Desa VP30BT, VP20BT, VN30BT, VN20BT installation manual Gas leak. See Warning, Statement above

Page 20

TROUBLESHOOTING

Continued

WARNING: If you smell gas

Shut off gas supply.

Do not try to light any appliance.

Do not touch any electrical switch; do not use any phone in your building.

Immediately call your gas supplier from a neighbor’s phone. Fol- low the gas supplier’s instructions.

If you cannot reach your gas supplier, call the fire department.

IMPORTANT: Operating heater where impurities in air exist may create odors. Cleaning supplies, paint, paint remover, cigarette smoke, cements and glues, new carpet or textiles, etc., create fumes. These fumes may mix with combustion air and create odors.

OBSERVED PROBLEM

POSSIBLE CAUSE

REMEDY

 

 

 

 

Heater produces a whistling noise

1. Turning control knob to posi-

1.

Turn control knob to position 1

when burner is lit

 

tion 5 when burner is cold

 

and let warm up for a minute

 

2.

Air in gas line

2.

Operate burner until air is

 

 

 

 

removed from line. Have gas

 

 

 

 

line checked by local natural

 

 

 

 

or propane/LP gas company

 

3.

Air passageways on heater

3.

Observe minimum installation

 

 

blocked

 

clearances (see Figure 4, page 8)

 

4.

Dirty or partially clogged

4.

Clean burner (see Cleaning

 

 

burner orifice

 

and Maintenance, page 16)

 

 

 

 

or replace burner orifice

 

 

 

 

White powder residue forming

1. When heated, vapors from

1.

Turn heater off when using

within burner box or on adjacent

 

furniture polish, wax, carpet

 

furniture polish, wax, carpet

walls or furniture

 

cleaner, etc., may turn into

 

cleaners or similar products

 

 

white powder residue

 

 

 

 

 

 

Heater produces a clicking/tick-

1. Metal expanding while heating

1.

This is common with most heat-

ing noise just after burner is lit

 

or contracting while cooling

 

ers. If noise is excessive, contact

or shut off

 

 

 

qualified service person

 

 

 

 

Heater produces unwanted

1. Heater burning vapors from

1.

Ventilate room. Stop using

odors

 

paint, hair spray, glues, etc.

 

odor causing products while

 

 

(see IMPORTANT statement

 

heater is running

 

 

above)

2.

Refill supply tank

 

2.

Low fuel supply (propane/LP

 

 

gas only)

3.

Locate and correct all leaks

 

3.

Gas leak. See Warning

 

 

statement above

 

(see Checking Gas Connec-

 

 

 

 

tions, page 12)

 

 

 

 

Heater shuts off in use (ODS

1. Not enough fresh air is

1.

Open window and/or door for

operates)

 

available

 

ventilation

 

2.

Low line pressure

2.

Contact local natural or pro-

 

 

 

 

pane/LP gas company

 

3.

ODS/pilot is partially

3.

Clean ODS/pilot (see Cleaning

 

 

clogged

 

and Maintenance, page 17)

20

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Contents What to do if YOU Smell GAS Table of Contents Safety Information Unpacking Product FeaturesLocal Codes AIR for Combustion Ventilation Providing Adequate VentilationUnusually Tight Construction Confined and Unconfined SpaceDetermining FRESH-AIR Flow for Heater Location Determining if You Have a Confined or Unconfined SpaceInstallation Ventilation AIRCheck GAS Type Ventilation Air From Inside BuildingInstallation Items Locating HeaterInstalling Heater to Wall Thermostat Sensing BulbPlacing Heater On Mounting Bracket Installing Bottom Mounting ScrewsAttaching To Wall Anchor Method Connecting to GAS Supply Mounting Base Feet to Floor Where required by local codeMounting Heater to Floor Mounting Base Feet to HeaterChecking GAS Connections VN30BT, VP30BT 1/2 or greaterPressure Testing Heater GAS Connections Test Pressures Equal To or Less Than 1/2 Psig 3.5 kPaLighting Instructions For Your Safety Read Before LightingOperating Heater Inspecting Heater Cleaning Maintenance ODS/PILOT and BurnerBurner Pilot AIR Inlet Cabinet Specifications Service Hints Technical Service Service PublicationsTroubleshooting Observed Problem Possible Cause RemedySee Cleaning and Mainte Gas leak. See Warning Statement aboveReplacement Parts AccessoriesIllustrated Parts Breakdown Models VN20BT, VP20BT VN30BT, VP30BTParts List NJF 8CLimited Warranty VENT-FREE Residential GAS Heaters Warranty InformationKeep this Warranty