PFS
US
WELCOME HOME TO WARMTH
P900562-00
TM
Installation and Operation Instructions
Oak Ridge™ Vent-Free
Universal Firebox System
Models
®
Oakridge36YBP
Oakridge42YBP
P/N 900562-00 Rev. B 12/2015
INSTALLER: Leave this manual with the appliance.
CONSUMER: Retain this manual for future reference.
WARNING: Carefully review the instructions supplied with the decorative type unvented room heater for
the minimum fireplace size requirement.
Do not install the appliance in this firebox, unless this firebox meets the minimum dimensions required for
the installation.
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.
Report No. F12-020
WARNING: For use only with a listed, gas-fired unvented decorative room heater not to exceed 40,000
Btu/H.
Do not build a wood fire.
WARNING:
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
fireplace.
Please read and understand these instructions before installing
or operating.
TABLE OF CONTENTS
Safety ............................................................................................. 2
Local Codes ................................................................................... 3
Requirements for the Commonwealth of Massachusetts............... 3
Product Features ............................................................................ 3
Locating Firebox ............................................................................ 3
Product Specifications ................................................................... 4
Air for Combustion and Ventilation ................................................ 6
Installation ..................................................................................... 8
Service Hints ................................................................................ 15
Technical Service ......................................................................... 15
Replacement Parts ....................................................................... 15
Parts ............................................................................................ 16
Accessories .................................................................................. 17
Warranty ...................................................................................... 19
SAFETY
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.
This appliance may be installed in an aftermarket,*
permanently located, manufactured (mobile) home,
where not prohibited by local codes.
* Aftermarket: Completion of sale, not for purpose of resale, from the
manufacturer.
WARNING: This product contains 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, operate or
service this heater. Improper use of this fireplace can
cause serious injury or death from burns, fire, explosion, electrical shock and carbon monoxide poisoning.
WARNING: Any change to this firebox or its controls
can be dangerous.
WARNING: Do not allow fans to blow directly into
the firebox. 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 firebox.
Do not place clothing or other flammable material on
or near the appliance. Never place any objects in the
firebox or on logs.
Firebox front and screen become very hot when running heater. Keep children and adults away from hot
surface to avoid burns or clothing ignition. Firebox will
remain hot for a time after shutdown. Allow surface
to cool before touching.
THE FIREBOX CANOPY (HOOD) MUST NOT BE MODIFIED OR REPLACED WITH A CANOPY (HOOD) THAT
MAY BE PROVIDED WITH THE UNVENTED DECORATIVE
ROOM HEATER.
Carefully supervise young children when they are in
the room with firebox.
Comfortflame.US.com 900562-00B2
SAFETY Continued
COMMONWEALTH OF MASSACHUSETTS REQUIREMENTS
You must operate this fireplace with the provided
fireplace screen, hood if provided, in place. Make
sure these parts are in place and screens are closed
before running firebox. The supplied hood may not
be replaced with a hood which may be provided with
a log heater.
Keep the fireplace area clear and free from combustible materials, gasoline and other flammable vapors
and liquids.
1. Do not use this firebox as a wood-burning fireplace. Use only
decorative unvented room heaters (log sets).
2. Do not add extra logs or ornaments such as pine cones, vermiculite
or glowing embers (rockwool). Using these added items can cause
sooting.
3. Use only the provided hood or appropriate hood accessory. See
Accessories on Page 17.
4. Vent-free gas log heaters installed in these fireboxes require
fresh air ventilation to run properly. See Air for Combustion and
Ventilation, Page 6.
5. Do not run firebox
• where flammable liquids or vapors are used or stored
• under dusty conditions
6. Do not use this firebox to cook food or burn paper or other objects.
7. Turn firebox off and let cool before servicing. Only a qualified
service person should service and repair firebox.
8. Operating firebox above elevations of 4,500 feet could cause pilot
outage.
9. Do not use firebox if it has been under water due to shock hazard
that could result with the blower accessary (if installed) in place.
LOCAL CODES
Install and use heater with care. Follow all local codes. In the absence
of local codes, use the latest edition of The National Fuel Gas Code,
ANSI Z223.1/NFPA 54*. Firebox must be electrically grounded in
accordance with the National Electrical Code, ANSI/NFPA70 (latest
edition).
*Available from:
American National Standards Institute, Inc.
25 West 43rd Street, 4th floor
New York, NY 10036
National Fire Protection Association, Inc.
1 Batterymarch Park
Quincy, MA 02169-7471
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.
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.
PRODUCT FEATURES
OPERATION
This firebox is designed for use with approved ANSI Z21.11.2 decorative type unvented room heaters. (Physical size limitations apply.
Refer to minimum firebox requirements supplied with log heater.) It
requires no outside venting or chimney making installation easy and
inexpensive. When used without the blower, the firebox requires no
electricity making it ideal for emergency backup heat.
OUTSIDE AIR KIT ACCESSORY
The optional AK4 and AK4F air kit provides additional outdoor air to
improve burner efficiency and reduce build-up of condensation in living
space. Follow instructions included with air kit.
REFRACTORY BRICK LINER
Your firebox may feature a concrete refractory brick liner. As with all
concrete liners, this liner may develop slight cracks when exposed
to heat. These cracks will not affect the performance of the fireplace
or vent-free gas logs.
LOCATING FIREBOX
PLANNING
Plan where you will install the firebox. This will save time and money
later when you install the firebox. Before installation, consider the
following:
1. Where the firebox will be located. Allow for wall and ceiling clear-
ances (see Installation Clearances, Page 8).
2. Everything needed to complete installation.
3. These models CANNOT be installed in a bedroom unless the
maximum Btu rating of the installed vent-free log set is less than
10,000 Btu/hr.
4. Proper air for combustion and ventilation (Page 6).
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36" MODELS
PRODUCT SPECIFICATIONS
3
/4"
7
7
24
/8"
22 5/8"
Firebox Top View
1
/2"
4
7
/8"
4
1
5
/8"
1
33
/8"
Outside Air
Kit Location
(Optional)
1
/2"
21
5
6
/8"
1
/8"
36
1
/8"
38
40"
Front View
1
/2"
37
1
26
/2"
Electrical
Outlet
9
9
Left Side View
Figure 1 - Firebox Dimensions 36'' Model
13"
1
8
/4"8 1/4"
3"
1
/4"
3
/4"
3
/8"
7
3
/4"
9
Right Side View
Comfortflame.US.com 900562-00B4
PRODUCT SPECIFICATIONS Continued
42" MODELS
24
37 3/8"
3
/4"
7
7
/8"
21"
28 5/8"
Firebox Top View
1
/2"
4
1
/2"
21
1
33
/8"
6
Outside Air
Kit Location
(Optional)
5
/8"
1
/8"
42
1
/8"
44
46"
Front View
26
1
/2"
Electrical
Outlet
13"
1
8
/4"8 1/4"
5
3
/8"
1
9
3
/4"
9
Left Side View
Figure 2 - Firebox Dimensions 42'' Model
/4"
3
7
/8"
3
9
/4"
Right Side View
Comfortflame.US.com900562-00B 5
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. This 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 through 7 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.
Unusually tight construction is defined as construction where:
a. walls and ceilings exposed to the outside atmosphere have a
continuous water vapor retarder with a rating of one perm (6 x
-11
10
kg per pa-sec-m2) or less with openings gasketed or sealed
and
b. weather stripping has been added on openable windows and
doors and
c. caulking or sealants are applied to areas such as joints around
window and door frames, between sole plates and floors, between wall-ceiling joints, between wall panels, at penetrations
for plumbing, electrical and gas lines and at other openings.
If your home meets all of the three criteria above, you must provide
additional fresh air. See Ventilation Air From Outdoors, Page 7.
If your home does not meet all of the three criteria above, proceed
to Determining Fresh-Air Flow for Firebox Location.
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 is
a space whose volume is less than 50 cubic feet per 1,000 Btu per
hour (4.8 m3 per kw) of the aggregate input rating of all appliances
installed in that space and an unconfined space as a space whose
volume is not less than 50 cubic feet per 1,000 Btu per hour (4.8
m3 per kw) of the aggregate input rating of all appliances installed in
that space. Rooms communicating directly with the space in which
the appliances are installed*, through openings not furnished with
doors, are considered a part of the unconfined space.
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.
DETERMINING FRESH-AIR FLOW FOR FIREBOX 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 heater plus any
adjoining rooms with doorless passageways or ventilation grills
between the rooms.
1. Determine the volume of the space (length x width x height).
Length x Width x Height = __ cu. ft. (volume of space)
Example: Space size 22 ft. (length) x 18 ft. (width) x 8 ft. (ceiling
height) = 3168 cu. ft. (volume of space)
If additional ventilation to adjoining room is supplied with grills
or openings, add the volume of these rooms to the total volume
of the space.
2. Multiply the space volume by 20 to determine the maximum Btu/
Hr the space can support.
_____ (volume of space) x 20 = (Maximum Btu/Hr the space can
support)
Example: 3168 cu. ft. (volume of space) x 20 = 63,360 (maximum
Btu/Hr the space can support)
3. Add the Btu/Hr of all fuel burning appliances in the space.
Vent-free heater ______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 heater + 39,000 Btu/Hr
Total = 79,000 Btu/Hr
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AIR FOR COMBUSTION AND VENTILATION Continued
Into
Outlet
A
4. Compare the maximum Btu/Hr the space can support with the
actual amount of Btu/Hr used.
________ Btu/Hr (maximum the space can support)
________ Btu/Hr (actual amount of
Btu/Hr used)
Example: 63,360 Btu/Hr (maximum the space can support)
79,000 Btu/Hr (actual amount of Btu/Hr used)
The space in the above example is a confined space because the actual
Btu/Hr used is more than the maximum Btu/Hr the space can support.
You must provide additional fresh air. Your options are as follows:
A. Rework worksheet, adding the space of an adjoining room. If the
extra space provides an unconfined space, remove door to adjoining room or add ventilation grills between rooms. See Ventilation
Air From Inside Building.
B. Vent room directly to the outdoors. See Ventilation Air From
Outdoors.
C. Install a lower Btu/Hr heater, 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.
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.
(see option 3, Figure 3). Follow the National Fuel Gas Code, ANSI
Z223.1/NFPA 54, Air for Combustion and Ventilation for required size
of ventilation grills or ducts.
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.
Outlet
Air
ir
Inlet
Air
Inlet Air
Ventilated
Attic
To Attic
To
Crawl
Space
Ventilated
Crawl Space
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 3). You can also remove door into adjoining room
12"
Ventilation
Grills
Adjoining
Room,
Option 1
Or
Remove
Door into
Adjoining
Room,
Option
3
Ventilation Grills
Into Adjoining Room,
12"
Option 2
Figure 3 - Ventilation Air from Inside Building
Figure 4 - Ventilation Air from Outdoors
Comfortflame.US.com900562-00B 7
INSTALLATION
WARNING: A qualified service person must install
firebox. Follow all local codes.
WARNING: Never install the firebox
• in a bedroom or bathroom*
• in a recreational vehicle
• where curtains, furniture, clothing or other flammable
objects are less than 42" from the front, top or sides
of the firebox
• in high traffic areas
• in windy or drafty areas
* Unless the installed log set is rated at 10,000 Btu/
Hr or less in a bedroom or 6,000 Btu/Hr or less in a
bathroom.
CAUTION: Log heaters installed in this firebox
create warm air currents. These currents move heat
to wall surfaces next to firebox. Installing firebox next
to vinyl or cloth wall coverings or operating firebox
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.
B. Clearances from the top of firebox opening to ceiling should not be
less than 42".
C. When firebox is installed on carpeting or other combustible
material, other than wood flooring, firebox should be installed
on a metal or wood panel extending the full width and depth of
enclosure.
D. Clearances from bottom of firebox to the floor is 0".
These fireboxes can be installed as freestanding units against a wall with
the approved, optional cabinet mantels (see Accessories, Page 17) or as a
built-in unit. Clearances are the same for either installation method.
CAUTION: Do not install firebox directly on carpet
or vinyl.
Example
*
*Minimum 16" from Side Wall
IMPORTANT: Vent-free gas log heaters add moisture to the air. Although this is beneficial, installing firebox in rooms without enough
ventilation air may cause mildew to form from too much moisture.
See Air for Combustion and Ventilation, Page 6.
IMPORTANT: Make sure firebox is level. If firebox is not level, log set
will not work properly.
Note: Your firebox is designed to be used in zero clearance installations.
Wall or framing material can be placed against any exterior surface on the
rear, sides, top or bottom of your firebox, except where standoff spacers
are integrally attached. If standoff spacers are attached to your firebox,
these spacers can be placed directly against wall or framing materials. Use
the dimensions shown for rough opening to create the easiest installation.
Use dimensions shown for rough openings to create the easiest
installation (see Built-In Firebox Installation, Page 9).
INSTALLATION CLEARANCES
WARNING: Maintain the minimum clearances. If
you can, provide greater clearances from floor, ceiling
and adjoining wall.
Carefully follow these instructions. This will ensure safe installation.
Minimum Wall and Ceiling Clearances (see Figure 5)
A. Clearances from the side of fireplace cabinet to any combustible
material and wall should follow diagram in Figure 5.
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 5).
Mantel Clearances for Built-In Installation
If placing custom mantel above built-in firebox, you must meet the
minimum allowable clearance between mantel shelf and top of firebox
opening shown in Figure 6, Page 9. These are the minimum allowable mantel clearances for a safe installation. Use larger clearances
wherever possible to minimize the heating of objects and materials
placed on the mantel.
Figure 5 - Minimum Clearance for Combustible to Wall
WARNING: DO NOT ALTER, CUT, OR MODIFY FIREPLACE SPACERS.
WARNING: DO NOT FILL THE SPACES AROUND THE
FIREBOX WITH INSULATION OR OTHER MATERIALS.
WARNING: FRAMING MAY BE PLACED OR REST
AGAINST FIREPLACE SPACER, HOWEVER, FRAMING
MUST NEVER BE NOTCHED.
CAUTION: Do not allow the vent-free gas log
heater to touch or extend beyond the fireplace screen.
Comfortflame.US.com 900562-00B8
INSTALLATION Continued
Depth
(Minimum)
Width
(Inside to Inside)
Height
Supplied
Firebox Hood
Must Be Used
at All Times
Wire-mesh
Screen
Firebox
Noncombustible
Material May
Project Off this
Surface above
the Firebox Hood
Mantel Shelf
Note: Any portion of the
mantel shelf must NOT
extend beyond this profile.
12" 16" 20"
1
1
/
2
"
6
3
/
4
"
12"
Note: All vertical
measurements are
from top of fireplace
hood opening to
bottom of mantel shelf.
These minimum
clearances replace any
other recommended
clearances supplied
with your ANSI Z21.11.2
approved gas logs.
Wall board or facing
material (above
firebox) may be of
combustible material,
including decorative
mantel ornaments or
other similar projections off of the facing
material.
Framing
Material
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:
• raise the mantel to an acceptable height
• remove the mantel
BUILT-IN FIREBOX INSTALLATION
Built-in installation of this firebox involves installing firebox into a
framed-in enclosure. This makes the front of firebox flush with wall.
Optional brass trim accessories are available (see Accessories, Page
17). The brass trim will extend past sides of firebox approximately
1/2". This will cover the rough edges of the wall opening. If installing
a mantel above the firebox, you must follow the clearances shown
in Figure 6. Follow the instructions below to install the firebox in
this manner.
1. Frame in rough opening. The firebox framing should be constructed of 2 x 4 lumber or heavier. Use dimensions in the table
and rough opening layout in Figure 7a. Adjust framing so that
firebox flushes with finished wall surface. If installing in a corner,
use dimensions in Figures 7b for rough opening.
2. Install gas piping to firebox location. See Installing Gas Line, Page
10 and Connecting to Gas Supply in log set owner’s manual.
3. Carefully set firebox in front of rough opening with back of firebox
inside wall opening. IMPORTANT: If installing a perimeter trim kit,
see instructions included with trim accessory. You must install
shoulder screws from trim kit now.
4.
Carefully insert firebox into rough opening.
5. Attach firebox to wall studs using nails or wood screws through
holes in nailing flange (see Figure 7).
6. If using an optional perimeter trim kit, install the trim after final
finishing and/or painting of wall. See instructions included with
trim accessory for attaching trim.
7. Install and properly test gas log heater. Follow installation instructions included with the vent-free gas log heater that is being
installed.
IMPORTANT: When finishing your firebox, combustible materials such
as wall board, gypsum board, sheet rock, drywall, plywood, etc. may
be butted up next to the sides and top of the firebox. Combustible
materials should never overlap the firebox front facing.
Rough Opening Dimensions for
Built-in Installation
Front Width
Model
(Inside to Inside) Height
36" 38
42" 44
1
/4" 37 5/8" 22"
1
/4" 37 5/8" 22"
Depth
(Min.)
Figure 7a
Figure 7b
Figure 6 - Minimum Mantel Clearances for Built-In Installation
3
(36'') 47
(42'') 52
/8"
1
/2"
(36'') 66 7/8"
(42'') 72
7
/8"
Figure 7 - Rough Opening for Installing in Wall
Comfortflame.US.com900562-00B 9
INSTALLATION Continued
WARNING: Do not allow any combustible materials
to overlap the firebox front facing.
IMPORTANT: Noncombustible materials such as brick, tile, etc. may
overlap the front facing, but should never cover any necessary openings like louvered slots.
WARNING: Do not allow noncombustible materials
to cover any necessary openings like louvered slots.
WARNING: Use only noncombustible mortar or
adhesives when overlapping the front facing with
noncombustible facing material.
Nails or
Wood
Screws
INSTALLING GAS LINE
NOTICE: A qualified service person must connect heater
to gas supply. Follow all local codes.
IMPORTANT: See Connecting to Gas Supply in your log set owner’s
manual for details on gas hookup.
You may run the gas line from either side of the firebox (see Figure 9).
Decide which side you want to run the gas line from.
Note: This is one option for installing shutoff valve. Check local codes
for equipment shutoff valve location requirements.
Equipment Shutoff
Valves (Install One)
Nailing
Flanges
Figure 8 - Attaching Firebox to Wall Studs
INSTALLING FIREBOX USING OPTIONAL ACCESSORY MANTELS
WARNING: A qualified service person must install
firebox. Follow all local codes.
This firebox may be installed using a cabinet mantel accessory against
a wall in your home. The firebox and cabinet mantel can be installed
directly on the floor. A trim kit is included with the mantel accessories.
Follow instructions with mantel for installation.
Knockout
Locations
(Knock Out
One Hole)
Gas Line Hole
Figure 9 - Installing Gas Line and Equipment Shutoff Valve
(Model May Vary From Illustration)
Side View
1/2" Thick Liner
Firebrick Side Wall
Knockout
Figure 10 - Location of Knockout for Gas Line
Comfortflame.US.com 900562-00B10
Remove This Area
INSTALLATION Continued
INSTALLING OPTIONAL BLOWER ACCESSORY
NOTICE: The firebox identification label (including
model number, serial number, clearances, etc.) is
located in the right side screen pocket area on the
front of the firebox. See Figure 19, Page 14.
NOTICE: If a log set is installed in the firebox, disconnect log set from gas supply and remove from firebox.
Contact a qualified service person to do this.
Note: Appearance of firebox may vary depending on model.
There is one (1) blower accessory option for use with this fireplace.
Blower accessory model BK . Model BK is a rotary squirrel cage type
blower with magnetic attachment and variable speed control.
Wiring Instructions
1. Remove electrical cover plate with bushing from fireplace by
removing 2 sheet metal screws as shown in Figure 11, Page 13.
2. Slide power source wiring through electrical bushing opening and
electrical cover plate and make all necessary connections.
3. Slide all wiring connections in electrical housing as shown in
Figure 11.
4. Secure electrical cover plate with screws previously removed.
Note: Electrical housing and cover plate have sharp edges. Wear
protective gloves.
Accessibility to the bottom on 36" and 42" models, can be gained
through the access cover plate on the bottom front of the firebox
hearth. Remove the screws to expose the rectangular shaped access
panel (see Figure 12). The sides and back refractory brick liner pieces
do not have to be removed (if installed). Lift access panel out by using
finger holes. Blower accessory BK can now be installed.
Screws
Access Cover
Plate
Figure 12 - Removing Access Cover Plate
Electrical
Housing
Wire Nut (3x)
(Not Supplied)
Receptacle
(Supplied)
Pre-wired Receptacle and
Ground
Sheet
Metal
Screws
Electrical
Bushing
Electrical
Cover
Plate
Outer Wrapper of
Fireplace
Power Source Wiring
(Not Supplied)
To Power
Source
Electrical Cover
Plate and Electrical
Bushing
Fireplace Chassis
Ground
WARNING: If there is a duplex electrical outlet
installed in the right side of the bottom of the fireplace
base area (see Figure 13), be sure that the electrical
power to the outlet is turned off before proceeding
with blower installation. Failure to do this may result
in serious injury.
Duplex Electrical Outlet
Figure 13 - Accessing Duplex Electrical Outlet Installed in
Bottom Right Side of Firebox
Figure 11 - Fan Switch-Electrical Bushing
Comfortflame.US.com900562-00B 11
INSTALLATION Continued
Model BK Installation
1. Be certain that all wire terminals are securely attached to terminals
on blower motor and that the screw retaining the green ground
wire is tight (see Figure 14).
2. Place blower against lower rear wall of firebox outer wrapper with
exhaust port directed upward. Depending on your model, you
may have to carefully route the blower assembly past controls
and brackets and position blower inside back opening. The
blower will be held in position against the back wall by magnets
incorporated onto blower housing (see Figure 14).
Magnetic Strips
Spade
Terminals
Exhaust
Port
Green
Ground
Wire
Screw
Air Flow
Direction
Blower
Installed
Side View
Firebox Bottom
After
Lower
Panel
Removed
Figure 14 - Blower Model BK
Blower
Location
Magnets
CAUTION: Use gloves as sheet metal parts may
be sharp.
4. Check to make sure power cord is completely clear of blower
wheel and there are no foreign objects in blower wheel. Also,
double check all wire leads and make sure wire routing is not
pinched or in a precarious position. Correct accordingly.
Control
Knob
Firebox
Hearth
Lock
Nut
Control
Shaft
3. Using pliers, remove lock nut from speed control by turning
counter clockwise. Mount speed control box by placing plastic
control shaft through hole on left or right side of the firebox
hearth by sliding control box down through large hole in firebox
bottom and up through hole (see Figure 15). Secure speed
control to firebox hearth with previously removed lock nut with
pliers by pushing and turning lock nut until it is tight against
firebox hearth of fireplace (see Figure 15).
Comfortflame.US.com 900562-00B12
Figure 15 -Attaching Speed Control (Model May Vary From
Illustration)
INSTALLATION Continued
Variable
CAUTION: Never touch a blower wheel while in
operation.
5. Turn on power to duplex outlet if previously turned off per warning in column 2, Page 11.
6. Plug in blower power cord to duplex outlet (see Figure 13,
Page 11).
7. Turn blower on and check for operation. Turn blower off by turning knob fully counterclockwise before continuing.
8. Peel off backing paper and stick supplied wiring diagram decal
on firebox bottom approximately 12" in front of blower (see
Figure 16).
9. Replace all panels if previously removed.
Off
110/115
V.A.C.
Black
Green
White
Wiring Diagram
Decal 12" in Front
of Blower
Fan Switch
1
2
On
Black
Blower
Motor
Figure 16 - Location of Wiring Diagram Decal (Model May Vary
From Illustration)
Comfortflame.US.com900562-00B 13
INSTALLATION Continued
OPTIONAL OUTSIDE AIR KIT (MODEL AK4/AK4F)
Installation of outside air kit should be performed during rough framing of fireplace due to the nature of it's location. Outside combustion
air is accessed through a vented crawl space (AK4F) or through a
sidewall (AK4). See Figure 17.
CAUTION: Combustion air inlet ducts shall not
terminate in attic space.
Secure to Collars with Metal Tape, Screws or
Straps (Min. of 1/4" x 20" in size)
Air Inlet
Location
Must Allow
For Bushes
or Snow
INSTALLING FIREPLACE HOOD AND SCREEN
1. Attach hood to firebox using screws provided (see Figure 18).
2. Insert each rod through all rings located at top of screen.
3. Insert first rod into rear hole in left side of firebox. Fasten rod to
rear hole near center of firebox using #10 x 3/8" Phillips screw
provided (see Figure 19).
4. Insert other rod into front hole on right side of firebox and fasten
using remaining Phillips screw.
Hood
Screws
Vented Crawl Space
(Check Local Codes
Before Installing in a
Vented Crawl Space)
Figure 17 - Outside Air Kit
Air Inlet
Eyebrow
Vent Hood
Required for Wall
Installation
Figure 18 - Screw and Hood Placement (Model May Vary From
Illustration)
Top View of Rod Layout
Rear Hole
Front
Hole
Identification
Label Location
Rod
Ring
Screen
Screw
Figure 19 - Installing Fireplace Screen (Model May Vary From
Illustration)
Comfortflame.US.com 900562-00B14
SERVICE HINTS
REPLACEMENT PARTS
When Gas Pressure Is Too Low
• pilot will not stay lit
• burner will have delayed ignition
• fireplace will not produce specified heat
• for propane/LP unit, propane/LP gas supply may be low
You may feel your gas pressure is too low. If so, contact your local
gas supplier.
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 fireplace ready. You can also visit our web
site at Comfortflame.US.com.
See Page 16 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 fireplace.
2. The serial number of the fireplace.
3. The part number.
4. The description of the part.
5. The quantity required.
6. The installation date of the fireplace.
If you encounter any problems or have any questions concerning the
installation or application of this fireplace, please contact your dealer.
IHP
1508 Elm Hill Pike, Suite 108
Nashville, TN 37210
Visit us at Comfortflame.US.com
Comfortflame.US.com900562-00B 15
PARTS
This list contains replaceable parts used in your firebox. When ordering parts, follow the instructions listed under Replacement Parts on
Page 15 of this manual.
CAT NO. MODEL
F2556 Oakridge36YBP
F2557 Oakridge42YBP
1
3
2
1
7
4
5
6
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.
Oakridge36YBP
KEY NO. CATALOG NO. DESCRIPTION
F2556
1 J4009 Kit, Screen Assembly • 1
J8006 Kit, Screen Assembly • 1
2 J6026 Hood, Deflector • 1
J6027 Hood, Deflector • 1
3 J6918 Top, Spacer • • 4
4 J4011 Conduit, Gas • • 4
5 J4387 Electrical Duct Assembly • • 1
6 J6937 Plate, Blower Access • • 1
7 J6934 Cover, Gas Conduit • 3
J6934 Cover, Gas Conduit • 2
Oakridge42YBP
F2557 QTY.
Comfortflame.US.com 900562-00B16
ACCESSORIES
Purchase these fireplace accessories from your local dealer. If they can not supply these accessories, contact IHP at Comfortflame.US.com
for referral information.
CAT NO. MODEL DESCRIPTION
RUNNING BOND REFRACTORY BRICK LINER KITS
F1055 BLB36SR 36” White Traditional Stacked Refractory Brick Liner
F1057 BLB42SR 42” White Traditional Stacked Refractory Brick Liner
OPTIONAL OUTSIDE AIR KIT FOR FLOOR INSTALLATION
F1091 AK4 Complete Outside Air Kit w/Collars Hood & 3' Flex
OPTIONAL OUTSIDE AIR KIT FOR SIDEWALL INSTALLATION
F1093 AK4F Outside Air Kit Collar, Hood & 3' Flex for Floor Venting
(NOT SHOWN)
BLOWER KIT
F1081 BK Manual Fan, Variable Speed
Comfortflame.US.com900562-00B 17
NOTES
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Comfortflame.US.com 900562-00B18
Innovative Hearth Products
Comfort Flame™ Brand Gas Fireplace and Insert
20 Year Limited Warranty
THE WARRANTY
Innovative Hearth Products ("IHP") 20 Year Limited Warranty warrants your Comfort Flame™ Brand gas fi replace or insert ("Product") to be free from defects in materials and workmanship at the time of manufacture. The Product body and fi rebox carry the 20 Year Limited Warranty. Ceramic glass carries the 20 Year Limited Warranty
against thermal breakage only. After installation, if covered components manufactured by IHP are found to be defective in materials or workmanship during the 20 Year
Limited 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 for up to fi ve years. THERE ARE EXCLUSIONS AND
LIMITATIONS to this 20 Year Limited 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/distributor, 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 20 Year Limited 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 Product body and fi rebox carry the 20 Year Limited Warranty from the date of installation. Vent components, trim components and paint are excluded from
this 20 Year Limited Warranty. The following do not carry the 20 Year Limited Warranty but are warranted as follows:
Burner – Repair or replacement for one year from the date of installation
Gas components – Repair or replacement for one year from the date of installation
Gaskets – Repair or replacement for one year from the date of installation
Gold & nickel plating – Replacement for two years from date of installation. Excludes tarnishing
Logs – Replacement for one year from the date of installation against thermal breakage only
Optional blowers & remote controls – Repair or replacement for one year from the date of installation
Optional glass doors – Repair or replacement for 90 days from the date of installation
Tempered glass – 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.
IHP is not responsible for inadequate fi replace system draft caused by air conditioning and heating systems, mechanical ventilation systems, or general construction
conditions which may generate negative pressure in the room in which the appliance is installed. Additionally IHP assumes no responsibility for drafting conditions caused
by venting confi gurations, adjoining trees or buildings, adverse wind conditions or unusual environmental factors and conditions that affect the operation of the unit.
This 20 Year Limited 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 repair or replacement, 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 20 Year Limited Warranty. The duration of any implied warranty is limited to the duration of this expressed warranty.
No one is authorized to change this 20 Year Limited 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 20 Year
Limited 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 20 Year Limited Warranty and to decide, in its sole discretion, upon the method of settlement.
To receive the benefi ts and advantages described in this 20 Year Limited 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 900198-00, Rev. A 10/2015
Innovative Hearth Products
Comfortflame.US.com900562-00B 19
1508 Elm Hill Pike, Suite 108 • Nashville, TN 37210
P900562-00
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 900562-00 REV. B 12/2015
1508 Elm Hill Pike, Suite 108 • Nashville, TN 37210
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