OWNER’S MANUAL

TROUBLESHOOTING

Continued

 

OBSERVED PROBLEM

POSSIBLE CAUSE

REMEDY

 

 

 

Burner does not light after ODS/pilot is lit

1.

Burner orifice clogged

1.

Clean burner (see Cleaning and Mainte-

 

 

 

 

 

 

 

nance, page 25) or replace burner orifice

 

 

 

 

2.

Inlet gas pressure is too low

2.

Contact local natural gas company

 

 

 

 

3.

Burner orifice diameter is too small

3.

Replace burner orifice

 

 

 

 

4.

Thermopile leads disconnected or im-

4.

Reconnect leads (see Wiring Diagram,

 

 

 

 

 

properly connected

 

page 25)

 

 

 

 

5.

Burners will not come on in remote

5.

Replace battery in transmitter and

 

 

 

 

 

position

 

receiver

 

 

 

 

 

 

 

 

 

 

Delayed ignition burner

1.

Manifold pressure is too low

1.

Contact local natural gas company

 

 

 

 

2.

Burner orifice clogged

2.

Clean burner (see Cleaning and Mainte-

 

 

 

 

 

 

 

nance, page 25) or replace burner orifice

 

 

 

 

 

 

 

 

 

 

Burner backfiring during combustion

1.

Burner orifice is clogged or damaged

1.

Clean burner (see Cleaning and Mainte-

 

 

 

 

 

 

 

nance, page 25) or replace burner orifice

 

 

 

 

2.

Damaged burner

2.

Replace damaged burner

 

 

 

 

3.

Gas regulator defective

3.

Replace gas control

 

 

 

 

 

 

 

 

 

 

Slight smoke or odor during initial operation

1.

Not enough air

1.

Check burner for dirt and debris. If

 

 

 

 

 

 

 

found, clean burner (see Cleaning and

 

 

 

 

 

 

 

Maintenance, page 25)

 

 

 

 

2.

Gas regulator defective

2.

Replace gas control

 

 

 

 

3.

Residues from manufacturing processes

3.

Problem will stop after a few hours of

 

 

 

 

 

and logs curing

 

operation

 

 

 

 

 

 

 

 

 

Moisture/condensation noticed on windows

1.

Not enough combustion/ventilation air

1.

Refer to Air for Combustion and Venti-

 

 

 

 

 

 

 

lation requirements (page 5)

 

 

 

 

 

 

 

 

 

 

Heater produces a whistling noise when

1.

Turning control knob to HI position

1.

Turn control knob to LO position and

 

 

burner is lit

 

when burner is cold

 

let warm up for a minute

 

 

 

 

2.

Air in gas line

2.

Operate burner until air is removed from

 

 

 

 

 

 

 

line. Have gas line checked by local

 

 

 

 

 

 

 

natural gas company

 

 

 

 

3.

Air passageways on heater blocked

3.

Observe minimum installation clear-

 

 

 

 

 

 

 

ances (see pages 8 through 10)

 

 

 

 

4.

Dirty or partially clogged burner orifice

4.

Clean burner (see Cleaning and Mainte-

 

 

 

 

 

 

 

nance, page 25) or replace burner orifice

 

White powder residue forming within burner box or on adjacent walls or furniture

1.When heated, vapors from furniture pol- ish, wax, carpet cleaners, etc. turn into white powder residue

1.Turn heater off when using furniture polish, wax, carpet cleaners, or similar products

Remote does not function

1. Battery is not installed. Battery power

 

is low

1.Replace 9-volt batteries in receiver and remote control

www.desatech.com

Continued

104325

23

Page 22 Page 24
Page 23
Image 23
Vanguard Heating VMH26NR installation manual Observed Problem Possible Cause Remedy
Page 22 Page 24

VMH26NR specifications

The Vanguard Heating VMH26NR is an innovative heating solution designed to provide efficient warmth while prioritizing energy savings and user comfort. With its sleek design and advanced technologies, the VMH26NR stands out in the crowded market of heating appliances.

One of the main features of the VMH26NR is its powerful heating capability. Equipped with a robust heating element, it can produce a significant amount of warmth quickly, making it ideal for medium to large spaces. Whether you are heating a living room, office, or workshop, the VMH26NR ensures that you stay comfortable during the colder months.

Efficiency is another hallmark of this model. The VMH26NR employs cutting-edge energy-saving technologies that optimize power consumption. This not only reduces energy bills but also lessens the environmental impact associated with conventional heating methods. Users can enjoy a warm atmosphere while being conscious of their carbon footprint.

The VMH26NR also features a user-friendly digital thermostat, which allows for precise temperature control. Users can easily adjust the settings to their comfort level, ensuring that the space remains at an ideal temperature without unnecessary energy expenditure. The digital display provides clear readings, making it easy to monitor performance and settings.

For added convenience, the unit comes with a programmable timer, allowing users to schedule the heating periods according to their routines. This feature is particularly beneficial for those who want the heater to operate only when needed, further enhancing energy efficiency and user convenience.

Safety is a top priority in the design of the VMH26NR. It is equipped with several safety features, including overheat protection and a tip-over switch, which automatically shuts off the unit in case of accidents. This ensures peace of mind, especially in households with pets or young children.

The Vanguard Heating VMH26NR also boasts a compact, portable design that makes it easy to move from room to room. Its lightweight construction and built-in handles provide added portability, allowing users to enjoy warmth wherever it is needed most.

In conclusion, the Vanguard Heating VMH26NR is a powerful, efficient, and user-friendly heating solution. Its advanced features, safety mechanisms, and adaptability make it an excellent choice for anyone looking to enhance their comfort during the chilly seasons. Whether you are a homeowner or a business owner, the VMH26NR promises to deliver reliable performance and satisfaction.
Top Page Image Contents