Desa VFRMV18PA, VFRMV18NA, VFRMV24NA, VFRMV24PA installation manual

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UNVENTED (VENT FREE) GAS LOG HEATER

OWNER’S OPERATION AND INSTALLATION MANUAL

ANSI Z21.11.2a-2003

ANSI Z21.60-2003

APPROVED

VFRMV18NA, VFRMV18PA

VFRMV24NA, VFRMV24PA

Vent-free Models Also Design-Certified

As Vented Decorative Appliances

WARNING: If the information in this manual is not fol- lowed exactly, a fire or explosion may result causing property damage, personal injury or loss of life.

—Do not store or use gasoline or other flammable vapors and liquids in the vicinity of this or any other appliance.

—WHAT TO DO IF YOU SMELL GAS

•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 neighbor’s phone. Follow the gas supplier’s instructions.

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

—Installation and service must be performed by a quali- fied installer, service agency or the gas supplier.

Save this manual for future reference.

For more information, visit www.desatech.com

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Contents Ansi Z21.11.2a-2003 Ansi Z21.60-2003 VFRMV18NA, VFRMV18PA VFRMV24NA, VFRMV24PATable 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 From Inside Building Ventilation AIRVentilation Air From Outdoors AIR for Combustion Ventilation InstallationCheck GAS Type Installation and Clearances for VENT-FREE OperationMinimum Noncombustible Material Clearances InstallationFloor Clearances Mantel ClearancesInstalling Heater Assembly Installing Damper Clamp Accessory for Vented OperationInstallation Items Needed Masonry Manufactured FireplaceFireplacePropane/LP External Regulator Supply Tank Vent Pointing Down Connecting to GAS SupplyTo Gas Control Valve Checking GAS ConnectionsPropane/LP From Test Pressures Equal To or Less Than 1/2 Psig 3.5 kPa Test Pressures In Excess Of 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 Optional HAND-HELD Remote Operation Manual Lighting ProcedureON/OFF Series Model Ghrcb Thermostat Series Model GhrctbInspecting Burners Auto Shutoff FeaturePilot Flame Pattern Check pilot flame pattern and burner flame pat- terns oftenBurner Flame Pattern Cleaning MaintenanceBurner Injector Holder and Pilot AIR Inlet Hole Propane/LP Wiring DiagramObserved Problem Possible Cause Remedy TroubleshootingSafety interlock system has Out when control knob is reClean ODS/pilot see Low gas pressure AssemblyGas regulator defective Replace gas regulator Cleaners or similar productsOperation Processes and logs curing Hours of operation Turning control knob to HIGas leak. See Warning Replacement Parts SpecificationsTechnical Service AccessoriesReceiver and HAND-HELD Remote Control KIT Ghrcb Receiver and HAND-HELD Thermostat Remote Control KIT GhrctbWALL-MOUNT Thermostat Switch GWMT1 FB36CA, FB42C Series CIRCULATING, FB36NCA, FB42NCVFRMV18NA, VFRMV18PA Illustrated Parts BreakdownParts 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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