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20003889

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This Damper Stop is designed to work on all CFM
Specialty Home Products BR, BC, SR, SC, TF
and TL series fireplaces. For all other fireplaces,
refer to Page 6.

When installing a decorative gas appliance in a
fireplace, some local codes require this Damper
Stop to be used so the Damper will not close
completely.  To install the Damper Stop:

The Damper Locking Bracket is already installed
on all BR, BC, SR, SC, TF and TL fireplaces.
Locate the Damper Locking Bracket on the left
side of the fireplace’s Combustion Dome. (Fig. 1)

With the Damper open, align the two slots on
either side of the cut-out on the Damper Stop with
the two small holes on the angled portion of the
Damper Locking Bracket.  Attach the Damper
Stop with the Screws provided, as shown in
Figure 2.

NOTE: Some of the early fireplace units may not
have the holes in the end of the Damper Locking
Bracket.  If this is the case, use the Damper Stop
as a template to drill two (2) 1/8” holes in the
Damper Locking Bracket to mount the Damper
Stop.

NOTE: Your gas log set is assembled at the factory to be installed in a fireplace plumbed with the gas
on the right side (facing).  If your fireplace is plumbed with the gas on the left side remove fittings on
right and left side of straight burner tube and switch sides, at the same time put front burner tube on
right side with the elbow fitting. (Fig. 5a and 5b)

You may also run a flexible connector (or as per local codes) along the back wall of the fireplace to
bring your gas line to the right hand side. You can then place the set in front of the flexible connector.
(Fig. 5c)

Gas Plumbed on Left Hand Side of Fireplace

8” adjustable crescent wrench; Pipe thread sealant compound or teflon tape; 12” pipe wrench or chan-
nel lock pliers.

Tools Required

Damper Stop Installation:

For Use with BR, BC, SR, SC, TF and TL Series

CFM Specialty Home Products Fireplaces

Figure 1

Damper Plate

Damper Locking Bracket

DP100

Figure 2

Damper Locking
Bracket

Damper Stop Screw

Damper Stop

DP101

Summary of Contents for R18CFL

Page 1: ...ive Gas Appliances for Installation in Solid Fuel Burning Fireplaces SAVE THIS MANUAL FOR FUTURE REFERENCE Decorative Gas Appliance for Installation in Solid Fuel Burning Fireplaces Installation and Operating Instructions for Vented Gas Log Sets Models R18CFL R24CFL R30CFL ATTENTION Installation service and repair of this appliance must be performed by a quali fied installer service agency company...

Page 2: ...he state of California to cause cancer birth defects or other reproductive harm Do not use this appliance or any part that has been under water Immediately call a qualified service technician to inspect the appliance and to replace any part of the control system and any gas control which has been under water Fireplace damper MUST be locked fully open when operating the gas log set If the fireplace...

Page 3: ...owing combustion air to circulate In order to avoid any possible gas leaks apply pipe joint compound to all non flared threaded connections involved in this installation For propane the joint compound must be resistant to the corrosive action of propane To check for leaks always use a soapy water solution or a sniffer Never test by using an open flame The area around the gas logset must be free of...

Page 4: ...ian or other qualified installer must install one Have you checked local building codes Check with your local building department Does your fireplace have a wire mesh screen in place Pre Installation Checklist Yes No NOTE Use of a Pilot or LP Conversion Kit will add 3 to the minimum width requirements Refer to the pilot kit s installation instructions Minimum Firebox Dimensions Minimum Gas Fuel Li...

Page 5: ...se use the Damper Stop as a template to drill two 2 1 8 holes in the Damper Locking Bracket to mount the Damper Stop NOTE Your gas log set is assembled at the factory to be installed in a fireplace plumbed with the gas on the right side facing If your fireplace is plumbed with the gas on the left side remove fittings on right and left side of straight burner tube and switch sides at the same time ...

Page 6: ...spaper 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 is drawn back into the room extinguish the flame and Damper Stop Installation For Use With All Other Fireplaces Connection to Gas Supply 1 Place the burner pan in the fireplace The burner pan should be located several inches from the bac...

Page 7: ...pliance has been moved or disconnected from the gas supply line Adding Pan Material 1 Open the bag of Silica Sand and spread it evenly across the Burner Pan to the top as shown in Figure 6 You may overflow the front and sides of the pan to cover the entire pan and connecting hardware NOTE Sand is for use with Natural Gas ONLY Vermiculite or Lava Rock must be used in place of Sand for Propane Gas S...

Page 8: ... place the smaller top logs diagonally onto the bottom logs The top logs can be arranged to achieve your desired flame pat tern Refer to Figures 9 10 and 11 R18CFL R24CFL and R30CRL Be sure you leave as much open space between the logs as pos sible to minimize flame impingement and sooting 5 Open the bag of Lava Rock and spread the rocks onto the fireplace floor around the burner pan for decorativ...

Page 9: ...ration and Maintenance To Adjust the Flame Adjust the flame to the desired level by rotating the gas valve counterclockwise to open or clockwise to close To Turn the Appliance Off Rotate the gas shut off valve clockwise to off Proper Maintenance Keep the area around the log set clean and clear of debris Occasionally you may use a soft bristle brush to clean logs Once every year a qualified agency ...

Page 10: ...nstalled the correct orifice into the set Burner is Excessively Noisy Please note The movement and combustion of gas will create low unavoidable levels of noise Excessive gas pressure Make sure the gas pressure coming into the fireplace does not exceed the maximum pressure allowed with this gas set refer to tables on page 4 If you are using the gas logs with a safety pilot kit make sure you instal...

Page 11: ...ight Cross Log NNS 3 4312779 4312779 4312779 1f Back Log NNS18B NNS24B NNS30B 4312776 4312788 4312814 1g Front Left Log KO 18L KO 24L KO 30L 4312855 4312845 4312857 1h Front Right Log KO 18L KO 24L 4312856 4312844 4312844 2 Bag of Lava Rock 4310010 4310010 4310010 3 Bag of Silica Sand 4310006 4310006 4310006 4 Bag of Glowing Embers 4310001 4310001 4310001 5 Damper Stop for use with CFM Specialty H...

Page 12: ...ate Step 20000955 20000955 20000955 14 Pan Extension Assembly 20003840 20003841 20003842 15 Burner Tube 3 8 20003826 20003827 20003828 16 Orifice Natural installed into Part 17 20000960 20000961 20000961 17 Burner Inlet Fitting installed into Part 18 20000958 20000958 20000958 18 Flexible Gas Connector 3304176 3304176 3304176 19 Gas Supply Fitting Elbow 3304145 3304145 3304145 ...

Page 13: ...cialty Home Products extends the warranties specified in paragraphs A and B below with respect to its Vermont Castings Decorative Gas Appliances the Gas Appliance including CFM Specialty Home Products supplied accessories and components referred to in those paragraphs subject to the following conditions and limitations 1 These warranties are extended only to the Gas Appliance installed in the cont...

Page 14: ...410 Admiral Blvd Mississauga Ontario Canada L5T 2N6 905 670 7777 www majesticproducts com www vermontcastings com CFM Specialty Home Products ...

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