Desa VN25IT, VN18, VP26, VN30T, VP16, VP22IT Troubleshooting, Observed Problem Possible Cause Remedy

Page 19

TROUBLESHOOTING

19

TROUBLESHOOTING

Note: For additional help, visit DESA International’s technical service web site at www.desatech.com.

Note: All troubleshooting items are listed in order of operation.

WARNING: Turn off and un- plug heater and let cool before servicing. Only a qualified ser- vice person should service and repair heater.

CAUTION: Never use a wire, needle, or similar object to clean ODS/pilot. This can damage ODS/ pilot unit.

OBSERVED PROBLEM

POSSIBLE CAUSE

REMEDY

When ignitor button is pressed in, there is no

1.

Ignitor electrode positioned wrong

1.

Replace pilot assembly

spark at ODS/pilot

2.

Ignitor electrode broken

2.

Replace pilot assembly

 

3.

Ignitor electrode not connected to igni-

3.

Reconnect ignitor cable

 

 

tor cable

 

 

 

4.

Ignitor cable pinched or wet

4.

Free ignitor cable if pinched by any

 

 

 

 

metal or tubing. Keep ignitor cable dry

 

5.

Broken ignitor cable

5.

Replace ignitor cable

 

6.

Bad piezo ignitor

6.

Replace piezo

 

7.

Piezo ignitor nut is loose

7.

Tighten nut holding piezo ignitor. Nut

 

 

 

 

is located inside heater cabinet at top

 

 

 

 

 

When ignitor button is pressed in, there is a

1.

Gas supply turned off or equipment

1.

Turn on gas supply or open equipment

spark at ODS/Pilot but no ignition

 

shutoff valve closed

 

shutoff valve

 

2.

Control knob not fully pressed in while

2.

Turn to PILOT/IGN position. Fully press

 

 

pressing ignitor button (non-thermostat

 

in control knob while pressing ignitor

 

 

models only)

 

button (non-thermostat models only)

 

 

Thermostat control knob not fully

 

Fully press in thermostat control knob

 

 

pressed in while pressing ignitor button

 

while pressing ignitor button (thermo-

 

 

(thermostat models only)

 

stat models only)

 

3.

Air in gas lines when installed

3.

Continue holding down control knob. Re-

 

 

 

 

peat igniting operation until air is removed

 

4.

Depleted gas supply (propane/LP gas)

4.

Contact local propane/LP gas company

 

5.

ODS/pilot is clogged

5.

Clean ODS/pilot (see Cleaning and

 

 

 

 

Maintenance, page 17) or replace ODS/

 

 

 

 

pilot assembly

 

6.

Gas regulator setting is not correct

6.

Replace gas regulator

 

7.

Thermostat control knob is not in pilot

7.

Turn thermostat control knob to pilot

 

 

position (thermostat models only)

 

position

For morevisit www..com

107887-01E

Image 19
Contents VP16IT, VN18IT VP22IT, VN25IT Safety Information and Installation ManualWhat to do if YOU Smell GAS Safety Information Table of ContentsLocal Codes Safety Information Product IdentificationProduct Features UnpackingConfined and Unconfined Space AIR for Combustion and VentilationProviding Adequate Ventilation Unusually Tight ConstructionDetermining if You Have a Confined or Unconfined Space Determining FRESH-AIR Flow for Heater LocationVentilation Air From Inside Building Ventilation AIRVentilation Air From Outdoors Locating Heater InstallationInstallation Items Check GAS TypeThermostat Sensing Bulb Installing Heater to WallPlacing Heater On Mounting Bracket Attaching Mounting Bracket To WallMounting Base Feet to Heater Installing Bottom Mounting ScrewsMounting Base Feet to Floor Where required by local code Mounting Heater to FloorTypical Inlet Pipe Diameters Connecting to GAS SupplyPressure Testing Heater Gas Connections Pressure Testing Gas Supply Piping SystemChecking GAS Connections Operating Heater NON-THERMOSTAT Models For Your Safety Read Before LightingLighting Instructions To Turn OFF GAS to Appliance Manual Lighting ProcedureThermostat Models For Your Safety Read Before Lighting To Select Heating LevelVP16T VP26T VN18T VN30T Burner Patterns, Models VP16IT, VN18IT, VP26IT, & VN30IT Thermostat OperationInspecting Heater Cleaning and MaintenanceVN25IT SpecificationsObserved Problem Possible Cause Remedy TroubleshootingAfter ODS/pilot lights, keep control Observed Problem Possible Cause Cabinet Body Illustrated Parts BreakdownVN30T Description QTY Parts ListCabinet Body VP16IT, VN18IT, VP22IT, VN25IT KEY Part Number VP16IT VN18IT VP22IT VN25IT Description QTY VP16, VN18, VP16T, VN18T, VP16IT, VN18IT Burner AssemblyVP16T VN18T VP16IT VN18IT Description QTY VP26, VN30, VP26T, VN30T, VP22IT, VN25IT VP26T VN30T VP22IT VN25IT Description QTY Service Publications Accessories Replacement PartsService Hints Technical ServiceOwners Registration Form Postage Required 107887-01E Warranty Information

VN18, VP16, VN18T, VN25IT, VP22IT specifications

Desa VN18, VN30T, VP16, VP26T, and VP16T are a series of innovative devices tailored to meet diverse needs in various applications, ranging from industrial to consumer markets. Each model embodies distinct features, technologies, and characteristics that enhance performance and usability.

The Desa VN18 is renowned for its compact structure and lightweight design, making it ideal for small-scale applications. It integrates a sophisticated energy-efficient system that minimizes power consumption while maximizing output. This model supports various connectivity options, ensuring seamless integration with existing systems. Additionally, the VN18 is equipped with an intuitive user interface that simplifies operation, making it accessible even for those with limited technical experience.

In contrast, the VN30T offers enhanced capabilities suitable for medium to large-scale operations. This model boasts an impressive processing power, enabling it to handle more complex tasks with ease. The VN30T features advanced cooling technologies that keep the unit operating optimally, even under heavy workloads. Furthermore, its durable construction ensures longevity and reliability, making it a preferred choice for industrial environments.

The VP16, designed with versatility in mind, excels in adaptability across multiple applications. It offers interchangeable components, allowing users to customize setup based on specific needs. The technology embedded within the VP16 includes smart sensors that provide real-time feedback, helping users to monitor performance and adjust settings accordingly. This level of adaptability makes the VP16 an invaluable asset in dynamic working conditions.

Next in the lineup is the VP26T, which stands out for its robust performance under demanding conditions. With a focus on safety features, this model includes multiple fail-safes and redundancy systems that ensure consistent operation, even in emergencies. The VP26T is designed for heavy-duty applications, featuring enhanced materials that resist wear and tear, thereby prolonging its lifespan.

Finally, the VP16T combines the best aspects of its predecessors while introducing new technological advancements. It utilizes cutting-edge automation technologies that enable remote control and monitoring, enhancing user convenience. The VP16T's power management system optimizes energy use based on operational demands, contributing to both cost savings and sustainability.

Overall, Desa VN18, VN30T, VP16, VP26T, and VP16T represent a forward-thinking approach to design and functionality, addressing the evolving needs of users across various sectors. With their unique features and robust technologies, these models are set to redefine standards in their respective categories.