Desa CTR22PR ODS/pilot lights but flame, Press in pilot knob fully, Goes out when control knob is

Page 18

TROUBLESHOOTING

Continued

OBSERVED PROBLEM

POSSIBLE CAUSE

REMEDY

 

 

 

 

ODS/pilot lights but flame

1. Pilot knob not fully pressed in

1.

Press in pilot knob fully

goes out when control knob is

2. Pilot knob not pressed in long

2. After ODS/pilot lights, keep pi-

released

 

enough

 

lot knob pressed in 30 seconds

 

3.

Equipment shutoff valve not

3.

Fully open equipment shutoff

 

 

fully open

 

valve

 

4.

Thermocouple connection

4.

Hand tighten until snug, then

 

 

loose at control valve

 

tighten 1/4 turn more

 

5.

Pilot flame not touching ther-

5.

A) Contact local natural or

 

 

mocouple, which allows ther-

 

propane/LP gas company

 

 

mocouple to cool, causing

 

B) Clean ODS/pilot (see

 

 

pilot flame to go out. This

 

Cleaning and Maintenance,

 

 

problem could be caused by

 

page 16) or replace ODS/pilot

 

 

one or both of the following:

 

assembly

 

 

A) Low gas pressure

 

 

 

 

B) Dirty or partially clogged

 

 

 

 

ODS/pilot

 

 

 

6.

Thermocouple damaged

6.

Replace pilot assembly

 

7.

Valve damaged

7.

Replace valve

 

 

 

 

Burner(s) does not light after

1. Burner orifice(s) is clogged

1.

Clean burner orifice(s) (see

ODS/pilot is lit

 

 

 

Cleaning and Maintenance, page

 

 

 

 

16) or replace burner orifice(s)

 

2.

Inlet gas pressure is too low

2.

Contact local natural or pro-

 

 

 

 

pane/LP gas company

 

 

 

 

Delayed ignition of burner(s)

1. Manifold pressure is too low

1.

Contact local natural or pro-

 

 

 

 

pane/LP gas company

 

2.

Burner orifice(s) is clogged

2.

Clean burner orifice(s) (see

 

 

 

 

Cleaning and Maintenance, page

 

 

 

 

16) or replace burner orifice(s)

 

 

 

 

Burner backfiring during com-

1. Burner orifice(s) is clogged or

1.

Clean burner orifice(s) (see

bustion

 

damaged

 

Cleaning and Maintenance, page

 

2.

Burner damaged

 

16) or replace burner orifice(s)

 

2.

Replace burner

 

3.

Gas regulator defective

3.

Replace gas regulator

 

 

 

 

Burner plaque(s) does not glow

1. Plaque damaged

1.

Replace burner

 

2.

Inlet gas pressure is too low

2.

Contact local natural or pro-

 

 

 

 

pane/LP gas company

 

 

 

 

Slight smoke or odor during

1. Residues from manufacturing

1.

Problem will stop after a few

initial operation

 

processes

 

hours of operation

 

 

 

 

Heater produces a clicking/tick-

1. Metal expanding while heating

1.

This is common with most heat-

ing noise just after burner is lit

 

or contracting while cooling

 

ers. If noise is excessive, contact

or shut off

 

 

 

qualified service person

18

www.desatech.com

113261-01A

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Page 17 Page 19
Contents What to do if YOU Smell GAS Table of Contents Safety Information Product Identification Product FeaturesLocal Codes UnpackingAIR for Combustion Ventilation Providing Adequate VentilationDetermining FRESH-AIR Flow for Heater Location Ventilation AIR Ventilation Air From Inside BuildingCheck GAS Type InstallationInstallation Items Locating HeaterInstalling Remote Control Receiver Receiver AA Batteries Battery CoverReceiver Wire Bushing Connector Bracket Installing Batteries Into Remote Replacing Battery in IgnitorMounting Heater Base to Floor Where required by local codes Connecting to GAS Supply Propane/LP External Supply Tank Regulator Vent Pointing DownChecking GAS Connections Make sure control knob of heater is in the OFF position Pressure Testing Heater GAS ConnectionsTest Pressures Equal To or Less Than 1/2 Psig 3.5 kPa ClosedLighting Instructions For Your Safety Read Before LightingOperating Heater Electronic Ignitor Auxiliary Pilot Knob ButtonTo Turn OFF GAS To Appliance Manual Lighting ProcedureHAND-HELD Remote Control Operation Thermostat OperationPilot Flame Pattern Changing Set TemperatureInspecting Heater Burner Flame PatternCleaning Maintenance Service HintsTechnical Service Troubleshooting Observed Problem Possible Cause RemedyAssembly Goes out when control knob isProblem could be caused by Delayed ignition of burners Manifold pressure is too lowGas leak. See Warning Illustrated Parts Breakdown Models CTR25NR, VTN25R, CTR22PR and VTP22RParts List Specifications AccessoriesService Publications Replacement Parts Parts Central FBDPatent Pending QUÉ Hacer SI Percibe Olor a GAS Modelos CTR25NR, CTR22PR, VTN25R Y VTP22RTabla DE Contenido Información DE SeguridadContinuación Desempaque Códigos LocalesIdentificación DEL Producto Características DEL ProductoConstrucción inusualmente sellada Aire Para Combustión VentilaciónCómo Procurar LA Ventilación Adecuada Espacio confinado o no confinadoAire Para Ventilación Aire del interior de la construcción para ventilaciónArtículos DE Instalación InstalaciónVerifique EL Tipo DE GAS Ubicación DEL CalentadorCubierta de la batería Instalación DEL Receptor DE Control RemotoReceptor Baterías AA Soporte del Conector Buje Del alambre ReceptorReemplazo DE LA Batería DEL Encendedor Instalación DE LAS Baterías EN EL Control RemotoConexión AL Suministro DE GAS PRECAUCIÓNEnelcasodepro- pano o gas LP, nunca conecte el caRevisión DE LAS Conexiones DE GAS Distribuidor. Consulte Accesorios, páginaRepare todas las fugas inmediatamente Vuelva a colocar el panel anterior Cierre la válvula de cierre del equipo consulte la figuraAbra la válvula de cierre del equipo consulte la figura Válvula deInstrucciones DE Encendido Funcionamiento DEL CalentadorPara SU SEGURIDAD, LEA Esto Antes DE Encenderlo Botón de encendido Perilla Auxiliar Del Piloto ElectrónicoFuncionamiento DEL Control Remoto Portátil Funcionamiento DEL TermostatoProcedimiento DE Encendido Manual Función ManualPatrón DE LA Llama DEL Piloto Inspección DEL CalentadorFunción DEL Termostato Patrón DE LA Llama DELLimpieza Y Mantenimiento Servicio TécnicoSolución DE Problemas Problema Observado Causa Posible RemedioProblema Observado Causa Posible RemedioImportante anterior Clasificación Ilustrada DE Piezas Modelos CTR25NR, VTN25R, CTR22PR Y VTP22RLista DE Piezas Publicaciones Para Servicio EspecificacionesAccesorios Válvula DE Cierre DEL Equipo GA5010Piezas Bajo Garantía Piezas DE RepuestoCentral DE Piezas Piezas SIN GarantíaPatente en trámite 113261-01 Rev. a 07/04

CTR25NR, CTR22PR, VTN25R, VTP22R specifications

Desa VTN25R, VTP22R, CTR22PR, and CTR25NR are renowned models in the landscape of power generation and energy efficiency solutions. These products cater to varying needs, providing reliable performance for both residential and commercial applications.

The Desa VTN25R is distinguished by its robust design and high fuel efficiency, making it an ideal choice for users looking to balance power output with energy conservation. This model features a state-of-the-art EcoThrottle technology, which adjusts engine speed according to load, significantly reducing fuel consumption and noise levels. With a maximum output of 2500 watts, the VTN25R ensures that users can power a variety of appliances and equipment without concern for overloading.

Next in line, the Desa VTP22R model stands out for its versatility and compact form factor. Weighing in at just 45 pounds, this generator is incredibly portable, making it an excellent choice for outdoor enthusiasts and those needing backup power in emergency situations. It also incorporates a user-friendly digital display, allowing users to monitor fuel levels, output wattage, and engine performance at a glance. Its quiet operation and low emissions are additional highlights that make the VTP22R an environmentally conscious option.

Turning to the CTR22PR, this generator is designed with advanced inverter technology, supplying clean and stable power suitable for sensitive electronics. Its dual fuel capability allows it to run on both gasoline and propane, offering flexibility and convenience for users in diverse situations. The ergonomic handle and lightweight design facilitate easy transport, while the safety features, including overload protection and automatic shutoff, ensure peace of mind during operation.

Lastly, the CTR25NR model boasts higher wattage capacity coupled with enhanced durability. This unit features heavy-duty components, ensuring it can withstand rigorous usage over time. With features like an LED indicators panel and advanced cooling systems, the CTR25NR promises extended run times and operational efficiency. Users appreciate its ease of maintenance and serviceability, which translate into a longer lifespan.

In summary, the Desa VTN25R, VTP22R, CTR22PR, and CTR25NR generators offer a range of features and technologies tailored to meet the needs of different users. Whether it’s fuel efficiency, portability, clean power supply, or heavy-duty performance, these models demonstrate a commitment to reliability and innovation in the power generation market.
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