Desa VVMR24, VVMR18 installation manual Clean pilot see Cleaning and Mainte

Page 14

®

VENTED NATURAL GAS LOGS

TROUBLESHOOTING

Continued

OBSERVED PROBLEM

POSSIBLE CAUSE

REMEDY

When ignitor button is pressed, there is no

1.

Ignitor electrode not connected to igni-

1.

Reconnect ignitor cable

spark at pilot (GA9000 Only)

 

tor cable

 

 

 

2.

Ignitor cable pinched or wet

2.

Free ignitor cable if pinched by any

 

 

 

 

metal or tubing. Keep ignitor cable dry

 

3.

Bad ground on piezo ignitor

3.

Scrape away paint on bracket for better

 

 

 

 

contact with ground on piezo ignitor

 

4.

Broken ignitor cable

4.

Replace ignitor cable

 

5.

Bad piezo ignitor

5.

Replace piezo ignitor

 

6.

Ignitor electrode broken

6.

Replace electrode

 

7.

Ignitor electrode positioned wrong

7.

Reposition electrode

 

 

 

 

 

When ignitor button is pressed, there is

1.

Gas supply turned off or equipment

1.

Turn on gas supply or open equipment

spark at pilot but no ignition (GA9000 Only)

 

shutoff valve closed

 

shutoff valve

 

2.

Control knob not in PILOT position

2.

Turn control knob to PILOT position

 

3.

Control knob not pressed in while in

3.

Press in control knob while in PILOT

 

 

PILOT position

 

position

 

4.

Air in gas lines when installed

4.

Continue holding down control knob.

 

 

 

 

Repeat igniting operation until air is re-

 

 

 

 

moved

 

5.

Pilot adjustment screw closed

5.

Adjust pilot flame for approximately

 

 

 

 

2" blue flame

 

6.

Pilot is clogged

6.

Clean pilot (see Cleaning and Mainte-

 

 

 

 

nance, page 13) or replace pilot assembly

 

7.

Low gas pressure

7.

Replace gas control

 

 

 

 

 

Pilot lights but flame goes out when control

1.

Control knob not fully pressed in

1.

Press in control knob fully

knob is released (GA9000 Only)

2.

Control knob not pressed in long enough

2.

After pilot lights, keep control knob

 

 

 

 

pressed in 30 seconds

 

3.

Equipment shutoff valve not fully open

3.

Fully open equipment shutoff valve

 

4.

Pilot flame not touching thermocouple,

4.

A) Contact local natural gas company

 

 

which allows thermocouple to cool,

 

 

 

 

causing pilot flame to go out. This prob-

 

B) Clean pilot (see Cleaning and

 

 

lem could be caused by one or both of

 

Maintenance, page 13) or replace pilot

 

 

the following:

 

assembly

 

 

A) Low gas pressure

 

 

 

 

B) Dirty or partially clogged pilot

 

 

 

5.

Thermocouple connection loose at con-

5.

Hand tighten until snug, then tighten

 

 

trol valve

 

1/4 turn more

 

6.

Thermocouple damaged

6.

Replace thermocouple

 

7.

Control valve damaged

7.

Replace control valve

 

 

 

 

 

Burner does not light after pilot is lit

1.

Burner orifice clogged

1.

Clean burner orifice

(GA9000 Only)

2.

Inlet gas pressure is too low

2.

Contact local natural or propane/LP gas

 

 

 

 

company

 

3.

Burner orifice diameter is too small

3.

Replace burner orifice

 

4.

Thermocouple leads disconnected or im-

4.

Reconnect leads

 

 

properly connected

 

 

 

 

 

 

 

Delayed ignition burner (GA9000 Only)

1.

Pilot flame needs adjusting

1.

Adjust pilot flame for approximately

 

 

 

 

2" blue flame

 

2.

Wrong pilot orifice

2.

Replace pilot orifice set

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Contents For Use with Log Sets OWNER’S Operation and Installation ManualWhat to do if YOU Smell GAS Safety Information Vented Natural GAS LogsRemote Control Ready Millivolt Safety VALVE/ Pilot KIT Local Codes Unpacking Optional Product FeaturesON/OFF Safety VALVE/ Pilot KIT and PROPANE/LP Conversion Remote Control AccessoriesUnusually Tight Construction AIR for Combustion and VentilationProviding Adequate Ventilation Confined and Unconfined SpaceDetermining if You Have a Confined or Unconfined Space AIR for Combustion VentilationDetermining FRESH-AIR Flow for Appliance Location Building Ventilation AIRVentilation Air From Inside Ventilation Air From OutdoorsVenting Specifications for Installation InstallationFlue Opening Specifications Check GAS TypePressure Testing Gas Supply Piping System Installing Damper ClampConnecting to GAS Supply Installation Items NeededKit Assembly Hearth KIT Assembly and InstallationOptional GA9000 ON/OFF Safety VALVE/PILOT KIT Assembly Installation and Gas ConnectionPropane/LP Gas Conversion Gas Control Valve with Ther- mocouple and PilotAdding PAN Material Testing Burner for LeaksInstalling the Grate and Logs Operating Appliance To Turn OFF GAS To Appliance Cleaning and MaintenanceTroubleshooting Shutting Off Burner Only pilot stays litClean pilot see Cleaning and Mainte Gas leak. See Warning statement at Illustrated Parts Breakdown VVMR18 VVMR24Parts List KEY Part Number for VVMR18 VVMR24 Description QTYLOG SET Models VMLR18, and VMLR24 KEY Part Number for VMLR18 VMLR24 Description QTYReplacement Parts AccessoriesWarranty Information International

VVMR18, VVMR24 specifications

Desa VVMR18 and VVMR24 are advanced solutions designed to enhance the efficiency of commercial and industrial heating systems. These models represent a significant leap in technology within the realm of industrial heaters, emphasizing energy efficiency, reliability, and user-friendly operation.

One of the main features of both the VVMR18 and VVMR24 models is their highly efficient heat exchange technology. The design incorporates a compact heat exchanger that maximizes thermal efficiency while minimizing energy waste. This means that users can not only save on operational costs but also reduce their carbon footprint, aligning with global sustainability goals.

The VVMR series utilizes advanced control systems that allow for precise temperature regulation and monitoring. These control systems are equipped with intelligent algorithms that adapt to varying load demands and external conditions, ensuring optimal performance at all times. This feature is particularly beneficial in environments where temperature fluctuations are common, providing stable heating without the need for constant manual adjustment.

In terms of construction, both models boast robust builds, designed to withstand the rigors of industrial use. The use of high-quality materials enhances durability and longevity, reducing maintenance requirements and extending the lifespan of the units. Additionally, their modular design facilitates easy installation and servicing, which is critical in industrial settings where downtime can be costly.

Safety is another critical characteristic of the VVMR18 and VVMR24 models. They come equipped with multiple safety features, including over-temperature protection and pressure relief systems, ensuring reliable operation without compromising on safety. These features are essential in industrial environments where safety regulations are paramount.

In conclusion, the Desa VVMR18 and VVMR24 offer a blend of efficiency, advanced technology, and robust design. Their intelligent control systems, efficient heat exchange technology, and focus on safety make them ideal choices for businesses seeking reliable heating solutions. Investing in these models not only supports operational efficiency but also promotes a commitment to environmental responsibility, making them a wise choice for modern industrial applications.