Vanguard Heating UNVENTED (VENT-FREE) PROPANE/LP GAS LOG HEATER Troubleshooting

Page 19

OWNER’S MANUAL

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 heater and let cool before servicing. Only a qualified service 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, there is no spark at ODS/pilot

1.Ignitor electrode not connected to igni- tor cable

2.Ignitor cable pinched or wet

3.Piezo ignitor nut is loose

4.Broken ignitor cable

5.Bad piezo ignitor

6.Ignitor electrode broken

7.Ignitor electrode positioned wrong

1.Reconnect ignitor cable

2.Free ignitor cable if pinched by any metal or tubing. Keep ignitor cable dry

3.Tighten nut holding piezo ignitor to base panel of log set. Nut is located behind base panel.

4.Replace ignitor cable

5.Replace piezo ignitor

6.Replace piezo ignitor

7.Replace piezo ignitor

When ignitor button is pressed, there is spark at ODS/pilot but no ignition

1.Gas supply turned off or manual shutoff valve closed

2.Control knob not in PILOT position

3.Control knob not pressed in while in PILOT position

4.Air in gas lines when installed

5.Depleted gas supply

6.ODS/pilot is clogged

7.Gas regulator setting is not correct

1.Turn on gas supply or open manual shutoff valve

2.Turn control knob to PILOT position

3.Press in control knob while in PILOT position

4.Continue holding down control knob. Repeat igniting operation until air is re- moved

5.Contact local propane gas company

6.Clean ODS/pilot (see Cleaning and Maintenance, page 18) or replace ODS/ pilot assembly

7.Replace gas control

ODS/pilot lights but flame goes out when control knob is released

1.Control knob not fully pressed in

2.Control knob not pressed in long enough

3.Manual shutoff valve not fully open

4.Pilot flame not touching thermocouple, which allows thermocouple to cool, causing pilot flame to go out. This prob- lem could be caused by one or both of the following:

A)Low gas pressure

B)Dirty or partially clogged ODS/pilot

5.Thermocouple connection loose at con- trol valve

6.Thermocouple damaged

7.Control valve damaged

1.Press in control knob fully

2.After ODS/pilot lights, keep control knob pressed in 30 seconds

3.Fully open manual shut-off valve

4.A) Contact local propane gas company

B)Clean ODS/pilot (see Cleaning and Maintenance, page 18) or replace ODS/pilot assembly

5.Hand tighten until snug, then tighten 1/4 turn more

6.Replace thermocouple

7.Replace control valve

www.desatech.com

Continued

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Contents Save this manual for future reference OWNER’S Operation and Installation ManualWhat to do if YOU Smell GAS 18, 24, 30, and 36 Remote Ready ModelVanguard FLAME-MAX Unvented PROPANE/LP GAS LOG Heater Safety InformationRemote Control Accessories Local Codes Unpacking Product FeaturesProduct Identification Confined and Unconfined Space AIR for Combustion and VentilationProviding Adequate Ventilation Unusually Tight ConstructionDetermining FRESH-AIR Flow for Heater Location AIR for Combustion VentilationDetermining if You Have a Confined or Unconfined Space Ventilation Air From Outdoors Ventilation AIRVentilation Air From Inside BuildingCheck GAS Type InstallationMinimum Fireplace Clearance to Combustible Materials LOG Sizing RequirementsIf Not Using Mantel If Using MantelMinimum Noncombustible Material Clearances Determining Minimum Mantel Clearance Determining Minimum Mantel Clearance When using a HoodMantel Clearances Floor ClearancesInstalling Heater Base Assembly Installing Damper Clamp Accessory for Vented OperationChimney Minimum Permanent Height ft Flue Opening sq. ins Attaching Flexible Gas Hose to Heater Installation Items NeededExternal regulator not supplied Connecting to GAS SupplyTest Pressures Equal To or Less Than 1/2 Psig Pressure Testing Heater Gas ConnectionsPressure Testing Gas Supply Piping System Checking GAS ConnectionsPlace lava rock around base of heater Installing LogsOperating Heater For Your Safety Read Before LightingLighting Instructions To Turn OFF GAS To Appliance Manual Lighting ProcedureOptional Remote Operation Burner Primary AIR Holes OperatingInspecting Burners Pilot Flame PatternCleaning Burner Injector Holder and Pilot AIR Inlet Hole Cleaning and MaintenanceLogs Observed Problem Possible Cause TroubleshootingObserved Problem Possible Cause Remedy Top Gas leak. See Warning statement atIllustrated Parts Breakdown VYD18PRA, VYD24PRA VYD30PRA, and VYD36PR Parts ListService Hints Wiring DiagramSpecifications Replacement PartsAccessories International Warranty Information

UNVENTED (VENT-FREE) PROPANE/LP GAS LOG HEATER specifications

The Vanguard Heating Unvented (Vent-Free) Propane/LP Gas Log Heater is a remarkable home heating solution that combines efficiency, convenience, and aesthetic appeal. Designed to deliver warmth without the need for traditional venting, this heater stands out for its innovative technology and user-friendly features.

One of the main attractions of the Vanguard unvented gas log heater is its ability to provide consistent heat while conserving energy. The unit operates using propane or LP gas, making it an excellent option for homes without access to natural gas. With a high heat output, it efficiently warms spaces while potentially reducing heating costs compared to conventional systems.

The design of the Vanguard heater incorporates advanced catalyst technology, which ensures that combustion is clean and efficient. This technology minimizes emissions, making it an environmentally friendly choice for homeowners concerned about their carbon footprint. Furthermore, the heater is equipped with an oxygen depletion sensor (ODS) that automatically shuts off the gas supply if oxygen levels fall below safe thresholds, ensuring peace of mind for users.

Aesthetically, the Vanguard model features realistic log designs that replicate the appearance of a traditional wood-burning fireplace. This adds warmth and charm to any living space. The adjustable flame height allows users to customize their heating experience to suit their needs or mood. The controls are designed for ease of use, allowing for simple operation whether the heater is used for primary warmth or supplemental heat.

Safety is a key characteristic of the Vanguard unvented gas log heater. Besides the ODS mentioned earlier, the heater is built with durable materials that ensure longevity and reliability. It can be installed in various locations, including bedrooms and living rooms, as long as the manufacturer's guidelines are followed.

Installation of the Vanguard heater is relatively straightforward, requiring minimal modifications to existing spaces. This flexibility makes it appealing for both new constructions and retrofits. Additionally, the absence of venting means that installation costs are often lower than with vented units.

In summary, the Vanguard Heating Unvented Propane/LP Gas Log Heater combines advanced technology, stylish design, and crucial safety features, making it a viable choice for those seeking efficient indoor heating solutions. Its ease of installation and operation further enhances its attractiveness to modern homeowners. Whether for cozy family gatherings or quiet evenings at home, this heater is an excellent investment in comfort and warmth.
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