FMI HD18NB Quick start guide

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UNVENTED (VENT-FREE) GAS LOG HEATER
OWNER’S OPERATION AND INSTALLATION MANUAL
18" AND 24" VARIABLE MANUAL CONTROL MODELS
HD18NB, HD18PB, HD24NB AND HD24PB
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TABLE OF CONTENTS
Safety .................................................................. 2
3URGXFW,GHQWL¿FDWLRQ........................................... 5
Local Codes......................................................... 5
Unpacking............................................................ 5
Product Features................................................. 5
Air For Combustion and Ventilation ..................... 6
Installation ........................................................... 8
Operation........................................................... 17
Inspecting Burners............................................. 18
Cleaning and Maintenance................................ 19
Troubleshooting................................................. 20
Parts .................................................................. 24
6SHFL¿FDWLRQV .................................................... 26
Replacement Parts............................................ 26
Technical Service............................................... 26
Service Hints ..................................................... 26
Accessories ....................................................... 26
Notes ................................................................. 27
Warranty ..............................................Back Cover

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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).
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of a propane/LP tank of less than 100 lbs.
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LP units only).
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use any phone in your building
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plier’s instructions
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5. This heater shall not be installed in a
bedroom or bathroom.
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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9. This log heater is designed to be smoke-
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Note: During initial operation, slight smok-
ing could occur due to log curing and
heater burning manufacturing residues.
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instructions in Cleaning and Maintenance,
page 19.
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tilation to run properly. This heater has an
Oxygen Depletion Sensing (ODS) safety
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heater if not enough fresh air is available.
See Air for Combustion and Ventilation,
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Troubleshooting, page 20.
13. Do not run heater
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used or stored
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14. Do not use this heater to cook food or burn
paper or other objects.
15. Do not use heater if any part has been ex-
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the room heater and to replace any part
of the control system and any gas control
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16. Do not operate heater if any log is broken.
Do not operate heater if a log is chipped
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17. Turn heater off and let cool before servic-
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service and repair heater.
18. Operating heater above elevations of
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19. Provide adequate clearances around air
openings.
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installed.
21. Installation and the provisions for com-
bustion and ventilation air must conform
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Z223.1/NFPA 54.
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124531-01C 5
Figure 1 - Yellow Flame Vent-Free Gas Log Heater
LOCAL CODES
UNPACKING
PRODUCT IDENTIFICATION
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Batterymarch Park
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State of Massachusetts: The installa-
tion must be made by a licensed plumber
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Massachusetts.
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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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CAUTION: Do not remove the
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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
KHDWHULVGDPDJHGFDOO)0,352'8&76
LLC at 1-866-328-4537 for replacement
parts before returning to dealer.
PRODUCT FEATURES
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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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damper closed. It has been tested and ap-
proved to ANSI Z21.11.2 standard for un-
vented heaters. State and local codes in some
areas prohibit the use of vent-free heaters.
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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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www.fmiproducts.com 124531-01C6
AIR FOR COMBUSTION AND VENTILATION
WARNING: This heater shall
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their 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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The National Fuel Gas Code ANSI Z223.1/
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gregate input rating of all appliances installed
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of the aggregate input rating of all appliances
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124531-01C 7
1. Determine the volume of the space (length
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(volume of space)
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volume of these rooms to the total volume
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the maximum Btu/Hr the space can support.
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mum Btu/Hr the space can support)
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support)
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in the space.
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 *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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Hr used.
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support)
_______ 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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adjoining room. If the extra space provides an
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AIR FOR COMBUSTION AND VENTILATION
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Figure 2 - Ventilation Air from Inside Building
Or
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fresh air ventilation.
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INSTALLATION
NOTICE: This heater is intended
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Outlet
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Provide extra fresh air by using ventilation
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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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WARNING: Seal any fresh
air vents or ash clean-out doors
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WARNING: Never install the
heater
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www.fmiproducts.com
124531-01C 9
CAUTION: This heater cre-
DWHV ZDUP DLU FXUUHQWV 7KHVH
currents move heat to wall sur-
IDFHV QH[W WR KHDWHU ,QVWDOOLQJ
heater next to vinyl or cloth wall
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ZKHUHLPSXULWLHVVXFKDVEXW
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LGVRLORUNHURVHQHODPSVHWFLQ
the air exist, may discolor walls
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IMPORTANT:Vent-free heaters add moisture
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DLUPD\FDXVHPLOGHZWRIRUPIURPWRRPXFK
moisture. See Air for Combustion and Ventila-
tionSDJH
&+(&.*$67<3(
Use only the correct gas type (natural or pro-
pane/LP) for your unit. If your gas supply is not
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you bought heater for proper type heater.
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INSTALLATION AND CLEARANCES
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WARNING: Maintain the
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0,1,080),5(3/$&(&/($5$1&(
72&20%867,%/(0$7(5,$/6
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&DUHIXOO\IROORZWKH LQVWUXFWLRQV EHORZ7KLV
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8/OLVWHGPDQXIDFWXUHG¿UHSODFHRUFHUWL-
¿HGYHQWIUHH¿UHER[
MINIMUM CLEARANCES FOR SIDE
&20%867,%/(0$7(5,$/6,'(:$//
AND CEILING
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cabinet to any combustible material and
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Example:7KHIDFHRIDPDQWHOERRNVKHOI
etc. is made of combustible material and
protrudes 3 1/2IURPWKHZDOO7KLVFRP-
EXVWLEOHPDWHULDOPXVWEHIURPWKHVLGH
RIWKH¿UHSODFHFDELQHWVHH)LJXUH
Note: When installing your gas logs into
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manufacturer’s instructions for minimum
clearances to combustible materials.
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opening to the ceiling should not be less
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If so, you must always run heater
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,I UXQQLQJ KHDWHU ZLWK GDPSHU
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DERYH¿UHSODFHRSHQLQJLVQRW
QHHGHG*RWRInstalling Damper
Clamp Accessory for Vented
OperationSDJH
Figure 4 - Minimum Clearance for
Combustible to Wall
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*
Example
INSTALLATION
Continued
/2*6,=,1*5(48,5(0(176
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5HDU:LGWK
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www.fmiproducts.com 124531-01C10
Minimum
Noncombustible
Material
Minimum
Noncombustible
Material Height
Distances to
Underside of
Mantel
Top of
Fireplace
Opening
Underside
of Mantel
Shelf
Mantel Shelf
12"
(A)
18" 20" 22" 24"
All
minimum
distances
are in
inches
2
1
/ 2 "
6"
8"
10"
INSTALLATION
Continued
,I8VLQJ0DQWHO
<RX PXVW KDYH QRQFRPEXVWLEOH PDWHULDOV
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PDWHULDOVVXFKDVVODWHPDUEOHWLOHHWFPXVW
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must have noncombustible material behind it.
Noncombustible material must extend at least
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page 11 for minimum clearances.
MANTEL CLEARANCES
In addition to meeting noncombustible mate-
ULDOFOHDUDQFHV\RXPXVWDOVRPHHWUHTXLUHG
FOHDUDQFHV EHWZHHQ ¿UHSODFH RSHQLQJ DQG
mantel shelf. If you do not meet the clearances
OLVWHGEHORZ\RXZLOOQHHGDKRRG
'HWHUPLQLQJ0LQLPXP0DQWHO&OHDUDQFH
,I \RX PHHW PLQLPXP FOHDUDQFH EHWZHHQ
PDQWHOVKHOIDQGWRSRI¿UHSODFHRSHQLQJD
hood is not required (see Figure 6).
Figure 6 - Minimum Mantel Clearances
Without Using Hood
0,1,080121&20%867,%/(
MATERIAL CLEARANCES
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Note: If using a mantel, proceed to If Using
Mantel. If not using a mantel, follow the infor-
mation below.
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DERYHWKH¿UHSODFHRSHQLQJ1RQFRPEXVWLEOH
PDWHULDOV VXFK DV VODWH PDUEOH WLOH HWF
PXVWEHDWOHDVWWKLFN:LWKVKHHWPHWDO
you must have noncombustible material be-
hind it. Noncombustible material must extend
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for minimum clearances.
Heat Resistant
Material
(A)
Figure 5 - Heat Resistant Material (Slate,
Marble, Tile, etc.) Above Fireplace
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5HTXLUHPHQWVIRU6DIH
Installation
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ULDO2.
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place hood accessory
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AccessoriesSDJH
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WLEOHPDWHULDO2.
/HVVWKDQ Noncombustible material
must be extended to at
OHDVW  6HH Between
8" and 12"DERYH,I\RX
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you must operate heater
ZLWKÀXHGDPSHURSHQDQG
damper clamp installed.

www.fmiproducts.com
124531-01C 11
INSTALLATION
Continued
14"
Min.
Combustible
Material
Noncombustible Material
Hearth
5"
Min.
Combustible
Material
Figure 8 - Minimum Fireplace Clearances
Above Combustible Flooring
Figure 7 - Minimum Fireplace Clearances
If Installed at Floor Level
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Follow all minimum clearances
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NOTICE: If your installation does
not meet the minimum clear-
ances shown, you must do one
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DEOHKHLJKW
FLOOR CLEARANCES
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you must maintain the minimum distance
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DWOHDVWDERYHWKHFRPEXVWLEOHÀRRULQJ
(see Figure 8).
,167$//,1*'$03(5&/$03
$&&(6625<)259(17('
23(5$7,21
Note: When used as a vented heater, ap-
pliance must be installed only in a solid-fuel
EXUQLQJ¿UHSODFHZLWKDZRUNLQJÀXHDQGFRQ-
structed of noncombustible material.
For Massachusetts Residents Only: Instal-
lation of this gas log set as a vented appliance
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quires the damper be permanently removed
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,I\RXUKHDWHULVDPDQXDOO\FRQWUROOHGPRGHO
you may use this heater as a vented product.
There are three reasons for operating your
heater in the vented mode.
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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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Damper
Damper
Clamp
Damper
Damper
Clamp
Damper
Figure 9 - Attaching Damper Clamp
0DQXIDFWXUHG)LUHSODFH
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www.fmiproducts.com 124531-01C12
Heater Gas
Regulator
Flexible Gas Hose
LIDOORZHGE\ORFDOFRGHV
Figure 10 - Attaching Flexible Gas Hose
to Heater Gas Regulator
Fitting
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$66(0%/<
CAUTION: Do not remove the
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WARNING: You must secure
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not, heater will move when you
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INSTALLATION
Continued
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IMPORTANT: Make sure heater burners are
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ZRUNSURSHUO\
Installation Items Needed
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 DSSURYHGÀH[LEOHJDVKRVHLIDOORZHGE\
local codes)
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provided)
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1. Apply pipe joint sealant lightly to male
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UHJXODWRU&RQQHFWDSSURYHGÀH[LEOHJDV
hose to gas regulator of heater (see Fig-
ure 10).
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ZUHQFKZKHQFRQQHFWLQJÀH[LEOHJDVKRVH
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package.
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place.
4. Place logs in their proper position on heater
base (see Installing Logs,page 16).
5. Center heater base and logs front-to-front
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heater base.
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opening you must provide. Attach damper
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Diameter Area
 20 sq. inches
 29 sq. inches
 39 sq. inches
 51 sq. inches
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6' to 15' 39 sq. inches
15' to 30' 29 sq. inches

www.fmiproducts.com
124531-01C 13
INSTALLATION
Continued
mounting brackets (see Figure 11). If
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drill bit.
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package) (see Figure 11).
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Figure 11 - Attaching Base Assembly to
Fireplace Floor
Masonry
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Mounting
Bracket
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CAUTION: Never connect
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units, never connect heater to
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Installation Items Needed
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tap is an acceptable alternative to test gauge
connection. Purchase the optional equipment
shutoff valve from your dealer.
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rain or sleet.
Figure 12 - External Regulator With Vent
Pointing Down
Propane/LP
Supply Tank
External
Regulator
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Pointing
'RZQ

www.fmiproducts.com 124531-01C14
INSTALLATION
Continued
CAUTION: Use only new,
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Installation must include an equipment shutoff
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137WDSZLWKLQUHDFKIRUWHVWJDXJHKRRNXS
NPT tap must be upstream from heater (see
Figure 13).
IMPORTANT: Install equipment shutoff valve
in an accessible location. Main gas valve is for
turning on or shutting off gas to 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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Figure 13 - Gas Connection
* Purchase optional equipment shutoff valve
from your dealer.
** Min. inlet pressure for purpose of input
adjustment.
Tee Cap Pipe
Joint Nipple
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Sediment Trap
Gas
Regulator
Equipment Shutoff Valve
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Approved
Flexible
Gas Hose (if
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local codes)
Natural
From Gas Meter
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Pressure)
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Pressure
We recommend that you install sediment trap
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fuel supply and heater. Locate sediment
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contaminants. This keeps them from going
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not run properly.
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CHECKING GAS CONNECTIONS
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and connections , internal and
external to unit, for leaks after
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6HHJXLGHOLQHVXQGHUConnect-
ing to Gas SupplySDJH

www.fmiproducts.com
124531-01C 15
INSTALLATION
Continued
Figure 14 - Equipment Shutoff Valve
Equipment Shutoff Valve
Propane/LP
Supply Tank
Control Valve
Location
Figure 15 - Checking Gas Joints
(Propane/LP Gas Only)
Open
Closed
Equipment
Shutoff Valve
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main gas valve (control valve) and equip-
ment shutoff valve from gas supply piping.
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age heater regulator.
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PHQWVKXWRIIYDOYHZDVFRQQHFWHG
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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 sys-
tem. Apply a commercial leak detection
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a leak.
5. Correct all leaks at once.
6. Reconnect heater and equipment shutoff
valve to gas supply. Check reconnected
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1. Close equipment shutoff valve (see Fig-
ure 14).
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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 (natural
gas) or propane/LP supply to equipment
shutoff valve (see Figure 15 or 16). Apply
a commercial leak detection solution to all
MRLQWV%XEEOHVIRUPLQJVKRZDOHDN
4. Correct all leaks at once.
35(6685(7(67,1*+($7(5*$6
CONNECTIONS
1. Open equipment shutoff valve (see Fig-
ure 14).
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.
Figure 16 - Checking Gas Joints
(Natural Gas Only)
Gas
Meter
Equipment Shutoff Valve
Control Valve Location
4. Check all joints from gas meter (natural
gas) or propane/LP supply to equipment
shutoff valve (see Figure 15 or 16). Apply
a commercial leak detection solution to all
MRLQWV%XEEOHVIRUPLQJ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

www.fmiproducts.com 124531-01C16
INSTALLATION
Continued
INSTALLING LOGS
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CAUTION: After installa-
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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
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2. Place center log onto base. Holes in bot-
tom of log must seat over pins on base
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Figure 18. Front log has cut outs for the
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Figure 17 - Installing Rear and Middle
Logs
Figure 18 - Installing Front Log
Figure 19 - Installing Left, Center and
Right Crossover Logs
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Figure 19. Match square peg on top of
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of left crossover log. Match pin on top of
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crossover log.
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Figure 19. Match square peg on top of
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center crossover log. Match pin on top of
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center crossover log
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Figure 19. Log should rest on the grate and
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Rear Log
Burner
Pin for
Hole in
Bottom
of Log
Center Log
Front Log
Grate
Right
Crossover
Log
Left
Crossover
Log
Center
Crossover
Log
Square Peg
on Rear Log
Square
Peg on
Middle
Log
Pin on
Front Log Pin on
Center Log

www.fmiproducts.com
124531-01C 17
OPERATION
FOR YOUR SAFETY
5($'%()25(/,*+7,1*
WARNING: If you do not fol-
low these instructions exactly,
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WHAT TO DO IF YOU SMELL GAS
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,IWKHNQREZLOOQRWSXVKLQRUWXUQE\
KDQGGRQ¶WWU\WRUHSDLULWFDOODTXDOL-
¿HGVHUYLFHWHFKQLFLDQRUJDVVXSSOLHU
)RUFHRUDWWHPSWHGUHSDLUPD\UHVXOWLQ
D¿UHRUH[SORVLRQ
' 'R QRW XVH WKLV DSSOLDQFH LI DQ\ SDUW
KDVEHHQXQGHUZDWHU,PPHGLDWHO\FDOO
DTXDOL¿HGVHUYLFHWHFKQLFLDQWRLQVSHFW
WKHDSSOLDQFHDQGWRUHSODFHDQ\SDUWRI
WKHFRQWUROV\VWHPDQGDQ\JDVFRQWURO
ZKLFKKDVEHHQXQGHUZDWHU
LIGHTING
INSTRUCTIONS
WARNING
 ,I ¿UHSODFH KDV JODVV GRRUV
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
VXUHWKHUHDUHQRREVWUXFWLRQV
DFURVVRSHQLQJVRI¿UHSODFH
 <RXPXVWRSHUDWHWKLVKHDWHU
ZLWKD¿UHSODFHVFUHHQLQSODFH
0DNHVXUH¿UHSODFHVFUHHQLV
FORVHGEHIRUHUXQQLQJKHDWHU
127,&('XULQJLQLWLDORSHUDWLRQ
RIQHZKHDWHUEXUQLQJORJVZLOO
JLYHRIIDSDSHUEXUQLQJVPHOO
2UDQJHÀDPHZLOODOVREHSUHV-
HQW2SHQGDPSHURUZLQGRZWR
YHQWVPHOO7KLVZLOORQO\ODVWD
IHZKRXUV
Note: Home owners generally prefer to oper-
ate their heater with chimney damper closed.
This will put all of the heat into room. However,
WKHUHPD\EHWLPHV\RXZLOOGHVLUHIXOOÀDPHV
RI +, KHDW VHWWLQJ EXW ZLOO ¿QG KHDW RXWSXW
excessive. You can open chimney damper
(if you have one) fully or partially to release
some heat.
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ZLOO EH KRW LI KHDWHU KDV EHHQ
UXQQLQJ
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column 1.
2. Make sure equipment shutoff valve is fully
open.
 3UHVVLQDQGWXUQFRQWURONQREFORFNZLVH
to the OFF position.
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7KHQ VPHOO IRU JDV LQFOXGLQJ QHDU WKH
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LQWKHVDIHW\LQIRUPDWLRQFROXPQ,I\RX
GRQ¶WVPHOOJDVJRWRWKHQH[WVWHS

www.fmiproducts.com 124531-01C18
5. Press in control knob and turn counter-
FORFNZLVH to the PILOT position
VHH )LJXUH  7KH LJQLWRU ZLOO VSDUN
RQFH.HHSFRQWURONQRESUHVVHGLQIRU
seconds. If control knob does not pop up
ZKHQUHOHDVHGFRQWDFWDTXDOL¿HGVHUYLFH
person or gas supplier for repairs.
Note: You may be running this heater for
WKH¿UVWWLPHDIWHUKRRNLQJXSWRJDVVXS-
ply. 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.
 7XUQ FRQWURO NQRE FORFNZLVH to
OFF position. Press in control knob and
WXUQ FRXQWHUFORFNZLVH to PILOT
SRVLWLRQ 7KLV ZLOO OLJKW SLORW 3LORW LV DW-
WDFKHGWRUHDURIEXUQHU,IQHHGHGUHSHDW
this process until pilot lights.
Note: If pilot does not stay lit, contact a
TXDOL¿HGVHUYLFH SHUVRQ RUJDV VXSSOLHU
for repairs. Until repairs are made, light
pilot with match. To light pilot with match,
see Manual Lighting Procedure.
 .HHSFRQWURONQRESUHVVHGLQIRUVHF-
RQGVDIWHUOLJKWLQJSLORW$IWHUVHFRQGV
release control knob.
Note: If pilot goes out, repeat steps 3
through 7.
OPERATION
Continued
Figure 20 - Control Knob and Ignitor
Button Location
PILOT
OFF
LO
HI
&RQWURO.QRE
Figure 21 - Correct Pilot Flame Pattern
Figure 22 - Incorrect Pilot Flame Pattern
Pilot Burner
Thermocouple
Pilot Burner
Thermocouple
INSPECTING BURNERS
&KHFNSLORW ÀDPHSDWWHUQ DQGEXUQHU ÀDPH
patterns often.
3,/27)/$0(3$77(51
)LJXUHVKRZVDFRUUHFWSLORWÀDPHSDWWHUQ
)LJXUHVKRZVDQLQFRUUHFWSLORWÀDPHSDW-
WHUQ,QFRUUHFWSLORWÀDPHLVQRWWRXFKLQJWKHU-
PRFRXSOH7KLVZLOOFDXVHWKHWKHUPRFRXSOH
WR FRRO :KHQ WKHUPRFRXSOH FRROV KHDWHU
ZLOOVKXWGRZQ
,I SLORW ÀDPH SDWWHUQ LV LQFRUUHFW DV VKRZQ
in Figure 22
 WXUQ KHDWHU RII VHH To Turn Off Gas to
ApplianceDERYH
 VHHTroubleshootingSDJH
,IFRQWURONQREGRHVQRWSRSRXWZKHQ
UHOHDVHG FRQWDFW D TXDOLILHG VHUYLFH
person or gas supplier for repairs.
8. Slightly press and turn control knob coun-
WHUFORFNZLVH to desired heating
level. The burner should light. Set control
knob to HI or LO.
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KHDWHUEHWZHHQ3,/27DQG+,*+
SRVLWLRQV
 7ROHDYHSLORWOLWDQGVKXWRIIEXUQHUVRQO\
WXUQFRQWURONQREFORFNZLVH to the
PILOT position.
CAUTION: Do not try to ad-
MXVWKHDWLQJOHYHOVE\XVLQJWKH
HTXLSPHQWVKXWRIIYDOYH
TO TURN OFF GAS
72$33/,$1&(
 7XUQFRQWURONQREFORFNZLVH to OFF
position.
2. Close equipment shutoff valve (see Figure
SDJH
MANUAL LIGHTING
352&('85(
 )ROORZVWHSVWKURXJKXQGHULighting
Instructions beginning on page 17.
 3UHVV FRQWURO NQRE DQG OLJKW SLORW ZLWK
match.
 .HHSFRQWURONQRESUHVVHGLQIRUVHF-
RQGVDIWHUOLJKWLQJSLORW$IWHUVHFRQGV
UHOHDVHFRQWURONQRE1RZIROORZVWHS
under Lighting Instructions, above.

www.fmiproducts.com
124531-01C 19
1RWH3LORWÀDPHRQQDWXUDOJDVXQLWVZLOOKDYH
DVOLJKWFXUYHEXWÀDPHVKRXOGEHEOXHDQG
have no yellow or orange color.
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$LULVGUDZQLQWREXUQHUWKURXJKKROHVLQ¿W-
ting at entrance to burner. These holes may
EHFRPHEORFNHGZLWKGXVWRUOLQW3HULRGLFDOO\
inspect these holes for any blockage and
FOHDQ DV QHFHVVDU\ %ORFNHG DLU KROHV ZLOO
create soot.
INSPECTING BURNERS
Continued
0$,1%851(5
3HULRGLFDOO\ LQVSHFW DOO EXUQHU ÀDPH KROHV
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HQW$OOURXQGEXUQHUÀDPHKROHVVKRXOGEH
RSHQZLWKDVPDOOEOXHÀDPHSUHVHQW6RPH
EXUQHUÀDPHKROHVPD\EHFRPHEORFNHGE\
GHEULV RU UXVW ZLWK QR ÀDPH SUHVHQW ,I VR
WXUQRIIKHDWHUDQGOHWFRRO5HPRYHEORFNDJH
EORFNHGEXUQHUÀDPHKROHVZLOOFUHDWHVRRW
)LJXUH2UL¿FH+ROGHU2Q2XWOHW
Burner Tube
Burner Tube
Primary Air Inlet
Holes (Shape of
Holes May Vary
by Model)
2UL¿FH+ROGHU0D\%H%UDVVRU
Aluminum Depending on Model)
Figure 24 - Pilot Inlet Air Hole
Pilot
Assembly
Pilot Air Inlet Hole
CLEANING AND MAINTENANCE
WARNING: Turn off heater
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DLUSDVVDJHZD\VRIKHDWHUFOHDQ
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8VHDYDFXXPFOHDQHURUVPDOOVRIWEULVWOHG
brush to clean.
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3,/27$,5,1/(7+2/(
7KHSULPDU\ DLU LQOHWKROHVDOORZWKHSURSHU
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FOHDURIGXVWGLUWDQGOLQW&OHDQWKHVHDLULQOHW
holes prior to each heating season. Blocked
DLUKROHVZLOOFUHDWHVRRW:HUHFRPPHQGWKDW
you clean the unit every three months during
operation and have heater inspected yearly
E\DTXDOL¿HGVHUYLFHSHUVRQ
We also recommend that you keep burner tube
and pilot assembly clean and free of dust and
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FRPSUHVVHGDLUQRJUHDWHUWKDQ36,<RXU
ORFDOFRPSXWHUVWRUHKDUGZDUHVWRUHRUKRPH
center may carry compressed air in a can. If
XVLQJFRPSUHVVHGDLULQDFDQSOHDVHIROORZ
GLUHFWLRQVRQFDQ,I\RXGRQ¶WIROORZGLUHFWLRQV
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cool for at least thirty minutes.
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KROHV RQ RUL¿FH KROGHU IRU GXVW DQG GLUW
(see Figure 23).
 %ORZDLUWKURXJKSRUWVVORWVDQGKROHVLQ
burner.
 &KHFN RUL¿FH KROGHU ORFDWHG DW HQG RI
burner tube again. Remove any large
SDUWLFOHVRIGXVWGLUWOLQWRUSHWKDLUZLWK
DVRIWFORWKRUYDFXXPFOHDQHUQR]]OH

www.fmiproducts.com 124531-01C20
 %ORZDLULQWRSULPDU\DLUKROHVRQRUL¿FH
holder.
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and 4.
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EORZWKURXJKDGULQNLQJVWUDZLIFRPSUHVVHG
air is not available.
TROUBLESHOOTING
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2'6SLORW7KLVFDQGDPDJH2'6SLORWXQLW
Note: All troubleshooting items are listed in order of operation.
3266,%/(&$86(
1. Ignitor electrode not con-
nected to ignitor cable
2. Ignitor cable pinched or
ZHW
3. Broken ignitor cable
%DGSLH]RLJQLWRU
5. Ignitor electrode broken
6. Ignitor electrode positioned
ZURQJ
1. Gas supply turned off or
equipment shutoff valve
closed
2. Control knob not in PILOT
position
3. Control knob not pressed in
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$LU LQ JDV OLQHV ZKHQ LQ-
stalled
5. Depleted gas supply (pro-
pane/LP only)
6. ODS/pilot is clogged
7. Gas regulator setting is not
correct
2%6(59('352%/(0
When control knob is pressed
in and turned to PILOTWKHUH
is not spark at ODS/pilot
When control knob is pressed
in and turned to PILOTWKHUH
is spark at ODS/pilot but no
ignition
REMEDY
1. Reconnect ignitor cable
2. Free ignitor cable if pinched
by any metal or tubing.
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3. Replace valve
4. Replace valve
5. Replace valve
6. Replace valve
1. Turn on gas supply or open
equipment shutoff valve
2. Turn control knob to PILOT
position
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in PILOT position
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trol knob. Repeat igniting op-
eration until air is removed
5. Contact local propane/LP
gas company
6. Clean ODS/pilot (see
Cleaning and Maintenance,
page 19) or replace ODS/
pilot assembly
7. Replace gas regulator
CLEANING AND MAINTENANCE
Continued
LOGS
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ing Logs,SDJHWRSURSHUO\UHSODFHORJV
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Periodically inspect these holes for any block-
age and clean as necessary. Blocked air holes
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