Desa EFS33NRA Quick start guide

Save this manual for future reference.

For more information, visit www.desatech.com

WARNING: If the information in this manual is not fol-

lowed 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 quali-

ﬁed installer, service agency or the gas supplier.

UNVENTED (VENT-FREE) GAS FIREPLACE

OWNER’S OPERATION AND INSTALLATION MANUAL

Shown with optional cabinet mantel, hearth base and trim accessories.

EFS33NR, EFS33NRA, EFS33PR, EFS33PRA

VSGF33NR, VSGF33NRA, VSGF33PR, VSGF33PRA

REMOTE-READY FIREPLACE SYSTEM

www.desatech.com 107172-01K2

WARNING: Improper installation, adjustment, altera-

tion, service or maintenance can cause injury or prop-

erty damage. Refer to this manual for correct installation

and operational procedures. For assistance or addi-

tional 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. Provi-

sions for adequate combustion and ventilation air must

be provided. Refer to Air for Combustion and Ventilation

section on page 6 of this manual.

This appliance may be installed in an aftermarket,* per-

manently located, manufactured (mobile) home, where

not prohibited by local codes.

This appliance is only for use with the type of gas indi-

cated on the rating plate. This appliance is not convert-

ible for use with other gases.

* Aftermarket: Completion of sale, not for purpose of resale, from the manufacturer

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 Common-

wealth of Massachusetts.

TABLE OF CONTENTS

Safety Information ............................................... 3

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

Local Codes ........................................................ 5

Unpacking ........................................................... 5

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

Air For Combustion and Ventilation ..................... 6

Installation ........................................................... 8

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

Inspecting Burners ............................................ 22

Cleaning and Maintenance ................................ 23

Wiring Diagram .................................................. 24

Speciﬁcations .................................................... 24

Troubleshooting ................................................. 25

Replacement Parts ............................................ 29

Service Hints ..................................................... 29

Technical Service .............................................. 29

Illustrated Parts Breakdown and Parts List ....... 30

Accessories ....................................................... 34

Warranty Information ......................................... 36

www.desatech.com

107172-01K 3

SAFETY INFORMATION

WARNING: This product con-

tains and/or generates chemicals

known to the State of California

to cause cancer or birth defects

or other reproductive harm.

IMPORTANT: Read this owner’s

manual carefully and completely

before trying to assemble, op-

erate or service this ﬁreplace.

Improper use of this ﬁreplace

can cause serious injury or

death from burns, ﬁre, explo-

sion, electrical shock and carbon

monoxide poisoning.

DANGER: Carbon monoxide

poisoning may lead to death!

Carbon Monoxide Poisoning: Early signs of carbon

monoxide poisoning resemble the ﬂu, with head-

aches, 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 pro-

pane/LP gases are odorless. An odor-making

agent is added to these gases. 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 warn-

ings. Keep this manual for reference. It is your

guide to safe and proper operation of this heater.

WARNING: Any change to

this heater 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 heater.

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.

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 front and screen be-

come very hot when running ﬁre-

place. Keep children and adults

away from hot surfaces to avoid

burns or clothing ignition. Fire-

place 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 ﬁreplace. When using the

hand-held remote accessory,

keep selector switch in the OFF

position to prevent children

from turning on burners with

remote.

You must operate this ﬁreplace

with a ﬁreplace screen and hood

in place. Make sure ﬁreplace

screen and hood are in place

before running heater.

Keep the appliance area clear

and free from combustible ma-

terials, gasoline and other ﬂam-

mable vapors and liquids.

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1. 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.

2. Do not place propane/LP supply tank(s) in-

side any structure. Locate propane/LP supply

tank(s) outdoors (propane/LP units 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 neighborʼs phone. Follow the gas

supplierʼs instructions

• if you cannot reach your gas supplier, call

the ﬁre department

4. This ﬁreplace shall not be installed in a bed-

room 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. To prevent the creation of soot, follow the

instructions in Cleaning and Maintenance,

page 23.

8. 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.

9. This ﬁreplace needs fresh air ventilation to run

properly. This ﬁreplace has an Oxygen Deple-

tion Sensing (ODS) safety shutoff system. The

ODS shuts down the ﬁreplace if enough fresh

air is not available. See Air for Combustion

and Ventilation, page 6. If ﬁreplace keeps

shutting off, see Troubleshooting, page 25.

10. Do not run ﬁreplace

• where ﬂammable liquids or vapors are

used or stored

• under dusty conditions

11. Do not use this ﬁreplace to cook food or burn

paper or other objects.

12. Do not use ﬁreplace if any part has been exposed

to or under water. Immediately call a qualiﬁed

service technician to inspect the ﬁreplace and to

replace any part of the control system and any

gas control which has been under water.

SAFETY INFORMATION

Continued

13. Do not operate ﬁreplace if any log is broken.

Do not operate ﬁreplace if a log is chipped

(dime-sized or larger).

14. Turn ﬁreplace off 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 in propane/LP

units, do not use propane/LP fuel tanks of less

than 100 lbs. capacity (propane/LP units only).

17. Provide adequate clearances around air openings.

PRODUCT IDENTIFICATION

Optional Blower

Assembly

(Not Included)

Optional

Remote

Control

Top Louver

Assembly

Fireplace

Hood

Bottom Louver Assembly

Screen

Assembly

Top Outer

Casing

Firebox

Support

Figure 2 - Fireplace (VSGF33NRA Shown)

Figure 1 - Log Base Assembly

(VSGF33NRA Shown)

Front

Log

Rear Log

Middle Log

Base Assembly

Front

Burner

Piezo

Ignitor

Rear Burner

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107172-01K 5

LOCAL CODES

Install and use heater with care. Follow all local

codes. In the absence of local codes, use the lat-

est 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

Note: Where listed vented decorative logs are

required, thermostat operation is not permitted.

UNPACKING

CAUTION: Do not remove the

data plates attached to the heater

base assembly. The data plates

contain important warranty and

safety information.

1. With utility knife, cut the carton all the way

around above the staples on the bottom tray.

Lift the carton off the heater. Remove packing.

Note: The hood is located in the packing on

the right hand side of the heater front. Lift the

heater off the bottom tray.

2. Locate two screws above top corners of the

ﬁreplace screen. Remove and discard these

screws. Lift ﬁreplace screen up and pull out

to remove.

3. Remove protective packaging applied to logs,

log base assembly and ﬁreplace.

4. Remove ﬁreplace hood from carton insert.

5. Check all items for any shipping damage. If

damaged, promptly inform dealer where you

bought ﬁreplace.

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 and glowing embers. When used

without the optional blower, the ﬁreplace requires

no electricity making it ideal for emergency

backup heat.

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 heat-

ers. The ODS/pilot system shuts off the ﬁreplace

if there is not enough fresh air.

PIEZO IGNITION SYSTEM

This ﬁreplace has a piezo ignitor. This system

requires no matches, batteries or other sources to

light ﬁreplace.

OPTIONAL REMOTE CONTROL

ACCESSORY

There are four optional remote controls (not

included) that can be purchased separately for

this log heater:

• wall switch

• wall thermostat

• hand-held ON/OFF remote

• hand-held thermostat remote

See Accessories, page 34.

OPTIONAL BLOWER ASSEMBLY

ACCESSORY

This ﬁreplace accepts an optional blower assembly

(not included). The GA3700TA Series blower

operates thermostatically and features a variable

speed control. The GA3700 Series operates manu-

ally and also features a variable speed control. The

blower circulates heated air from the ﬁreplace into

the room. Use of blower is optional. See Acces-

sories, page 34.

www.desatech.com 107172-01K6

Unusually tight construction is deﬁned 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 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 7.

If your home does not meet all of the three

criteria above, proceed to Determining

Fresh-Air Flow For Heater Location.

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 com-

municating 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.

DETERMINING FRESH-AIR FLOW

FOR HEATER 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

heater plus any adjoining rooms with doorless pas-

sageways 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)

AIR FOR COMBUSTION

AND VENTILATION

WARNING: This heater shall

not be installed in a conﬁned

space or unusually tight con-

struction unless provisions are

provided for adequate combus-

tion and ventilation air. Read the

following instructions to insure

proper fresh air for this and

other fuel-burning appliances

in your home.

Todayʼs homes are built more energy efﬁcient

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, Section 5.3,

Air for Combustion and Ventilation.

All spaces in homes fall into one of the three fol-

lowing ventilation classiﬁcations:

1. Unusually Tight Construction

2. Unconﬁned Space

3. Conﬁned Space

The information on pages 6 through 8 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 unusually

tight construction, you must provide additional

fresh air.

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107172-01K 7

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 = (Maxi-

mum Btu/Hr the space can support)

Example: 2,560 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 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. Di-

rect-vent draws combustion air from the outdoors

and vents to the outdoors.

Example:

Gas water heater __________ Btu/Hr

Vent-free ﬁreplace +

__________ 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)

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 ad-

ditional fresh air. Your options are as follows:

A. Rework worksheet, adding the space of an adjoin-

ing 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 Ventila-

tion Air From Outdoors.

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

size makes room unconﬁned.

AIR FOR COMBUSTION

AND VENTILATION

Continued

40,000

33,000

73,000

If the actual Btu/Hr used is less than the maximum

Btu/Hr the space can support, the space is an uncon-

ﬁned space. You will need no additional fresh air

ventilation.

WARNING: If the area in

which the heater may be oper-

ated is smaller than that deﬁned

as an unconﬁned space or if the

building is of unusually tight

construction, provide adequate

combustion and ventilation air

by one of the methods described

in the National Fuel Gas Code,

ANSI Z223.1/NFPA 54 Section 5.3

or applicable local codes.

VENTILATION AIR

Ventilation Air From Inside Building

This fresh air would come from an adjoining un-

conﬁned 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 3). You

can also remove door into adjoining room (see

option 3, Figure 3). Follow the National Fuel Gas

Code, ANSI Z223.1/NFPA 54, Section 5.3, Air for

Combustion and Ventilation for required size of

ventilation grills or ducts.

Figure 3 - 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"

www.desatech.com 107172-01K8

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 pri-

mary 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. In the event of a power

outage, you can use this heater

as your primary heat source.

WARNING: A qualiﬁed ser-

vice person must install heater.

Follow all local codes.

WARNING: Never install the

ﬁreplace

• in a bedroom or bathroom

• in a recreational vehicle

• where curtains, furniture, cloth-

ing or other ﬂammable objects

are less than 42 inches from the

front, top or sides of the heater

• in high trafﬁc areas

• in windy or drafty areas

CAUTION: This heater cre-

ates warm air currents. These

currents move heat to wall sur-

faces next to heater. Installing

heater next to vinyl or cloth wall

coverings or operating heater

where impurities (such as, but

not limited to, tobacco smoke,

aromatic candles, cleaning ﬂu-

ids, oil or kerosene lamps, etc.) in

the air exist, may discolor walls

or cause odors.

Note: Your ﬁreplace is designed to be used in zero

clearance installations. Wall or framing material

can be placed directly against any exterior surface

on the rear, sides or top of your ﬁreplace, except

where standoff spacers are integrally attached. If

standoff spacers are attached to 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. See Built-In Fire-

place Installation, page 11.

IMPORTANT: Vent-free heaters add moisture to

the air. Although this is beneﬁcial, installing ﬁre-

place in rooms without enough ventilation air may

cause mildew to form from too much moisture.

See Air for Combustion and Ventilation, pages 6.

IMPORTANT: Make sure the ﬁreplace is level.

If ﬁreplace is not level, log set will not work

properly.

CHECK GAS TYPE

Use the correct gas type (natural or propane/LP)

for your ﬁreplace. If your gas supply is not cor-

rect, do not install ﬁreplace. Call dealer where you

bought ﬁreplace for proper type ﬁreplace.

Figure 4 - Ventilation Air from Outdoors

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,

Section 5.3, 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.

AIR FOR COMBUSTION

AND VENTILATION

Continued

Outlet

Air

Ventilated

Attic

Outlet

Inlet

Air

Inlet Air Ventilated

Crawl Space

Crawl

Space

To Attic

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107172-01K 9

WARNING: This appliance

is equipped for (natural or pro-

pane/LP) gas. Field conversion

is not permitted.

ELECTRICAL HOOKUP

(Models GA3700 Series and GA3700T

Series Blower Accessories and GA3555

Internal Duplex Kit)

This ﬁreplace accepts a blower assembly with an

electrical cord. The electrical cord is ﬁve feet in

length. You must locate ﬁreplace within reach of

a 120 volt grounded electrical outlet. If not, you

must install an electrical outlet within reach of

ﬁreplace power cord. The GA3555 outlet acces-

sory may be used for built-in applications with

blower accessory installed.

INSTALLING HOOD

Install hood to rail already installed in ﬁreplace

as shown in Figure 5. Use 3 Phillips screws

provided.

INSTALLATION

Continued

Figure 5 - Installing Hood

Screw

Hood

Rail

Figure 7 - Attaching Brass Trim to

Fireplace (VSGF33NRA Shown)

Figure 6 - Assembling Brass Trim

Side Brass

Trim

Top

Brass

Trim

Slot

Mitered Edge

Slot

Shim

Set Screws

Adjusting

Plate

Trim

Hanging

Screws

Assembled

Brass Trim

Hanging

Notches

on Trim

ASSEMBLING AND ATTACHING

OPTIONAL BRASS TRIM

(Included with Mantel Accessory)

IMPORTANT: If you are recessing the ﬁrebox in

a wall, do not attach brass trim at this time. See

Built-In Fireplace Installation, page 11.

Note: The instructions below show assembling

and attaching brass trim to ﬁreplace.

Remove packaging from three pieces of brass trim.

Locate four brass screws, two adjusting plates with

set screws and two shims in the hardware packet.

3. Align shim under adjusting plate as shown in

Figure 6.

4. Slide one end of adjusting plate/shim in slot on

mitered edge of top brass trim (see Figure 6).

5. Slide other end of adjusting plate/shim in slot on

mitered edge of side brass trim (see Figure 6).

6. While ﬁrmly holding edges of brass trim to-

gether, tighten both set screws on the adjusting

plate with slotted screwdriver.

7. Repeat steps 1 through 6 for other side.

8. Tighten trim hanging screws (#10 x 6.25

shoulder) into holes in cabinets. Place the

assembled trim onto ﬁreplace cabinet. Align

hanging notches on trim with hanging screws

on side of ﬁreplace (see Figure 7). Push trim

ﬁrmly into place, sliding hanging notches over

hanging screws.

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INSTALLATION

Continued

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.

Minimum Clearances For Side

Combustible Material, Side Wall and

Ceiling

A. Clearances from the side of the fireplace

cabinet to any combustible material and wall

should follow diagram in Figure 8.

Example: The face of a mantel, bookshelf,

etc. is made of combustible material and

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

tible material must be 4" from the side of the

ﬁreplace opening (see Figure 8).

B. Clearances from the top of the ﬁreplace open-

ing to the ceiling should not be less than 42

inches.

*Minimum 16 inches from Side Wall

Example

Figure 8 - Minimum Clearance for

Combustible to Wall

CONVENTIONAL FIREPLACE

INSTALLATION

Conventional installation of this ﬁreplace involves

installing ﬁreplace along with the corner, face or

cabinet mantel with hearth base accessories against

a wall in your home. Follow the instructions in

this section to install the ﬁreplace in this manner.

Note: The instructions in this section show instal-

lation using the cabinet mantel and the GC3333F/

GC3334U/G3004W/GC3335F/G3007U series

hearth base accessories. The hearth base accessory

shown is optional for this installation. You can

install ﬁreplace and cabinet/corner mantel directly

on the ﬂoor. The corner mantel accessory cannot be

installed with the GC3333F/GC3334U/G3004W/

GC3335F/G3007U hearth base. The corner mantel

can be paired with the G3008F/G3009U/G3010F

corner hearth base. If mounting ﬁreplace and cabinet

or corner mantel to the ﬂoor, an optional G3005J/

3005S/3005B Slim Base kit may be installed.

1. Assemble cabinet mantel, hearth base and

trim accessories. Assembly instructions are

included with each accessory.

2. When installing blower, install a properly

grounded, 120 volt three-prong electrical out-

let at ﬁreplace location if an outlet is not there.

If possible, locate outlet so cabinet mantel will

cover it when installed (see Figure 9).

Install gas piping to ﬁreplace location. This in-

stallation includes an approved ﬂexible gas line

(if allowed by local codes) after the equipment

shutoff valve. The ﬂexible gas line must be the

last item installed on the gas piping. See Install-

ing Gas Piping to Fireplace Location, page 13.

4. Place hearth base accessory against wall at instal-

lation location. Cut an access hole in hearth top

to run ﬂexible gas line to ﬁreplace (see Figure

9). Make sure to locate access hole so cabinet

mantel will cover it when installed. Note: You

can secure base to ﬂoor using wood screws.

Countersink screw heads and putty over.

MINIMUM CLEARANCE TO

COMBUSTIBLE MATERIALS

Top Left and Bottom

Right Sides and Rear

0" 16" 0"

Figure 9 - Placing Hearth Base

Accessory Against Wall

Electrical Outlet

Hearth Base

Rigid Pipe and Gas

Shutoff Valve

Gas Line Access Hole

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