Superior VRT4536RS 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 126700-01 Rev.A 02/2014

PFS

Models

VRT4536RS

VRT4536RH

VRT4536WS

VRT4536WH

VRT4542RS

VRT4542RH

VRT4542WS

VRT4542WH

VRT4550RS

VRT4550RH

VRT4550WS

VRT4550WH

P126700-01

www.SuperiorFireplaces.US.com 126700-01A2

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.

TABLE OF CONTENTS

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

Local Codes......................................................... 4

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

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

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

Air For Combustion and Ventilation..................... 8

Installation ......................................................... 10

Firebrick Wall Installation................................... 14

Gas Line Installation.......................................... 15

Technical Service............................................... 17

Replacement Parts............................................ 17

Parts .................................................................. 18

Warranty ............................................................ 23

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

126700-01A 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 126700-01A4

State of Massachusetts: The installation

must be made by a licensed plumber

or gas fitter in the Commonwealth of

Massachusetts.

Sellers of unvented propane or natural

gas-fired 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.

PRODUCT FEATURES

OPERATION

This rebox is designed for use with approved

ANSI Z21.11.2 decorative type unvented room

heaters. (Physical size limitations apply. Refer

to minimum rebox requirements supplied

with log heater.) It requires no outside vent-

ing or chimney making installation easy and

inexpensive.

LOCAL CODES

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 11).

2. Everything needed to complete 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 8).

Install and use rebox 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

126700-01A 5

PRODUCT SPECIFICATIONS

36" MODELS

Figure 1 - 36" Models VRT4536WS and VRT4536WH

(Picture may vary from actual replace)

30 1/2"

29"

30"

11 1/8"

54 1/2"

7 7/8"7"

36"

45 1/8"

35/16"

97/16"

50"

365/16"

7 3/8"

111/8"

3 3/4"

4 7/8"

36" HEARTH

1 1/4"

20 1/4"

(Ref.)

35 1/4"

19"

22 1/2"

www.SuperiorFireplaces.US.com 126700-01A6

PRODUCT SPECIFICATIONS

Continued

42" MODELS

Figure 2 - 42" Models VRT4542WS and VRT4542WH

(Picture may vary from actual replace)

4 7/8"

54 1/2"

7 7/8"7"

36 5/16"

50"

42"

51 1/8"

32 3/8"

3 3/4"

30 5/16"

8 3/4"

13"

3 5/16"

9 7/16"

30"

11 1 /8"

42" HEARTH

1 1/4"

23"

(Ref.)

41 3/8"

26 3/8"

21 3/4"

www.SuperiorFireplaces.US.com

126700-01A 7

PRODUCT SPECIFICATIONS

Continued

50" MODELS

Figure 3 - 50" Models VRT4550WS and VRT4550WH

(Picture may vary from actual replace)

365/16"

50"

8 3/4"

13"

35/16"

97/16"

59 1/8"

50"

7 7/8"7"

30"

54 1/2"

11 1/8"

32 3/8"

3 3/4"

38 5/16"

4 7/8"

50" HEARTH

1 1/4"

23"

(Ref.)

49 3/8"

34 3/8"

21 3/4"

www.SuperiorFireplaces.US.com 126700-01A8

AIR FOR COMBUSTION AND VENTILATION

Unusually tight construction is dened as

construction where:

a. walls and ceilings exposed to the out-

side 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 of the three criteria

above, you must provide additional fresh

air. See Ventilation Air From Outdoors,

page 10.

If your home does not meet all of the three

criteria above, proceed to Determining

Fresh-Air Flow For Firebox Location.

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.

DETERMINING FRESH-AIR FLOW

FOR FIREBOX 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.

WARNING: This heater shall

not be installed in a room or space

unless the required volume of in-

door combustion air is provided

by the method described in the

National Fuel Gas Code, ANSI

Z223.1/NFPA54, 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 the cold air out and the warm air in. Dur-

ing heating months, home owners want their

homes as airtight as possible.

While it is good to make your home energy

efcient, your home ne eds to breathe. Fresh

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

pliances need fresh air for proper combustion

and ventilation.

Exhaust fans, replaces, 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.

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

The information on pages 8 through 10 will help

you classify your space and provide adequate

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 un-

usually tight construction, you must provide

additional fresh air.

www.SuperiorFireplaces.US.com

126700-01A 9

AIR FOR COMBUSTION AND VENTILATION

Continued

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) = 3,168 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 determine

the maximum Btu/Hr the space can support.

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

mum Btu/Hr the space can support)

Example: 3,168 cu. ft. (volume of space) x 20 =

63,360 (maximum Btu/Hr space can support)

3. Add the Btu/Hr of all fuel burning appliances

in the space.

Vent-free replace _________ 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 appliances.

Direct-vent draws combustion air from the

outdoors and vents to the outdoors.

Example:

Gas water heater _________ Btu/Hr

Vent-free replace + _________ Btu/Hr

Total = _________ Btu/Hr

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 example is a conned 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

unconned space, remove door to adjoining

room or add ventilation grills between rooms.

See Ventilation Air From Inside Building.

B. Vent room directly to the outdoors. See

Ventilation Air From Outdoors, page 10.

C. Install a lower Btu/Hr replace, if lower Btu/

Hr size makes room unconned.

Figure 4 - Ventilation Air from Inside

Building

Remove

Door into

Adjoining

Room,

Option

Ventilation Grills

Into Adjoining Room,

Option 2

Ventilation

Grills Into

Adjoining

Room,

Option 1

12"

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.

VENTILATION AIR

Ventilation Air From Inside Building

This fresh air would come from an adjoining

unconned 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 4 ).

Follow the National Fuel Gas Code, ANSI

Z223.1/NFPA 54, Air for Combustion and

Ventilation for required size of ventilation

grills or ducts.

40,000

39,000

79,000

www.SuperiorFireplaces.US.com 126700-01A10

Figure 5 - Ventilation Air from Outdoors

Outlet

Air

Ventilated

Attic

Outlet

Air

Inlet

Air

Inlet Air Ventilated

Crawl Space

Crawl

Space

To Attic

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.

WARNING: A qualied ser-

vice person must install rebox.

Follow all local codes.

WARNING: Never install

rebox

• in a bedroom or bathroom*

• in a recreational vehicle

• where curtains, furniture,

clothing, or other ammable

objects are less than 36" from

front or 42" from top of rebox;

for side clearances see Figure

4, page 11

• in high trafc areas

• in windy or drafty areas

* Unless installed log set is rated

at 10,000 Btu/Hr or less.

CAUTION: Log heaters

installed in this rebox create

warm air currents. These currents

move heat to wall surfaces next

to rebox. Installing rebox next

to vinyl or cloth wall coverings or

operating rebox where impuri-

ties (such as, but not limited to, to-

bacco smoke, aromatic candles,

cleaning uids, oil or kerosene

lamps, etc.) in the air exist, may

discolor walls or cause odors.

INSTALLATION

NOTICE: The rebox identica-

tion label (including model num-

ber, serial number, clearances,

etc.) is located on a chain under

the bottom refractory.

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, page 8.

IMPORTANT: Make sure the rebox 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 the rear, sides, top or bottom of

your rebox, except where standoff spacers

are integrally attached. If standoff spacers are

attached to your rebox, these spacers can

be placed directly against wall or framing ma-

terials. Use the dimensions shown for rough

opening to create the easiest installation.

Use dimensions shown for rough openings

to create the easiest installation (see Built-In

Firebox Installation, page 12).

AIR FOR COMBUSTION AND VENTILATION

Continued

This manual suits for next models

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