, gasoline and other flam- mable vapors and liquids.

Solid fuels shall not be burned in a fireplace in which an unvented room heater installed.

Children and adults should be alerted to the hazard of high tem- perature and should stay away to avoid burns or clothing ignition.

1.This appliance, as supplied, is only for use with the type of gas indicated on the rating plate. This appliance is not convertible for use with other gases.

2.Do not place propane/LP supply tank(s) in- side the structure.Locate propane/LP supply tank(s) outdoors (propane/LP units only).

3.If you smell gas

•shut off gas supply

•do not try to light any appliance

•do not touch any electrical switch; do not use any phone in your building

•immediately call your gas supplier from a neighborʼs phone. Follow the gas supplierʼs instructions

•if you cannot reach your gas supplier, call the fire department

4.This heater shall not be installed in a bedroom or bathroom, unless installed as a vented appli- ance. See Installing Damper Clamp Accessory for Vented Operation, page 12.

5.Before installing in a solid fuel burning fireplace, the chimney flue and firebox must be cleaned of soot, creosote, ashes and loose paint by a qualified chimney cleaner. Creosote will ignite if highly heated. Inspect chimney flue for damage. If dam- aged, repair flue before operating appliance.

6.If fireplace has glass doors, never operate with glass doors closed, If you operate heater with doors closed, heat buildup inside fireplace will cause glass to burst. Also if fireplace opening has vents at the bottom, you must open the vents before operating heater.

7.To prevent the creation of soot, follow the instruc- tions in Cleaning and Maintenance, page 20.

8.Before using furniture polish, wax, carpet cleaner or similar products, turn heater off. If heated, the vapors from these products may create a white powder residue within the burner box or on adjacent walls and furniture.

9.This heater needs fresh, outside air ventilation to run properly this heater has an Oxygen De- pletion Sensing (ODS) safety shutoff system. The ODS shuts down the heater if enough fresh air is not available. See Air Combustion and Ventilation page 6. If the heater keeps shutting off, see Troubleshooting, page 22.

10.Do not run heater

•where flammable liquids or vapors are used or stored

•under dusty conditions

11.Do not use heater to cook food or burn paper or other objects.

12.Do not use heater if any part has been exposed to or under water. Immediately call a qualified service technician to inspect the room heater and to replace any part of the control system and any gas control which has been under water.

13.Do not operate heater if any log is broken. Do not operate heater if a log is chipped (dime- size or larger).

14.Turn heater off and let cool before servicing, installing or repairing. Make sure the selector switch is in the OFF position. Only a quali- fied service person should install, service or repair heater.

15.Make sure the selector switch is in the OFF position when you are away from home for long periods of time.

16.Remote-ready heaters shall not be connected to any external electrical source.

17.Operating heater above elevations of 4,500 feet may cause pilot outage.

18.To prevent performance problems, do not use propane/LP tank(s) of less than 100 lb. capac- ity (propane/LP units only).

19.Provide adequate clearances around air openings.

WARNING: Failure to posi- tion the parts in accordance with these diagrams or failure to use only parts specifically approved with this heater may result in property damage or personal injury.

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114745-01B

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Contents VFRMV18NA, VFRMV18PA VFRMV24NA, VFRMV24PA Ansi Z21.11.2a-2003 Ansi Z21.60-2003Table of Contents Safety Information Provide adequate clearances around air openings Local Codes Product IdentificationUnpacking Providing Adequate Ventilation AIR for Combustion VentilationDetermining FRESH-AIR Flow for Appliance Location Ventilation AIR Ventilation Air From Inside BuildingAIR for Combustion Ventilation Installation Ventilation Air From OutdoorsInstallation and Clearances for VENT-FREE Operation Check GAS TypeInstallation Minimum Noncombustible Material ClearancesMantel Clearances Floor ClearancesInstalling Damper Clamp Accessory for Vented Operation Installing Heater AssemblyInstallation Items Needed Masonry Manufactured FireplaceFireplaceConnecting to GAS Supply Propane/LP External Regulator Supply Tank Vent Pointing DownTo Gas Control Valve Checking GAS ConnectionsPropane/LP From Test Pressures In Excess Of 1/2 Psig 3.5 kPa Test Pressures Equal To or Less Than 1/2 Psig 3.5 kPaOperating Heater For Your Safety Read Before LightingLighting Instructions Propane/LP Natural To Turn OFF GAS To ApplianceShutting Off Heater Manual Lighting Procedure Optional HAND-HELD Remote OperationON/OFF Series Model Ghrcb Thermostat Series Model GhrctbAuto Shutoff Feature Inspecting BurnersPilot Flame Pattern Check pilot flame pattern and burner flame pat- terns oftenBurner Flame Pattern Cleaning MaintenanceBurner Injector Holder and Pilot AIR Inlet Hole Wiring Diagram Propane/LPTroubleshooting Observed Problem Possible Cause RemedyOut when control knob is re Safety interlock system hasClean ODS/pilot see Low gas pressure AssemblyCleaners or similar products Gas regulator defective Replace gas regulatorOperation Processes and logs curing Hours of operation Turning control knob to HIGas leak. See Warning Specifications Replacement PartsTechnical Service AccessoriesReceiver and HAND-HELD Thermostat Remote Control KIT Ghrctb Receiver and HAND-HELD Remote Control KIT GhrcbWALL-MOUNT Thermostat Switch GWMT1 FB36CA, FB42C Series CIRCULATING, FB36NCA, FB42NCIllustrated Parts Breakdown VFRMV18NA, VFRMV18PAParts List 114745-01B 114745-01B Keep this Warranty Warranty InformationLimited Warranty VENT-FREE GAS LOG Heaters

VFRMV24PA, VFRMV18PA, VFRMV18NA, VFRMV24NA, VFRMV24PA specifications

Desa's VFRMV series is a line of advanced heating solutions designed for energy efficiency and optimal comfort. The series includes models VFRMV24PA, VFRMV18PA, VFRMV18NA, VFRMV24NA, and VFRMV24PA. Each model is tailored to meet different heating demands, making them suitable for various residential and commercial applications.

One of the defining features of the VFRMV series is its inverter technology, which adjusts the compressor speed to match the heating or cooling needs of the environment. This capability not only enhances energy efficiency but also contributes to a quieter operation. Users can expect significant energy savings, as the inverter technology minimizes energy consumption during periods of low demand.

Each model in the VFRMV series boasts high-performance SEER and HSPF ratings, indicating superior energy efficiency and performance. With such ratings, these units are designed to make substantial contributions to reducing heating and cooling costs while complying with modern environmental standards.

The VFRMV24PA and VFRMV24NA models are particularly effective in larger spaces, offering robust heating capacities while remaining energy efficient. On the other hand, the VFRMV18PA and VFRMV18NA models cater to medium-sized spaces, ensuring that homes or offices maintain a comfortable atmosphere without overspending on energy bills.

Additional characteristics include advanced filtration systems that improve indoor air quality by removing dust, allergens, and pollutants. This feature is particularly beneficial for allergy sufferers or anyone keen on maintaining a healthier living environment.

Moreover, the VFRMV series incorporates smart home compatibility, allowing users to control their heating and cooling systems remotely via smartphone apps. This feature not only adds convenience but also enables better energy management, as users can adjust settings based on their schedules or occupancy patterns.

In summary, Desa's VFRMV series, comprising models VFRMV24PA, VFRMV18PA, VFRMV18NA, VFRMV24NA, and VFRMV24PA, offers a blend of efficiency, performance, and advanced technology. The use of inverter technology, high SEER and HSPF ratings, robust heating capabilities, advanced filtration, and smart home features make these units ideal choices for anyone looking to enhance comfort while minimizing energy expenses.
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