Desa VN3000C, VN1800IT, VN1800C, VN2550IT installation manual Observed Possible Remedy Problem Cause

Page 27

TROUBLE-

 

OBSERVED

POSSIBLE

REMEDY

 

 

 

 

 

 

 

 

PROBLEM

CAUSE

 

 

 

SHOOTING

 

 

 

 

 

 

 

 

 

 

 

 

 

 

When control knob is

1.

Gas supply turned off or

1.

Turn on gas supply or

 

 

 

Continued

 

pressed in and turned

 

manual shutoff valve

 

open manual shutoff

 

 

 

 

to the PILOT/IGN

 

closed.

 

valve.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

position, there is spark

2.

Control knob not fully

2.

Fully

press in control

 

 

 

at ODS/pilot but no

 

pressed in while being

 

knob while turning to PI-

 

 

 

ignition (non-thermo-

 

turned to PILOT/IGN

 

LOT/IGN position (non-

 

 

 

stat model only).

 

position (non-thermostat

 

thermostat models only).

 

 

 

 

 

models only).

 

Fully press in thermostat

 

 

 

When ignitor button is

 

Thermostat control knob

 

control knob while press-

 

 

 

pressed in, there is a

 

not fully pressed in while

 

ing ignitor button (ther-

 

 

 

spark at ODS/pilot but

 

pressing ignitor button

 

mostat models only).

 

 

 

 

 

no ignition (thermo-

 

(thermostat models only).

 

 

 

 

 

 

 

 

 

stat models only).

3.

Air in gas lines when

3.

Continue holding down

 

 

 

 

 

 

 

installed.

 

control knob. Repeat

 

 

 

 

 

 

 

 

 

igniting operation until

 

 

 

 

 

 

 

 

 

air is removed.

 

 

 

 

 

 

4.

ODS/pilot is clogged.

4.

Clean ODS/pilot (see

 

 

 

 

 

 

 

 

 

Cleaning and Mainte-

 

 

 

 

 

 

 

 

 

nance, page 26) or

 

 

 

 

 

 

 

 

 

replace ODS/pilot

 

 

 

 

 

 

 

 

 

assembly.

 

 

 

 

 

 

5.

Gas regulator setting is

5.

Replace gas regulator.

 

 

 

 

 

 

 

not correct.

 

 

 

 

 

 

 

 

 

 

6.

Thermostat control knob

6.

Turn thermostat control

 

 

 

 

 

not in pilot position

 

knob to pilot position.

 

 

 

 

 

 

 

(thermostat models only).

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

ODS/pilot lights but

1.

Control knob not fully

1.

Press in control knob

 

 

 

 

 

flame goes out when

 

pressed in.

 

fully.

 

 

 

 

 

 

 

control knob is

2.

Control knob not pressed

2.

After ODS/pilot lights,

 

 

 

 

 

released

 

in long enough.

 

keep control knob

 

 

 

 

 

 

 

 

 

pressed in 30 seconds.

 

 

 

 

 

 

3.

Manual shutoff valve not

3.

Fully open manual shut-

 

 

 

 

 

fully open.

 

off valve.

 

 

 

 

 

 

4.

Thermocouple connection

4.

Hand tighten until snug,

 

 

 

 

 

loose at control valve.

 

then tighten 1/4 turn

 

 

 

 

 

 

 

 

 

more.

 

 

 

 

 

 

 

 

5.

Pilot flame not touching

5.

A) Contact local natural

 

 

 

 

 

thermocouple, which

 

gas company.

 

 

 

 

 

 

 

allows thermocouple to

 

 

 

 

 

 

 

 

 

 

 

cool, causing pilot flame

B) Clean ODS/pilot (see

 

 

 

 

 

 

 

to go out. This problem

 

Cleaning and Mainte-

 

 

 

 

 

 

 

could be caused by one or

 

nance, page 26) or

 

 

 

 

 

 

 

both of the following:

 

replace ODS/pilot

 

 

 

 

 

 

 

A) Low gas pressure

 

assembly.

 

 

 

 

 

 

 

B) Dirty or partially

 

 

 

 

 

 

 

 

 

 

 

clogged ODS/pilot

 

 

 

 

 

 

 

 

 

 

6.

Thermocouple damaged.

6.

Replace thermocouple.

 

 

 

 

 

 

7.

Control valve damaged.

7.

Replace control valve.

 

 

 

 

 

 

8.

Safety interlock system

8.

Wait

one minute for

 

 

 

 

 

has been triggered

 

safety

interlock system

 

 

 

 

 

(thermostat models only).

 

to reset. Repeat ignition

 

 

 

 

 

 

 

operation.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Continued

 

27

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

100750

Image 27
Contents What to do if YOU Smell GAS OWNER’S Operation and Installation ManualContents Safety Information Combustion and Ventilation, pages 5 through Thermostatic Heat Control Local Codes Unpacking Product FeaturesSafety Device Piezo Ignition SystemProducing Adequate Ventilation Fresh AIR ForCombustion VentilationFresh AIR for Combustion and Ventilation Determining FRESH-AIR Flow for Heater LocationDetermining if You Have a Confined or Unconfined Space Ventilation Air From Inside Building Ventilation AIRVentilation Air From Outdoors Ventilation AIRLocating Heater Installing To WallInstallation Items Check GAS TypeAttaching Thermostat Sensing Bulb Thermostat Sensing BulbModels VN1800IT and VN2550IT Only Locating Thermostat Sensing BulbMethods For Attaching Mounting Bracket To Wall Installing Heater to WallMounting Bracket Removing Front Panel Of HeaterAttaching Mounting Bracket To Wall Marking Screw LocationsPlacing Heater On Mounting Bracket Installing Bottom Mounting ScrewsConnecting to GAS Supply Servicing. Correct all leaks at once Pressure Testing GAS Supply Piping SystemChecking GAS ConnectionsChecking GAS Connections Pressure Testing Heater GAS ConnectionsOperating Heater Lighting Instructions Operating HeaterTo Select Heating Level HeaterShutting Off Burner Only pilot stays lit Shutting Off HeaterIf you do not follow these instructions exactly, a fire or OperatingModels VN1800C and VN3000C LOW MED High Pilot Flame Pattern Inspecting BurnerShows a correct burner flame pattern. shows an incorrect Burner Flame PatternAir Passageways Cleaning and Maintenance Trouble ShootingODS/PILOT and Burner Orifice CabinetObserved Possible Remedy Problem Cause See Cleaning Trouble ShootingIng statement at If you smell gasShut off gas supply Do not try to light any applianceVN1800C VN3000C Technical ServiceService Publications Hints VN1800IT VN2550ITAccessories Replacement PartsModel VN1800IT Illustrated Parts BreakdownParts List Model VN2550IT Model VN2550IT Model VN1800C Parts List Model VN3000C Parts List Keep this Warranty Warranty Information

VN1800C, VN3000C, VN1800IT, VN2550IT specifications

Desa's VN series includes a range of advanced acoustic instruments designed for professional musicians and enthusiasts alike. The VN1800C, VN1800IT, VN3000C, and VN2550IT models each boast unique features and characteristics that cater to various playing styles and performance needs.

The VN1800C is a classical guitar that emphasizes warmth and resonance. This model is crafted from high-quality materials, including a solid cedar top that delivers rich sound and a delightful playability experience. The back and sides are constructed from mahogany, contributing to its tonal richness and sturdy build. The VN1800C also features a traditional Spanish neck profile, which facilitates comfortable finger placement, especially for intricate fingerstyle playing.

Moving on to the VN1800IT, this instrument is tailored for those who appreciate innovative design in combination with traditional craftsmanship. It features an integrated pickup system that allows for amplification without compromising the authentic acoustic sound. The VN1800IT is designed with an elegant cutaway, providing easier access to higher frets, making it an excellent choice for advanced players looking for versatility in their performance.

The VN3000C is a larger-bodied guitar that provides an expansive sound with impressive projection. This model is famous for its powerful bass response, making it ideal for solo performances and ensemble playing. Its solid spruce top enhances volume while the rosewood back and sides give it a bright, crisp tone. The VN3000C is also equipped with advanced bracing patterns that improve resonance and sustain, ensuring that every note rings out clearly.

Finally, the VN2550IT combines the features of an acoustic guitar with modern innovation. This model offers an adjustable truss rod for optimal neck stability, which is vital for maintaining playability under different environmental conditions. Like the VN1800IT, the VN2550IT also includes a high-quality pickup system, making it perfect for live performances. Its stylish design and quality craftsmanship ensure that it stands out visually as well as acoustically.

Overall, the Desa VN series offers a variety of choices to suit different musical tastes and performance requirements. Each model blends traditional acoustic qualities with modern technologies, making them must-have instruments for players at all levels.