Vanguard Heating VN6B, VN12A Trouble Shooting, Observed Possible Problem Cause Remedy

Page 21

TROUBLE-

SHOOTING

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

WARNING

WARNING ICON

G 001

Turn off heater and let cool before servicing. Only a qualified service person should service and repair heater.

CAUTION

WARNING ICON

G 001

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

OBSERVED

POSSIBLE

 

 

PROBLEM

CAUSE

REMEDY

 

 

 

 

 

When ignitor button

1.

Ignitor electrode posi-

1.

Replace ignitor

is pressed and control

 

tioned wrong

 

 

knob is pressed in

2.

Ignitor electrode broken

2.

Replace ignitor

and turned to the

3.

Ignitor electrode not

3.

Reconnect ignitor cable

PILOT position,

 

connected to ignitor

 

 

there is no spark at

 

cable

 

 

ODS/pilot

4.

Ignitor cable pinched or

4.

Free ignitor cable if

 

 

wet

 

pinched by any metal or

 

 

 

 

tubing. Keep ignitor

 

 

 

 

cable dry

 

5.

Piezo ignitor nut is loose

5.

Tighten nut holding

 

 

 

 

piezo ignitor to heater

 

 

 

 

cabinet. Nut is located

 

 

 

 

inside heater cabinet at

 

 

 

 

top.

 

6.

Broken ignitor cable

6.

Replace ignitor cable

 

7.

Bad piezo ignitor

7.

Replace control valve

 

 

 

 

(piezo is part of control

 

 

 

 

valve)

 

 

 

 

 

When ignitor button is pressed and control knob is pressed in and turned to the PILOT position, 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.ODS/pilot is clogged

6.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 removed

5.Clean ODS/pilot (see Cleaning and Mainte- nance, page 20) or replace ODS/pilot assembly

6.Replace gas regulator

Continued

21

 

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Contents What to do if YOU Smell GAS OWNER’S Operation and Installation ManualContents Safety Information Safety Information Safety Device Local Codes Unpacking Product FeaturesProduct Identification Piezo Ignition SystemProducing Adequate Ventilation Fresh AIR for Combustion and VentilationUnusually Tight Construction Unconfined SpaceDetermining if You Have a Confined or Unconfined Space Determining FRESH-AIR Flow for Heater LocationVentilation Air From Inside Building Ventilation AIRVentilation Air From Outdoors Ventilation AIRInstallation Items Check GAS TypeLocating Heater Marking Screw Locations Installing Heater to WallFolding Anchor Installing Two Mounting ScrewsPlacing Heater On Mounting Screws Connecting to GAS Supply Pressure Testing GAS Supply Piping System Connecting to GAS Supply Checking GAS ConnectionsManual Shutoff Valve Pressure Testing Heater GAS ConnectionsFor Your Safety Read Before Lighting Operating HeaterLighting Instructions Pilot Burner Patterns To Select Heating LevelOperating Heater Inspecting Burner Manual Lighting ProcedureTo Turn OFF GAS to Appliance Pilot Flame PatternBurner Flame Pattern Inspecting Burner Cleaning and MaintenanceODS/PILOT and Burner Orifice CabinetObserved Possible Problem Cause Remedy Trouble ShootingTROUBLE- Shooting Maintenance,Locate and correct all leaks see Checking Gas Connections, Technical Service Ing statement atTop Parts Under Warranty Parts Not Under WarrantyValve GA5010 Parts List Illustrated Parts BreakdownVN6B KEY Part Number Description QTY. no VN12AKeep this Warranty Warranty Information

VN6B, VN12A specifications

The Vanguard Heating VN6B and VN12A represent cutting-edge solutions in residential heating technology. Designed to meet a variety of heating needs, these systems combine efficiency and user-friendly features, catering to an increasingly eco-conscious market.

The VN6B model is ideal for smaller homes or spaces, boasting a compact design without sacrificing power. It uses advanced condensing technology, which allows it to achieve impressive efficiency ratings. With an Annual Fuel Utilization Efficiency (AFUE) of up to 96%, the VN6B maximizes heat output while minimizing fuel consumption. This leads to significant cost savings on heating bills, making it an attractive choice for homeowners looking to upgrade their heating systems.

Meanwhile, the VN12A is built for larger areas, providing robust heating solutions for bigger residential spaces. With similar condensing technology, it features an AFUE rating that matches its smaller counterpart, ensuring that it also operates with remarkable efficiency. The VN12A is engineered with a modulating burner, which adjusts the flame size according to the building’s heating needs. This means it can operate quietly and smoothly, offering comfort without the jarring temperature fluctuations that other systems may create.

Both models incorporate innovative safety features, including a built-in flue gas condensation sensor that ensures safe operation under varied conditions. Additionally, they include a user-friendly digital thermostat, which enables precise temperature control and can be programmed for optimal efficiency. Homeowners can easily customize their heating schedule, making it convenient to maintain a comfortable living environment while also conserving energy.

Another notable characteristic of the Vanguard VN6B and VN12A is their durable construction. Made from high-quality materials, these heating units are designed to withstand wear and tear, ensuring a long lifespan with minimal maintenance. Regular maintenance reminders are a feature, making it straightforward for homeowners to keep track of service needs.

In summary, the Vanguard Heating VN6B and VN12A models stand out in the market for their exceptional efficiency, smart technologies, and user-centric features. They are excellent choices for homeowners seeking reliable and environmentally friendly heating solutions that promise comfort year-round, all while keeping energy costs low.