Comfort Flame River Canyon 24FMN, River Canyon 24FMP, RiverCyn24FMN, RiverCyn24FMP Installation And Operation Instructions Manual

Installation and Operation Instructions

USC

TM

P900557-00

River CanyonTM Unvented (Vent-Free) Gas Log Appliances

P/N 900557-00 Rev. NC 12/2015

®

Report No. F09-126

INSTALLER: Leave this manual with the appliance.
CONSUMER: Retain this manual for future reference.

Models

RiverCyn24FMN

MODELS WITH REMOTE CONTROL

LOG AND BURNER SETS:

RIVERCYN24FMN AND RIVERCYN24FMP

Also Design-Certified As Vented Decorative Appliances

RiverCyn24FMP

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:

FIRE OR EXPLOSION HAZARD
Failure to follow safety warnings exactly could result in serious injury, death, or property damage.

- 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.

• Leave the building immediately.

• 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.

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
appliance.

Please read and understand these instructions before installing or
operating.

TABLE OF CONTENTS

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

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

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

Unpacking ...................................................................................... 4

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

Air For Combustion and Ventilation................................................5

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

Operation ..................................................................................... 15

Cleaning and Maintenance ........................................................... 17

Inspecting Burners ....................................................................... 17

Replacement Parts ....................................................................... 19

Wiring Diagram ............................................................................ 19

Specifications ............................................................................... 19

Service Hints ................................................................................ 19

Technical Service ......................................................................... 19

Troubleshooting ........................................................................... 20

Parts ............................................................................................ 23

Accessories .................................................................................. 26

Warranty ...................................................................................... 27

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 appliance is for installation only
in a solid-fuel-burning masonry or UL127 factory-built
fireplace or in a listed ventless firebox enclosure. It is
design-certified for these installations in accordance
with ANSI Z21.11.2. Exception: Do not install this
appliance in a factory-built fireplace that includes
instructions stating it has not been tested or should
not be used with unvented gas logs.

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.

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

SAFETY

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

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

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

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.

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

ComfortFlame.US.com 900557-00 NC2

SAFETY

Continued

WARNING: Any change to this heater or its con-

trols can be dangerous.

DANGER: Carbon monoxide poisoning may lead

to death!

Carbon Monoxide Poisoning: Early signs of carbon

monoxide poisoning 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.

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 appliance.

Heater base assembly becomes very hot when run­ning heater. Keep children and adults away from hot
surface to avoid burns or clothing ignition. Heater
will remain hot for a time after shutdown. Allow
surface to cool before touching.

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

You must operate this appliance with the fireplace
screen and hood in place. Make sure fireplace screen
and hood are in place before running appliance.

ComfortFlame.US.com900557-00 NC 3

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

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) inside 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 neighbor’s phone.

Follow the gas supplier’s instructions

• if you cannot reach your gas supplier, call the fire department

4. This heater shall not be installed in a bedroom or bathroom, unless
installed as a vented appliance. See Installing Damper Clamp Ac-
cessory for Vented Operation, page 10. This gas log set may not
be installed as a vented appliance in a bedroom or bathroom in the
Commonwealth of Massachusetts.

5. Before installing in a solid fuel-burning fireplace, the chimney flue
and firebox must be cleaned of soot, creosote, ashes and loose
paint by a qualified chimney cleaner. Creosote will ignite if highly
heated. A dirty chimney flue may create and distribute soot within
the house. Inspect chimney flue for damage. If damaged, repair
flue and firebox before operating heater.

6. Do not burn solid-fuel in a masonry or UL127 factory-built fire­place in which a vent-free room heater is installed.

7. If fireplace has glass doors, never operate this heater with glass
doors closed. If you operate heater with doors closed, heat buildup
inside fireplace will cause glass to burst. Make sure there are no
obstructions across openings of fireplace.

8. To prevent the creation of soot, follow the instructions in Cleaning
and Maintenance, page 17.

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 and
furniture.

10. This appliance needs fresh, outside air ventilation to run properly.
This appliance has an Oxygen Depletion Sensing (ODS) safety
shutoff system. The ODS shuts down the appliance if enough
fresh air is not available. See Air for Combustion and Ventilation,

page 5. If heater keeps shutting off, see Troubleshooting, page

20.

11. Do not run heater

• where flammable liquids or vapors are used or stored

• under dusty conditions

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

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

SAFETY

Continued

14. Do not operate heater if any log is broken. Do not operate heater
if a log is chipped (dime-sized or larger).

15. Turn heater off and let cool before servicing, installing or repair­ing. Make sure the selector switch is in the OFF position. Only a
qualified service person should install, service or repair heater.

16. Make sure the selector switch is in the OFF position when you
are away from home for long periods of time.

LOCAL CODES

17. These appliances must not be connected to any external electrical
source.

18. Operating appliance above elevations of 4,500 feet may cause
pilot outage.

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

20. Provide adequate clearances around air openings.

Install and use appliance 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.

25 West 43rd Street, 4th floor

New York, NY 10036

National Fire Protection Association, Inc.

1 Batterymarch Park

Quincy, MA 02169-7471

NOTE: Where listed vented decorative logs are required, thermostat
operation is not permitted.

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 IDENTIFICATION

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

bathrooms.

• 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.

Log Set

Igniter

Remote Control

Control
Knob

Flame Adjustment Knob

Figure 1 - Product Identification

Rear Burner

Base
Assembly

ComfortFlame.US.com 900557-00 NC4

UNPACKING

CAUTION: Do not remove data plates from grate
assembly. Data plates contain important warranty
and safety information.

1. Remove logs and heater base assembly from carton.
NOTE: Do not pick up heater base assembly by burners. This

could damage heater. Always handle base assembly by grate.

2. Remove all protective packaging applied to logs and heater for
shipment.

3. Check appliance for any shipping damage. If appliance is dam­aged, promptly inform dealer where you purchased the appliance.

PRODUCT FEATURES

OPERATION

This heater 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 coals. This heater is designed for vent-free operation
with flue damper closed. It has been tested and approved to the ANSI
Z21.11.2 standard for unvented heaters. State and local codes in some
areas prohibit the use of vent-free heaters. This appliance may also be
operated as a vented decorative (ANSI Z21.60) product by opening the
flue damper.

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 ensure proper
fresh air for this and other fuel-burning appliances in
your home.

Today’s homes are built more energy efficient than ever. New ma­terials, increased insulation and new construction methods help
reduce heat loss in homes. Homeowners apply weather strip and
caulk around windows and doors to keep the cold air out and the
warm air in. During heating months, homeowners 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, some fireplaces, clothes dryers and some fuel-burning
appliances draw air from the house to operate. You must provide ad­equate fresh air for these appliances. That will ensure 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 5-7 will help you classify your space and
provide adequate ventilation.

SAFETY DEVICE

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

ELECTRONIC IGNITION SYSTEM

This heater has an electronic Igniter to light heater fuel supply.

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 three criteria above, you must provide ad­ditional fresh air. See Ventilation Air From Outdoors, page 7.

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

Confined and Unconfined Space

The National Fuel Gas Code, ANSI Z223.1/NFPA54 allows two meth­ods for determining whether the space in which the heater is being
installed is confined or unconfined space. The standard method de­fines a confined space as a space whose volume is less than 50 cubic
feet per 1,000 Btu/hr (4.8 m
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/hr
(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.

Where the air infiltration rate of a structure is known, the Known Air
Infiltration Rate Method may be used. Follow The National Fuel Gas
Code, ANSI Z223.1/NFPA 54 to use this method to determine if the
space is confined or unconfined.

3

per kw) of the aggregate input rating of

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

ComfortFlame.US.com900557-00 NC 5

AIR FOR COMBUSTION AND VENTILATION

Or

Remove

Door into
Adjoining

Room,
Option

3

Ventilation Grills

Into Adjoining Room,

Option 2

Ventilation

Grills Into

Adjoining

Room,

Option 1

12"

12"

Continued

DETERMINING FRESH-AIR FLOW FOR HEATER LOCATION

Determining if You Have a Confined or Unconfined Space Using
the Standard Method

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) = 2560 cu. ft. (volume of space)

The space in the above example is a confined space because the actual
Btu/Hr used is more than the maximum Btu/Hr the space can support.
You must provide additional fresh air. Your options are as follows:

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

extra space provides an unconfined space, remove door to adjoin­ing room or add ventilation grills between rooms. See Ventilation

Air From Inside Building, page 6.

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

Outdoors, page 7.

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.

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: 2560 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 can support)
______ Btu/Hr (actual amount used)
Example: 51,200 Btu/Hr (maximum the space can support)
73,000 Btu/Hr (actual amount of Btu/Hr used)

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

ComfortFlame.US.com 900557-00 NC6

AIR FOR COMBUSTION AND VENTILATION

Outlet
Air

Ventilated
Attic

Outlet
A

ir

Inlet
Air

Inlet Air

Ventilated

Crawl Space

To

Crawl

Space

To Attic

Continued

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.

INSTALLATION

Figure 3 - Ventilation Air from Outdoors

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. In the event of a power outage,
you can use this heater as your primary heat source.

WARNING: A qualified service person must install

heater. Follow all local codes.

NOTICE: State or local codes may only allow operation
of this appliance in a vented configuration. Check your
state or local codes.

WARNING: Make sure the selector switch is in

the OFF position before installing heater.

WARNING: Before installing in a solid fuel-burning
fireplace, the chimney flue and firebox must be
cleaned of soot, creosote, ashes and loose paint by
a qualified chimney cleaner. Creosote will ignite if
highly heated. A dirty chimney flue and firebox may
create and distribute soot within the house. Inspect
chimney flue for damage. If damaged, repair flue
before operating heater.

WARNING: Never install the heater

• in a bedroom or bathroom unless installed as a
vented appliance, see page 10

• in a recreational vehicle

• where curtains, furniture, clothing or other flam­mable objects are less than 36" from front and 42"
from top of heater; for side clearances see Figure

4, page 8

• in high traffic areas

• in windy or drafty areas

CAUTION: This heater creates warm air currents.
These currents move heat to wall surfaces 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 fluids, oil or kerosene lamps, etc.)
in the air exist, may discolor walls or cause odors.

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

WARNING: Seal any fresh air vents or ash clean­out doors located on floor or wall of fireplace. If
not, drafting may cause pilot outage or sooting.
Use a heat-resistant sealant. Do not seal chimney
flue damper.

ComfortFlame.US.com900557-00 NC 7

INSTALLATION

Continued

CHECK GAS TYPE

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

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.

INSTALLATION AND CLEARANCES FOR VENT-FREE OPERATION

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

MINIMUM FIREPLACE CLEARANCE

TO COMBUSTIBLE MATERIALS

Side Wall 16", Ceiling 42", Floor 5", Front 36"

Carefully follow these instructions. This will ensure safe installation into a
masonry, UL127-listed manufactured fireplace or listed vent-free firebox.

NOTICE: Manual control heaters may be used as a
vented product. If so, you must always run heater
with chimney flue damper open. If running heater
with damper open, noncombustible material above
fireplace opening is not needed. Go to Installing
Damper Clamp Accessory for Vented Operation,
page 10.

Example

*

*Minimum 16" from Side Wall

Figure 4 - Minimum Clearance for Combustible to Wall

LOG SIZING REQUIREMENTS

Minimum Firebox

Log Size

24" 17" 14" 26" 18"

* Measured at 14" depth.

Minimum Clearances For Side Combustible Material, Side Wall
and Ceiling

A. Clearances from the side of the fireplace cabinet to any combus-

tible material and wall should follow diagram in Figure 4.

Example: The face of a mantel, bookshelf, etc. is made of combus-

tible material and protrudes 3-1/2" from the wall. This combustible
material must be 4" from the side of the fireplace cabinet (see

Figure 4).

NOTE: When installing your gas logs into a manufactured firebox,

follow firebox manufacturer’s instructions for minimum clear­ances to combustible materials.

B. Clearances from the top of the fireplace opening to the ceiling

should not be less than 42".

Height Depth Front Width Rear Width *

MINIMUM NONCOMBUSTIBLE MATERIAL CLEARANCES
If Not Using Mantel

NOTE: If using a mantel proceed to If Using Mantel. If not using a
mantel, follow the information on this page.

You must have noncombustible material(s) above the fireplace
opening. Noncombustible materials (such as slate, marble, tile,
etc.) must be at least 1/2" thick. With sheet metal, you must have
noncombustible material behind it. Noncombustible material must
extend at least 8" up (for all models). If noncombustible material is
less than 12", you must install the fireplace hood accessory (24" and
30" Models Only). See Figure 5 for minimum clearances.

Noncombustible

Material Distance (A)

12" or more Noncombustible material okay.

Between 8" and 12"

Less than 8"

Requirements for Safe Installation

24" Models: Install fireplace hood accessory
(GA6050 see Accessories, page 26).

Noncombustible material must be extended
to at least 8". See Between 8" and 12", above.
If you cannot extend material, you must
operate heater with flue damper open.

ComfortFlame.US.com 900557-00 NC8

Minimum
Noncombustible
Material

Minimum
Noncombustible
Material Height

Distances to
Underside of
Mantel

Top of
Fireplace
Opening

Underside of
Mantel Shelf

12"

(A)

18" 20" 22" 24"

All minimum
distances are
in inches

Log Set

24"

2 1/2"

6"

8"

10"

Mantel Shelf

Heat Resistant
Material

(A)

Heat Resistant

Minimum
Noncombustible
Material

8"
Min.

12" 15" 18"

All minimum
distances are
in inches

Log Sets
24"
Models

20"

2

1

/2

"

6"

8"

10"

12"

Distances to
Underside of
Mantel

Hood
(GA6050 or
GA6053)

Top of
Fireplace
Opening

Underside of
Mantel Shelf

Mantel Shelf

Material

INSTALLATION

Continued

Figure 5 - Heat Resistant Material (Slate, Marble, Tile,
etc.) Above Fireplace

If Using Mantel

You must have noncombustible material(s) above the fireplace
opening. Noncombustible materials (such as slate, marble, tile,
etc.) must be at least 1/2" thick. With sheet metal, you must have
noncombustible material behind it. Noncombustible material must
extend at least 8" up (for all models). If noncombustible material is
less than 12", you must install the fireplace hood accessory. Even if
noncombustible material is more than 12", you may need the hood
accessory to deflect heat away from your mantel shelf. See Figures

5, 6 and 7, for minimum clearances.

Figure 6 - Minimum Mantel Clearances Without Using Hood

Figure 7 - Minimum Mantel Clearances When Using Hood

IMPORTANT: If you cannot meet these minimum clearances, you

must operate heater with chimney flue damper open. Go to Installing
Damper Clamp Accessory for Vented Operation, page 10.

MANTEL CLEARANCES

In addition to meeting noncombustible material clearances, you
must also meet required clearances between fireplace opening and
mantel shelf. If you do not meet the clearances listed below, you will
need a hood.

Determining Minimum Mantel Clearance

If you meet minimum clearance between mantel shelf and top of
fireplace opening, a hood is not required (see Figure 6).

Determining Minimum Mantel Clearance When Using a Hood

If minimum clearances in Figure 6, are not met, you must have a
hood. When using a hood there are still certain minimum mantel
clearances required. Follow minimum clearances shown in Figure 7,
when using hood.

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.

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

• operate the logs only with the flue damper open

• raise the mantel to an acceptable height

• remove the mantel

ComfortFlame.US.com900557-00 NC 9

INSTALLATION

14"
Min.

Combustible
Material

Noncombustible Material

Hearth

5"
Min.

Combustible
Material

Continued

FLOOR CLEARANCES

A. If installing appliance on the floor level, you must maintain the

minimum distance of 14" to combustibles (see Figure 8).

B. If combustible materials are less than 14" to the fireplace, you

must install appliance at least 5" above the combustible flooring

(see Figure 9).

Area of Various Standard Round Flues

Diameter Area

5" 20 sq. in.
6" 29 sq. in.
7" 39 sq. in.
8" 51 sq. in.

Chimney

Height

6' to 15' 39 sq. in.

15' to 30' 29 sq. in.

Damper
Clamp

Minimum Permanent

Flue Opening

Damper

Figure 8 - Minimum Fireplace Clearances If Installed at
Floor Level

Figure 9 - Minimum Fireplace Clearances Above
Combustible Flooring

INSTALLING DAMPER CLAMP ACCESSORY FOR VENTED
OPERATION

NOTE: When used as a vented heater, appliance must be installed only
in a solid-fuel-burning fireplace with a working flue and constructed
of noncombustible material.

For Massachusetts Residents Only: Installation of this gas log
set as a vented appliance in the Commonwealth of Massachusetts
requires the damper be permanently removed or welded in the fully
open position.

If your heater is a manually-controlled model, you may use this
heater as a vented product. There are three reasons for operating
your heater in the vented mode.

1. The fireplace does not meet the clearance to combustibles require­ments for vent-free operation.

2. State or local codes do not permit vent-free operation.

3. You prefer vented operation.

If reasons number 1 or 2 apply to you, you must permanently open
chimney flue damper. You must install the damper clamp accessory

(to order, see Accessories, page 26). This will ensure vented operation
(see Figure 10). The damper clamp will keep damper open. Installa-

tion instructions are included with clamp accessory.
See chart below for minimum permanent flue opening you must pro-

ComfortFlame.US.com 900557-00 NC10

vide. Attach damper clamp so the minimum permanent flue opening
will be maintained at all times.

Damper
Clamp

Damper

Masonry Fireplace

Manufactured Fireplace

Damper

Figure 10 - Attaching Damper Clamp

INSTALLING HEATER BASE ASSEMBLY

WARNING: You must secure this heater to fire­place floor. If not, heater will move when you adjust
controls. Moving heater may cause a gas leak or
log misplacement.

WARNING: If installing in a sunken fireplace,
special care is needed. You must raise the fireplace
floor to allow access to heater control panel. This will
ensure adequate air flow and guard against sooting
and controls being damaged. Raise fireplace floor
with noncombustible material. Make sure material
is secure.

CAUTION: Do not pick up heater base assembly
by burners. This could damage heater. Only handle
base assembly by grates.

IMPORTANT: Make sure the heater burners are level. If
heater is not level, heater will not work properly.

INSTALLATION

Continued

Installation Items Needed

• hardware package (provided with appliance)

• approved flexible gas hose and fittings (not provided) (if allowed
by local codes)

• sealant (resistant to propane/LP gas, not provided)

• electric drill with 3/16” masonry drill bit

NOTE: Install Receiver and Hand-Held Remote Control before install­ing the gas log appliance. See installation instructions.

1. Apply pipe joint sealant lightly to male threads of gas fitting

(provided). Connect approved flexible gas hose to inlet side of
gas control (see Figure 12).

IMPORTANT: Hold gas fitting with wrench when connecting flex­ible gas hose.

2. Position heater base assembly in fireplace.

3. Mark screw locations through holes in front panel of base (see

Figure 13). If installing in a brick-bottom fireplace, mark screw
locations in mortar joint of bricks.

4. Remove heater base from fireplace.

5. Drill holes at marked locations using 3/16" drill bit.

6. Attach base, through holes in front panel of base, to fireplace

floor using masonry screws provided in hardware package (see

Figure 13).

7. Connect to gas supply. See Connecting To Gas Supply.

Masonry

Screw

Figure 13 - Attaching Base to Fireplace Floor

CONNECTING TO GAS SUPPLY

Heater Gas
Regulator

Flexible Gas Hose
(if allowed by local codes)

Figure 11 - Attaching Flexible Gas Hose to Heater Gas
Regulator

Gas Control

Flexible Gas Hose
(if allowed by local codes)

Figure 12 - Attaching Flexible Gas Hose to Heater Gas
Regulator

WARNING: This appliance requires a 3/8" NPT
(National Pipe Thread) inlet connection to the pres­sure regulator.

WARNING: A qualified service person must con­nect appliance to gas supply. Follow all local codes.

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

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

ComfortFlame.US.com900557-00 NC 11

INSTALLATION

Continued

Installation Items Needed

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

• external regulator (supplied by installer)

• piping (check local codes)

• sealant (resistant to propane/LP gas)

• equipment shutoff valve *

• test gauge connection *

• sediment trap

• tee joint

• pipe wrench

• approved flexible gas line with gas connector (if allowed by local
codes) (not provided)

* A 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, appliance regulator damage
could occur. Install external regulator with the vent pointing down as
shown in Figure 14. 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 heater. If pipe is too small, undue loss
of volume will occur.

Propane/LP
Supply Tank

External
Regulator with
Vent Pointing
Down

IMPORTANT: Install equipment shutoff valve in an accessible loca­tion. The equipment shutoff valve is for turning on or shutting off
the gas to the appliance.

Check your building codes for any special requirements for locating
equipment shutoff valve to appliances.

Apply pipe joint sealant lightly to male NPT threads. This will prevent
excess sealant from going into pipe. Excess sealant in pipe could
result in clogged heater valves.

WARNING: Use pipe joint sealant that is resistant

to liquid petroleum (LP) gas.

We recommend that you install a sediment trap in supply line as
shown in Figure 15. Locate sediment trap where it is within reach
for cleaning. Install in piping system between fuel supply and heater.
Locate sediment trap where trapped matter is not likely to freeze. A
sediment trap traps moisture and contaminants. This keeps them
from going into heater controls. If sediment trap is not installed or
is installed wrong, heater may not run properly.

CAUTION: Avoid damage to gas control. Hold
gas control with wrench when connecting it to gas
piping and/or fittings.

Equipment Shutoff Valve
With 1/8" NPT Tap*

Approved Flexible Gas
Hose (if allowed by
local codes)

3" Minimum

Pipe Cap Tee
Nipple Joint

Gas
Control

* Purchase the optional equipment shutoff valve from your dealer.

** Minimum inlet pressure for purpose of input adjustment.

Sediment Trap

Figure 15 - Gas Connection

PROPANE/LP From

External Regulator

(11" W.C.**

to 14" W.C. Pressure)

NATURAL From

Gas Meter

(5" W.C.**

to 10.5" W.C.

Pressure)

Figure 14 - External Regulator With Vent Pointing Down

Installation must include an equipment shutoff valve, union and
plugged 1/8" NPT tap. Locate NPT tap within reach for test gauge
hook up. NPT tap must be upstream from heater (see Figure 15).

ComfortFlame.US.com 900557-00 NC12

CHECKING GAS CONNECTIONS

WARNING: Test all gas piping and connections,
internal and external to unit, for leaks after installing
or servicing. Correct all leaks at once.

WARNING: Never use an open flame to check for
a leak. Apply a noncorrosive leak detection fluid to
all joints. Bubbles forming show a leak. Correct all
leaks at once.

INSTALLATION

Continued

Figure 16 - Equipment Shutoff Valve

Equipment
Shutoff Valve

Open

Closed

CAUTION: Make sure external regulator has been
installed between propane/LP supply and heater. See
guidelines under Connecting to Gas Supply, page 11.

PRESSURE TESTING GAS SUPPLY PIPING SYSTEM
Test Pressures In Excess Of 1/2 PSIG (3.5 kPa)

1. Disconnect appliance with its appliance main gas valve (control
valve) and equipment shutoff valve from gas supply piping system.
Pressures in excess of 1/2 psig will damage appliance regulator.

2. Cap off open end of gas pipe where equipment shutoff valve was
connected.

3. Pressurize supply piping system by either opening propane/LP
supply tank valve for propane/LP gas or opening main gas valve
located on or near gas meter for natural gas or using compressed
air.

4. Check all joints of gas supply piping system. Apply noncorrosive
leak detection fluid to all joints. Bubbles forming show a leak.

5. Correct all leaks at once.

6. Reconnect appliance and equipment shutoff valve to gas supply.
Check reconnected fittings for leaks.

Test Pressures Equal To or Less Than 1/2 PSIG (3.5 kPa)

1. Close equipment shutoff valve (see Figure 17).

2. Pressurize supply piping system by either opening propane/LP
supply tank valve for propane/LP gas or opening main gas valve
located on or near gas meter for natural gas or using compressed
air.

3. Check all joints from gas meter to equipment shutoff valve for natural
gas or propane/LP supply to equipment shutoff valve for propane/
LP (see Figure 17 or 19). Apply noncorrosive leak detection fluid
to all joints. Bubbles forming show a leak.

4. Correct all leaks at once.

Propane/LP Supply Tank

Figure 17 - Checking Gas Joints (Propane/LP Only)

Equipment Shutoff Valve

Gas Meter

Figure 18 - Checking Gas Joints (Natural Gas Only)

Equipment Shutoff Valve

Thermostat Gas Valve or
Control Valve Location

Thermostat Gas Valve or
Control Valve Location

The appliance and its appliance main gas valve must be disconnected
from the gas supply piping system during any pressure testing of that
system at test pressures in excess of 1/2 psi (3.5 kPa).

The appliance must be isolated from the gas supply piping system by
closing its equipment shutoff valve during any pressure testing of the
gas supply piping system at test pressures equal to or less than 1/2
psi (3.5 kPa).

ComfortFlame.US.com900557-00 NC 13

PRESSURE TESTING HEATER GAS CONNECTIONS

1. Open equipment shutoff valve (see Figure 16).

2. Open main gas valve located on or near gas meter for natural gas
or open propane/LP supply tank valve.

3. Make sure control knob of heater is in the OFF position.

4. Check all joints from equipment shutoff valve to thermostat gas
valve or to gas control (see Figure 17 or 19). Apply noncorrosive
leak detection fluid to all joints. Bubbles forming show a leak.

5. Correct all leaks at once.

6. Light heater (see Operation, page 15, depending on your model).
Check all other internal joints for leaks.

7. Turn off heater (see To Turn Off Gas to Appliance, page 16).

INSTALLING LOGS

INSTALLATION

Continued

WARNING: Failure to position the parts in ac­cordance with these diagrams or failure to use only
parts specifically approved with this heater may
result in property damage or personal injury.

Each log is marked with a number. These numbers will help you
identify the log when installing. It is very important to install these
logs exactly as instructed. Do not modify logs. Only use logs sup­plied with appliance.

NOTE: Your appliance may vary from model shown but log placement
will be the same.

Installing Logs (All Models)

1. Place bottom log in center of the base assembly as shown in Figure

19.

2. Rest rear log in back corner sections of base assembly as shown

in Figure 19. Make sure log is completely vertical and not leaning
in toward burner where flame will touch the log.

3. Position front right log against right side of grate prongs (see

Figure 19).

4. Position front left log against left side of grate prongs (see Figure

19).

5. Place middle right log over front right and bottom logs as shown

in Figure 20. Be sure hole in middle right log seats over pin in
bottom log.

6. Place middle left log over front left and bottom logs as show in

Figure 20. Be sure hole in middle left log seats over pin in front
left log.

Middle
Left Log

Pin on Front
Left Log

Figure 20 - Installing Log Sets

Middle Right Log

Bottom
Log

Front Left
Log

Grate
Prongs

Bottom Log

Base Assembly

Figure 19 - Installing Log Set

Rear Log

Front Right
Log

ALL MODELS

Figure 21 - Correct Log Placement

ComfortFlame.US.com 900557-00 NC14

OPERATION

O

F

F

L

O

I

H

ON
OFF
REMOTE

P

I

L

O

T

O

N

FOR YOUR SAFETY

READ BEFORE LIGHTING

WARNING: If you do not follow these instruc­tions exactly, a fire or explosion may result causing
property damage, personal injury or loss of life.

A. This appliance has a pilot which must be lighted by hand. When

lighting the pilot, follow these instructions exactly.

B. BEFORE LIGHTING smell all around the appliance area for gas.

Be sure to smell next to the floor because some gas is heavier
than air and will settle on the floor.

WHAT TO DO IF YOU SMELL GAS

• Do not try to light any appliance.

• Do not touch any electric 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.

C. Use only your hand to push in or turn the gas control knob. Never

use tools. If the knob will not push in or turn by hand, don’t try
to repair it, call a qualified service technician or gas supplier.
Force or attempted repair may result in a fire or explosion.

D. Do not use this appliance if any part has been under water.

Immediately call a qualified service technician to inspect the
appliance and to replace any part of the control system and any
gas control which has been under water.

NOTE: Homeowners generally prefer to operate their heater with the
chimney damper closed. This will put all the heat into the room. However,
there may be times you will desire the full flames of the HI heat setting but
will find the heat output excessive. You can open the chimney damper (if
you have one) fully or partially to release some of the heat.

WARNING: Damper handle will be hot if heater

has been running.

1. STOP! Read the safety information, page 20.

2. Make sure equipment shutoff valve is fully open.

3. Set selector switch in the OFF position.

4. Press in and turn control knob clockwise to the OFF

position (see Figure 22).

CAUTION: Do not try to adjust heating levels by

using the equipment shutoff valve.

Control Knob

Igniter
Button

Figure 22 - Control Knob and Igniter Button Location

Flame Adjustment
Knob

Selector Switch
in OFF Position

LIGHTING

INSTRUCTIONS

WARNING: If fireplace has glass doors, never
operate this heater with glass doors closed. If you
operate heater with doors closed, heat buildup inside
fireplace will cause glass to burst. Make sure there
are no obstructions across opening of fireplace.

WARNING: You must operate this heater with
a fireplace screen in place. Make sure fireplace
screen is closed before running heater.

NOTICE: During initial operation of new heater, burn­ing logs will give off a paper-burning smell. Orange
flame will also be present. Open damper or window
to vent smell. This will only last a few hours.

WARNING: Burners will come on automatically
within one minute when the selector switch is in the
ON position after the pilot is lit.

5. Wait five (5) minutes to clear out any gas. Then smell for gas,
including near the floor. If you smell gas, STOP! Follow B on this
page. If you don’t smell gas, go to the next step.

6. Press in and turn control knob counterclockwise to the
PILOT position. Press in control knob for five (5) seconds (see

Figure 29).

NOTE: You may be running this heater for the first time after

hooking up to gas supply. If so, the control knob may need to
be pressed in for 30 seconds or less. This will allow air to bleed
from the gas system.

7. With control knob pressed in, press and release Igniter button.
This will light pilot. The pilot is attached to the front burner. If
needed, keep pressing Igniter button until pilot lights.

NOTE: If pilot does not stay lit, contact a qualified service person

or gas supplier for repairs. Until repairs are made, light pilot with
match. To light pilot with match, see Manual Lighting Procedure.

ComfortFlame.US.com900557-00 NC 15

OPERATION Continued

8. Keep control knob pressed in for 30 seconds after lighting pilot.
After 30 seconds, release control knob.

• If control knob does not pop out when released, contact a quali-

fied service person or gas supplier for repairs.

NOTE: If pilot goes out, repeat steps 4 through 8.

9. Slightly push in and turn control knob counterclockwise
the ON position.

10. Wait one minute and switch selector switch to the ON position to
light burners. NOTE: AUTO is only functional when using GWMT1

or GWMS2 optional accessories.

11. Set flame adjustment knob to any level between HI and LO.

12. You may shut off the burners and keep the pilot lit by doing one
of the following:

a. Turn control knob clockwise to the PILOT position.
b.

Use remote control manual OFF button.

to

WARNING: Make sure the selector switch is in the
OFF position when you are away from home for long
periods of time. Heater will come on automatically
with selector switch in the ON position.

Pilot Burner

Igniter Electrode

TO TURN OFF GAS

TO APPLIANCE

1. Turn control knob clockwise to the OFF position.
2a. Set selector switch in the OFF position.
2b. If Using Optional Hand-Held Remote: Set selector switch in the

OFF position to prevent draining battery.

3. Close equipment shutoff valve (see Figure 16, page 13).

MANUAL LIGHTING

PROCEDURE

1. Follow steps 1 through 6 under Lighting Instructions, page 15.

2. Depress control knob and light pilot with match.

3. Keep control knob pressed in for 30 seconds after lighting pilot. After
30 seconds, release control knob. Now follow steps 9 through 11,

Lighting Instructions, page 16.

Figure 23 - Pilot (Propane/LP)

Pilot Burner

Figure 24 - Pilot (Natural)

Igniter Electrode

ComfortFlame.US.com 900557-00 NC16

CLEANING AND MAINTENANCE

INSPECTING BURNERS

Check pilot flame pattern and burner flame patterns often.

PILOT FLAME PATTERN

Figure 25 shows a correct pilot flame pattern. Figure 26 shows an
incorrect pilot flame pattern. The incorrect pilot flame is not touching
the thermocouple. This will cause the thermocouple to cool. When
the thermocouple cools, the appliance will shut down.

If pilot flame pattern is incorrect, as shown in Figure 26.

• turn appliance off (see To Turn Off Gas to Appliance, page 16)

• see Troubleshooting, page 20.

NOTE: The pilot flame on natural gas units will have a slight curve,
but flame should be blue and have no yellow or orange color.

Thermocouple

Pilot Burner

WARNING: If yellow tipping occurs, your heater
could produce increased levels of carbon monoxide.
If front burner flame pattern shows yellow tipping,
follow instructions at bottom of this page. Yellow
flame on rear burner is normal.

NOTICE: Do not mistake orange flames with yellow
tipping. Dirt or other fine particles are burned by
heater, causing brief patches of orange flame.

Figure 27 - Correct Front Burner Flame Pattern

Thermocouple

Figure 25 - Correct Pilot Flame Pattern (Your pilot may vary
from pilots shown)

Thermocouple

Pilot Burner

Thermocouple

Figure 26 - Incorrect Pilot Flame Pattern (Your pilot may
vary from pilots shown)

FRONT BURNER FLAME PATTERN

Figure 27 shows correct front burner flame pattern. Figure 28 shows
incorrect front burner flame pattern. The incorrect burner flame pat­tern shows yellow tipping at top of blue flame.

If front burner flame pattern is incorrect, as shown in Figure 28

• turn appliance off (see To Turn Off Gas to Appliance, page 16)

• see Troubleshooting, page 20

Yellow Tipping At
Top of Blue Flame

Figure 28 - Incorrect Front Burner Flame Pattern

ComfortFlame.US.com900557-00 NC 17

CLEANING AND MAINTENANCE

Continued

WARNING: Turn off heater and let cool before

cleaning.

CAUTION: You must keep control areas, burners and
circulating air passageways of heater clean. Inspect
these areas of heater before each use. Have heater
inspected yearly by a qualified service person. Heater
may need more frequent cleaning due to excessive
lint from carpeting, pet hair, bedding material, etc.

WARNING: Failure to keep the primary air
opening(s) of the burner(s) clean may result in
sooting and property damage.

BURNER ORIFICE HOLDER AND PILOT AIR INLET HOLE

The primary air inlet holes allow the proper amount of air to mix with
the gas. This provides a clean burning flame. Keep these holes clear
of dust, dirt, lint and pet hair. Clean these air inlet holes prior to each
heating season. Blocked air holes will create soot. We recommend
that you clean the unit every three months during operation and have
appliance inspected yearly by a qualified service person.

We also recommend that you keep the burner tube and pilot assembly
clean and free of dust and dirt. To clean these parts we recommend
using compressed air no greater than 30 PSI. Your local computer
store, hardware store or home center may carry compressed air in a
can. If using compressed air in a can, please follow the directions on
the can. If you don’t follow directions on the can, you could damage
the pilot assembly.

1. Shut off unit, including pilot. Allow unit to cool for at least thirty
minutes.

2. Inspect burner, pilot and primary air inlet holes on orifice holder
for dust and dirt (see Figure 29).

3. Blow air through the ports/slots and holes in the burner.

Orifice Holder

4. Check orifice holder located at the end of the burner tube again.
Remove any large particles of dust, dirt, lint or pet hair with a soft
cloth or vacuum cleaner nozzle.

5. Blow air into the primary air holes on the orifice holder.

6. In case any large clumps of dust have now been pushed into the
burner repeat steps 3 and 4.

Clean pilot assembly also. A yellow tip on the pilot flame indicates
dust and dirt in the pilot assembly. There is a small pilot air inlet hole
about 2" from where the pilot flame comes out of the pilot assembly
(see Figure 30). With the unit off, lightly blow air through the air
inlet hole. You may blow through a drinking straw if compressed air
is not available.

Pilot Air Inlet Hole

Pilot Assembly

Figure 30 - Pilot Inlet Air Hole (Your pilot may vary from
pilot shown)

LOGS

• If you remove logs for cleaning, refer to Installing Logs, page 14,

to properly replace logs.

• Replace log(s) if broken or chipped (dime-sized or larger).

MAIN BURNER

Periodically inspect all burner flame holes with the appliance running.
All slotted burner flame holes should be open with yellow flame pres­ent. All round burner flame holes should be open with a small blue
flame present. Some burner flame holes may become blocked by
debris or rust, with no flame present. If so, turn off appliance and let
cool. Remove blockage, blocked burner flame holes will create soot.

Ports/Slots

Burner Tube

Primary Air
Inlet Holes

Figure 29 - Orifice Holder On Outlet Burner Tube

ComfortFlame.US.com 900557-00 NC18

Thermopile

REPLACEMENT PARTS

See pages 23-24 for a complete replacement parts list. Use only
parts supplied from the manufacturer.

Normally, all parts should be ordered through your IHP distributor
or dealer. Parts will be shipped at prevailing prices at time of order.

When ordering repair parts, always give the following information:

1. The model number of the appliance.

2. The serial number of the appliance.

3. The part number.

WIRING DIAGRAM

4. The description of the part.

5. The quantity required.

6. The installation date of the appliance.

If you encounter any problems or have any questions concerning the
installation or application of this appliance, please contact your dealer.

IHP
1508 Elm Hill Pike, Suite 108
Nashville, TN 37210
Visit us at ComfortFlame.US.com

SPECIFICATIONS

RIVERCYN24FMP

• Rating (Variable): 25,000/36,000 Btu/Hr

• Type Gas: Propane/LP

• Ignition: Electronic

• Manifold Pressure: 7.9" W.C.

• Inlet Gas Pressure (in. of water):
Max - 14" W.C., Min* - 11" W.C.

*For purpose of input adjustment

SERVICE HINTS

When Gas Pressure Is Too Low

• pilot will not stay lit

• burners will have delayed ignition

• heater will not produce specified heat

• propane/LP gas supply may be low
You may feel your gas pressure is too low. If so, contact your local

propane/LP or natural gas supplier.

RIVERCYN24FMN

• Rating (Variable): 25,000/36,000 Btu/Hr

• Type Gas: Natural

• Ignition: Electronic

• Manifold Pressure: 3.4" W.C.

• Inlet Gas Pressure (in. of water):

Max - 10.5" W.C., Min* - 5" W.C.

TECHNICAL SERVICE

You may have further questions about installation, operation, or
troubleshooting. Please contact your IHP dealer for any questions
or concerns. When contacting your dealer please have your model
and serial numbers of your appliance ready. You can also visit our
web site at ComfortFlame.US.com.

ComfortFlame.US.com900557-00 NC 19

TROUBLESHOOTING

WARNING: Turn off appliance and let cool before servicing. Only a qualified service person should service

and repair heater.

CAUTION: Never use a wire, needle, or similar object to clean ODS/pilot. This can damage ODS/pilot unit.

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.

• Leave the building immediately.

• 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.

NOTE: All troubleshooting items are listed in order of operation.

IMPORTANT: Operating appliance where impurities in air exist may create odors. Cleaning supplies, paint, paint remover, cigarette smoke,

cements and glues, new carpet or textiles, etc., create fumes. These fumes may mix with combustion air and create odors.

OBSERVED PROBLEM POSSIBLE CAUSE REMEDY

When Igniter button is pressed, there is no spark
at ODS/pilot

When Igniter button is pressed, there is spark at
ODS/pilot but no ignition

ODS/pilot lights but flame goes out when control
knob is released

1. Igniter electrode not connected to Igniter cable

2. Igniter cable pinched or wet

3. Broken Igniter cable

4. Bad Igniter

5. Igniter electrode positioned wrong

6. Igniter electrode broken

7. Battery not installed, battery power low or bat­tery not installed correctly (electronic ignition
models only)

1. Gas supply turned off or equipment shutoff
valve closed

2. Control knob not in PILOT position

3. Control knob not pressed in while in PILOT
position

4. Air in gas lines when installed

5. Depleted gas supply (propane/LP only)

6. ODS/pilot is clogged

7. Gas regulator setting is not correct

1. Control knob not fully pressed in

2. Control knob not pressed in long enough

3. Safety interlock system has been triggered

4. Equipment shutoff valve not fully open

5. Pilot flame not touching thermocouple, which
allows thermocouple to cool, causing pilot flame
to go out. This problem could be caused by one
or both of the following:

A) Low gas pressure
B) Dirty or partially clogged ODS/pilot

6. Thermocouple connection loose at control valve

7. Thermocouple damaged

8. Control valve damaged

1. Reconnect Igniter cable

2. Free Igniter cable if pinched by any metal or
tubing. Keep Igniter cable dry

3. Replace Igniter cable

4. Replace Igniter

5. Replace pilot assembly

6. Replace pilot assembly

7. Install new alkaline battery in electronic Igniter.
Verify battery is installed correctly

1. Turn on gas supply or open equipment shutoff
valve

2. Turn control knob to PILOT position

3. Press in control knob while in PILOT position

4. Continue holding down control knob. Repeat
igniting operation until air is removed

5. Contact local propane/LP gas company

6. Clean ODS/pilot (see Cleaning and Mainte-
nance, page 17) or replace ODS/pilot assembly

7. Replace gas regulator

1. Press in control knob fully

2. After ODS/pilot lights, keep control knob
pressed in 30 seconds

3. Wait one minute for safety interlock system to
reset. Repeat ignition operation

4. Fully open equipment shutoff valve

5. A) Contact local natural or propane/LP gas
company

B) Clean ODS/pilot (see Cleaning and Mainte-

nance, page 17) or replace ODS/pilot assembly

6. Hand tighten until snug, then tighten 1/4 turn
more

7. Replace pilot assembly

8. Replace control valve

ComfortFlame.US.com 900557-00 NC20

TROUBLESHOOTING

Continued

OBSERVED PROBLEM POSSIBLE CAUSE REMEDY

One or both burners do not light after ODS/pilot is lit 1. Inlet gas pressure is too low

2. Burner orifice(s) clogged

3. Mislocated crossover tube

4. Remote selector in OFF position

5. Wire disconnected from gas control

Delayed ignition of one or both burners 1. Manifold pressure is too low

2. Burner orifice(s) clogged

3. Mislocated crossover tube

Burner backfiring during combustion 1. Burner orifice is clogged or damaged

2. Damaged burner

3. Gas regulator defective

Yellow flame in front burner during burner com­bustion

Slight smoke or odor during initial operation 1. Residues from manufacturing processes and

Heater produces a whistling noise when burners
are lit

White powder residue forming within burner box
or on adjacent walls or furniture

Moisture/condensation noticed on windows 1. Not enough combustion/ventilation air

Remote does not function 1. Battery is not installed. Battery power is low

Heater produces a clicking/ticking noise just after
burners are lit or shut off

Heater produces unwanted odors 1. Heater burning vapors from paint, hair spray,

Heater shuts off in use (ODS operates) 1. Not enough fresh air is available

1. Not enough air

2. Gas regulator defective

logs curing

1. Turning control knob to HI position when burn­ers are cold

2. Air in gas line

3. Air passageways on heater blocked

4. Dirty or partially clogged burner orifice(s)

1. When heated, vapors from furniture polish,
wax, carpet cleaners, etc. may turn into white
powder residue

2. Log in front of receiver

1. Metal expanding while heating or contracting
while cooling

glues, cleaners, chemicals, new carpet, etc.
(See IMPORTANT statement above)

2. Low fuel supply (propane/LP only)

3. Gas leak. See Warning statement on page 20

2. Low line pressure

3. ODS/pilot is partially clogged

1. Contact local natural or propane/LP gas com­pany

2. Clean burner(s) (see Cleaning and Maintenance,
page 17) or replace burner orifice(s)

3. Contact qualified service person

4. Put remote selector in ON position

5.

See Wiring Diagram, page 19

1. Contact local natural or propane/LP gas com­pany

2. Clean burner(s) (see Cleaning and Maintenance,
page 17) or replace burner orifice(s)

3. Contact qualified service person

1. Clean burner (see Cleaning and Maintenance,
page 17) or replace burner orifice

2. Replace damaged burner

3. Replace gas regulator

1. Check burner(s) for dirt and debris. If found,
clean burner(s) (see Cleaning and Maintenance,

page 17)

2. Replace gas regulator

1. Problem will stop after a few hours of operation

1. Turn control knob to LO position and let warm
up for a minute

2. Operate burners until air is removed from
line. Have gas line checked by local natural or
propane/LP gas company

3. Observe minimum installation clearances (see

pages 8-10)

4. Clean burners (see Cleaning and Maintenance,
page 17) or replace burner orifice(s)

1. Turn heater off when using furniture polish,
wax, carpet cleaners or similar products

1. Refer to Air for Combustion and Ventilation
requirements (pages 5-7)

1. Replace 9-volt batteries in receiver and hand­held remote

2. Move log left or right to clear view of receiver

1. This is normal with most heaters. If noise is
excessive, contact qualified service person

1. Open window to ventilate room. Stop using
odor causing products while heater is running

2. Refill supply tank (propane/LP only)

3. Locate and correct all leaks (see Checking Gas

Connections, page 13)

1. Open window and/or door for ventilation

2. Contact local natural or propane/LP gas com­pany

3. Clean ODS/pilot (see Cleaning and Maintenance,

page 17)

ComfortFlame.US.com900557-00 NC 21

TROUBLESHOOTING

Continued

OBSERVED PROBLEM POSSIBLE CAUSE REMEDY

Gas odor even when control knob is in OFF position 1. Gas leak. See Warning statement on page 20

2. Control valve or gas control defective

Gas odor during combustion 1. Foreign matter between control valve and

burner

2. Gas leak. See Warning statement on page 20

Log set cycles to pilot, but room temperature
drops to a lower than ideal level before log set
comes back on

1. Hand-held remote control is too close to heater 1. Move hand-held remote control unit farther

1. Locate and correct all leaks (see Checking Gas

Connections, page 13)

2. Replace control valve or gas control

1. Take apart gas tubing and remove foreign mat­ter

2. Locate and correct all leaks (see Checking Gas

Connections, page 13)

away from the heater

ComfortFlame.US.com 900557-00 NC22

REMOTE-READY VARIABLE CONTROL MODELS

LPG

5

6

21

14

22

14

23

24

2

2

19

20

16

1

18

17

10

11

4

3

8

8

12

14

13

7

15

9

8

25

RIVERCYN24FMN AND RIVERCYN24FMP

Cat. No. Model

F2583 RiverCyn24FMN
F2584 RiverCyn24FMP

PARTS

ComfortFlame.US.com900557-00 NC 23

PARTS

REMOTE-READY VARIABLE CONTROL MODELS

This list contains replaceable parts used in your appliance. When ordering parts, follow the instructions listed under Replacement Parts on
page 19 of this manual.

WARNING: Contact an IHP dealer to obtain any of these parts. Never use substitute materials not approved

by IHP. Use of non-approved parts can result in poor performance and safety hazards.

KEY
NO. PART NO. DESCRIPTION RiverCyn24FMN RiverCyn24FMP QTY.

1 ** Ramp Burner Base • • 1
2 J4596 Electronic Igniter • • 1
3 J4819 Ramp Front Burner • • 1
4 J4924 Ramp Back Burner Kit • • 1
5 J3831 O.D.S. Pilot, Natural • 1
6 J3830 O.D.S. Pilot, Propane/LP • 1

J4844 Pilot Bracket • • 1
7 J3558 Nut, ODS • • 2
8 J1955 Screw • • 8
9 J8106 Air Deflector Bracket • • 1

10 J3720 Jumper Wire • • 1
11 J3671 Rear Burner Orifice, Natural • 1

J3670 Rear Burner Orifice, Propane/LP • 1

12 J3673 Front Burner Orifice, Natural • 1

J3672 Front Burner Orifice, Propane/LP • 1

13 J4835 Remote Burner Tube • • 1
14 J1961 Screw • • 5
15 J3654 Pilot Regulator, Natural • 1
16 J3637 Pilot Tube, Natural • 1

J3635 Pilot Tube, Propane/LP • 1

17 J6833 Male Fitting • • 1
18 J3836 Gas Control Valve, Natural • 1

J3837 Gas Control Valve, Propane/LP • 1

19 J3840 Control Knob Extension • • 1
20 J3841 Flame Adjustment Knob Extension • • 1
21 J4516 Remote Valve Bracket • • 1
22 J4846 Remote Knob Heat Shield • • 1
23 J3571 Igniter Cable • • 1
24 J3660 Pilot Tube, Natural Gas • 1
27 J5674 Air Shield • 1

PARTS AVAILABLE NOT SHOWN

J8104
J3658 Warning Plate • • 1
J3846 Lighting Instruction Plate • • 1
J8105 Caution Decal • • 1
J3689 Hardware Kit • • 1
80L42 Volcanic stone • • 1

Remote Sensor Bracket • • 1

** Not a field replaceable part.

ComfortFlame.US.com 900557-00 NC24

1

2

3

4

5

6

7

PARTS

LOG MODELS
RIVERCYN24FMN AND RIVERCYN24FMP

This list contains replaceable parts used in your appliance. When ordering parts, follow the instructions listed under Replacement Parts on
page 19 of this manual.

PART NUMBER

KEY

RiverCyn24FMN

NO.

RiverCyn24FMP

DESCRIPTION QTY

1 J5714 Front Right Log 1
2 J5713 Front Left Log 1
3 J6554 Middle Right Log 1
4 J5712 Middle Left Log 1
5 J5716 Bottom Log (Remote) 1

J5710 Bottom Log (T-stat) 1
6 J5715 Rear Log 1
7 J6792 Switch Log 1

ComfortFlame.US.com900557-00 NC 25

ACCESSORIES

Purchase these appliance accessories from your local dealer. If they can
not supply these accessories, contact IHP at ComfortFlame.US.com
for referral information. You can also write to the address listed
on the back page of this manual.

Only kits supplied by IHP shall be used in the installation of this
appliance. Use of non-approved accessory/part kit can result in
poor performance and safety hazards.

FIREPLACE HOOD, BLACK
Cat. No. F1764, Model GA6050

For all models. Helps deflect heat away from mantel or wall above

fireplace. Fits openings 28" to 48" wide.

DAMPER CLAMP
Cat. No. F1760, Model GA6080

Permanently opens chimney flue damper for vented operation.

VOLCANIC STONE
Cat. No. 80L42, Model GA6060
For all models. Order when additional volcanic stone is desired.

DECORATIVE ASH BED/CONTROL COVER KIT
Cat. No. F0246, Model CDABKA

For all models. Order when additional loose logs are desired.

GAS APPLIANCE INSTALLATION KIT
Cat. No. F0249, Model CIKA

For all models.

ComfortFlame.US.com 900557-00 NC26

Innovative Hearth Products

Comfort Flame™ Brand Gas Log Set

Limited One Year Warranty

THE WARRANTY

Innovative Hearth Products Limited One Year Warranty ("IHP") warrants your Comfort Flame brand Gas Log Set ("Product") to be free from defects in materials and work­manship at the time of manufacture. The logs and grate carry the Limited One Year Warranty. After installation, if covered components manufactured by IHP are found to
be defective in materials or workmanship during the Limited One Year Warranty period and while the Product remains at the site of the original installation, IHP will, at
its option, repair or replace the covered components. If repair or replacement is not commercially practical, IHP will, at its option, refund the purchase price or wholesale
price of the IHP product, whichever is applicable. IHP will also pay IHP prevailing labor rates, as determined in its sole discretion, incurred in repairing or replacing such
components. THERE ARE EXCLUSIONS AND LIMITATIONS to this Limited Three Year Warranty as described herein.

COVERAGE COMMENCEMENT DATE

Warranty coverage begins on the date of purchase. In the case of new home construction, warranty coverage begins on the date of fi rst occupancy of the dwelling or six
months after the sale of the Product by an independent IHP dealer, whichever occurs earlier. The warranty shall commence no later than 24 months following the date of
product shipment from IHP, regardless of the installation or occupancy date.

EXCLUSIONS AND LIMITATIONS

This Limited Three Year Warranty applies only if the Product is installed in the United States or Canada and only if operated and maintained in accordance with the printed
instructions accompanying the Product and in compliance with all applicable installation and building codes and good trade practices.

This warranty is non-transferable and extends to the original owner only. The Product must be purchased through a listed supplier of IHP and proof of purchase must be
provided. The following do not carry the Limited Three Year Warranty but are warranted as follows:

Gas components – Repair or replacement for one year from the date of installation.
Remote control – Repair or replacement for one year from the date of installation.
Labor coverage – Prevailing IHP labor rates apply for the warranty period of the component.

Parts not otherwise listed carry a 90 day warranty from the date of installation.

Whenever practicable, IHP will provide replacement parts, if available, for a period of 10 years from the last date of manufacture of the product.

IHP will not be responsible for: (a) damages caused by normal wear and tear, accident, riot, fi re, fl ood or acts of God; (b) damages caused by abuse, negligence, misuse, or
unauthorized alteration or repair of the Product affecting its stability or performance (The Product must be subjected to normal use. The Product is designed to burn either
natural or propane gas only. Burning conventional fuels such as wood, coal or any other solid fuel will cause damage to the Product, will produce excessive temperatures
and could result in a fi re hazard.); (c) damages caused by failing to provide proper maintenance and service in accordance with the instructions provided with the Product;
(d) damages, repairs or ineffi ciency resulting from faulty installation or application of the Product.

This Limited One Year Warranty covers only parts and labor as provided herein. In no case shall IHP be responsible for materials, components or construction which are not
manufactured or supplied by IHP or for the labor necessary to install, repair or remove such materials, components or construction. Additional utility bills incurred due to
any malfunction or defect in equipment are not covered by this warranty. All replacement or repair components will be shipped F.O.B. from the nearest stocking IHP factory.

LIMITATION ON LIABILITY

It is expressly agreed and understood that IHP’s sole obligation and the purchaser’s exclusive remedy under this warranty, under any other warranty, expressed or implied,
or in contract, tort or otherwise, shall be limited to replacement, repair, or refund, as specifi ed herein.

In no event shall IHP be liable for any incidental or consequential damages caused by defects in the Product, whether such damage occurs or is discovered before or
after replacement or repair, and whether such damage is caused by IHP’s negligence. IHP has not made and does not make any representation or warranty of fi tness for a
particular use or purpose, and there is no implied condition of fi tness for a particular use or purpose.

IHP makes no expressed warranties except as stated in this Limited One Year Warranty. The duration of any implied warranty is limited to the duration of this expressed warranty.

No one is authorized to change this Limited One Year Warranty or to create for IHP any other obligation or liability in connection with the Product. Some states and provinces
do not allow the exclusion or limitation of incidental or consequential damages, so the above limitations or exclusions may not apply to you. The provisions of this Limited
One Year Warranty are in addition to and not a modifi cation of or subtraction from any statutory warranties and other rights and remedies provided by law.

INVESTIGATION OF CLAIMS AGAINST WARRANTY

IHP reserves the right to investigate any and all claims against this Limited One Year Warranty and to decide, in its sole discretion, upon the method of settlement.

To receive the benefi ts and advantages described in this Limited One Year Warranty, the appliance must be installed and repaired by a licensed contractor approved by IHP.

Contact IHP at the address provided herein to obtain a listing of approved dealers/distributors. IHP shall in no event be responsible for any warranty work done by a

contractor that is not approved without fi rst obtaining IHP's prior written consent.

HOW TO REGISTER A CLAIM AGAINST WARRANTY

In order for any claim under this warranty to be valid, you must contact the IHP dealer/distributor from which you purchased the product. If you cannot locate the dealer/
distributor, then you must notify IHP in writing. IHP must be notifi ed of the claimed defect in writing within 90 days of the date of failure. Notices should be directed to the
IHP Warranty Department at 1508 Elm Hill Pike, Suite 108; Nashville, TN 37210 or visit our website at WWW.COMFORTFLAME.US.COM.

Printed in U.S.A. © 2013 Innovative Hearth Products

P/N 900203-00, Rev. A 10/2015

Innovative Hearth Products
1508 Elm Hill Pike, Suite 108 • Nashville, TN 37210

P900557-00

ComfortFlame.US.com

Record the following important information about your appliance:

Appliance model number

Appliance serial number

Date appliance was Installed

Type of gas appliance uses

Dealer name

IHP reserves the right to make changes at any time, without notice, in design,
materials, specifications, prices and also to discontinue colors, styles and
products. Consult your local distributor for fireplace code information.

Printed in U.S.A. © 2015 Innovative Hearth Products
P/N 900557-00 Rev. NC 12/2015

1508 Elm Hill Pike, Suite 108 • Nashville, TN 37210