Desa VFRMV18PA installation manual Unvented Vent Free GAS LOG Heater, What to do if YOU Smell GAS

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UNVENTED (VENT FREE)

GAS LOG HEATER

ANSI Z21.11.2a-2003

ANSI Z21.60-2003

OWNER’S OPERATION AND

CSA 2.26-2003

INSTALLATION MANUAL

APPROVED

For more information, visit www.desatech.com

VFRMV18NA, VFRMV18PA

VFRMV24NA, VFRMV24PA

Vent-free Models Also Design--Certified As Vented Decorative Appliances

WARNING: If the information in this manual is not followed exactly, a fire or explosion may result causing property damage, per- sonal 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 sup- plier’s instructions.

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

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

WARNING: Improper installation, ad- justment, alteration, service, or main- tenance can cause injury or property damage. Refer to this manual for correct installation and operational procedures. For assistance or addi- tional information consult a qualified installer, service agency, or the gas supplier.

WARNING: This appliance is for instal- lation only in a solid-fuel burning masonry or UL127 factory-built fireplace, or in an approved vent less firebox. It is design- certified for these installations in accor- dance with ANSI Z21.11.2. Exception: do not install this appliance in a factory-built fireplace that includes instructions stating it has not been tested or should not be used with unvented logs.

WARNING: This is an unvented gas-fired heater. It uses air (oxygen) from the room in which it is installed. Provisions for adequate combustion and ventilation air must be provided. Refer to Air for combustion and Ventilation section on page 4 of this manual.

This appliance may be installed in an aftermarket,* manufactured (mobile) home, where not prohibited by local codes.

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

Warning: This product must be installed by a Licensed Plumber or Gas Fitter when installed within The Commonwealth of Massachusetts.

* Aftermarket: Completion of sale, not for purpose of resale, from the manufacturer

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Contents What to do if YOU Smell GAS Unvented Vent Free GAS LOG HeaterTable of Contents Local Codes Safety Information Product IdentificationProduct Features Optional Remote Control AccessoriesSafety Device Local CodesDetermining if You Have a Confined or Unconfined Space Determining FRESH-AIR Flow for Appliance LocationVentilation Air From Inside Building Ventilation AIRCheck GAS Type InstallationMinimum Noncombustible material Clearences InstallationMantel Clearances InstallationFloor Clearances Attaching Damper Clamp Installing Heater AssemblyConnecting to GAS Supply InstallationPROPANE/LP Checking GAS ConnectionsNatural Checking Gas Joints propane/LP only What to do if YOU Smell GAS Lighting InstructionsRemote Control Operation Manual Lighting ProcedureOperating Heater To Turn OFF GAS to ApplianceThermostat Control Operation Operating HeaterBurner Flame Pattern Pilot Flame PatternInjector Holder On Outlet Burner Tube Cleaning Burner Injector Holder and Pilot AIR Inlet HoleObserved Problem Possible Cause Remedy TroubleshootingTroubleshooting Troubleshooting VFRMV18NA VFRMV24NA SpecificationsService Hints Technical Service Replacement Parts Service HintsVFRMV18NA, VFRMV18PA VFRMV24NA, VFRMV24PA Illustrated Parts BreakdownPart Number for Parts ListReceiver and HAND-HELD Remote Control KIT Ghrcb AccessoriesWALL-MOUNT Thermostat Switch GWMT1 WALL-MOUNT ON/OFF Switch GWMS2This page Intentionally Left OWNER’S Registration Form Postage Required 114745-01 Limited Warranty VENT-FREE GAS LOG Heaters Warranty Information

VFRMV24NA, VFRMV18NA, VFRMV18PA specifications

The Desa VFRMV18NA, VFRMV18PA, and VFRMV24NA are advanced heating solutions designed to efficiently warm residential spaces while providing enhanced user comfort and convenience. These models are part of the VFRMV series, known for their reliability, innovative technology, and energy efficiency.

One of the main features of the VFRMV series is its variable refrigerant flow (VRF) technology. This allows the system to modulate the amount of refrigerant sent to each indoor unit based on the current heating or cooling load, resulting in optimal energy consumption. This flexibility not only saves energy but also ensures that the desired temperature can be quickly achieved and maintained across different rooms.

The VFRMV18NA and VFRMV18PA models are designed for residential use, with the VFRMV18PA specifically including additional features for enhanced performance in various climatic conditions. They come equipped with inverter-driven compressors, which adjust their speed to meet demand, leading to quieter operation and improved efficiency. This inverter technology ensures that energy consumption decreases during periods of lower demand, making these models environmentally friendly and cost-effective.

The VFRMV24NA model, with its higher capacity, is suitable for larger spaces or homes needing additional heating and cooling power. Like its counterparts, it features a high SEER (Seasonal Energy Efficiency Ratio) and HSPF (Heating Seasonal Performance Factor) ratings, indicating its efficiency in energy use, which translates into savings on energy bills for homeowners.

In terms of characteristics, all three models incorporate user-friendly controls, allowing homeowners to easily adjust settings and schedule operations. Smart technology integration enables remote monitoring and control via mobile apps, giving users the ability to manage their indoor climate on the go.

Additionally, the VFRMV series features advanced filtration systems that improve indoor air quality by capturing dust and allergens, making these models an excellent choice for households with allergy sufferers. The units are also designed with sleek, modern aesthetics, ensuring they blend seamlessly with a variety of interior designs.

In summary, the Desa VFRMV18NA, VFRMV18PA, and VFRMV24NA offer cutting-edge technology, impressive efficiency, and user-friendly features. With their VRF technology, inverter-driven compressors, and smart controls, these heating solutions provide an ideal choice for homeowners seeking comfort, efficiency, and convenience in their indoor environments.
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