Vanguard Heating VN6A, VN12 installation manual Cleaning

Page 18

18

OBSERVED

 

POSSIBLE

 

 

 

 

 

 

 

 

 

PROBLEM

 

CAUSE

 

 

 

 

REMEDY

 

 

 

 

 

 

ODS/pilot lights but

1. Control knob not fully

1.

Press in control knob

flame goes out when

 

pressed in

 

 

 

 

 

fully

 

 

 

control knob is

 

2.

Control

 

knob

 

not

2.

After ODS/pilot lights,

released

 

 

pressed in long enough

 

 

keep

control

knob

 

 

 

 

 

 

 

 

 

 

 

pressed in 10 seconds

 

 

3. Manual

shutoff

valve

3. Fully open manual shut-

 

 

 

not fully open

 

 

 

 

off valve

 

 

 

 

4. Thermocouple connec-

4. Hand tighten until snug,

 

 

 

tion

loose

at control

 

 

then

tighten

1/4 turn

 

 

 

valve

 

 

 

 

 

 

 

more

 

 

 

 

 

5. Pilot flame not touching

5. A) Contact local natural

 

 

 

thermocouple,

which

 

 

gas company

 

 

 

 

 

allows thermocouple to

 

 

 

 

 

 

 

 

 

cool,

causing

pilot

 

 

B) Clean ODS/pilot (see

 

 

 

flame to go out. This

 

 

CLEANING

 

AND

 

 

 

problem

could

be

 

 

M A I N T E N A N C E ,

 

 

 

caused by one or both of

 

 

page

16) or

replace

 

 

 

the following:

 

 

 

 

ODS/pilot assembly

 

 

 

A) Low gas pressure

 

 

 

 

 

 

 

 

 

B) Dirty or partially

 

 

 

 

 

 

 

 

 

clogged ODS/pilot

 

 

 

 

 

 

 

 

 

6. Thermocouple

dam-

6. Replace thermocouple

 

 

 

aged

 

 

 

 

 

 

 

 

 

 

 

 

 

7. Control valve damaged

7. Replace control valve

 

 

 

 

 

 

 

 

Burner(s) does

not

1. Burner

orifice(s)

is

1. Clean

burner

orifice(s)

light after ODS/pilot is

 

clogged

 

 

 

 

 

(see CLEANING AND

lit

 

 

 

 

 

 

 

 

 

MAINTENANCE, page

 

 

 

 

 

 

 

 

 

 

16) or

replace

burner

 

 

 

 

 

 

 

 

 

 

orifice(s)

 

 

 

 

2.

Burner

orifice(s)

di-

2.

Replace burner orifice(s)

 

 

 

ameter is too small

 

 

 

 

 

 

 

 

 

3.

Inlet gas pressure is too

3.

Contact local natural gas

 

 

 

low

 

 

 

 

 

 

company

 

 

 

 

 

 

 

 

Delayed ignition

of

1.

Manifold pressure is too

1.

Contact local natural gas

burner(s)

 

 

low

 

 

 

 

 

 

company

 

 

 

 

2.

Burner

orifice(s)

is

2. Clean

burner

orifice(s)

 

 

 

clogged

 

 

 

 

 

(see CLEANING AND

 

 

 

 

 

 

 

 

 

 

MAINTENANCE, page

 

 

 

 

 

 

 

 

 

 

16) or

replace

burner

 

 

 

 

 

 

 

 

 

 

orifice(s)

 

 

 

 

 

 

 

 

 

 

 

Burner backfiring

 

1.

Burner

orifice(s)

is

1. Clean

burner

orifice(s)

during combustion

 

clogged or damaged

 

 

(see CLEANING AND

 

 

 

 

 

 

 

 

 

 

MAINTENANCE, page

 

 

 

 

 

 

 

 

 

 

16) or

replace

burner

 

 

 

 

 

 

 

 

 

 

orifice(s)

 

 

 

 

2. Burner damaged

 

 

2. Replace burner

 

 

 

 

3.

Gas regulator defective

3.

Replace gas regulator

Image 18
Contents OWNER’S Operation and Installation Manual What to do if YOU Smell GASContents Safety Information Safety Information Product Identification Local Codes Unpacking Product FeaturesSafety Device Piezo Ignition SystemInstallation Items Check GAS TypeLocating Heater Floor Installing Heater to WallCeiling Marking Screw LocationsInstalling Two Mounting Screws Folding AnchorPlacing Heater On Mounting Screws Connecting to GAS Supply Pressure Testing GAS Supply Piping System Checking GAS ConnectionsPressure Testing Heater GAS Connections Manual Shutoff ValveFor Your Safety Read Before Lighting Operating HeaterLighting Instructions Pilot To Select Heating Level Burner PatternsTo Turn OFF GAS to Appliance Manual Lighting ProcedureInspecting Burner Pilot Flame PatternODS/PILOT and Burner Orifice Cleaning and MaintenanceBurner Flame Pattern CabinetTrouble Shooting Observed Possible Problem Cause RemedyCleaning Observed Possible Problem Cause Remedy Top Technical ServiceIng statement at VN12Manual Shutoff Parts Under WarrantyParts Not Under Warranty Valve GA5010Parts List VN6AIllustrated Parts Breakdown VN12Warranty Information Limited Warranty Vanguard VENT-FREE Residential GAS Heaters