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.
WARNING: This is a gas-fired appliance. It uses air (oxygen) from the room in which it is installed. Provisions
for adequate combustion and ventilation air must be provided. Refer to the National Fuel Gas Codes, ANSI
Z233.1/NFPA 54, Air for Combustion and Ventilation.
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 re 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.
WARNING: Improper installation, adjustment,
alteration, service or maintenance can cause injury
or property damage. Refer to this manual for correct
installation and operational procedures. For assistance
or additional information consult a qualified installer,
service agency or the gas supplier.
WARNING: This is a gas-fired appliance. It uses air
(oxygen) from the room in which it is installed. Provisions for adequate combustion and ventilation air must
be provided. Refer to the National Fuel Gas Codes, ANSI
Z233.1/NFPA 54, Air for Combustion and Ventilation.
WARNING: This appliance is for installation only
in a solid-fuel burning masonry or UL127 factory-built
fireplace, constructed of noncombustible material, and
connected to a working flue. (See page 5 for minimum
flue opening.)
This appliance may be installed in an aftermarket*,
permanently located, manufactured (mobile) home,
where not prohibited by state or local codes.
*Aftermarket: Completion of sale, not for purpose of resale, from
the manufacturer.
State of Massachusetts: The installation must be made
by a licensed plumber or gas fitter in the Commonwealth
of Massachusetts.
WARNING: This product contains and/or generates
chemicals known to the State of California to cause
cancer or birth defects or other reproductive harm.
WARNING: Keep flue open when operating unit.
IMPORTANT: Read this owner’s manual carefully and
completely before trying to assemble, operate or service
this log set. Improper use of this log set can cause serious injury or death from burns, fire, explosion, electrical
shock and carbon monoxide poisoning.
DANGER: Carbon monoxide poisoning may lead
to death!
Carbon Monoxide Poisoning: Early signs of carbon monoxide poison-
ing resemble the flu, with headaches, dizziness or nausea. If you have
these signs, the log set may not be working properly. Get fresh air at
once! Have log set 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 Gas: Natural gas is 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
log set.
Comfortflame.US.com900578-00_NC2
SAFETY Continued
WARNING: Any change to this log set or its controls
can be dangerous.
WARNING: Do not use a blower insert, heat exchanger
insert or other accessory not approved for use with this
appliance.
WARNING: This appliance is equipped for natural
gas. An optional propane/LP conversion kit must be
installed for use with propane/LP gas.
WARNING: Do not allow fans to blow directly into
the fireplace. Avoid any drafts that alter burner flame
patterns.
WARNING: Installed decorative glass door enclosures must be fully opened when operating this gas
appliance.
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.
Appliance assembly becomes very hot when in use. Keep
children and adults away from hot surface to avoid burns
or clothing ignition. Appliance 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 appliance.
You must operate this appliance with a fireplace screen
in place. Make sure fireplace screen is closed before
running appliance.
Keep the appliance area clear and free from combustible materials, gasoline and other flammable vapors
and liquids.
are less than 42" from the front, top, or sides of the log set
•inhightrafcareas
•inwindyordraftyareas
3. 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. Inspect
chimney flue for damage. If damaged, repair flue before operating
appliance.
4. This log set is designed to be smokeless. If logs ever appear to
smoke, turn off appliance and call a qualified service person.
Note: During initial operation, slight smoking could occur due to
log curing and the burning of manufacturing residues. You may
wish to add more ventilation by opening a window.
5. To reduce the creation of soot, follow the instructions in Cleaning
and Maintenance, page 13.
6. The installation and provisions for combustion and ventilation air must
conform with the National Fuel Gas Code, ANSI Z233.1/NFPA 54, Air
for Combustion and Ventilation.
8. Do not burn solid fuel in the fireplace after installing the log set. Do
not use this log set to cook food or burn paper or other objects.
9. Do not use appliance if any part has been exposed to or under
water. Immediately call a qualified service technician to inspect
the room appliance and to replace any part of the control system
(if using GA9050A-1 (J1300) or GA9150A (J1302)) and any gas
control which has been under water.
10. To help prevent breakage, new logs must be broken-in (see Curing
Logs page 12).
11. Turn log set off and let cool before servicing, installing, or repairing. Only a qualified service person should install, service, or repair
log set.
12. Provide adequate clearances around air openings.
13. This vented gas log set may not be installed in a bedroom or
bathroom in the Commonwealth of Massachusetts.
Comfortflame.US.com900578-00_NC3
LOCAL CODES
Install and use fireplace with care. Follow all local codes. In the absence of local codes, use the latest edition of The National Fuel Gas
Code ANSI Z223.1/NFPA 54*.
*Available from:
American National Standards Institute, Inc.
25 West 43rd Street, 4th floor
New York, NY 10036
National Fire Protection Association, Inc.
1 Batterymarch Park
Quincy, MA 02169-7471
UNPACKING
CAUTION: Do not remove the data plates from
the burner pan. The data plates contain important
product information.
1. Remove logs, hearth kit, pan materials, and hardware from carton.
2. Remove all protective packaging applied to logs and base for
shipment.
3. Check heater for any shipping damage. If heater is damaged contact IHP at Comfortflame.US.com for replacement parts before
returning to dealer.
OPTIONAL PRODUCT FEATURES
ON/OFF SAFETY VALVE/PILOT KIT AND PROPANE/LP
CONVERSION
An optional valve/safety pilot kit with a piezo ignitor is available for
this appliance. This system requires no matches, batteries, or other
sources to light. You must use this optional system for LP conversion.
See Accessories, page 17.
REMOTE CONTROL READY (MILLIVOLT) SAFETY VALVE/PILOT
KIT
An optional millivolt valve/safety pilot kit with a piezo ignitor is available for this appliance. This system requires no matches, batteries, or
other sources to light. This system may be connected to a wall switch
or hand-held wireless remote control. See Accessories, page 17.
REMOTE CONTROL ACCESSORIES
There is an optional hand-held ON/OFF remote control that can be
purchased separately for this log set. You must use the millivolt
valve/safety pilot kit to use remote accessories with this appliance.
See Accessories, page 17.
A wall switch is also available for this appliance. You must use the
millivolt valve/safety pilot kit to use the wall switch with this appliance.
See Accessories, page 17.
PRODUCT IDENTIFICATION
Grate Steps (not
required for models
Grate
Burner
Pan
Burner Clamp
Burner Manifold
Hearth Kit Model ________________
Serial Number __________________
Log Set Model __________________
Oxford18LZN/24)
COMMONWEALTH OF MASSACHUSETTS REQUIREMENTS
These appliances are approved for installation in the US state of
Massachusetts if the following additional requirements are met:
•Install this appliance in accordance with Massachusetts Rules
and Regulations 248 C.M.R. Sections 4.00 through 8.00.
•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.
CAUTION: Do not remove the data plates attached
to the burner pan. The data plates contain important
warranty and safety information.
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 may create and distribute soot
within the house. Inspect chimney flue for damage. If
damaged, repair flue before operating heater.
NOTICE: Installation, service, and repair of this appliance must be performed by a qualified installer,
service agency, company or gas supplier experienced
with this type of gas appliance. Only factory authorized
components listed in these instructions may be used
in accordance with the manufacturer’s instructions
and all codes and requirements of the authority having jurisdiction. Any modifications to this kit, or use
of unauthorized components or accessory items will
void the manufacturer’s warranty, and may result in
a hazardous condition.
FLUE OPENING SPECIFICATIONS
Note: This vented appliance must be installed only in a solid-fuel
burning fireplace with a working flue and constructed of noncombustible material.
The charts in Figure 2, indicate technical information regarding
the installation of your gas log set. Please make sure that all of the
specifications shown are applicable before installation is attempted.
The fireplace must include a working flue and venting system with
the minimum openings shown in the Figure 2.
Model
Amherst18LZN
Oxford18LZN
Amherst24LZN
Oxford24LZN
Berkshire18LZN18" Dual55,00045,0008" dia.
Berkshire18LZN
Berkshire24LZN
Mendocino18LZN18" Triple65,00055,0008" dia.
Mendocino24LZN24" Triple70,00060,0008" dia.
FUEL INLET PRESSURE SPECIFICATIONS (W.C.)
NG5.5"10.5"
LP11"13"
Models: Amherst18LZN, Oxford18LZN, Berkshire18LZN
Front Width*Back Width** DepthHeight
28"16"14"18"
Models: Amherst24LZN, Oxford24LZN, Berkshire24LZN
Front Width*Back Width** DepthHeight
29 3/4"17"15 1/2"18"
Front Width*Back Width** DepthHeight
28"16"15 1/2"18"
Front Width*Back Width** DepthHeight
30"22"15 1/2"18"
*Add 6" if safety valve/pilot is used
**At depth indicated
Burner De-
scription
18" Single50,00040,0008" dia.
24" Single60,00050,0008" dia.
24" Dual65,00055,0008" dia.
Min.Max.
MINIMUM FIREBOX SIZES
Model: Mendocino18LZN
Model: Mendocino24LZN
Btu/Hr Input
Natural Gas
Btu/Hr Input
Propane/LP
Gas
Minimum
Vent Open-
ing
BURNER ORIFICE
LOGNATURALPROPANE/LP
SIZEIN.NUM.IN.NUM.
Oxford18LZN,
Amherst18LZN
Berkshire18LZN
Oxford24LZN,
Amherst24LZN
Berkshire24LZN,
Mendocino18LZN
Mendocino24LZN0.1405280.08943
Figure 2 - Technical Information Charts
Comfortflame.US.com900578-00_NC5
0.120310.07349
0.129300.086 44
INSTALLATION Continued
CHECK GAS TYPE
Use only natural gas. If your gas supply is not natural gas, you must
install ON/OFF Safety Valve/Pilot Kit (see Accessories, page 17). Call
dealer where you bought log set.
If the fireplace does not have a gas supply shutoff valve, one must
be installed.
VENTING SPECIFICATIONS FOR INSTALLATION
The fireplace chimney flue and vent must be drafting properly. To
check the vent for proper drafting: Light a tightly rolled newspaper on
one end and place it at the inside front edge of the fireplace. Observe
the smoke and be sure the vent is properly drawing it up the chimney.
If the smoke spills out into the room, extinguish the flame and remove
any obstruction until proper venting is achieved.
The chimney flue must remain open a minimum of 3" at all times
during the operation of this log set.
For Massachusetts Residents Only
Installation of this vented gas log set in the Commonwealth of Massachusetts requires the damper be permanently removed or welded
in the fully open position.
INSTALLING DAMPER CLAMP
Secure the damper stop clamp provided to the leading edge of the
damper as shown in Figure 3. If for any reason this clamp doesn't
work on your fireplace, another suitable clamp or permanent stop
must be installed, or the damper blade must be cut or removed.
Damper
Clamp
Damper
CONNECTING TO GAS SUPPLY
WARNING: A qualified service person must connect
log set to gas supply. Follow all local codes.
Installation Items Needed
Before installing log set, make sure you have the items listed below.
• piping(checklocalcodes)
• sealant(resistanttoPropane/LPgas)
• equipmentshutoffvalve
• testgaugeconnection
• adjustable(crescent)wrenchorpliers
• sedimenttrap
• teejoint
• pipewrench
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 log set.
If pipe is too small, undue loss of volume will occur.
Installation must include a 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 log set (see Figure 4, page 8).
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.
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 a clogged burner injector.
Damper
Masonry Fireplace
Figure 3 - Attaching Damper Clamp
Damper
Clamp
Manufactured
Fireplace
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 4, page 7. 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 log set controls. If sediment trap is not installed
or is installed wrong, log set may not run properly.
Comfortflame.US.com900578-00_NC6
Approved Flexible Gas Hose
(if allowed by local codes)
Equipment Shutoff
Valve With 1/8" NPT
Tap*
3" Minimum
INSTALLATION Continued
From Gas
Meter (5"
W.C.** to
10.5" W.C.
Pressure)
Test Pressures Equal To or Less Than 1/2 PSIG (3.5 kPa)
1. Close equipment shutoff valve (see Figure 5).
2. Pressurize supply piping system by either using compressed air
or opening main gas valve located on or near gas meter.
3. Check all joints from gas meter to equipment shutoff valve (see
Figure 5). Apply noncorrosive leak detection fluid to gas joints.
Bubbles forming show a leak.
4. Correct all leaks at once.
Equipment
Shutoff
Valve
Gas Meter
Cap
Pipe
Nipple
Tee
Joint
Sediment Trap
* Purchase the optional equipment shutoff valve from your dealer.
** Minimum inlet pressure for purpose of input adjustment.
Figure 4 - Gas Connection
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.
PRESSURE TESTING GAS SUPPLY PIPING SYSTEM
Test Pressures In Excess Of 1/2 PSIG (3.5 kPa)
1. Disconnect log set and its individual equipment shutoff valve from
gas supply piping system.
2. Cap off open end of gas pipe where equipment shutoff valve was
connected.
3. Pressurize supply piping system by either using compressed air
or opening main gas valve located on or near gas meter.
4. Check all joints of gas supply piping system. Apply noncorrosive leak
detection fluid to gas joints. Bubbles forming show a leak.
5. Correct all leaks at once.
6. Reconnect log set and equipment shutoff valve to gas supply.
Check reconnected fittings for leaks.
Figure 5 - Checking Gas Joints
HEARTH KIT ASSEMBLY AND INSTALLATION
Kit Assembly - Single and Dual-Flame Only
1. Determine which side gas line will be coming into fireplace.
NOTICE: Triple-burner models Mendocino18LZN and
Mendocino24LZN come pre-assembled with gas inlet
on right side of burner pan. DO NOT attempt to reposition burner on triple-burner models. If your fireplace
supply is on the left side, a longer 3/8" flex line should
be purchased and routed behind burner pan and away
from flame area.
2. Using a hammer and screw driver, remove knockout plug from
side of pan that corresponds to gas line (see Figure 6, page 8).
3. Unscrew burner inlet fitting from burner manifold.
4. Place burner manifold in pan with threaded opening facing open
knockout plug.
5. Using thread sealant (resistant to the action of propane/LP gas)
on larger end of fitting, screw burner inlet fitting through hole
and into burner manifold (see Figure 6, page 8). Tighten using a
wrench. If using propane/LP gas, see Propane/LP Gas Conversion,
page 10.
6. Using burner clamp, screw, and nut provided, assemble clamp
to pan (“U” style and triple burners only). This will hold burner
manifold in place.
7. If using optional GA9050A-1 (F0235) kit, go to Optional
GA9050A-1 (F0235) On/Off Safety Valve/Pilot Kit , page 8, for
installation instructions. If using optional GA9150A (F0237) kit,
follow instructions included with kit for installation and operation.
Comfortflame.US.com900578-00_NC7
Knockout
Plugs
Burner Manifold
Burner Inlet
Fitting
Burner Pan
(Front)
SINGLE-BURNER
INSTALLATION Continued
Installation and Gas Connection
1. Place burner pan assembly in center of fireplace floor. Make sure
front of pan faces forward.
2. Thread gas supply fitting to fireplace gas supply pipe. Use thread
sealant.
3. Install adapter fitting onto burner inlet fitting using thread sealant
on male threads of burner inlet fitting (see Figure 7). Adjust to
most convenient position.
4. Install gas connector tube to gas supply fitting. Carefully shape
tube to attach to adapter fitting. Be careful not to cause kinks in
tube.
Gas
Connector
Tube
Burner
Manifold
Knockout
Plugs
Burner
Manifold
Front
Burner
Nut
Burner Pan
(Front)
DUAL-FLAME
Burner Clamp
Burner Inlet
Fitting
Screw
Gas Connection
Must Be On
Right Side For
Triple Burner
For additional convenience and safety, or for propane/LP conversion,
an optional ON/OFF safety valve/pilot kit is available. See Accessories,
page 17.
Adapter
Fitting
WARNING: You must use a ON/OFF safety valve/
pilot kit for propane/LP conversion.
Burner Pan
(Front)
Burner Inlet
Fitting
TRIPLE-BURNER
Figure 6 - Installing Burner
Natural Gas Installation
1. Thread gas control valve onto burner inlet fitting (see Figure 8,
page 9). Use thread sealant on male threads of burner inlet fitting.
Hold burner inlet fitting with a wrench to prevent overtightening
connection to the burner. Make sure control rod is facing the front
(see Figure 8, page 9).
2. Attach pilot gas line to pilot outlet of gas control valve and tighten.
Connect thermocouple to rear of gas control valve. See Figure 9.
Do not overtighten. If using propane/LP gas, see Changing Pilot
Orifice, page 10.
3. Install inlet fitting into inlet opening of gas control valve (see
Figure 10, page 9). Use thread sealant on male pipe threads.
4. Place burner pan assembly in center of fireplace floor. Make sure
front of pan faces forward.
5. Thread gas supply fitting to fireplace gas supply pipe. Adjust to
most convenient position.
Comfortflame.US.com900578-00_NC8
Burner Inlet
Fitting
Burner Pan
Assembly
Figure 8 - Installing Gas Control Valve
Thermocouple
and Line
INSTALLATION Continued
Gas Control
Valve
Control Rod
6. Install gas connector tube to gas supply fitting. Carefully shape
tube to attach to adapter fitting. Be careful not to cause kinks in
tube.
7. Test for leaks following instructions under Testing Burner for
Leaks, page 10.
8. Retighten and adjust location of gas control as necessary. Gas control
should be level, with control rod to front.
9. Install cover to burner pan using screws provided.
10. Install thermocouple, pilot, and ignitor onto valve cover as shown
in Figure 11. Use provided screws.
11. Push control rod extension onto “D” shaped control rod through
center hole in cover.
12. Install position decal and control knob making sure to align marks
with correct stop positions of gas control. Pilot position will allow
knob to push in about 1/2". Align decals in pilot position.
Screw
Thermocouple
Pilot and
Line
Gas Control
Valve
Figure 9 - Gas Control Valve with Thermocouple and Pilot
Gas
Connector
Tube
Gas Inlet
Gas Control
Valve
Inlet
Opening
Fitting
Ignitor
Control
Knob
Pilot
Valve Cover
Piezo Ignitor
Control Rod
Extension
Figure 10 - Installing Inlet Fitting and Gas Connector Tube
Comfortflame.US.com900578-00_NC9
Figure 11 - Installing Cover, Control Knob, and Piezo Ignitor
INSTALLATION Continued
PROPANE/LP GAS CONVERSION
To convert to propane/LP gas, burner inlet fitting and pilot orifice must
be replaced. Propane/LP burner inlet fitting is supplied with orifice
installed for a 24" log set. If you have an 18" or 30" set, you must
change this orifice also. See Figure 1, page 4 for product identification.
Burner Inlet Fitting
1. Remove burner inlet fitting from burner pan assembly. DO NOT
remove orifice from this fitting. Propane/LP burner inlet fitting is
included in hardware kit (see Figure 12).
2. Be sure to use correct orifice for your appliance. The hardware kit
included with this appliance contains two orifices with a cone-like
for a 30" set, it is black. If you have a 24" log set, orifice is already
installed inside fitting.
3. For an 18" or 30" set, use a 10 mm socket or nut driver to remove
orifice from propane/LP burner inlet fitting. Choose the correct orifice
for your log set size and install in place of orifice you just removed.
4. Using thread sealant (resistant to the action of propane/LP gas)
on larger end of fitting, screw burner inlet fitting through hole and
into burner manifold (see Figure 13). Tighten using a wrench.
5 . Follow steps 1 through 12 under Natural Gas Installation, pages
8 and 9.
Changing Pilot Orifice
The pilot is provided with a natural gas orifice installed. For propane/
LP gas you must remove it and replace it with an propane/LP orifice.
The accessory hardware kit contains an propane/LP orifice with a red
stripe for converting pilot.
1. Gently loosen and remove pilot line connection from bracket (see
Figure 14).
2. Replace injector (see Figure 14) with propane/LP pilot injector
with red stripe.
3. Replace and tighten pilot line to bracket.
4. Continue with step 3 under Natural Gas Installation, page 8.
Pilot Injector
Figure 14 - Installing Propane/LP Pilot Orifice
Injector
for Natural
Gas
NATURAL
GAS
FITTING
Figure 12 - Burner Inlet Fittings with Injectors
Burner Inlet
Fitting for
Natural Gas
Injector for
Propane/
LP Gas
PROPANE/
LP GAS
FITTING
TESTING BURNER FOR LEAKS
1. Generously apply noncorrosive leak detection fluid to all connections.
WARNING: Never check for gas leaks with open
flame.
2. Light burner with shutoff valve no more than half open and holding
a match slightly in front of pan (see Lighting Instructions, page
12).
3. Inspect all connections for bubbles, raw gas odor, or flame from
any area other than burner (leaks). If leaks are detected, shut off
gas valve immediately. Tighten, or reassemble loose connection(s)
using pipe joint compound until burner system is leak free.
4. When burner is tested and leak free, observe individual tongues
of flame on burner.
Note: Burner design includes more ports on the outside of the
bar. Make sure that all ports are clear and producing flame evenly
across burner. If any ports appear blocked, clear them by removing
burner manifold and reaming ports with a modified paper clip or
other suitable tool.
5. When finished testing, turn gas shutoff valve OFF to extinguish
all flames.
Figure 13 - Remove Burner Inlet Fitting
ADDING PAN MATERIAL
1. Open bag of ash bed material (vermiculite) and spread it evenly
across burner pan to top. You may overflow front and sides of
pan to cover entire pan and connecting hardware. Do not cover
GA9050A-1 (F0235) or GA9150A (F0237) valve.
2. Open glowing embers and evenly cover ash bed material (vermiculite) in burner pan.
Comfortflame.US.com900578-00_NC10
INSTALLATION Continued
INSTALLING GRATE AND LOGS
1. Place grate over burner pan where two outer horizontal supports
on grate fit into two pan positioning notches in rear vertical edge
of pan.
2. Slide two rear log grate steps over two outer horizontal supports on grate as shown in Figure 15. (Not required for models
Oxford18LZN/24.)
3. Place back log on grate onto grate steps (see Figure 16).
4. Place front log(s) on grate and slide forward against front bars
on grate (see Figure 16).
NOTE: Logs may vary from Figure 16 depending on model.
5. Place smaller top logs onto bottom logs (see Figure 17). Leave
as much open space between logs as possible to minimize flame
impingement and sooting.
Note: Logs may chip if they are handled roughly or if hit together
while being placed.
Grate Steps
Grate
Amherst Round Oak
Figure 15 - Installing Grate (Pan Material Not Shown)
Berkshire Oak
Oxford Oak
Figure 16 - Installing Front and Back Logs (Number and style
may vary)
Comfortflame.US.com900578-00_NC11
Figure 17 - Placement of Top Logs
OPERATION
FOR YOUR SAFETY
READ BEFORE LIGHTING
WARNING: Keep flue open when operating unit.
WARNING: If you do not follow these instructions
exactly, a fire or explosion may result causing property
damage, personal injury or loss of life.
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 re department.
LIGHTING
INSTRUCTIONS
1. STOP! Read the safety information, above.
2. Turn gas shutoff valve to OFF.
3. Wait five (5) minutes to clear out any gas. If you then smell gas
STOP! Follow the safety information, above. If you don't smell
gas, go on to the next step.
4. Light a match and lay it on top of pan material about 2" from end
of supply side of pan
5. Slowly turn gas shutoff valve ON until burner ignites. If burner
Adjust the flame ON/OFF by turning gas shutoff valve counterclockwise to open or clockwise to close, as necessary.
Shutting Off Appliance
Turn gas shutoff valve clockwise to OFF position.
CURING LOGS
During the 2-3 hour appliance break-in period, you may detect an
odor from the appliance as various paints and compounds used in
manufacturing of this log set cure. This is a normal and temporary
situation that is not cause for alarm. However, you may want to provide
extra ventilation to the room during this time.
ditional 2" to full flame height for a total of three hours.
OPERATING INSTRUCTIONS
FOR GA9050A-1 (F0235)
Note: Operation instructions for GA9050A-1 (F0235) Remote Ready
Valve/Pilot Kit will be included with the kit.
1. STOP! Read the safety information, column 1.
2. Make sure equipment shutoff valve is fully open.
3. Press in and turn control knob clockwise to the OFF position.
4. Wait five (5) minutes to clear out any gas. Then smell for gas
around log set and near floor. If you smell gas, STOP! Refer to the
National Fuel Gas Codes, ANSI Z233.1/NFPA 54, Air for Combus-
6. With control knob pressed in, push down and release ignitor
button. This will light pilot. The pilot is attached to the rear of the
front burner. If needed, keep pressing ignitor 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.
7. Keep control knob pressed in for 30 seconds after lighting pilot.
After 30 seconds, release control knob.
Note: If pilot goes out, repeat steps 3 through 7.
8. Turn control knob counterclockwise to the ON position.
Burner should light. If burner does not light, call a qualified service
person.
9. To leave pilot lit and shut off burners only, turn control knob
clockwise to the PILOT position.
should examine and clean the venting system of the fireplace.
Pilot
Burner
TO LIGHT
TURN OFF
PULL PUSH
SLIGHT PUSH TO
FROM "PILOT" POSITION
ONOFF
Figure 18 - Ignitor and Control Knob
Thermocouple
Figure 19 - Thermocouple and Pilot
TO TURN OFF GAS
TO APPLIANCE
OFF
1. Turn control knob clockwise to the PILOT position.
2. Press in and turn control clockwise to the OFF position.
3. Close equipment shutoff valve.
Comfortflame.US.com900578-00_NC13
TROUBLESHOOTING
WARNING: Turn off log set and let cool before servicing. Only a qualified service person should service
and repair log set.
Note: All troubleshooting items are listed in order of operation.
OBSERVED PROBLEM
Log set is smoking/sooting excessively
(Note: It is natural and unavoidable for
vented gas log sets to produce moderate
levels of carbon (soot) where flames contact the logs. This is especially true with
propane/LP gas.)
Burner is excessively noisy
(Note: The movement and combustion of gas
will create low, unavoidable levels of noise.)
Burner flame is too low or too high
When ignitor button is pressed, there is no
spark at pilot (GA9050A-1 (F0235) Only)
POSSIBLE CAUSE
1. Poor fuel quality
2. Fireplace venting system not drafting
properly
3. Excessive flame impingement or blockage
4. Improper fuel/air mixture
5. Excessive gas supply/pressure
1. Passage of air/gas across irregular surfaces
1. Incorrect gas supply or pressure
2. Blocked burner orifice or burner manifold
ports
3. Improper burner orifice size
1. Ignitor electrode not connected to ignitor
cable
2. Ignitor cable pinched or wet
3. Bad ground on piezo ignitor
4. Broken ignitor cable
5. Bad piezo ignitor
6. Ignitor electrode broken
7. Ignitor electrode positioned wrong
REMEDY
1. Contact local natural or propane/LP gas
company
2. Adjust damper wide open and/or have
fireplace and venting professionally
cleaned and checked
3. Separate the logs to allow more flame
passage
4. Remove any foreign items from the flame
pattern and/or check for proper orifice
sizing
5. Preheat flue in very cold weather
1. Relieve any tight bends or kinks in gas
supply line
1. Check for proper gas supply pressure
2. Free burner orifice and manifold ports of
any burrs, paint, or other blockage
2. Free ignitor cable if pinched by any metal
or tubing. Keep ignitor cable dry
3. Scrape away paint on bracket for better
contact with ground on piezo ignitor
4. Replace ignitor cable
5. Replace piezo ignitor
6. Replace electrode
7. Reposition electrode
Comfortflame.US.com900578-00_NC14
OBSERVED PROBLEM
When ignitor button is pressed, there is
spark at pilot but no ignition (GA9050A-1
- F0235 Only)
TROUBLESHOOTING Continued
POSSIBLE CAUSE
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. Pilot adjustment screw closed
6. Pilot is clogged
7. Low gas pressure
REMEDY
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. Adjust pilot flame for approximately 2"
blue flame
6. Clean pilot (see Cleaning and Maintenance, page 13) or replace pilot assembly
7. Replace gas control
Pilot lights but flame goes out when control
knob is released (GA9050A-1 - F0235 Only)
Burner does not light after pilot is lit
(GA9050A-1 - F0235 Only)
Delayed ignition burner (GA9050A-1 - F0235
Only)
1. Control knob not fully pressed in
2. Control knob not pressed in long enough
3. Equipment shutoff valve not fully open
4. 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 pilot
5. Thermocouple connection loose at control valve
6. Thermocouple damaged
7. Control valve damaged
1. Burner orifice clogged
2. Inlet gas pressure is too low
3. Thermocouple leads disconnected or
improperly connected
1. Pilot flame needs adjusting
2. Wrong pilot orifice
1. Press in control knob fully
2. After pilot lights, keep control knob
pressed in 30 seconds
3. Fully open equipment shutoff valve
4.
A) Contact local natural gas company
B) Clean pilot (see Cleaning and Mainte-
nance, page 13) or replace pilot assembly
5. Hand tighten until snug, then tighten 1/4
turn more
6. Replace thermocouple
7. Replace control valve
1. Clean burner orifice
2. Contact local natural or propane/LP gas
company
3. Reconnect leads
1. Adjust pilot flame for approximately 2"
blue flame
2. Replace pilot orifice set
Comfortflame.US.com900578-00_NC15
TROUBLESHOOTING Continued
WARNING: If you smell gas
• Shut off gas supply.
• Do not try to light any appliance.
• Do not touch any electrical switch; do not use any phone in your building.
• Immediately call your gas supplier from a neighbor’s phone. Follow the gas supplier’s instructions.
• If you cannot reach your gas supplier, call the re department.
IMPORTANT: Operating log set 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. These odors
will disappear over time.
OBSERVED PROBLEM
Log Set produces a clicking/ticking noise
just after burner is lit or shut off
Log Set produces unwanted odors
Gas odor even when control knob is in OFF
position
Gas odor during combustion
POSSIBLE CAUSE
1. Metal expanding while heating or contracting while cooling
1. Log Set burning vapors from paint, hair
spray, glues, cleaners, chemicals, new
carpet, etc. (See IMPORTANT statement
above)
2. Gas leak. See Warning statement at top
of page
1. Gas leak. See Warning statement at top
of page
2. Control valve defective
1. Gas leak. See Warning statement at top
of page
REMEDY
1. This is normal with most log sets. If noise
is excessive, contact qualified service
person
1. Open flue to maximum. Stop using odor
causing products while log set is running
2. Locate and correct all leaks (see Checking
Gas Connections, page 7)
1. Locate and correct all leaks (see Checking
Gas Connections, page 7)
2. Replace control valve
1. Locate and correct all leaks (see Checking
Gas Connections, page 7)
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.
Comfortflame.US.com900578-00_NC16
REPLACEMENT PARTS
See Pages 18 to 23 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.
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 fireplace, please contact your dealer.
IHP
1508 Elm Hill Pike, Suite 108
Nashville, TN 37210
Visit us at Comfortflame.US.com
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.MODELDESCRIPTION
WALL-MOUNT ON/OFF SWITCH
For all models. Allows the gas log set to be turned on and off with a wall switch.
Valve/Pilot Kit GA9150A (F0237) must be purchased to use this remote.
F0245GWMS2Switch Wall Mount Kit
MANUAL CONTROL ON/OFF SAFETY VALVE/PILOT KIT
For all models. Contains components for propane/LP conversion
REMOTE CONTROL READY ON/OFF SAFETY VALVE/PILOT KIT
For all models. Required for remote control operation. Contains components for
propane/LP conversion.
(Not Shown)
(Not Shown)
(Not Shown)
F0237GA9150ARemote Control Ready ON/OFF Safety Valve/Pilot Kit
RECEIVER AND HAND-HELD REMOTE CONTROL KIT
For all models. Allows the gas log set to be turned on and off by using the hand-
held remote control. Valve/Pilot Kit GA9150A (F0237) must be purchased to use this
remote..
F0236RCKIT4001Standard On/Off Remote Control Kit
ASH BED MATERIAL (Vermiculite)
For all models. Use for firebox decoration only.
F0240GA9750AAsh Bed Material
GLOWING EMBERS
For all models. Use for firebox decoration only.
F0243GA9950AGlowing Embers
SILICA SAND
For all models. Use for firebox decoration only.
F0242GA9850ASilica Sand
VOLCANIC STONE
For all models. Use for firebox decoration only.
80L42GA6067AVolcanic Stone
DECORATIVE ASH BED CONTROL COVER - CDABKA
An attractive way to cover control knob and piezo ignitor.
F0246CDABKADecorative Ash Bed
(Not Shown)
(Not Shown)
(Not Shown)
(Not Shown)
(Not Shown)
Comfortflame.US.com900578-00_NC17
PARTS
3
1
8
6
4
2
10
11
12
13
14
15
16
23
17
22
21
20
19
18
7
5
9
9
Oxford Round Oak Logs
Amherst Round Oak Logs
MODELS OXFORD18LZN, OXFORD24LZN, AMHERST18LZN AND AMHERST24LZN
CATALOG NO.MODEL
F2607Oxford18LZN
F2608Oxford24LZN
F2609Amherst18LZN
F2610Amherst24LZN
Amherst
Models
Only
Comfortflame.US.com900578-00_NC18
PARTS
This list contains replaceable parts used in your log set. When ordering parts, follow the instructions listed under Replacement Parts on
page 17 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.CATALOG NO. DESCRIPTION
1J7197Brass 3/8 FLR x 1/2 FPT Adapter••••1
2J7198Brass 3/8 FLR x 3/8 FPT Adapter••••1
3J7221Brass Air Mixer - Natural Gas••••1
4J7203Natural Gas Injector••1
J7291Log Grate, 5/8"•1
11J7303Bottom Front Log (CPR-18)•1
J7304Bottom Front Log (CPR-24)•1
12J7301Bottom Rear Log (CR-16)•1
J7302Bottom Rear Log (CR-20)•1
13J7238CPR12 Top Log••1
14J7239CPR13Y Top Log•1
15J7237CPR13 Top Log••1
16J7240CPR14 Top Log••1
17901640-01Bottom Front Log (CHR-18)•1
This list contains replaceable parts used in your log set. When ordering parts, follow the instructions listed under Replacement Parts on
page 17 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.
This list contains replaceable parts used in your log set. When ordering parts, follow the instructions listed under Replacement Parts on
page 17 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.
J4416Front Right Split Log - Mendocino Oak•1
18J4412Front Left Split Log - Mendocino Oak•1
J4415Front Left Split Log - Mendocino Oak•1
19J4408Left Top Log - Mendocino Oak••1
20J4409Right Top Log - Mendocino Oak••1
21J4411Left Center Top Log - Mendocino Oak••1
22J4410Right Center Top Log - Mendocino Oak••1
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.
1508 Elm Hill Pike, Suite 108 • Nashville, TN 37210
Comfortflame.US.com
Record the following important information about your fireplace:
Appliance model number
Appliance serial number
Date appliance was Installed
Type of gas appliance uses
Dealer name
Innovative Hearth Products reserves the right to make changes at any time, without notice, in
P900578-00
design, materials, specifications, prices and also to discontinue colors, styles and products.
Consult your local distributor for fireplace code information.