Superior VRT4032WS User manual

INSTALLER: Leave this manual with the appliance.

CONSUMER: Retain this manual for future reference.

WARNING: Carefully review the instructions supplied with the decorative type unvented room heater for

the minimum ﬁreplace size requirement.

Do not install the appliance in this ﬁrebox, unless this ﬁrebox meets the minimum dimensions required for

the installation.

WARNING: For use only with a listed, gas-ﬁred unvented decorative room heater not to exceed 40,000

Btu/H.

Do not build a wood ﬁre.

WARNING: If the information in these instructions 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.

Installation and Operation Instructions

SuperiorTM Unvented (Vent-Free) Universal Firebox

P/N 126709-01 Rev.A 02/2014

PFS

Models

VRT4032WS

VRT4032WH

VRT4032RS

VRT4032RH

VRT4036WS

VRT4036WH

VRT4036RS

VRT4036RH

VRT4042WS

VRT4042WH

VRT4042RS

VRT4042RH

P126709-01

www.SuperiorFireplaces.US.com 126709-01A2

TABLE OF CONTENTS

Safety .................................................................. 2

Local Codes......................................................... 3

Product Features................................................. 4

Locating Firebox.................................................. 4

Product Specications......................................... 5

Air For Combustion and Ventilation..................... 7

Installation ........................................................... 9

Replacement Parts............................................ 14

Technical Service............................................... 14

Accessories ....................................................... 15

Parts .................................................................. 16

Warranty ............................................................ 20

WARNING: Do not allow fans

to blow directly into the rebox.

Avoid any drafts that alter burner

ame patterns. Ceiling fans can

create drafts that alter burner

ame patterns. Altered burner

patterns can cause sooting.

SAFETY

This appliance may be installed

in an aftermarket,* permanently

located, manufactured (mobile)

home, where not prohibited by

local codes.

* Aftermarket: Completion of sale, not for

purpose of resale, from the manufacturer

This firebox has been tested

under Z21.91b-2007 for use

with approved ANSI Z21.11.2

decorative type unvented room

heater.

IMPORTANT: Read this owner’s

manual carefully and completely

before trying to assemble, op-

erate or service this replace.

Improper use of this replace

can cause serious injury or

death from burns, re, explo-

sion, electrical shock and carbon

monoxide poisoning.

DANGER: Carbon monoxide

poisoning may lead to death!

WARNING: Improper installation, adjustment, al-

teration, service or maintenance can cause injury or

property damage. Refer to this manual for correct in-

stallation and operational procedures. For assistance

or additional information consult a qualied installer,

service agency or the gas supplier.

WARNING: Any change to

this rebox or its controls can

be dangerous.

WARNING: Do not use a

blower insert, heat exchanger

insert or other accessory not ap-

proved for use with this rebox.

www.SuperiorFireplaces.US.com

126709-01A 3

Due to high temperatures, the

appliance should be located out

of trafc and away from furniture

and draperies.

Do not place clothing or other

ammable material on or near

the appliance. Never place any

objects in the rebox or on logs.

Firebox front and screen be-

comes very hot when running

rebox. Keep children and adults

away from hot surfaces to avoid

burns or clothing ignition. Fire-

box will remain hot for a time

after shutdown. Allow surfaces

to cool before touching.

Carefully supervise young chil-

dren when they are in the room

with rebox.

Keep the replace area clear and

free from combustible materials,

gasoline, and other ammable

vapors and liquids.

You must operate this replace

with the provided fireplace

screen and hood in place. Make

sure these parts are in place

and screens are closed before

running installed gas log heater.

Replace hood with INNOVATIVE

HEARTH PRODUCTS model

109511-01 50", 109511-02 42",

or 109511-03 36" only. This hood

has been designed to keep the

operation of your replace safe

and efcient.

SAFETY

Continued

1. Do not use this rebox as a wood burning

replace. Use only decorative unvented

room heaters (log sets).

2. Do not add extra logs or ornaments such as

pine cones, vermiculite or rock wool. Using

these added items can cause sooting.

3. Use only the provided hood. See Parts,

page 18.The rebox canopy (hood) must

not be modied or replaced with a canopy

(hood) that may be provided with the

unvented decorative room heater.

4. Vent-free gas log heaters installed in these

reboxes require fresh air ventilation to

run properly. See Air for Combustion and

Ventilation, page 8.

5. Do not run vent-free heaters installed in

these reboxes

• where ammable liquids or vapors are

used or stored

• under dusty conditions

6. Do not use this rebox to cook food or

burn paper or other objects.

7. Turn unit off and let cool before servicing.

Only a qualied service person should

service and repair rebox.

8. Operating vent-free heaters installed in

these reboxes above elevations of 4,500

feet could cause pilot outage.

9. Do not use the rebox if it has been

under water.

10. Before using furniture polish, wax, carpet

cleaner or similar products, turn heater

off. If heated, the vapors from these prod-

ucts may create a white powder residue

within burner box or on adjacent walls

and furniture.

11. Provide adequate clearances around air

openings.

www.SuperiorFireplaces.US.com 126709-01A4

PRODUCT FEATURES

OPERATION

This rebox has been tested and approved

under ANSI Z21.91 for use with any gas

log approved to ANSI Z21.11.2 for indoor

applications and ANSI Z21.97 for outdoor

applications. (Physical size limitations apply.

Refer to minimum rebox requirements sup-

plied with log heater.) It requires no outside

venting or chimney making installation easy

and inexpensive. When used without blower,

heater installed in rebox requires no electric-

ity making it ideal for emergency backup heat.

REFRACTORY BRICK LINER

Your rebox may feature a concrete refractory

brick liner. As with all concrete liners, this liner

may develop slight cracks when exposed to

heat. These cracks will not affect performance

of replace or vent-free gas logs.

OUTSIDE AIR KIT ACCESSORY

An optional AK4 air kit provides additional

outdoor air to improve burner efciency and

reduce build-up of condensation in the living

space. Follow instructions included with air kit.

LOCATING FIREBOX

PLANNING

Plan where you will install the rebox. This will

save time and money later when you install

the rebox. Before installation, consider the

following:

1. Where rebox will be located: Allow for

wall and ceiling clearances (see Installa-

tion Clearances, page 10).

2. Everything needed to complete replace

installation.

3. These models CANNOT be installed in

a bedroom unless maximum Btu rating

of installed vent-free log set is less than

10,000 Btu/hr.

4. Proper air for combustion and ventilation

(page 7).

State of Massachusetts: The installation

must be made by a licensed plumber or

gas tter in the Commonwealth of Mas-

sachusetts.

Sellers of unvented propane or natural

gas-red supplemental room heaters shall

provide to each purchaser a copy of 527

CMR 30 upon sale of the unit.

Vent-free gas products are prohibited for

bedroom and bathroom installation in the

Commonwealth of Massachusetts.

LOCAL CODES

Install and use with care. Follow all local

codes. In the absence of local codes, use

the latest edition of The National Fuel Gas

Code, ANSI Z223.1/NFPA 54*. Firebox must

be electrically grounded in accordance with

the National Electrical Code, ANSI/NFPA70

(latest edition).

*Available from:

American National Standards Institute, Inc.

1430 Broadway

New York, NY 10018

National Fire Protection Association, Inc.

Batterymarch Park

Quincy, MA 02269

www.SuperiorFireplaces.US.com

126709-01A 5

3 9/16"

3 7/16"

8 1/8"

10 1/2"

9 3/4"

PRODUCT SPECIFICATIONS

" Indoor

" Indoor/Outdoor

Standoffs

" Indoor

" Indoor/Outdoor

Built-In

Side

Nailing

Flanges

Square

Gas Line

Access

Holes

5/8"

Figure 1 - Firebox Dimensions (32" Models)

Right Side View

Firebox Top View

Front View

32" MODELS

Outside Air

Kit Location

(Optional)

Left Side

View with

Air Kit

Back View

Top View

" Indoor

" Indoor/Outdoor

Standoffs

" Indoor

" Indoor/Outdoor

Built-In

Side

Nailing

Flanges

Square

Gas Line

Access

Holes

5/8"

www.SuperiorFireplaces.US.com 126709-01A6

" (36" Models)

" (42" Models)

(36" Models)

(42" Models)

" (36" Models)

" (42" Models)

35" (36" Models)

42" (42" Models)

40" (36" Models)

" (42" Models)

43"(36" Models)

"(42" Models)

" (36" Models)

" (42" Models)

(36" Models)

(42" Models)

" (36" Models)

" (42" Models)

"(36" Models)

"(42" Models)

5/8"

" (36" Models)

40" (42" Models)

Built-In

Side

Nailing

Flanges

PRODUCT SPECIFICATIONS

Continued

Figure 2 - Firebox Dimensions (36" and 42" Models)

36" AND 42" MODELS

Note: If only one dimension is shown, dimension is the same for both 36" and 42" models.

Firebox Top View

" (36" Models)

" (42" Models)

" (36" Models)

9" (42" Models)

(36" Models)

(42" Models)

Outside Air

Kit Location

(Optional)

Left Side

View with

Air Kit

" (36" Models)

" (42" Models)

(36" Models)

(42" Models)

" (36" Models)

" (42" Models)

35" (36" Models)

42" (42" Models)

40" (36" Models)

" (42" Models)

43"(36" Models)

"(42" Models)

" (36" Models)

" (42" Models)

(36" Models)

(42" Models)

" (36" Models)

" (42" Models)

"(36" Models)

"(42" Models)

5/8"

" (36" Models)

40" (42" Models)

Built-In

Side

Nailing

Flanges

Right

Side

View

Front View Back View

Top View

www.SuperiorFireplaces.US.com

126709-01A 7

AIR FOR COMBUSTION AND VENTILATION

WARNING: This heater shall

not be installed in a room or

space unless the required vol-

ume of indoor combustion air

is provided by the method de-

scribed in the National Fuel Gas

Code, ANSI Z223.1/NFPA 54, the

International Fuel Gas Code, or

applicable local codes. Read the

following instructions to insure

proper fresh air for this and

other fuel-burning appliances

in your home.

Today’s homes are built more energy efcient

than ever. New materials, increased insulation

and new construction methods help reduce

heat loss in homes. Home owners weather

strip and caulk around windows and doors to

keep cold air out and warm air in. During heat-

ing months, home owners want their homes

as airtight as possible.

While it is good to make your home energy

efcient, your home needs to breathe. Fresh

air must enter your home. All fuel-burning ap-

pliances need fresh air for proper combustion

and ventilation.

Exhaust fans, reboxes, 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 appli-

ances.

PROVIDING ADEQUATE

VENTILATION

The following are excerpts from National Fuel

Gas Code, ANSI Z223.1/NFPA 54, Air for

Combustion and Ventilation.

All spaces in homes fall into one of the three

following ventilation classications:

1. Unusually Tight Construction

2. Unconned Space

3. Conned Space

Information on page 7 through 9 will help you

classify your space and provide adequate

ventilation.

Unusually Tight Construction

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 dened as

construction where:

a. walls and ceilings exposed to outside

atmosphere have a continuous water

vapor retarder with a rating of one

perm (6 x 10-11 kg 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 oors, between wall-ceiling joints,

between wall panels, at penetrations

for plumbing, electrical and gas lines

and at other openings.

If your home meets all three criteria above,

you must provide additional fresh air. See

Ventilation Air From Outdoors, page 9.

If your home does not meet all

three criteria

above, proceed to Determining Fresh-Air

Flow for Firebox Location, page 8.

Conned and Unconned Space

The National Fuel Gas Code, ANSI Z223.1/

NFPA 54 denes a conned space as a space

whose volume is less than 50 cubic feet per

1,000 Btu per hour (4.8 m3 per kw) of the ag-

gregate input rating of all appliances installed

in that space and an unconned space as a

space whose volume is not less than 50 cubic

feet per 1,000 Btu per hour (4.8 m3 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 un-

conned space.

* Adjoining rooms are communicating only if

there are doorless passageways or ventilation

grills between them.

www.SuperiorFireplaces.US.com 126709-01A8

DETERMINING FRESH-AIR FLOW

FOR HEATER LOCATION

Determining if You Have a Conned or

Unconned Space

Use this work sheet to determine if you have

a conned or unconned space.

Space: Includes the room in which you will

install heater 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. Multiply the space volume by 20 to deter-

mine the maximum Btu/Hr the space can

support.

_____ (volume of space) x 20 = (Maxi-

mum Btu/Hr the space can support)

Example: 3168 cu. ft. (volume of space) x

20 = 63,360 (maximum Btu/Hr the space

can support)

3. Add the Btu/Hr of all fuel burning appli-

ances in the space.

Vent-free heater _______ Btu/Hr

Gas water heater* _______ Btu/Hr

Gas furnace _______ Btu/Hr

Vented gas heater _______ Btu/Hr

Gas replace logs _______ Btu/Hr

Other gas appliances*

+ _______ Btu/Hr

TotaL = _______ Btu/Hr

* Do not include direct-vent gas appli-

ances. Direct-vent draws combustion

air from the outdoors and vents to the

outdoors.

Example:

Gas water heater _________ Btu/Hr

Vent-free heater + ________ Btu/Hr

Total = ________ Btu/Hr

AIR FOR COMBUSTION AND VENTILATION

Continued

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: 63,360 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 conned

space because the actual Btu/Hr used is more

than the maximum Btu/Hr the space can sup-

port. 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 unconned space, remove

door to adjoining room or add ventilation

grills between rooms. See Ventilation Air

From Inside Building, page 9.

B. Vent room directly to the outdoors. See

Ventilation Air From Outdoors, page 9.

C. Install a lower Btu/Hr heater, if lower

Btu/Hr size makes room unconned.

If the actual Btu/Hr used is less than the

maximum Btu/Hr the space can support, the

space is an unconned space. You will need

no additional fresh air ventilation.

WARNING: If the area in which

the heater may be operated does

not meet the required volume for

indoor combustion air, combus-

tion and ventilation air shall be

provided by one of the methods

described in the National Fuel

Gas Code,ANSI Z223.1/NFPA54,

the International Fuel Gas Code,

or applicable local codes.

40,000

39,000

79,000

www.SuperiorFireplaces.US.com

126709-01A 9

VENTILATION AIR

Ventilation Air From Inside Building

This fresh air would come from an adjoining

unconfined space. When ventilating to an

adjoining unconned space, you must provide

two permanent openings: one within 12" of the

ceiling and one within 12" of the oor on the

wall connecting the two spaces (see options 1

and 2, Figure 4). You can also remove door into

adjoining room (see option 3, Figure 3). Follow

the National Fuel Gas Code, ANSI Z223.1/

NFPA 54, Air for Combustion and Ventilation for

required size of ventilation grills or ducts.

AIR FOR COMBUSTION AND VENTILATION

Continued

Figure 4 - Ventilation Air from Outdoors

Figure 3 - Ventilation Air from Inside

Building

Ventilation Air From Outdoors

Provide extra fresh air by using ventilation

grills or ducts. You must provide two perma-

nent openings: one within 12" of the ceiling

and one within 12" of the oor. Connect these

items directly to the outdoors or spaces open

to the outdoors. These spaces include attics

and crawl spaces. Follow the National Fuel

Gas Code, ANSI Z223.1/NFPA 54, Air for

Combustion and Ventilation for required size

of ventilation grills or ducts.

IMPORTANT: Do not provide openings for

inlet or outlet air into attic if attic has a thermo-

stat-controlled power vent. Heated air entering

the attic will activate the power vent.

INSTALLATION

Remove

Door into

Adjoining

Room,

Option

Ventilation Grills

Into Adjoining Room,

Option 2

Ventilation

Grills

Into Adjoining

Room,

Option 1

12"

Outlet

Air

Ventilated

Attic

Outlet

Air

Inlet

Air

Inlet Air Ventilated

Crawl Space

Crawl

Space

To Attic

WARNING: A qualied ser-

vice person must install rebox.

Follow all local codes.

WARNING: Never install the

rebox

• in a bedroom or bathroom*

• in a recreational vehicle

• where curtains, furniture, cloth-

ing or other ammable objects

are less than 36" from front or

42" from top of rebox. For

side clearances see Figure 5,

page 10

• in high trafc areas

• in windy or drafty areas

* Unless the installed log set is

rated at 10,000 Btu/Hr or less.

CAUTION: Log heaters

installed in this rebox create

warm air currents. These cur-

rents move heat to wall surfaces

next to rebox. Installing rebox

next to vinyl or cloth wall cover-

ings or operating rebox where

impurities (such as, but not

limited to, tobacco smoke, aro-

matic candles, cleaning uids,

oil or kerosene lamps, etc.) in

the air exist, may discolor walls

or cause odors.

www.SuperiorFireplaces.US.com 126709-01A10

IMPORTANT: Vent-free gas log heaters add

moisture to the air. Although this is benecial,

installing rebox in rooms without enough

ventilation air may cause mildew to form from

too much moisture. See Air for Combustion

and Ventilation, page 7.

IMPORTANT: Make sure firebox is level.

If rebox is not level, log set will not work

properly.

Note: Your rebox is designed to be used in

zero clearance installations. Wall or framing

material can be placed against any exterior

surface on rear, sides, top or bottom of rebox,

except where standoff spacers are integrally

attached. If standoff spacers are attached to

rebox, these spacers can be placed directly

against wall or framing materials.

Use dimensions shown for rough openings

to create the easiest installation (see Built-In

Firebox Installation, page 11).

INSTALLATION CLEARANCES

WARNING: Maintain the

minimum clearances. If you can,

provide greater clearances from

oor, ceiling and adjoining wall.

Carefully follow these instructions. This will

ensure safe installation.

Minimum Wall and Ceiling Clearances (see

Figure 5)

A. Clearances from side of replace cabinet

to any combustible material and wall

should follow diagram in Figure 5.

Example: The face of a mantel, bookshelf,

etc. is made of combustible material and

protrudes 3 1/2" from wall. This combus-

tible material must be 4" from side of

replace cabinet (see Figure 5).

B. Clearances from top of rebox opening to

ceiling should not be less than 42".

C. When rebox is installed on carpeting or

other combustible material, other than

wood ooring, rebox should be installed

on a metal or wood panel extending full

width and depth of enclosure.

D. Clearances from bottom of rebox to oor

is 0".

INSTALLATION

Continued

Figure 5 - Minimum Clearance for

Combustible to Wall

*Minimum 16" from Side Wall

These reboxes can be installed as freestand-

ing units against a wall with approved, optional

cabinet mantels (see Accessories, page 15)

or as a built-in unit. Clearances are the same

for either installation method.

CAUTION: Do not install re-

box directly on carpet or vinyl.

Example

Mantel Clearances for Built-In Installation

If placing custom mantel above built-in rebox,

you must meet minimum allowable clearance

between mantel shelf and top of rebox open-

ing shown in Figure 6, page 11. These are

minimum allowable mantel clearances for a

safe installation. Use larger clearances wher-

ever possible to minimize heating of objects

and materials placed on mantel.

CAUTION: Do not allow

vent-free gas log heater to

touch or extend beyond re-

place screen.

NOTICE: Surface temperatures

of adjacent walls and mantels

become hot during operation.

Walls and mantels above rebox

may become hot to the touch.

If installed properly, these tem-

peratures meet the requirement

of the national product standard.

Follow all minimum clearances

shown in this manual.

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