Superior VRL4543ZMN, VRL4543ZMP Installation And Operation Instructions Manual

PFS

US

Installation and Operation Instructions

P/N 126861-01 Rev. C 02/2015

REPORT NO. F11-054

P126861-01

INSTALLER: Leave this manual with the appliance.

®

Superior™

Models

VRL4543ZMN

Unvented (Vent-Free) Gas Fireplace

VRL4543ZMP

CONSUMER: Retain this manual for future reference.

This appliance may be installed in an aftermarket permanently located, manufactured (mobile) home, where not
prohibited by local codes. This appliance is only for use with the type of gas indicated on the rating plate. This
appliance is not convertible for use with other gases.

This is an unvented 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 Air for Combustion and Ventilation
section on page 5 of this manual.

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.

For more information, visit Superiorfireplaces.US.com

Thank you for your purchase. We appreciate your
business!

Please carefully read and follow all instructions in this manual. Pay
special attention to all warnings and safety information.

Following these safety, care, and operation instructions will help
ensure many years of dependable and enjoyable service from your
fireplace.

Register your product online today!

To help us keep you up-to-date on product information and
offers, please take a few moments to register your product on­line at Superiorfireplaces.US.com (Owner Resources/Product

Registration).
Please read and understand these instructions before installing

or operating.

SAFETY

TABLE OF CONTENTS

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

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

Requirements for the Commonwealth of Massachusetts............... 4

Product Identification .....................................................................4

Product Features ............................................................................5

Air for Combustion and Ventilation ................................................5

Installation .....................................................................................7

Gas Control Module System ........................................................15

Remote Control Operation ...........................................................16

Operating Fireplace ......................................................................19

Cleaning and Maintenance ..........................................................20

Inspecting Burners ......................................................................21

Specifications ...............................................................................21

Wiring Diagram ............................................................................22

Troubleshooting ...........................................................................23

Parts ............................................................................................26

Replacement Parts .......................................................................30

Service Hints ................................................................................30

Technical Service .........................................................................30

Accessories ..................................................................................30

Warranty ......................................................................................31

WARNING: Improper installation, adjustment,
alteration, service or maintenance can cause injury
or property damage. Refer to this manual for correct
installation and operational procedures. For assis­tance or additional information consult a qualified
installer, service agency or the gas supplier.

WARNING: This is an unvented 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 Air for
Combustion and Ventilation section on page 5 of
this manual.

This appliance may be installed in an aftermarket,*
permanently located, manufactured (mobile) home,
where not prohibited by local codes.

This appliance is only for use with the type of gas
indicated on the rating plate. This appliance is not
convertible for use with other gases.

IMPORTANT: Read this owner’s manual carefully and
completely before trying to assemble, operate or
service this heater. Improper use of this heater can
cause serious injury or death from burns, fire, explo­sion, electrical shock and carbon monoxide poisoning.

DANGER: Carbon monoxide poisoning may lead

to death!

Carbon Monoxide Poisoning: Early signs of carbon monoxide poison-

ing resemble the flu, with headaches, dizziness or nausea. If you have
these signs, the heater may not be working properly. Get fresh air at
once! Have heater serviced. Some people are more affected by carbon
monoxide than others. These include pregnant women, people with
heart or lung disease or anemia, those under the influence of alcohol
and those at high altitudes.

Natural and Propane/LP Gas: Natural and propane/LP gases are
odorless. An odor-making agent is added to the gas. The odor helps
you detect a gas leak. However, the odor added to the gas can fade.
Gas may be present even though no odor exists.

Make certain you read and understand all warnings. Keep this manual
for reference. It is your guide to safe and proper operation of this
heater.

* Aftermarket: Completion of sale, not for purpose of resale,

from the manufacturer

WARNING: This product contains and/or generates
chemicals known to the State of California to cause
cancer or birth defects or other reproductive harm.

2

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WARNING: Any change to this heater or its controls

can be dangerous.

WARNING: Do not allow fans to blow directly into the
fireplace. Avoid any drafts that alter burner flame pat­terns. Ceiling fans can create drafts that alter burner flame
patterns. Altered burner patterns can cause sooting.

126861-01C

SAFETY Continued

WARNING: Do not use a blower insert, heat ex­changer insert or other accessory not approved for
use with this heater.

Due to high temperatures, the appliance should be
located out of traffic and away from furniture and
draperies.

Do not place clothing or other flammable material
on or near the appliance. Never place any objects
on the heater.

Fireplace become very hot when running fireplace.
Keep children and adults away from hot surfaces to
avoid burns or clothing ignition. Fireplace will remain
hot for a time after shutdown. Allow surfaces to cool
before touching.

Carefully supervise young children when they are
in the room with fireplace. When using the remote
control, keep selector switch in the OFF position to
prevent children from turning on burners with remote.

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

9. Before using furniture polish, wax, carpet cleaner, or similar
products, turn heater off. If heated, the vapors from these prod­ucts may create a white powder residue within burner box or on
adjacent walls or furniture.

10. This fireplace needs fresh air ventilation to run properly. This
fireplace has an Oxygen Depletion Sensing (ODS) safety shutoff
system. The ODS shuts down the fireplace if not enough fresh
air is available. See Air for Combustion and Ventilation, page 5.
If fireplace keeps shutting off, see Troubleshooting, page 23.

11. Do not run fireplace

•whereammableliquidsorvaporsareusedorstored.

•underdustyconditions.

12. Do not use this fireplace to cook food or burn paper or other
objects.

13. Do not use fireplace if any part has been under water. Immediately
call a qualified service technician to inspect the room fireplace
and to replace any part of the control system and any gas control
which has been under water.

14. Turn off and unplug fireplace and let cool before servicing. Only
a qualified service person should service and repair fireplace.

15. Operating fireplace above elevations of 4,500 feet could cause
pilot outage.

16. To prevent performance problems, do not use propane/LP fuel
tank of less than 100 lbs. capacity (propane/LP only).

17. Provide adequate clearances around air openings.

18. The screen or any other part removed for servicing must be
replaced prior to operating this heater.

LOCAL CODES

1. This appliance is only for use with type of gas indicated on rating
plate. This appliance is not convertible for use with other gases.

2. Do not place propane/LP supply tank(s) inside any structure.
Locate propane/LP supply tank(s) outdoors (propane/LP only).

3. 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.

Followthegassupplier’sinstructions

•ifyoucannotreachyourgassupplier,calltheredepartment

4. This fireplace shall not be installed in a bedroom or bathroom.

5. Do not use this fireplace as a wood-burning fireplace. Use only
the logs provided with the fireplace.

6. Do not add extra logs or ornaments such as pine cones, vermicu­lite, or rock wool. Using these added items can cause sooting.
Do not add lava rock around base. Rock and debris could fall into
the control area of fireplace.

7. This fireplace is designed to be smokeless. If logs ever appear to
smoke, turn off fireplace and call a qualified service person.

Note: During initial operation, slight smoking could occur due to

log curing and fireplace burning manufacturing residues.

8. To prevent the creation of soot, follow the instructions in Cleaning
and Maintenance, page 20.

Install and use fireplace 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*.

*Available from:

American National Standards Institute, Inc.

1430 Broadway

New York, NY 10018

National Fire Protection Association, Inc.

Batterymarch Park
Quincy, MA 02269

126861-01C

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3

SAFETY Continued

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.

COMMONWEALTH OF MASSACHUSETTS REQUIRE­MENTS

These appliances are approved for installation in the US state of Mas­sachusetts if the following additional requirements are met:

• Un-vented Room Heaters shall be installed in accordance with
527 CMR 30.

• Installation and repair must be done by a plumber or gas fitter
licensed in the Commonwealth of Massachusetts.

• The flexible gas line connector used shall not exceed 36 inches
(92 centimeters) in length.

• The individual manual shut-off must be a T-handle type valve.

• Unvented appliances may NOT be installed in bedrooms or bath-

rooms.

• A working smoke detector must be installed in the area where
vent-free appliances are installed.

• Seller 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.

Left
Side

Front

PRODUCT IDENTIFICATION

Top
Spacers

Right
Side

Nailing
Flange

Pebble Pan

Access Door

Figure 1 - Vent Free VRL4543 Fireplace

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126861-01C

PRODUCT FEATURES

OPERATION

This vent-free fireplace is clean burning. It requires no outside
venting. There is no heat loss out a vent or up a chimney. Heat is
generated by both realistic flames. This heater is designed for vent­free operation. It has been tested and approved to ANSI Z21.11.2
standard for unvented heaters. State and local codes in some areas
prohibit the use of vent-free heaters.

AIR FOR COMBUSTION AND VENTILATION

WARNING: This heater shall not be installed in a
room or space unless the required volume of indoor
combustion air is provided by the method described
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 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, fireplaces, 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
classifications:

1. Unusually Tight Construction

2. Unconfined Space

3. Confined Space
The information on pages 5 through 6 will help you classify your

space and provide adequate ventilation.

SAFETY DEVICE

This fireplace has a pilot with an Oxygen Depletion Sensing (ODS)
safety shutoff system. The ODS/pilot is a required feature for vent-free
room heaters. The ODS/pilot system shuts off the fireplace if there is
not enough fresh air.

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 (6 x

-11

10

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 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 6.

If your home does not meet all of the three criteria above, proceed to
Determining Fresh-Air Flow For Heater Location, page 6.

Confined and Unconfined Space

The National Fuel Gas Code, ANSI Z223.1/NFPA 54 defines a con­fined 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 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 (4.8 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 unconfined space.

* Adjoining rooms are communicating only if there are doorless
passageways or ventilation grills between them.

126861-01C

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5

Outlet
Air

Ventilated
Attic

Outlet
Air

Inlet
Air

Inlet Air

Ventilated

Crawl Space

To

Crawl

Space

To Attic

Or

Remove
Door into
Adjoining

Room,
Option

3

Ventilation Grills

Into Adjoining Room,

Option 2

Ventilation

Grills

Into Adjoining

Room,

Option 1

12"

12"

AIR FOR COMBUSTION AND VENTILATION Continued

DETERMINING FRESH-AIR FLOW FOR FIREPLACE LOCATION

Determining if You Have a Confined or Unconfined Space
Use this work sheet to determine if you have a confined or uncon­fined space.

Space: Includes the room in which you will install fireplace 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 20 ft. (length) x 16 ft. (width) x 8 ft. (ceiling

height) = 2,560 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 = (Maximum Btu/Hr the space

can support)
Example: 2,560 cu. ft. (volume of space) x 20 = 51,200 (maximum

Btu/Hr the space can support)

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

Vent-free fireplace ________Btu/Hr
Gas water heater* ________Btu/Hr
Gas furnace ________Btu/Hr
Vented gas heater ________Btu/Hr
Gas fireplace 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 40,000 Btu/Hr
Vent-free fireplace + 33,000 Btu/Hr
Total = 73,000 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: 51,200 Btu/Hr (maximum the space can support)
73,000 Btu/Hr (actual amount of Btu/Hr used)
The space in the 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.

B. Vent room directly to the outdoors. See Ventilation Air From

Outdoors.

C. Install a lower Btu/Hr fireplace, 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.

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WARNING: If the area in which the heater may be
operated does not meet the required volume for indoor
combustion air, combustion and ventilation air shall
be provided by one of the methods described in the
National Fuel Gas Code, ANSI Z223.1/NFPA 54, the
International Fuel Gas Code, or applicable local codes.

VENTILATION AIR

Ventilation Air From Inside Building

This fresh air would come from an adjoining unconfined space. When
ventilating to an adjoining unconfined space, you must provide two per­manent openings: one within 12" of the ceiling and one within 12" of the
floor on the wall connecting the two spaces (see options 1 and 2, Figure

2). You can also remove door into adjoining room (see option 3, Figure

2). Follow the National Fuel Gas Code, ANSI Z223.1/NFPA 54, Air for
Combustion and Ventilation for required size of ventilation grills or ducts.

Figure 2 - Ventilation Air from Inside Building (Fireplace may

differ from actual model)

Ventilation Air From Outdoors

Provide extra fresh air by using ventilation grills or ducts. You must
provide two permanent openings: one within 12" of the ceiling and one
within 12" of the floor. 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 thermostat-controlled power vent. Heated air entering
the attic will activate the power vent.

Figure 3 - Ventilation Air from Outdoors (Fireplace may differ

from actual model)

126861-01C

53.25"

38"

15.25"

INSTALLATION

NOTICE: This heater is intended for use as supple­mental heat. Use this heater along with your primary
heating system. Do not install this heater as your
primary heat source. If you have a central heating
system, you may run system’s circulating blower
while using heater. This will help circulate the heat
throughout the house.

WARNING: A qualified service person must install

fireplace. Follow all local codes.

WARNING: Never install the fireplace

•inabedroomorbathroom

•inarecreationalvehicle

•where curtains,furniture, clothingor otheram-

mable objects are less than 36" from the front and
42" top of fireplace. For side clearances see Figure
7, page 8

•inhightrafcareas

•inwindyordraftyareas

CAUTION: This fireplace creates warm air cur­rents. These currents move heat to wall surfaces next
to fireplace. Installing fireplace next to vinyl or cloth
wall coverings or operating heater where impurities
(such as, but not limited to, tobacco smoke, aromatic
candles, cleaning fluids, oil or kerosene lamps, etc.)
in the air exist, may discolor walls or cause odors.

INSTALLATION CLEARANCES

WARNING: Maintain the minimum clearances. If
you can, provide greater clearances from floor, ceiling
and adjoining wall.

Carefully follow the instructions below. This will ensure safe instal­lation.

CLEARANCES

Minimum clearances to combustibles for the fireplace are as follows:
*Back and sides 1"

Perpendicular walls 8"
Floor (From bottom of Fireplace) 0"
Ceiling (From top of opening) 42"
Top of Standoffs 0"
* For back and sides of fireplace, do not pack with insulation or
other materials.

FRAMING AND FINISHING

Figure 4 shows a typical framing of this fireplace. Figure 5 page 8
shows framing for see-thru installation. All minimum clearances
must be met. Steel framing may be necessary or wood studs may be
notched. Concrete board is provided for facing around the fireplace
as shown in Figure 6 page 8.

If you are using a separate combustible mantel piece, refer to Figure 7,
page 8 for proper installation height. You can install noncombustible
mantels at any height above the fireplace.

Note: Noncombustible mantels may discolor!

17.50"

Note: Standoff spacers are attached to the sides and top of your
fireplace, these spacers can be placed directly against wall or fram­ing materials.

Use the dimensions shown for rough openings to create the easiest
installation as shown in Figure 4.

IMPORTANT: Vent-free heaters add moisture to the air. Although this
is beneficial, installing fireplace in rooms without enough ventilation
air may cause mildew to form from too much moisture. See Air for
Combustion and Ventilation, page 5.

CHECK GAS TYPE

Use the correct gas type (natural or propane/LP) for your fire­place. If your gas supply is not correct, do not install fireplace.
Call dealer where you bought fireplace for proper type fireplace.

WARNING: This appliance is equipped for either
natural gas or propane/LP gas but not both. Gas type
is indicated on the rating plate. Field conversion is
not permitted.

126861-01C

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38"

53.25"

Figure 4 - Framing Clearances for One Sided Application

7

INSTALLATION Continued

15.25"

38"

53.25"

Figure 5 - Framing Clearances for See-Thru Application

Note: All vertical
measurements are
from top of fireplace
hood opening to
bottom of mantel
shelf.

A

B

C

D

Noncombustible
material may project
off this surface above
the firebox hood

Supplied firebox
hood must be
used at all times.

1

2

Wall

3

4

5

E

Concrete
Board

Ref.

1 12" A 24"
2 9" B 21"
3 6" C 18"
4 4" D 16"
5 2" E 14"

4" to Face Opening

Mantel

Depth Ref.

Mantel

from Top

of Opening

TOP VIEW

Combustible
Material May
Be Used

SAFE
ZONE

8"

5"

33°

Perpendicular
Wall

Figure 6 - Installing Concrete Board

8

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Figure 7 - Clearances for Combustible Mantels

126861-01C

INSTALLATION Continued

1"

29 13/16"

Gas Line

Access

8 1/4"

1"

44 1/16"

1 13/16"

52"

47"

55 1/16"

126861-01C

11 13/16"

16 1/2"

17 1/2"

5/8"

8 1/4"

Figure 8 - VRL4543 Series Dimensions

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16 9/32"

29 25/32"

7 1/32"

Gas Line

Access

Electrical

Outlet

9

INSTALLATION Continued

Mantel Clearances for Built-In Installation

If placing mantel above built-in fireplace, you must meet minimum
clearance between mantel shelf and top of fireplace opening.

NOTICE: If your installation does not meet the minimum
clearances shown, you must do one of the following:

•raisethemanteltoanacceptableheight

•removethemantel

NOTICE: Surface temperatures of adjacent walls and
mantels become hot during operation. Walls and
mantels above the firebox may become hot to the
touch. If installed properly, these temperatures meet
the requirement of the national product standard. Fol­low all minimum clearances shown in this manual.

ELECTRICAL WIRING INSTRUCTIONS

1. Remove electrical cover plate with bushing from left side of
fireplace front by removing 2 sheet metal screws as shown in
Figure 9.

2. Slide power source wiring through electrical bushing opening
and electrical cover plate and make all necessary connections.

3. Slide all wiring connections in electrical housing as shown in
Figure 9.

4. Secure electrical cover plate with screws previously removed.

Note: Electrical housing and cover plate have sharp edges. Wear
protective gloves.

Sheet
Metal
Screws

Electrical
Cover
Plate

Wire Nut (3x)
(Not Supplied)

Power Source Wiring
(Not Supplied)

To Power
Source

Electrical Cover
Plate and
Electrical Bushing

Outer Wrapper
of Fireplace

Electrical
Housing

Receptacle
(Supplied)

Ground
(16GA Green)

Electrical
Bushing

14GA
Black &
White

CHECK GAS TYPE

Use proper gas type for the fireplace unit you are installing. If you
have conflicting gas types, do not install fireplace. See retailer where
you purchased the fireplace for proper fireplace according to your
gas type.

INSTALLING GAS PIPING TO FIREPLACE LOCATION

WARNING: A qualified service person must con-

nect fireplace to gas supply. Follow all local codes.

CAUTION: Never connect propane/LP fireplace di­rectly to the propane/LP supply. This fireplace requires
an external regulator (not supplied). Install the external
regulator between the fireplace and propane/LP supply.

WARNING: Never connect natural gas fireplace
to private (non-utility) gas wells. This gas is com­monly known as wellhead gas.

Installation Items Needed

Before installing fireplace, make sure you have the items listed below.

• externalregulatorforpropane/LPunitonly(suppliedbyinstaller)

• piping(checklocalcodes)

• sealant(resistanttopropane/LPgas)

• equipmentshutoffvalve*

• testgaugeconnection*

• sedimenttrap(optional)

• teejoint

• pipewrench

• approvedexiblegaslinewithgasconnector(ifallowedbylocal

codes) (not provided)

* An equipment shutoff valve with 1/8" NPT tap is an acceptable
alternative to test gauge connection. Purchase the optional equipment
shutoff valve from your dealer.

For propane/LP units, the installer must supply an external regulator.
The external regulator will reduce incoming gas pressure. You must
reduce incoming gas pressure to between 11" and 14" of water. If
you do not reduce incoming gas pressure, heater regulator damage
could occur. Install external regulator with the vent pointing down
as shown in Figure 10, page 11. Pointing the vent down protects it
from freezing rain or sleet.

CAUTION: Use only new, black iron or steel pipe.
Internally-tinned copper tubing may be used in cer­tain areas. Check your local codes. Use pipe of 1/2"
diameter or greater to allow proper gas volume to
fireplace. If pipe is too small, undue loss of volume
will occur.

Figure 9 - Connecting Electricity

10

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