USSC VF30IL User manual

WARNINGS

WARNING: If the information in this manual is not

followed exactly, a fire or explosion may result causing

property damage, personal injury or loss of life.

Do not store or use gasoline or other flammable vapors and

liquids in the vicinity of this or any other appliance.

WHAT TO DO IF YOU SMELL GAS

• 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. Follow the gas supplier's instructions.

• If you cannot reach your gas supplier, call the fire

department.

Installation and service must be performed by a qualified

installer, service agency or the gas supplier.

THIS APPLIANCE MAY BE INSTALLED IN

AN AFTERMARKET* MANUFACTURED

(MOBILE) HOME, WHERE NOT

PROHIBITED BY STATE OR LOCAL

CODES.

*Aftermarket: Completion of sale, not

for purpose of resale, from the

manufacturer.

THISAPPLIANCEISONLYFORUSEWITH

THE TYPE OF GAS INDICATED ON THE

RATINGPLATE. THISAPPLIANCEISNOT

CONVERTIBLE FOR USE WITH OTHER

GASES.

This is an vent-free gas-fired heater. It uses air

(oxygen) from the room in which it is installed.

Provisionsforadequatecombustionandventilation

air must be provided. Refer to "Adequate

CombustionAndVentilationAir"onpage7ofthis

manual.

WARNING:Thisapplianceisforinstallationonlyin

a solid-fuel burning fireplace or approved ventless

firebox enclosures.

851342A 9/98

VF30I FIREPLACE INSERT

VENT-FREEROOMHEATER

227 Industrial Park Road • P.O. Box 151 • South Pittsburg, TN 37380 • (423) 837-2100

UNITED STATES STOVE COMPANY

Propane (LPG) Model

VF30IL

Natural Gas Model

VF30IN

TABLE OF CONTENTS

IMPORTANT SAFETY INFORMATION.............................................................3-4

PRODUCT FEATURES...........................................................................................4

SPECIFICATIONS......................................................................................................5

CONTENTS...............................................................................................................5

UNIT DIMENSIONS................................................................................................6

MINIMUM AND MAXIMUM SIZE OF FIREPLACE.............................................6

ITEMS REQUIRED FOR INSTALLATION...........................................................7

AIR FOR COMBUSTION AND VENTILATION................................................7-11

CLEARANCES TO COMBUSTIBLES...................................................................11

INSTALLINGTOPSURROUND&BRASSTRIM...................................................12

PREPARING FIREPLACE......................................................................................13

GAS CONNECTION.........................................................................................14-15

GAS PRESSURE CHECK......................................................................................15

WIRING BLOWER ASSEMBLY............................................................................16

LOGS AND LOG STOP ASSEMBLY....................................................................17

OPERATING INSTRUCTIONS........................................................................18-19

CLEANING / SERVICING.................................................................................20-21

FLAME APPEARANCE.........................................................................................21

PARTS LIST FOR HEATER ASSEMBLY.......................................................22-23

PARTS LIST FOR BURNER & LOG ASSEMBLY........................................24-25

TROUBLE SHOOTING....................................................................................26-27

NOTICE

Installation and repair must be done by a qualified service person. The appliance should be

inspected before use and at least annually by a professional service person. More frequent

cleaning may be required due to excessive lint from carpeting, bedding material, etc. It is

imperative that control compartments, burners and circulating air passageways of the

appliance be kept clean.

CARBON MONOXIDE POISONING: Early signs of carbon monoxide poisoning are similar to the flu

with headaches, dizziness and/or nausea. If you have these signs, obtain fresh air immediately. Have the

heater serviced as it may not be operating properly.

The installation must conform with local codes or, in the absence of local codes, with the National Fuel Gas

Code, ANSI Z223.1.

The VF30IN/VF30IL vent-free gas heater system cannot be installed in a bedroom or bathroom.

Solid-fuels shall not be burned in a fireplace where an unvented room heater is installed.

WARNING: Improper installation, adjustment, alteration, service or maintenance can cause injury or

property damage. Refer to this owner's manual. Installation and service must be performed by a qualified

installer; service agency or the gas supplier.

To prevent malfunction and/or sooting, an vent-free gas heater should be cleaned at least annually by a

professional service person. More frequent cleaning may be required due to excessive lint from carpeting,

etc. It is imperative that control compartments, burners and circulating air passageways be kept clean.

Correct placement of the ceramic fiber logs is necessary to avoid problems with sooting. Sooting can settle

on surfaces outside the heater and cause discoloration. See the appropriate sections of this manual for

instructions.

WARNING: Do not allow fans to blow directly into the fireplace. Avoid any drafts that alter burner flame

patterns. Do not place a blower inside burn area of firebox. Ceiling fans may create drafts that alter burner

flame patterns. Sooting and improper burning will occur.

This is an vent-free gas-fired heater. It uses air (oxygen) from the room in which it is installed. Provisions

for adequate combustion and ventilation air must be provided. Refer to installation guidelines.

Childrenandadultsshouldbealertedtothehazardofhighsurfacetemperatureandshouldstayawaytoavoid

burns or clothing ignition.

Young children should be carefully supervised when they are in the same room with the appliance.

Do not place clothing or other flammable material near the appliance.

IMPORTANTSAFETYINFORMATION

INSTALLER: Please leave these instructions with the owner.

OWNER: Please retain these instructions for future reference.

IMPORTANT: Read these instructions carefully before installing or trying to operate this heater.

WARNING

10.

11.

12.

ANYCHANGETOTHISHEATERORITSCONTROLSCANBEDANGEROUS. IMPROPER

INSTALLATIONORUSEOFTHEHEATERCANCAUSESERIOUS INJURYORDEATH

FROM FIRE, BURNS, EXPLOSION OR CARBON MONOXIDE POISONING.

IMPORTANTSAFETYINFORMATION

Outside air ducts in the fireplace shall be permanently closed at the time of appliance installation.

Keep appliance area clear and free from combustible materials, gasoline and other flammable vapors and

liquids.

Fireplace screen must be closed during operation of the heater.

This vent-free gas heater is intended to be smokeless. If logs appear to smoke, turn off the heater and call

a qualified service person. Initial burn off may cause slight smoke and odor during the first four hours of

operation.

Input ratings are shown in BTU per hour and are for elevations up to 2,000 feet. For elevations above 2,000

feet,inputratingsshouldbereduced4percentforeach1,000feetabovesealevel.RefertotheNationalFuel

Gas Code.

The heater and its individual shut off valve must be disconnected from the gas supply piping system during

any pressure testing of that system at test pressures in excess of 1/2 psig (3.5 kPa).

Theheatermustbeisolatedfromthegassupplypipingsystembyclosingitsindividualmanualshutoffvalve

during any pressure testing of the gas supply piping system at test pressures equal to or less than 1/2 psig

(3.5 kPa).

Donot usethisroomheaterifanypart hasbeenunderwater.Immediatelycalla qualifiedservicetechnician

to inspect the room heater and to replace any part of the control system and any gas control which has been

under water.

13.

14.

15.

16.

17.

18.

19.

20.

Features:

• Heating Efficiency - 99.9%

• Wide BTU Range: 16,000 - 30,000.

• Safe Operation -

Oxygen Depletion Sensor (ODS).

• Thermostatic Condole

• Fibre Ceramic Logs.

• Push-Button Piezo Ignitor.

• Clean Operation.

• Easy Operation.

• Heats up to 1,000 square feet.

PRODUCTFEATURES

VF30I Vent-free Gas Fireplace Insert

SPECIFICATIONS

Natural Gas

Manifold Pressure Setting 4" w.c.

Gas Inlet Pressure Maximum 10-1/2" w.c.

Minimum 5" w.c. Gas Rate Number

Model Number Type Max BTU/Hr Min BTU/Hr of Burners

VF30IN Manual 30,000 16,000 1

Propane / LPG

Note: An external regulator is required to reduce supply pressure to a maximum of 13" w.c.

Manifold Pressure Setting 10" w.c.

Gas Inlet Pressure Maximum 13" w.c.

Minimum 11" w.c.

Gas Rate Number

Model Number Type Max BTU/Hr Min BTU/Hr of Burners

VF30IL Manual 30,000 16,000 1

GLOVES ARE RECOMMENDED WHEN HANDLING CERAMIC FIBER LOGS

TO PREVENTSKIN IRRITATIONFROMLOOSEFIBERS.LOGSAREFRAGILE,

HANDLE WITH CARE.

CONTENTS

Carefully inspect the contents for shipping damage and immediately inform your dealer if any damage is found.

CAUTION

VF30IN and VF30IL Vent-free Gas Room Heaters

1. Owner's manual.

2. Log box containing four (4) fiber ceramic logs, refer to installation instructions.

3. Vent-free gas heater.

CHECK THAT ALL LISTED PARTS HAVE BEEN RECEIVED

Controls - Main control has 4 positions:

1. OFF - All gas to the gas logs is shut off at the control

2. IGN - Piezo ignitor allows ignition of the pilot without the use of matches or batteries

3. PILOT - Valve position to light / maintain a standing pilot

4. ON - Gas flow to complete system, front burner ignition

Burner Control Knob - Infinite control, rotate clockwise to minimum rate and counterclockwise for maximum

rate. Adjust the control knob between Minimum and Maximum to gain the desired room temperature. The control

will automatically cycle the heater on and off to maintain the desired heat in the room. There are no exacts with

the adjustment, you will need to experiment with the setting to find what works best for you needs.

UNIT DIMENSIONS

MINIMUM AND MAXIMUM SIZE OF FIREPLACE

DIMENSION MINIMUM MAXIMUM

A26" 44"

B22-1/4" 32"

C13-1/4" 24"

ITEMS REQUIRED FOR INSTALLATION

Ensure that the following items are available before proceeding with installation:

• External regulator (for propane/LPG only) • Manual shutoff valve

• Piping which complies with local codes • Sediment trap

• Pipe sealant approved for use with • Pipe wrench

propane/LPG (resistant to sulfur compounds)

CODES

Adheretoalllocalcodesorintheirabsence,thelatesteditionofTHENATIONALFUELGASCODEANSIZ223.1

or NFPA54 which can be obtained from:

American National Standards Institute, Inc. National Fire Protection Association, Inc.

1430 Broadway or Batterymarch Park

New York, NY 10018 Quincy, MA 02269

WARNING

Due to high temperatures, do not install the heater:

• Wherecurtains,furniture,clothingorotherflammableobjectsarelessthan60"

from the front of the heater.

• In high traffic areas.

• In windy or drafty areas.

DO NOT PLACE CLOTHING OR OTHER FLAMMABLE MATERIAL ON

OR NEAR THE APPLIANCE.

This fireplace shall not be installed in a confined space unless provisions are

provided for adequate combustion and ventilation air. Read the following

instructions to insure proper fresh air for this and other fuel-burning appliances in

your home.

WARNING

Today's homes are built more energy efficient than ever. New materials, increased insula-

tion, and new construction methods help reduce heat loss in homes. Home owners weather

strip and caulk around windows and doors to keep the cold air out and the warm air in. During

heating months, home owners want their homes as airtight as possible.

While it is good to make your home energy efficient, your home needs to breathe. Fresh air

must enter your home. All fuel-burning appliances need fresh air for proper combustion and

ventilation.

Exhaust fans, fireboxes, clothes dryers, and fuel-burning appliances draw air from the house

to operate. You must provide adequate fresh air for these appliances. This will insure proper

venting of vented fuel-burning appliances.

AIR FOR COMBUSTION AND VENTILATION

Providing adequate ventilation

The following is excerpts from National Fuel Gas Code. NFPA 54/ANSI Z223.1, Section 5.3,

Air for Combustion and Ventilation.

All spaces in homes fall into one of the three following ventilation classifications:

1. Unusually Tight Construction; 2. Unconfined Space; 3. Confined Space.

The information on pages 7 through 11 will help you classify your space and provide ad-

equate ventilation.

Unusually Tight Construction

The air that leaks around doors and windows may provide enough fresh air for combustion

and ventilation. However, in buildings of unusually tight construction, you must provide

additional fresh air.

Unusually tight construction is defined as construction where:

a. Walls and ceilings exposed to the outside atmosphere have a continuous

water vapor retarder with a rating of one perm (6x10-11 per pa-sec-m2) or less

with openings gasketed or sealed and

b. Weather stripping has been added on openable windows and doors and

c. Caulking or sealants are applied to areas such as joints around window and

door frames, between sole plates and floors, between wall-ceiling joints,

between wall panels, at penetrations for plumbing, electrical, and gas lines,

and at other openings.

If your home meets all of the three criteria above, you must provide additional fresh air. See

Ventilation Air From Outdoors, page 11.

If your home does not meet all of the three criteria above, proceed to page 9.

Confined Space and Unconfined Space

The National Fuel Gas Code (ANSI Z223.1, 1992 Section 5.3) defines a confined space as a

space whose volume is less than 50 cubic feet per 1,000 BTU per hour (4.8m3per kw) of the

aggregate input rating of all appliances installed in that space and an unconfined space as a

space whose volume is not less than 50 cubic feet per 1,000 BTU per hour (4.8m3 per kw) of

the aggregate input rating of all appliances installed in that space. Rooms communicating

directly with the space in which the appliances are installed*, through openings not furnished

with doors, are considered a part of the unconfined space.

* Adjoining rooms are communicating only if there are doorless passageways or ventilation

grills between them.

AIR FOR COMBUSTION AND VENTILATION

Determining if You Have a Confined or Unconfined Space

Use this worksheet to determine if you have a confined or unconfined space.

Space: Includes the room in which you will install the firebox plus any adjoining rooms with

doorless passageways or ventilation grills between the rooms.

1. Determine the volume of the space (length x width x height).

Length x Width x Height = _______________ cu. Ft. (volume of space)

Example: Space size 22 ft. (length) x 18 ft. (width) x 8 ft. (ceiling height) =

3168 cu. Ft. (volume of space)

If additional ventilation to adjoining room is supplied with grills or openings, add the

volume of these rooms to the total volume of the space.

2. Divide the space volume by 50 cubic feet to determine the maximum BTU/Hr the space

can support.

_________ (volume of space) 50 cu. Ft. = (Maximum BTU/Hr the space can support)

Example: 3168 cu. Ft. (volume of space) 50 cu. Ft. = 63.3 or 63,300 (maximum

BTU/Hr the space can support)

3. Add the BTU/Hr of all fuel-burning appliances in the space.

Vent-free Firebox __________________ BTU/Hr

Gas water heater* __________________ BTU/Hr

Gas furnace __________________ BTU/Hr

Vented gas heater __________________ BTU/Hr

Gas firebox logs __________________ BTU/Hr

Other gas appliances* + __________________ BTU/Hr

Total = __________________ BTU/Hr

Example: Gas water Heater 40,000 BTU/Hr

Vent-free firebox with log heater + 39,000 BTU/Hr

Total = 79,000 BTU/Hr

* Do not include direct-vent gas appliances. Direct-vent draws combustion air from

the outdoors and vents to the outdoors.

4. Compare the maximum BTU/Hr the space can support with the actual amount of

BTU/ Hr used.

______________ BTU/Hr (maximum the space can support)

______________ BTU/Hr (actual amount of BTU/Hr used)

Example: 63,300 BTU/Hr (maximum the space can support)

79,000 BTU/Hr (actual amount of BTU/Hr used)

The space in the above example is a confined space because the actual BTU/Hr used is

more than the maximum BTU/Hr the space can support. You must provide additional fresh

air.

Your options are as follows:

A. Rework worksheet, adding the space of an adjoining room. If the extra space provides

an unconfined space, remove door to adjoining room or add ventilation grills between

rooms. See Ventilation Air From Inside Building, page 10.

AIR FOR COMBUSTION AND VENTILATION

B. Vent room directly to the outdoors. See Ventilation Air from Outdoors, page 11.

C. Install a lower BTU/Hr firebox, if lower BTU/Hr size makes room unconfined.

If the actual BTU/Hr used is less than the maximum BTU/Hr the space can support, the space

is an unconfined space. You will need no additional fresh air ventilation.

WARNING

If the area in which the firebox and gas log heater may be operated is smaller than

that defined as an unconfined space, provide adequate combustion and

ventilation air by one of the methods described in the National Fuel Gas Code,

ANSI Z223.1, 1992, Section 5.3.

VENTILATION AIR

Ventilation Air From Inside Building

This fresh air would come from an adjoining unconfined space. When ventilating to an ad-

joining unconfined space, you must provide two permanent openings: one within 12" of the

ceiling and one within 12" of the floor into adjoining room ( see options in Figure 1).

Follow the National Fuel Gas Code NFPA 54/ ANSI Z223.1, Section 5.3, Air for Combustion

and Ventilation for required size of ventilation grills or ducts.

WARNING

Rework worksheet, adding the space of the adjoining unconfined space. The

combined spaces must have enough fresh air to supply all appliances in both

spaces.

AIR FOR COMBUSTION AND VENTILATION

FIGURE 1. Ventilation Air from Inside Building

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