Desa GVC50PA, GVC35PA, GVC65PA installation manual Trouble, Problem Cause

Page 25

TROUBLE-

 

OBSERVED

POSSIBLE

 

REMEDY

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

SHOOTING

 

PROBLEM

CAUSE

 

 

 

 

 

 

 

 

 

Pilot lights but flame

1.

Manual shutoff valve

1.

Fully open manual

 

 

 

 

 

Continued

 

 

 

 

 

 

 

goes out when

 

not fully open.

 

 

shut-off valve.

 

 

 

 

 

 

 

 

control knob is

2.

Control knob not fully

2.

Press in control knob

 

 

 

released.

 

pressed in.

 

 

fully.

 

 

 

 

 

 

 

 

 

 

 

3.

Control knob not

 

3.

After pilot lights, keep

 

 

 

 

 

pressed in long

 

 

control knob pressed in

 

 

 

 

 

enough.

 

 

30 seconds.

 

 

 

 

 

 

 

 

 

4.

Safety interlock system

4.

Wait

one minute

 

 

for

 

 

 

 

 

has been triggered.

 

safety interlock system

 

 

 

 

5.

Thermocouple connec-

 

to reset. Repeat ignition.

 

 

 

 

5.

Hand tighten until

 

 

 

 

 

 

 

 

 

tion loose at control

 

snug, then tighten 1/4

 

 

 

 

 

valve.

 

 

turn more.

 

 

 

 

 

 

 

 

 

6.

Pilot flame not touching

6.

A) Contact qualified

 

 

 

 

 

thermocouple, which

 

service person to

 

 

 

 

 

 

 

 

 

allows thermocouple to

 

properly adjust pilot

 

 

 

 

 

cool, causing

pilot

 

flame.

 

 

 

 

 

 

 

 

 

 

 

 

flame to go out. This

 

B) Contact local

 

 

 

 

 

 

 

 

 

problem could

be

 

propane gas company.

 

 

 

 

 

caused by any or all of

 

C) Clean pilot (see

 

 

 

 

 

 

 

 

 

the following:

 

 

Cleaning and Mainte-

 

 

 

 

 

A) Improperly adjusted

 

nance, page 23) or

 

 

 

 

 

 

 

 

 

pilot flame

 

 

replace pilot assembly.

 

 

 

 

 

B) Low gas pressure

 

 

 

 

 

 

 

 

 

 

 

 

 

 

C) Dirty or partially

 

 

 

 

 

 

 

 

 

 

 

 

 

 

clogged pilot

 

7.

Replace thermocouple.

 

 

 

 

7.

Thermocouple damaged.

 

 

 

 

8.

Control valve damaged.

8.

Replace control valve.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Burner does not light

1.

Safety interlock system

1.

Fully

depress

control

 

 

 

after pilot is lit.

 

has been inadvertently

 

knob

in

any

position

 

 

 

 

 

triggered.

 

 

other than pilot. Wait one

 

 

 

 

 

 

 

 

minute for safety inter-

 

 

 

 

 

 

 

 

lock system to reset. Re-

 

 

 

 

 

 

 

 

peat ignition.

 

 

 

 

 

 

 

 

 

2.

Burner orifice is

 

2.

Clean burner (see Clean-

 

 

 

 

 

clogged.

 

 

ing and Maintenance,

 

 

 

 

 

 

 

 

page

23) or

replace

 

 

 

 

 

 

 

 

burner

orifice

(see

 

 

 

 

 

 

 

 

Changing Burner Ori-

 

 

 

 

 

 

 

 

fice, page 30).

 

 

 

 

 

 

 

 

 

3.

Burner orifice diameter

3.

Replace burner orifice

 

 

 

 

 

is too small.

 

 

(see Changing Burner

 

 

 

 

 

 

 

 

Orifice, page 30).

 

 

 

 

 

 

 

 

4.

Inlet gas pressure is

4.

Contact local propane

 

 

 

 

 

too low.

 

 

gas company.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Delayed ignition of

1.

Manifold pressure is

1.

Contact local propane

 

 

 

burner.

 

too low.

 

 

gas company.

 

 

 

 

 

 

 

 

 

2.

Burner orifice is

 

2.

Clean burner (see

 

 

 

 

 

 

 

 

 

clogged.

 

 

Cleaning and Mainte-

 

 

 

 

 

 

 

 

nance, page 23) or

 

 

 

 

 

 

 

 

 

 

 

 

replace burner orifice

 

 

 

 

 

 

 

 

(see Changing Burner

 

 

 

 

 

 

 

 

Orifice, page 30).

 

 

 

 

 

 

 

 

 

 

 

 

 

Continued

 

25

 

 

 

 

 

 

 

 

 

 

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Image 25
Contents For Your Safety OWNER’S Operation and Installation ManualWhat to do if YOU Smell GAS Contents Information SafetyElectrical shock, and carbon monoxide poisoning Carbon monoxide poisoning may lead to deathSafety Information Identification ProductInstalling Heater FeaturesLocal Codes UnpackingLocating Heater Installing HeaterVenting Heater Do not vent heater in any of the following ways see Figure Venting HeaterVenting Heater Proper Size Vent Connecting to GAS Supply InstallingQualified service person must connect heater to gas Supply. Follow all local codesGas Connection Checking GAS Connections Test all gas piping and connections for leaks after installIng or servicing. Correct all leaks at once Fresh AIR for Combustion and Ventilation Ventilation CombustionDetermining FRESH-AIR Flow for Heater Location Draft Hood Spillage TestVentilation Air from Outdoors Fresh AIR for15 to make sure fresh air ventilation is adequate Confined area has an air volume of less than 50 cubicOperating Heater For Your Safety Read Before LightingLighting Instructions Viewing Pilot Blower Operation Manual Lighting ProcedureTo Turn OFF GAS to Appliance Shutting Off HeaterPilot Flame Pattern Inspecting Pilot and Burner FlameBurner Flame Pattern Correct Burner Flame Pattern Maintenance CleaningUnless you need gas supply for testing, shut off manual Trouble ShootingShutoff valve before servicing. Only a qualified service Turn off and unplug heater and let cool before servicingTrouble Problem CauseTROUBLE- Shooting Observed Possible Problem Cause RemedyConnections, Statement at topRemoving Control Valve and Burner Tube Service ProceduresRemoving Burner Diagram WiringBlower Changing Burner OrificeAccessories ServiceTechnical HintsParts Under Warranty Ordering ReplacementParts Not Under Warranty PartsCabinet Assembly Illustrated Parts ListBurner Assembly Parts List Limited Warranty Vanguard Vented Propane GAS Heaters Warranty Information

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