Desa VFRMV18PA, VFRMV18NA, VFRMV24NA, VFRMV24PA installation manual Check GAS Type

Page 9

INSTALLATION

Continued

WARNING: Seal any fresh air vents or ash clean-out doors located on floor or wall of fire- place. If not, drafting may cause pilot outage or sooting. Use a heat-resistant sealant. Do not seal chimney flue damper.

WARNING: Never install the heater

•in a bedroom or bathroom unless installed as a vented appliance, see page 12

•in a recreational vehicle

•where curtains, furniture, clothing or other flammable objects are less than 42 inches from the front, top or sides of heater

•in high traffic areas

•in windy or drafty areas

CAUTION: This heater cre- ates warm air currents. These currents move heat to wall sur- faces next to heater. Installing heater next to vinyl or cloth wall coverings or operating heater where impurities (such as, but not limited to, tobacco smoke, aromatic candles, cleaning flu- ids, oil or kerosene lamps, etc..) in the air exist, may discolor walls or cause odors.

IMPORTANT: Vent-free heaters add moisture to the air. Although this is beneficial, installing heater in rooms without enough ventilation air may cause mildew to form from too much moisture. See Air for Combustion and Ventilation, page 6.

CHECK GAS TYPE

Use the correct gas type (natural or propane/LP) for your unit. If your gas supply is not correct, do not install in fireplace. Call dealer where you bought the appliance for proper type of appliance.

WARNING: This appliance is equipped for (natural or pro- pane/LP) gas. Field conversion is not permitted.

INSTALLATION AND CLEARANCES FOR VENT-FREE OPERATION

WARNING: Maintain the minimum clearances. If you can, provide greater clearances from floor, ceiling and adjoining wall.

MINIMUM FIREPLACE CLEARANCE

TO COMBUSTIBLE MATERIALS

LOG SIZE

18", 24"

 

 

SIDE WALL

16"

CEILING

42"

 

 

FLOOR

5"

 

 

LOG SIZING REQUIREMENTS

 

MINIMUM FIREBOX SIZE

LOG

 

 

FRONT

REAR

SIZE

HEIGHT

DEPTH

WIDTH

WIDTH

18"

18"

14"

30"

20.5"

24"

18"

14"

35"

24.5"

*Measured at 14" depth

Allow adequate clearances for accessibility for purposes of servicing and proper operation

Carefully follow the instructions below. This will ensure safe installation into masonry, UL127-listed manufactured fireplace or listed vent-free firebox.

Minimum Clearances For Side

Combustible Material, Side Wall and

Ceiling

A.Clearances from the side of the fireplace cabinet to any combustible material and wall should follow diagram in Figure 4, page 10.

Example: The face of a mantel, bookshelf, etc.. is made of combustible material must be 4" from the side of the fireplace to the cabinet (see Figure 4, page 10).

B.Clearances from the top of the fireplace open- ing to the ceiling should not be less than 42 inches.

114745-01B

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 Product Identification Local CodesUnpacking AIR for Combustion Ventilation Providing Adequate 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 SupplyChecking GAS Connections To Gas Control ValvePropane/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 kPaFor Your Safety Read Before Lighting Operating HeaterLighting Instructions To Turn OFF GAS To Appliance Propane/LP NaturalShutting 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 oftenCleaning Maintenance Burner Flame PatternBurner 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 Warranty Information Keep this WarrantyLimited 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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