FMI HD18NRB Quick start guide

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UNVENTED (VENT-FREE) GAS LOG HEATER
OWNER’S OPERATION AND INSTALLATION MANUAL
18" AND 24" REMOTE CONTROL READY MODELS
HD18NRB, HD18PRB, HD24NRB AND HD24PRB
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SAFETY
TABLE OF CONTENTS
Safety .................................................................. 2
Local Codes......................................................... 5
3URGXFW,GHQWL¿FDWLRQ........................................... 5
Optional Remote Control Accessories................. 5
Unpacking............................................................ 5
Air for Combustion and Ventilation ...................... 6
Product Features................................................. 6
Installation ........................................................... 8
Operation........................................................... 18
Inspecting Burners............................................. 20
Cleaning and Maintenance................................ 21
Replacement Parts............................................ 22
Wiring Diagram.................................................. 22
6SHFL¿FDWLRQV .................................................... 23
Service Hints ..................................................... 23
Technical Service............................................... 23
Troubleshooting................................................. 24
Parts .................................................................. 28
Accessories ....................................................... 30
Warranty .............................................Back Cover
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for correct installation
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additional information
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from the room in which
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and ventilation air must
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&DUERQ 0RQR[LGH 3RLVRQLQJ Early signs
of carbon monoxide poisoning resemble the
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heater serviced. Some people are more af-
fected by carbon monoxide than others. These
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ence of alcohol and those at high altitudes.
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propane/LP gases are odorless. An odor-
making agent is added to the gas. The odor
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odor added to the gas can fade. Gas may be
present even though no odor exists.
Make certain you read and understand all
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is your guide to safe and proper operation of
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this heater or its controls can
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will remain hot for a time after
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dren when they are in the room
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hand-held remote accessory,
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SAFETY
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of gas indicated on the rating plate. This
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other gases.
2. Do not place propane/LP supply tank(s)
inside any structure. Locate propane/LP
supply tank(s) outdoors (propane/LP units
only).
3. If you smell gas
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use any phone in your building
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plier’s instructions
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4. This heater shall not be installed in a bed-
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vented appliance. See Installing Damper
Clamp Accessory for Vented Operation
page 12. This gas log set may not be
installed as a vented appliance in a bed-
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of Massachusetts.
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6. Do not burn solid-fuel in a masonry or
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vent-free room heater is installed.
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burst. Make sure there are no obstructions
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 7RSUHYHQWWKHFUHDWLRQRIVRRWIROORZWKH
instructions in Cleaning and Maintenance
page 21.
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FOHDQHURUVLPLODUSURGXFWVWXUQKHDWHURII,I
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lation to run properly. This heater has an
Oxygen Depletion Sensing (ODS) safety
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heater if enough fresh air is not available.
See Air for Combustion and Ventilation,
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Troubleshooting, page 23.
11. Do not run heater
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used or stored
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12. Do not use this heater to cook food or burn
paper or other objects.
13. Do not use heater if any part has been ex-
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DTXDOL¿HG VHUYLFHWHFKQLFLDQ WR LQVSHFW
the room heater and to replace any part
of the control system and any gas control
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14. Do not operate heater if any log is broken.
Do not operate heater if a log is chipped
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15. Turn heater off and let cool before servic-
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service or repair heater.
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home for long periods of time.
17. Operating heater above elevations of
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use propane/LP fuel tank of less than 100
lb. capacity (propane/LP units only).
19. Provide adequate clearances around air
openings.

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124702-01B 5
PRODUCT IDENTIFICATION
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Six
Piece
Log Set
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Ignitor
Flame
Adjustment
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Control
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Base
Assembly
OPTIONAL REMOTE
CONTROL ACCESSORIES
There are four optional remote controls that can
be purchased separately for:
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See AccessoriesSDJH
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PD\QRWEHXVHGZKHUHYHQWHGGHFRUDWLYH
listing is required.
State of Massachusetts: The installation
must be made by a licensed plumber
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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
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LOCAL CODES
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Note: Where listed vented decorative logs
are required, thermostat operation is not
permitted.
UNPACKING
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1. Remove logs and heater base assembly
from carton.
Note: Do not pick up heater base assem-
bly by burners. This could damage heater.
Always handle base assembly by grate.
2. Remove all protective packaging applied
to logs and heater for shipment.
3. Check heater for any shipping damage. If
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LLC at 1-866-328-4537 for replacement
parts before returning to dealer.

www.fmiproducts.com 124702-01B6
AIR FOR COMBUSTION AND VENTILATION
PRODUCT FEATURES
23(5$7,21
This heater is clean burning. It requires no
outside venting. There is no heat loss out a
vent or up a chimney. Heat is generated by
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heater is designed for vent-free operation
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and approved to ANSI Z21.11.2 standard for
unvented heaters. State and local codes in
some areas prohibit the use of vent-free heat-
ers. This heater may also be operated as a
vented decorative (ANSI Z21.60) product by
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tion Sensing (ODS) safety shutoff system. The
ODS/pilot is a required feature for vent-free
room heaters. The ODS/pilot shuts off the
heater if there is not enough fresh air.
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to light heater.
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National Fuel Gas Code, ANSI
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homes as airtight as possible.
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air must enter your home. All fuel-burning ap-
pliances need fresh air for proper combustion
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venting of vented fuel-burning appliances.
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you classify your space and provide adequate
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additional fresh air.
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construction where:
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and
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If your home meets all of the three criteria
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See Ventilation Air From OutdoorsSDJH
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www.fmiproducts.com
124702-01B 7
AIR FOR COMBUSTION AND VENTILATION
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The National Fuel Gas Code, ANSI Z223.1/
NFPA 54GH¿QHVDFRQ¿QHGVSDFHDVDVSDFH
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gregate input rating of all appliances installed
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IHHWSHU%WXSHUKRXUP3SHUNZ
of the aggregate input rating of all appliances
installed in that space. Rooms communicating
GLUHFWO\ZLWKWKHVSDFHLQZKLFKWKHDSSOLDQFHV
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* Adjoining rooms are communicating only if
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JULOOVEHWZHHQWKHP
DETERMINING FRESH-AIR FLOW
FOR HEATER LOCATION
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8QFRQ¿QHG6SDFH
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1. Determine the volume of the space (length
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Length x Width x Height =__________cu. ft.
(volume of space)
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(volume of space)
If additional ventilation to adjoining room
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volume of these rooms to the total volume
of the space.
2. Multiply the space volume by 20 to determine
the maximum Btu/Hr the space can support.
________ (volume of space) x 20 = (Maxi-
mum Btu/Hr the space can support)
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support)
3. Add the Btu/Hr of all fuel burning appliances
in the space.
 9HQWIUHH¿UHSODFH __________ Btu/Hr
 *DVZDWHUKHDWHU __________ Btu/Hr
Gas furnace __________ Btu/Hr
Vented gas heater __________ Btu/Hr
 *DV¿UHSODFHORJV __________ Btu/Hr
Other gas appliances* + ________ Btu/Hr
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outdoors and vents to the outdoors.
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 9HQWIUHH¿UHSODFH  ________ Btu/Hr
Total _________ = Btu/
Hr
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_____ Btu/Hr (maximum the space can
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______ Btu/Hr (actual amount of Btu/Hr used)
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space can support)
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Btu/Hr used)
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space because the actual Btu/Hr used is more
than the maximum Btu/Hr the space can sup-
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adjoining room. If the extra space provides
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rooms. See Ventilation Air From Inside
BuildingSDJH.
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Ventilation Air From Outdoors, page 8.
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fresh air ventilation.
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www.fmiproducts.com 124702-01B8
AIR FOR COMBUSTION AND VENTILATION
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Figure 3 - Ventilation Air from Outdoors
Outlet
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grills or ducts.
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items directly to the outdoors or spaces open
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of ventilation grills or ducts.
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inlet or outlet air into attic if attic has a thermo-
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124702-01B 9
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air vents or ash clean-out doors
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WARNING: Never install the
heater
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unless installed as a vented
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INSTALLATION
Continued
CAUTION: This heater cre-
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currents move heat to wall sur-
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heater next to vinyl or cloth wall
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the air exist, may discolor walls
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IMPORTANT:Vent-free heaters add moisture
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moisture. See Air for Combustion and Ventila-
tionSDJH
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Use the correct gas type (natural or propane/
LP) for your unit. If your gas supply is not cor-
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INSTALLATION AND CLEARANCES
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www.fmiproducts.com 124702-01B10
INSTALLATION
Continued
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cabinet to any combustible material and
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etc. is made of combustible material and
protrudes 3 1/2IURPWKHZDOO7KLVFRP-
EXVWLEOHPDWHULDOPXVWEHIURPWKHVLGH
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Note: When installing your gas logs into
D PDQXIDFWXUHG ¿UHER[ IROORZ ¿UHER[
manufacturer’s instructions for minimum
clearances to combustible materials.
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opening to the ceiling should not be less
WKDQ
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If so, you must always run heater
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QHHGHG*RWRInstalling Damper
Clamp Accessory for Vented
OperationSDJH
Figure 4 - Minimum Clearance for
Combustible to Wall
*Minimum 16 inches from Side Wall
Example
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Clearances ,I1RW8VLQJ0DQWHO
Note: If using a mantel proceed to If Using
Mantel, page 11. If not using a mantel, follow
the information on this page.
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DERYHWKH¿UHSODFHRSHQLQJ1RQFRPEXVWLEOH
PDWHULDOVVXFKDVVODWHPDUEOHWLOHHWFPXVW
EHDWOHDVWLQFKWKLFN:LWKVKHHWPHWDO\RX
must have noncombustible material behind
it. Noncombustible material must extend at
OHDVWXSIRUDOOPRGHOV,IQRQFRPEXVWLEOH
PDWHULDOLVOHVVWKDQ\RXPXVWLQVWDOOWKH
¿UHSODFHKRRGDFFHVVRU\0RGHOV2QO\
See Figure 5 for minimum clearances.
Figure 5 - Heat Resistant Material (Slate,
Marble, Tile, etc.) Above Fireplace
/2*6,=,1*5(48,5(0(176
/RJ
Size
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+HLJKW 'HSWK
Front
Width
Rear *
Width
    
    
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1RQFRPEXVWLEOH
Material Distance
$
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Installation
RUPRUH Noncombustible material
okay.
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¿UHSODFHKRRGDFFHVVRU\
(GA6050 or GA6053 see
AccessoriesSDJH
0RGHO1RQFRPEXV-
tible material okay.
/HVVWKDQ Noncombustible material
must be extended to at
OHDVW6HHBetween
8" and 12"DERYH,I\RX
FDQQRWH[WHQGPDWHULDO
you must operate heater
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www.fmiproducts.com
124702-01B 11
INSTALLATION
Continued
Minimum
Noncombustible
Material
Minimum Non-
Combustible
Material Height
Distances to
Underside of
Mantel
Top of
Fireplace
Opening
Underside of
Mantel Shelf
Mantel Shelf
12"
8"
(A)
18"
8"
20"
14"
22"
17"
24"
20"
Log Set
24" Models
18" Model
2 ½"
6"
8"
10"
Figure 6 - Minimum Mantel Clearances
Without Using Hood
Minimum
Noncombustible
Material
8"
Min.
12" 15" 18" 20"
2½"
6"
8"
10"
12"
Distances to
Underside of
Mantel
Hood
(GA6050 or
GA6053)
Top of
Fireplace
Opening
Underside
of Mantel
Shelf
Mantel Shelf
Figure 7 - Minimum Mantel Clearances
When Using Hood
,I8VLQJ0DQWHO
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DERYHWKH¿UHSODFHRSHQLQJ1RQFRPEXVWLEOH
PDWHULDOVVXFKDVVODWHPDUEOHWLOHHWFPXVW
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must have noncombustible material behind it.
Noncombustible material must extend at least
8 inches up (for all models). If noncombustible
PDWHULDOLVOHVVWKDQ\RXPXVWLQVWDOOWKH
¿UHSODFHKRRGDFFHVVRU\0RGHOV2QO\
Even if noncombustible material is more than
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GHÀHFW KHDW DZD\ IURP \RXU PDQWHO VKHOI
6HH)LJXUHSDJHDQG)LJXUHVDQG
for minimum clearances.
IMPORTANT: If you cannot meet these mini-
PXP FOHDUDQFHV \RX PXVW RSHUDWH KHDWHU
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ing Damper Clamp Accessory for Vented
OperationSDJH
MANTEL CLEARANCES
In addition to meeting noncombustible mate-
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mantel shelf. If you do not meet the clearances
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'HWHUPLQLQJ0LQLPXP0DQWHO&OHDUDQFH
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PDQWHOVKHOIDQGWRSRI¿UHSODFHRSHQLQJD
hood is not required (see Figure 6).
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PHW\RXPXVW KDYHD KRRG:KHQ XVLQJD
hood there are still certain minimum mantel
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minimum clearances shown in
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NOTICE: If your installation does
not meet the minimum clear-
ances shown, you must do one
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www.fmiproducts.com 124702-01B12
INSTALLATION
Continued
14"
Min.
Combustible
Material
Noncombustible Material
Figure 8 - Minimum Fireplace Clearances
If Installed at Floor Level
Figure 9 - Minimum Fireplace Clearances
Above Combustible Flooring
Noncombustible Material
Hearth
5"
Min.
Combustible
Material
FLOOR CLEARANCES
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you must maintain the minimum distance
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(see Figure 9).
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Note: When used as a vented heater, ap-
pliance must be installed only in a solid-fuel
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structed of noncombustible material.
For Massachusetts Residents Only: Instal-
lation of this vented gas log set in the Com-
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in the fully open position.
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you may use this heater as a vented product.
There are three reasons for operating your
heater in the vented mode.
 7KH¿UHSODFHGRHVQRWPHHWWKHFOHDUDQFH
to combustibles requirements for vent-free
operation.
2. State or local codes do not permit vent-
free operation.
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DFFHVVRU\WRRUGHUVHHAccessoriesSDJH
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open. Installation instructions are included
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6HHFKDUWIRUPLQLPXPSHUPDQHQWÀXHRSHQ-
ing you must provide. Attach damper clamp so
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maintained at all times.
Chimney
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6' to 15' 39 sq. in.
15' to 30' 29 sq. in.
Figure 10 - Attaching Damper Clamp
Damper
Clamp
0DQXIDFWXUHG)LUHSODFH
0DVRQU\)LUHSODFH
Damper
Clamp
$UHDRI9DULRXV6WDQGDUG
Round Flues
Diameter Area
 20 sq. in.
 29 sq. in.
 39 sq. in.
 51 sq. in.
Damper
Damper
Damper

www.fmiproducts.com
124702-01B 13
,167$//,1*+($7(5%$6(
$66(0%/<
WARNING: You must secure
WKLVKHDWHUWR¿UHSODFHÀRRU,I
not, heater will move when you
DGMXVWFRQWUROV0RYLQJKHDWHU
PD\ FDXVH D JDV OHDN RU ORJ
PLVSODFHPHQW
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2QO\KDQGOHEDVHDVVHPEO\E\
JUDWHV
IMPORTANT: Make sure the heater burners
DUHOHYHO,IKHDWHULVQRWOHYHOKHDWHUZLOOQRW
ZRUNSURSHUO\
Installation Items Needed
 KDUGZDUHSDFNDJHSURYLGHGZLWKKHDWHU
 DSSURYHGÀH[LEOHJDVKRVHDQG¿WWLQJVQRW
SURYLGHGLIDOORZHGE\ORFDOFRGHV
 VHDODQWUHVLVWDQWWRSURSDQH/3JDVQRW
provided)
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masonry as applicable)
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 SLSHZUHQFK
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FRQWURO¿WWLQJLQKHDWHUVHH)LJXUH
IMPORTANT:+ROGJDV¿WWLQJZLWKZUHQFK
ZKHQFRQQHFWLQJÀH[LEOHJDVKRVH.
 /RFDWHWZRPDVRQU\VFUHZVLQKDUGZDUH
package.
 3ODFHKHDWHUEDVHLQ¿UHSODFH
4. Place logs in their proper position on heater
base (see Installing LogsSDJH
5. Center heater base and logs front-to-back
DQGVLGHWRVLGHLQ¿UHSODFH
 &DUHIXOO\ UHPRYH ORJV ZLWKRXW PRYLQJ
heater base.
 0DUNVFUHZORFDWLRQVWKURXJKRQHKROHRQ
each side of the mounting bracket (see
)LJXUHSDJH,ILQVWDOOLQJLQDEULFN
ERWWRP¿UHSODFHPDUNVFUHZORFDWLRQVLQ
mortar joint of bricks.
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LQVWDOOLQJ RSWLRQDO FRQWURO DFFHVVRULHV
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SURYLGHGZLWKDFFHVVRU\
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drill bit.
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XVLQJWZRPDVRQU\VFUHZVLQKDUGZDUH
package).
Figure 11 - Attaching Flexible Gas Hose
to Heater
Flexible Gas
+RVHLIDOORZHG
by local codes)
Fitting
INSTALLATION
Continued

www.fmiproducts.com 124702-01B14
INSTALLATION
Continued
&211(&7,1*72*$66833/<
 :$51,1* 7KLV DSSOLDQFH
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WR JDV VXSSO\ )ROORZ DOO ORFDO
FRGHV
CAUTION: Never connect
SURSDQH/3 ¿UHSODFH GLUHFWO\
WRWKHSURSDQH/3VXSSO\7KLV
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ODWRUQRW VXSSOLHG ,QVWDOOWKH
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WARNING: Never connect
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QRQXWLOLW\ JDV ZHOOV 7KLV
JDV LV FRPPRQO\ NQRZQ DV
ZHOOKHDGJDV
Figure 12 - Attaching Base to Fireplace
Floor
Installation Items Needed
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WKHLWHPVOLVWHGEHORZ
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 SLSHZUHQFK
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tap is an acceptable alternative to test gauge
connection. Purchase the optional equipment
shutoff valve from your dealer.
)RU SURSDQH/3 XQLWV WKH LQVWDOOHU PXVW
supply an external regulator. The external
UHJXODWRUZLOOUHGXFHLQFRPLQJJDVSUHVVXUH
<RX PXVW UHGXFHLQFRPLQJ JDV SUHVVXUHWR
EHWZHHQDQGRIZDWHU,I\RXGRQRWUH-
GXFHLQFRPLQJJDVSUHVVXUHKHDWHUUHJXODWRU
damage could occur. Install external regulator
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 3RLQWLQJ WKH YHQW GRZQ SURWHFWV LW IURP
IUHH]LQJUDLQRUVOHHW
CAUTION: Use only new,
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QDOO\WLQQHGFRSSHUWXELQJPD\
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\RXU ORFDO FRGHV 8VH SLSH RI
GLDPHWHURUJUHDWHUWRDOORZ
SURSHUJDVYROXPHWRKHDWHU,I
SLSHLVWRRVPDOOXQGXHORVVRI
YROXPHZLOORFFXU
Figure 13 - External Regulator With Vent
Pointing Down
Masonry
6FUHZ
Mounting
Bracket
External
Regulator
Propane/LP
Supply Tank
Vent
Pointing
'RZQ

www.fmiproducts.com
124702-01B 15
INSTALLATION
Continued
Installation must include an equipment shutoff
YDOYHXQLRQDQGSOXJJHG137WDS/RFDWH
137WDSZLWKLQUHDFKIRUWHVWJDXJHKRRNXS
NPT tap must be upstream from heater (see
Figure 14).
IMPORTANT: Install equipment shutoff valve
in an accessible location. The equipment
shutoff valve is for turning on or shutting off
the gas to the appliance.
Check your building codes for any special
requirements for locating equipment shutoff
YDOYHWR¿UHSODFHV
Apply pipe joint sealant lightly to male NPT
WKUHDGV7KLVZLOOSUHYHQWH[FHVVVHDODQWIURP
going into pipe. Excess sealant in pipe could
result in clogged heater valves.
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VHDODQWWKDWLVUHVLVWDQWWROLTXLG
SHWUROHXP/3JDV
We recommend that you install a sediment trap
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FOHDQLQJ ,QVWDOO LQ SLSLQJ V\VWHP EHWZHHQ
fuel supply and heater. Locate sediment
WUDS ZKHUH WUDSSHG PDWWHU LV QRW OLNHO\ WR
IUHH]H$ VHGLPHQW WUDS WUDSV PRLVWXUH DQG
contaminants. This keeps them from going
into heater controls. If sediment trap is not
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not run properly.
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JDVFRQWURO+ROGJDV¿WWLQJZLWK
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JDVSLSLQJDQGRU¿WWLQJV
* Purchase the optional equipment shutoff
valve from your dealer.
** Minimum inlet pressure for purpose of input
adjustment.
Figure 14 - Gas Connection
Gas
Control
3” Minimum
Equipment Shutoff
9DOYH:LWK
NPT Tap*
Approved
Flexible
Gas Hose (if
DOORZHGE\
local codes)
3523$1(/3
From External
5HJXODWRU
:&WR:&
Pressure)
NATURAL
From Gas Meter
:&WR
:&
Pressure)
Cap Pipe Tee
Nipple Joint
Sediment Trap

www.fmiproducts.com 124702-01B16
INSTALLATION
Continued
CHECKING GAS CONNECTIONS
:$51,1*7HVWDOOJDVSLSLQJ
and connections, internal and
external to unit, for leaks after
LQVWDOOLQJRUVHUYLFLQJ&RUUHFW
DOOOHDNVDWRQFH
WARNING: Never use an
RSHQÀDPHWRFKHFNIRUDOHDN
$SSO\DQRQFRUURVLYHOHDNGHWHF-
WLRQÀXLGWRDOOMRLQWV%XEEOHV
IRUPLQJVKRZDOHDN&RUUHFWDOO
OHDNVDWRQFH
CAUTION: Make sure exter-
QDOUHJXODWRUKDVEHHQLQVWDOOHG
EHWZHHQ SURSDQH/3 VXSSO\
DQGKHDWHU6HHJXLGHOLQHVXQ-
der Connecting to Gas Supply,
SDJH
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3,3,1*6<67(0
7HVW3UHVVXUHV,Q([FHVV2I36,*
N3D
 'LVFRQQHFW DSSOLDQFH ZLWK LWV DSSOLDQFH
main gas valve (control valve) and equip-
ment shutoff valve from gas supply piping
system. Pressures in excess of 1/2 psig
ZLOOGDPDJHKHDWHUUHJXODWRU
 &DSRIIRSHQHQGRIJDVSLSHZKHUHHTXLS-
PHQWVKXWRIIYDOYHZDVFRQQHFWHG
 3UHVVXUL]HVXSSO\SLSLQJV\VWHPE\HLWKHU
opening propane/LP supply tank valve
for propane/LP gas or opening main gas
valve located on or near gas meter for
natural gas or using compressed air.
4. Check all joints of gas supply piping system.
$SSO\QRQFRUURVLYHOHDNGHWHFWLRQÀXLGWR
DOOMRLQWV%XEEOHVIRUPLQJVKRZDOHDN
5. Correct all leaks at once.
6. Reconnect heater and equipment shutoff
valve to gas supply. Check reconnected
¿WWLQJVIRUOHDNV
7HVW3UHVVXUHV(TXDO7RRU/HVV7KDQ
36,*N3D
1. Close equipment shutoff valve (see
Figure 15).
 3UHVVXUL]HVXSSO\SLSLQJV\VWHPE\HLWKHU
opening propane/LP supply tank valve
for propane/LP gas or opening main gas
valve located on or near gas meter for
natural gas or using compressed air.
3. Check all joints from gas meter to equipment
shutoff valve for natural gas or propane/
LP supply to equipment shutoff valve for
propane/LP (see Figures 16 and 17). Ap-
SO\QRQFRUURVLYHOHDNGHWHFWLRQÀXLGWRDOO
MRLQWV%XEEOHVIRUPLQJVKRZDOHDN
4. Correct all leaks at once.
Figure 15 - Equipment Shutoff Valve
Open
Closed
Equipment
Shutoff
Valve
Figure 16 - Checking Gas Joints
(Propane/LP Model Shown)
Gas Control
Valve Location
Propane/LP
Supply Tank
Equipment
Shutoff Valve
Figure 17 - Checking Gas Joints (Natural
Gas Only)
Gas Meter
Gas Control Valve
Location
Equipment
Shutoff Valve

www.fmiproducts.com
124702-01B 17
INSTALLATION
Continued
35(6685(7(67,1*+($7(5*$6
CONNECTIONS
1. Open equipment shutoff valve (see
)LJXUHSDJH
2. Open main gas valve located on or near
gas meter for natural gas or open pro-
pane/LP supply tank valve.
3. Make sure control knob of heater is in the
OFF position.
4. Check all joints from equipment shutoff
valve to gas control (see Figures 16 and
 SDJH $SSO\ QRQFRUURVLYH OHDN
GHWHFWLRQÀXLGWRDOOMRLQWV%XEEOHVIRUP-
LQJVKRZDOHDN
5. Correct all leaks at once.
6. Light heater (see Operation SDJH 
Check all other internal joints for leaks.
7. Turn off heater (see To Turn Off Gas to
ApplianceSDJH
INSTALLING LOGS
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WKHSDUWVLQDFFRUGDQFHZLWKWKHVH
GLDJUDPV RU IDLOXUH WR XVH RQO\
SDUWVVSHFL¿FDOO\DSSURYHGZLWK
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GDPDJHRUSHUVRQDOLQMXU\
CAUTION: After installa-
WLRQDQGSHULRGLFDOO\WKHUHDIWHU
FKHFN WR HQVXUH WKDW QR ÀDPH
FRPHVLQFRQWDFWZLWKDQ\ORJ
With the heater set to HI, check
WRVHHLIÀDPHVFRQWDFWDQ\ORJ,I
VRUHSRVLWLRQORJVDFFRUGLQJWR
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LQJORJVZLOOFUHDWHVRRW
It is very important to install these logs exactly
as instructed. Do not modify logs. Only use
ORJVVXSSOLHGZLWKKHDWHU
1. Place rear log onto base. Holes in bottom
of log must seat over pins on base as
VKRZQLQ)LJXUH
2. Place center log onto base. Holes in bot-
tom of log must seat over pins on base
DVVKRZQLQ)LJXUH
 3ODFH IURQW ORJ RQWR JUDWH DV VKRZQ LQ
Figure 19. Front log has cut outs for the
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 3ODFHOHIWFURVVRYHUORJDVVKRZQLQ)LJ-
XUHSDJH0DWFKVTXDUHSHJRQWRS
RIFHQWHUORJZLWKVTXDUHKROHRQERWWRP
of left crossover log. Match pin on top of
IURQWORJZLWKURXQGKROHRQERWWRPRIOHIW
crossover log.
Figure 18 - Installing Rear and Middle
Logs
Rear Log
Burner
Pin for
Hole in
Bottom
of Log
Center Log
Figure 19 - Installing Front Log
Front Log
Grate

www.fmiproducts.com 124702-01B18
INSTALLATION
Continued
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)LJXUHSDJH0DWFKVTXDUHSHJRQ
WRSRIUHDUORJZLWKVTXDUHKROHRQERWWRP
of center crossover log. Match pin on top
RIFHQWHUORJZLWKURXQGKROHRQERWWRP
of center crossover log.
 3ODFHOHIWIURQWFURVVRYHUORJDVVKRZQLQ
Figure 20. Log should rest on the grate and
¿WLQWRUHFHVVDUHDRQWKHFHQWHUORJ
Figure 20 - Installing Left, Center and
Right Crossover Logs
Right
Crossover
Log
Left
Crossover
Log
Center
Crossover
Log
Square Peg
on Rear Log
Square
Peg on
Middle
Log
Round
Peg on
Front Log Round Peg
on Center
Log
OPERATION
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LQVSHFW WKH DSSOLDQFH DQG WR UHSODFH
DQ\ SDUW RI WKH FRQWURO V\VWHP DQG
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LIGHTING
INSTRUCTIONS
WARNING:
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QHYHURSHUDWHWKLVKHDWHUZLWK
JODVVGRRUVFORVHG,I\RXRS-
erate heater with doors closed,
KHDW EXLOGXS LQVLGH ¿UHSODFH
ZLOOFDXVHJODVVWREXUVW0DNH
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0DNHVXUH¿UHSODFHVFUHHQLV
FORVHGEHIRUHUXQQLQJKHDWHU
FOR YOUR SAFETY
5($'%()25(/,*+7,1*
WARNING: If you do not fol-
low these instructions exactly,
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FDXVLQJSURSHUW\GDPDJHSHU-
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RQWKHÀRRU
WHAT TO DO IF YOU SMELL GAS
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,IWKHNQREZLOOQRWSXVKLQRUWXUQE\

www.fmiproducts.com
124702-01B 19
OPERATION
Continued
127,&('XULQJLQLWLDORSHUDWLRQ
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IHZKRXUV
Note: Home owners generally prefer to oper-
ate their heater with the chimney damper
closed. This will put all the heat into the room.
However, there may be times you will desire
WKHIXOOÀDPHVRIWKH+,KHDWVHWWLQJEXWZLOO
¿QGWKHKHDWRXWSXWH[FHVVLYH<RXFDQRSHQ
the chimney damper (if you have one) fully or
partially to release some of the heat.
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page 20.
2. Make sure equipment shutoff valve is
fully open.
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 :$51,1* %XUQHUV ZLOO
come on automatically within
one minute when the selector
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WKHSLORWLVOLW
4. Press in and turn control knob clock-
ZLVH to the OFF position (see
Figure 21).
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7KHQ VPHOO IRU JDV LQFOXGLQJ QHDU WKH
ÀRRU,I\RXVPHOOJDV6723)ROORZ³%´
LQWKHVDIHW\LQIRUPDWLRQSDJH,I\RX
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6. Press in and turn control knob counter-
FORFNZLVH to the PILOT position.
3UHVVLQFRQWURONQREIRU¿YHVHFRQGV
(see Figure 21).
1RWH <RX PD\ EH UXQQLQJ WKLV KHDWHU
IRUWKH¿UVWWLPHDIWHUKRRNLQJXSWRJDV
supply. If so, the control knob may need
to be pressed in for 30 seconds or more.
This will allow air to bleed from the gas
system.
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The pilot is attached to the front burner. If
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pilot lights.
Figure 21 - Control Knob and Ignitor
Button Location (Shown as Supplied, No
Control Options)
)ODPH$GMXVWPHQW.QRE Control
.QRE
Ignitor
Button
6HOHFWRU6ZLWFKLQ2))3RVLWLRQ
Note: If pilot does not stay lit, contact a
TXDOL¿HGVHUYLFHSHUVRQRUJDVVXSSOLHUIRU
repairs. Until repairs are made, light pilot
with match. To light pilot with match, see
Manual Lighting Procedure, page 20.
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RQGVDIWHUOLJKWLQJSLORW$IWHUVHFRQGV
release control knob.
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UHOHDVHG FRQWDFW D TXDOLILHG VHUYLFH
person or gas supplier for repairs.
Note: If pilot goes out, repeat steps 4
through 8.
9. Slightly push in and turn control knob coun-
WHUFORFNZLVH to the ON position.
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VZLWFKWRWKH21SRVLWLRQWROLJKWEXUQHUV
Note: AUTO is only functional when
using GWMT1 or GWMS2 optional ac-
cessories.
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12. To leave pilot lit and shut off burners only:
WXUQFRQWURONQREFORFNZLVH to the
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PDQXDO2))EXWWRQRUVHWVHOHFWRUVZLWFK
in the OFF position.
CAUTION: Do not try to ad-
MXVWKHDWLQJOHYHOVE\XVLQJWKH
HTXLSPHQWVKXWRIIYDOYH

www.fmiproducts.com 124702-01B20
WARNING: Make sure the se-
OHFWRUVZLWFKLVLQWKH2))SRVLWLRQ
when you are away from home for
ORQJSHULRGVRIWLPH+HDWHUZLOO
come on automatically with selec-
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TO TURN OFF GAS
72$33/,$1&(
 7XUQFRQWURONQREFORFNZLVH to the
OFF position.
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2b. If Using Optional Hand-Held Remote: Set
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prevent draining battery.
3. Close equipment shutoff valve (see Figure
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OPERATION
Continued
Figure 22 - Pilot
(Propane/LP)
Ignitor
Electrode
Pilot
Burner
Figure 23 - Pilot
(Natural)
Pilot Burner
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$LULVGUDZQLQWRWKHEXUQHUWKURXJKWKHKROHV
LQ WKH ¿WWLQJ DW WKH EXUQHU HQWUDQFH 7KHVH
KROHVPD\EHFRPHEORFNHGZLWKGXVWRUOLQW
Periodically inspect these holes for any block-
age and clean if needed. Blocked air holes
ZLOOFUHDWHVRRW
&KHFNSLORW ÀDPH SDWWHUQ DQG EXUQHU ÀDPH
patterns often.
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)LJXUHVKRZVDFRUUHFWSLORWÀDPHSDWWHUQ
)LJXUHVKRZVDQLQFRUUHFWSLORWÀDPHSDW-
WHUQ7KHLQFRUUHFWSLORWÀDPHLVQRWWRXFKLQJ
WKHWKHUPRFRXSOH7KLVZLOOFDXVHWKHWKHUPR-
FRXSOHWRFRRO:KHQWKHWKHUPRFRXSOHFRROV
WKHKHDWHUZLOOVKXWGRZQ
,I SLORW ÀDPH SDWWHUQ LV LQFRUUHFW DV VKRZQ
in Figure 32
 WXUQKHDWHURIIVHHTo Turn Off Gas to Ap-
plianceSDJH
 VHHTroubleshootingSDJH
1RWH7KHSLORWÀDPHRQQDWXUDOJDVXQLWVZLOO
KDYHDVOLJKWFXUYHEXWÀDPHVKRXOGEHEOXH
and have no yellow or orange color.
MANUAL LIGHTING
352&('85(
 )ROORZVWHSVWKURXJKXQGHULighting
InstructionsSDJHV
2. Depress control knob and light pilot
ZLWKPDWFK
 .HHSFRQWURONQRESUHVVHGLQIRUVHFRQGV
DIWHUOLJKWLQJSLORW$IWHUVHFRQGVUHOHDVH
FRQWURONQRE1RZIROORZVWHSVWKURXJK
under Lighting InstructionsSDJH
INSPECTING BURNERS
Figure 24 - Correct Pilot Flame Pattern
(Your pilot may vary from pilot shown)
Pilot Burner Thermocouple
Pilot Burner Thermocouple
Figure 25 - Incorrect Pilot Flame Pattern
(Your pilot may vary from pilots shown)
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EXUQHUÀDPHKROHVPD\EHFRPHEORFNHGE\
GHEULV RU UXVW ZLWK QR ÀDPH SUHVHQW ,I VR
turn off heater and let cool. Remove blockage.
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