Desa VFRMV18NA, VFRMV18PA, VFRMV24NA installation manual Troubleshooting

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TROUBLESHOOTING

21

TROUBLESHOOTING

Continued

WARNING: 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 neighbor’s phone. Follow the gas supplier’s instructions.

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

IMPORTANT: Operating heater where impurities in air exist may create odors. Cleaning supplies, paint, paint remover, cigarette smoke, cements and glues, new carpet or textiles, etc., create fumes. These fumes may mix with combustion air and create odors. These odors will disappear over time.

OBSERVED PROBLEM

POSSIBLE CAUSE

REMEDY

Heater produces a clicking/ticking noise just after burners are lit or shut off

1. Metal expanding while heating or contracting

1. This is common with most heaters. If noise is

while cooling

excessive, contact qualified service person

Heater produces unwanted odors

1.

Heater burning vapors from paint, hair spray,

1.

Open window to ventilate room. Stop using odor

 

 

 

glues, cleaners, chemicals, new carpet, etc.

 

causing products while heater is running

 

 

 

(See IMPORTANT statement above)

 

 

 

 

2.

Low fuel supply (propane/LP only)

2.

Refill supply tank (propane/LP only)

 

 

3.

Gas leak. See Warning statement at top of

3.

Locate and correct all leaks (see Checking Gas

 

 

 

page

 

Connections, page 12)

 

 

 

 

 

 

Heater shuts off in use (ODS operates)

1.

Not enough fresh air is available

1.

Open window and/or door for ventilation

 

 

2.

Low line pressure

2.

Contact local natural or propane/LP gas com-

 

 

 

 

 

pany

 

 

3.

ODS/pilot is partially clogged

3.

Clean ODS/pilot (see Cleaning and Mainte-

 

 

 

 

 

nance, page 18)

 

 

 

 

 

 

Gas odor even when control knob is in OFF

1.

Gas leak. See Warning statement at top of

1.

Locate and correct all leaks (see Checking Gas

position

 

page

 

Connections, page 12)

 

 

2.

Control valve or gas control defective

2.

Replace control valve or gas control

 

 

 

 

 

 

Gas odor during combustion

1.

Foreign matter between control valve and

1.

Take apart gas tubing and remove foreign mat-

 

 

 

burner

 

ter

 

 

2.

Gas leak. See Warning statement at top of

2.

Locate and correct all leaks (see Checking Gas

 

 

 

page

 

Connections, page 12)

 

 

 

 

 

 

Log set cycles to pilot, but room temperature

1.

Hand-held remote control is too close to heater

1.

Move hand-held remote control unit farther away

drops to a lower than ideal level before log set

 

(Remote-Ready Models Only)

 

from the heater

comes back on

 

 

 

 

114745-01

For more information, visit www.desatech.com

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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 InstallationInstallation Mantel ClearancesFloor Clearances Attaching Damper Clamp Installing Heater AssemblyConnecting to GAS Supply InstallationChecking GAS Connections PROPANE/LPNatural 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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