Vanguard Heating GVB50P Trouble Shooting, Son should service and repair heater and venting system

Page 26

 

 

TROUBLE-

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

WARNING

 

 

 

 

 

 

 

SHOOTING

 

 

 

 

 

 

 

 

 

 

Turn off and unplug heater and let cool before servicing.

 

 

 

Note: All troubleshooting

 

 

Unless you need gas supply for testing, shut off manual

 

 

 

 

 

shutoff valve before servicing. Only a qualified service per-

 

 

 

items are listed in order of

 

 

son should service and repair heater and venting system.

 

 

 

operation.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

CAUTION

 

 

 

 

 

 

 

 

 

 

Never use a wire, needle, or similar object to clean pilot.

 

 

 

 

 

 

 

 

This can damage pilot.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

OBSERVED

POSSIBLE

 

 

 

 

 

 

 

 

 

PROBLEM

CAUSE

REMEDY

 

 

 

 

 

 

 

 

 

 

 

 

 

 

When ignitor button is

1.

Incorrect spark gap.

1.

Adjust spark gap to 1/16".

 

 

 

 

pressed, there is no

2.

Ignitor electrode posi-

2.

Replace ignitor.

 

 

 

 

spark at pilot.

 

tioned wrong.

 

 

 

 

 

 

 

 

 

 

 

3.

Ignitor electrode broken.

3.

Replace ignitor.

 

 

 

 

 

 

4.

Ignitor electrode not con-

4.

Reconnect ignitor cable.

 

 

 

 

 

 

 

nected to ignitor cable.

 

 

 

 

 

 

 

 

 

 

 

5.

Ignitor cable pinched or

5.

Free ignitor cable if

 

 

 

 

 

 

 

wet.

 

pinched by any metal or

 

 

 

 

 

 

 

 

 

tubing. Keep ignitor

 

 

 

 

 

 

 

 

 

cable dry.

 

 

 

 

 

 

6.

Piezo ignitor nut is loose.

6.

Tighten nut holding piezo

 

 

 

 

 

 

 

 

 

ignitor to heater cabinet.

 

 

 

 

 

 

 

 

 

Nut is located inside

 

 

 

 

 

 

 

 

 

heater cabinet at top.

 

 

 

 

 

 

7.

Broken or frayed ignitor

7.

Replace ignitor cable.

 

 

 

 

 

 

 

cable.

 

 

 

 

 

 

 

 

 

 

 

8.

Loose ignitor cable.

8.

Reconnect ignitor cable.

 

 

 

 

 

 

9.

Bad piezo ignitor.

9.

Replace piezo ignitor.

 

 

 

 

 

 

 

 

 

 

 

 

 

When ignitor button is

1. Gas supply turned off or

1.

Turn on gas supply or

 

 

 

 

pressed, there is spark

 

manual shutoff valve

 

open manual shutoff

 

 

 

 

at pilot but no igni-

 

closed.

 

valve.

 

 

 

 

tion.

2.

Control knob not in PI-

2.

Turn control knob to PI-

 

 

 

 

 

 

 

LOT position.

 

LOT position.

 

 

 

 

 

 

3.

Control knob not pressed

3.

Press in control knob

 

 

 

 

 

 

 

in while in PILOT posi-

 

while in PILOT position.

 

 

 

 

 

 

 

tion.

 

 

 

 

 

 

 

 

 

 

 

4.

Air in gas lines when in-

4.

Continue holding down

 

 

 

 

 

 

 

stalled.

 

control knob. Repeat ig-

 

 

 

 

 

 

 

 

 

niting operation until air

 

 

 

 

 

 

 

 

 

is removed.

 

 

 

 

 

 

5.

Depleted gas supply.

5.

Contact local propane gas

 

 

 

 

 

 

 

 

 

company.

 

 

 

 

 

 

6.

Pilot is clogged.

6.

Clean pilot (see Cleaning

 

 

 

 

 

 

 

 

 

and Maintenance, page

 

 

 

 

 

 

 

 

 

25) or replace pilot as-

 

 

 

 

 

 

 

 

 

sembly.

 

 

 

 

 

 

7.

Gas regulator setting is

7.

Replace control valve.

 

 

 

 

 

 

 

not correct.

 

 

 

 

 

 

26

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

100354

Image 26
Contents What to do if YOU Smell GAS OWNER’S Operation and Installation ManualFor Your Safety Contents Electrical shock, and carbon monoxide poisoning SafetyInformation Carbon monoxide poisoning may lead to deathSafety Information Product Identification Unpacking FeaturesInstalling Heater ProductInstalling Heater Locating HeaterVenting Heater Venting Heater Do not vent heater in any of the following ways see FigureVenting Heater Proper Size Vent Qualified service person must connect heater to gas InstallingConnecting to GAS Supply Supply. Follow all local codesGas Connection Pressure Testing Gas Supply Piping System Checking GAS ConnectionsInstalling Glass Panel Removing Lower Front Access PanelInserting Glass Panels Fresh AIR for Combustion and Ventilation Determining FRESH-AIR Flow for Heater Location CombustionVentilation Draft Hood Spillage TestFresh AIR for Ventilation Air from OutdoorsConfined area has an air volume of less than 50 cubic 17 to make sure fresh air ventilation is adequateLighting Instructions For Your Safety Read Before LightingOperating Heater Viewing Pilot Shutting Off Heater Manual Lighting ProcedureTo Turn OFF GAS to Appliance Shutting Off Burner Only pilot stays litBurner Flame Pattern Inspecting Pilot and Burner FlamePilot Flame Pattern Correct Burner Flame Pattern Cleaning and Maintenance Trouble Shooting Son should service and repair heater and venting systemCleaning and Mainte TroubleTROUBLE- Shooting Do not try to light any appliance If you smell gasShut off gas supply Gas leak. See WarningService Procedures Removing Control Valve and Burner TubeRemoving Burner Changing Burner Orifice Orifice Location 35,000 BTU/Hr Burner ShownSpecifications Technical ServiceService Hints 35,000 BTU/HrParts Not Under Warranty Ordering ReplacementParts Under Warranty PartsAccessories Valve GA5010Illustrated Parts List QTY Cabinet Assembly 100354 Warranty Information International

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