TROUBLESHOOTING

Continued

OBSERVED PROBLEM

POSSIBLE CAUSE

REMEDY

 

 

 

 

 

 

Orange flame in burner during

1.

Not enough air

1.

Check burner(s) for dirt

burner combustion

 

 

 

and debris. If found, clean

 

 

 

 

burner(s) (see Cleaning and

 

2.

Gas regulator defective

2.

Maintenance, page 20)

 

Replace gas regulator

 

 

 

 

 

 

Slight smoke or odor during initial

1.

Residues from manufacturing

1.

Problem will stop after a few

operation

 

processes and logs curing

 

hours of operation

 

Heater produces a whistling noise

1.

Turning control knob to HI

1.

Turn control knob to LO

when burners are lit

 

position when burners are

 

position and let warm up for

 

2.

cold

2.

a minute

 

Air in gas line

Operate burners until air is

 

 

 

 

removed from line. Have gas

 

 

 

 

line checked by local natural

 

3.

Air passageways on heater

3.

or propane/LP gas company

 

Observe minimum instal-

 

 

blocked

 

lation clearances (see pages 9

 

4.

Dirty or partially clogged

4.

through 12)

 

Clean burners (see Cleaning

 

 

burner orifice(s)

 

and Maintenance, page 20)

 

 

 

 

or replace burner orifice(s)

 

 

 

 

 

 

White powder residue forming

1.

When heated, vapors from

1.

Turn heater off when using

within burner box or on adjacent

 

furniture polish, wax, carpet

 

furniture polish, wax, carpet

walls or furniture

 

cleaners, etc. turn into white

 

cleaners or similar products

 

 

powder residue

 

 

 

 

 

 

 

 

 

Moisture/condensation noticed

1.

Not enough combustion/venti-

1.

Refer to Air for Combustion

on windows

 

lation air

 

and Ventilation requirements

 

 

 

 

(page 6)

 

Heater produces a clicking/tick-

1.

Metal expanding while heating

1.

This is common with most heat-

ing noise just after burners are lit

 

or contracting while cooling

 

ers. If noise is excessive, contact

or shut off

 

 

 

qualified service person

 

 

 

 

 

 

Remotedoesnotfunction(ifusing

1.

Battery is not installed. Bat-

1.

Replace batteries in receiver

remote control)

 

tery power is low

 

and hand-held remote control

24

www.desatech.com

116412-01B

Page 23 Page 25
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Image 24
Desa VFRMV18NB, VFRMV24NB, VFRMV24PB, VFRMV18PB installation manual Operation Processes and logs curing Hours of operation
Page 23 Page 25

VFRMV18PB, VFRMV18NB, VFRMV24NB, VFRMV24PB specifications

The Desa VFRMV series is a sophisticated line of heating solutions known for its efficiency and modern design. The models in this series include the VFRMV24NB, VFRMV24PB, VFRMV18NB, and VFRMV18PB, each sharing a commitment to provide superior comfort and versatility in various living spaces.

One of the most notable features of the VFRMV series is its advanced heating technology. These units are equipped with a powerful burner system designed to maximize heat output while minimizing energy consumption. This makes the units not only environmentally friendly but also cost-effective, as users can enjoy warm indoor spaces without incurring high energy bills. The gas burners achieve a high thermal efficiency, ensuring that a significant amount of heat is delivered into the room promptly.

The VFRMV series is designed with customer convenience in mind. The models feature easy-to-read digital displays that allow users to adjust temperatures and settings effortlessly. These displays are intuitive, providing feedback on heating levels, operational status, and timer functions, enhancing the user experience. Furthermore, the inclusion of a remote control option allows homeowners to manage the heating from the comfort of their sitting area.

In terms of safety, the VFRMV series implements several key features. Each unit is equipped with an oxygen depletion sensor and a safety shut-off system. This ensures that the unit operates safely within its designated space, automatically shutting down if carbon monoxide levels rise or oxygen levels drop beyond safe limits. This commitment to safety provides peace of mind for households, making it a suitable choice for a wide range of environments.

Aesthetically, the VFRMV24NB and VFRMV24PB models feature a sleek design, with the "NB" models showcasing a bold black finish, while the "PB" variants offer a more classic propane-blue coloration. The smaller VFRMV18 series similarly combines elegance with functionality, ensuring that they can seamlessly blend into any home décor.

In summary, the Desa VFRMV24NB, VFRMV24PB, VFRMV18NB, and VFRMV18PB models exemplify modern heating solutions. With their advanced burner technology, user-friendly features, stringent safety measures, and stylish designs, they cater to contemporary requirements for effective indoor heating. Whether for residential or commercial use, the VFRMV series promises reliability and comfort all year round.
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