FMI BTB18 User manual

Figure 1 - Removing Log Set Figure 2 - Installing Replacement Log Set
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REPLACEMENT LOG SET
INSTALLATION INSTRUCTIONS
FOR BTB18, BTB24, PDG18 AND PDG24 GAS LOG HEATERS
WARNING: If log set has been in use, make sure
control knob is in the OFF position, unit is cold and
gas has been turned off.
Part No. Description Qty.
111835-01
111834-01
111827-01
111802-01
111817-08
111824-01
Your replacement kit will contain only one log set assembly depend-
ing on your model. If there is a problem with your replacement log
set contact the authorized dealer where you bought the set or FMI
PRODUCTS, LLC at 1-866-4537.
Items Needed for Installation:
• 5/16'' Hex Socket Wrench or Nut Driver
• Phillips Screwdriver
• 5/8'' Wrench or Adjustable Wrench
1. Remove six screws from sides of log set assembly (three on
each side). Remove log set assembly (see Figure 1). Do not
pull on log assembly to remove. Work log set off chassis by
manipulating metal base.
2. 18'' models only:Disconnectexiblegaslinefromvalveand
burner(seeFigure1).Discardexline.
1
1
1
1
1
2
Replacement Log Set 18'' - BTB18
Replacement Log Set 18'' - PDG18
Replacement Log Set 24'' - BTB24
Replacement Log Set 24'' - PDG24
Flex Tube
Compression Nut/Sleeve
24" Set
18" Set
Bracket
Bracket
Chassis
Chassis
Disconnect
Flexible Gas Line
24" Set 18" Set
3. Place new log set assembly over chassis and align holes on
bracket with holes on chassis (see Figure 2).
4. Replace six screws removed in step 1.

2
118843-01
REV. B
02/11
2701 S. Harbor Blvd.
Santa Ana, CA 92704
1-866-328-4537
www.fmiproducts.com
Figure 3 - Routing and Installing Flexible Gas Line for 18'' Models
(Log Set Not Shown For Clarity)
5. 18'' Models Only:Toassemblenexexline,insertextubeinto
end of compression nut with small opening. Place sleeve over
endofextubeandintocompressionnut.Repeatforotherend.
Attachnewexiblegaslinetovalveandburnerroutedthrough
grate as shown in Figure 3. It is very important that you route
theexlinethroughthebacklegonthegrate.Itcouldinterfere
withplacementinreplaceifroutedaroundleg.
Checking Gas Connections
WARNING: Test all gas piping and connections, in-
ternal and external to unit, for leaks after installing or
servicing. Correct all leaks at once.
WARNING: Never use an open ame to check for a
leak. Apply a noncorrosive leak detection uid to all
joints. Bubbles forming show a leak. Correct all leaks
at once.
See your owner's manual for complete instructions on checking
your gas connections.
Sleeve
Compression Nut Compression
Nut Sleeve
Burner
Valve