Vermont Casting UC241L User's Manual
Contents
1. Noncombustible Material Firebox Opening FP1498 ATTENTION 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 realistic flames This heater is designed for vent free operation with flue damper closed State and local codes in some areas prohibit the use of vent free heaters NOTE Where listed vented decorative logs are re quired thermostat operation is not permitted Minimum Fireplace Size The minimum input for the unvented gas log heater both 18 and 24 sizes is 25 000 BTU Hr The maximum input is 39 000 BTU Hr This rating is for both natural gas and LP gas units It is very important to follow the listed guidelines Before installation the gas log heater make sure the fireplace dimensions conform to the minimum fireplace sizes shown Gas Line Connection A minimum 1 2 gas line is required for distances of 15 20 feet A 3 4 gas line is required for distances over 20 feet A gas shut off valve should be installed near the fireplace Manual Shut off Valve Prior to installing this gas log set a manual gas supply valve must be installed at your fireplace If the fireplace does not have a manual On Off supply valve a licensed plumber gas company technician or other qualified installer must install one Prefabricated Fireplace Refer to the prefabricated fireplace owner s manual for specific instructions As a g2. in the safety information on Page 8 If you do not smell gas go to the next step 3 From the OFF position turn the control knob counterclockwise to PILOT 4 Push in the control knob all the way and hold in Immediately light the pilot by depressing the piezo ignitor button at least once every second until a flame appears at the pilot assembly Continue to hold the control knob in for about 1 minute after the pilot is lit Release the knob and it will pop back up The pilot should remain lit If it goes out repeat Steps 1 and 3 5 Turn the control knob counterclockwise to the desired setting 3311243 Match Lighting 1 If the pilot cannot be lighted with the piezo ignitor it can be manually lit with a match 2 Light the match and with the right hand depress and turn the control knob to the PILOT position 3 With the lighted match ignite the pilot 4 Continue to hold the control knob in for an additional 30 seconds to ensure the pilot remains lighted Piezo Ignitor Control FP1500 Fig 7 Control knob Thermostatic Control 2 The best way to mount the sending bulb is to position it vertically with the capillary at the bottom The thermostat control knob can be set to any comfort NOTE Do not crimp capillary level between HI and LO The thermostat will 3 If you have a masonry fireplace refer to Figure 9 Gradually madulaie tie neal OuIpUL and name Height 4 If you hav
3. NOTE Do not pick up heater base assembly by its U shaped burner This could damage the heater Always handle base assembly by grate 2 Remove all protective packaging applied to logs and for shipment 3 Check all items for any shipping damage If dam aged promptly inform deter where your purchased the heater Gas Plumbed on Left Side of Fireplace 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 you will need to run black iron pipe along the back wall of the fireplace or as per local codes to bring the gas line to the right side You can then place the log set in front of the black pipe Hood Installation NOTE A hood assembly is not included with this vent free gas set Refer to Page 5 to see if a hood is required The following instructions are specific to prefabri cated or masonry fireplaces Refer to the instruc tions that match your fireplace prefabricated or masonry If glass doors are installed on your fireplace they must be removed to install the hood and may not be usable with a vent free appliance Hood Installation for Prefabricated Fireplace ONLY 1 Measure the fireplace opening and adjust the hood to fit your opening The right and left filler panels should extend equally from the center piece connec tor 3311243 e If the fireplace has glass doors remove
4. Installation and Operating Instructions for Unvented Gas Log Heaters Thermstatically Controlled Double Burner Models Certified to ANSI Z21 11 2A Standard UC181N UE181N UC241N UE241N Natural Gas UC181L UE181L UC241L UE241L Propane Decorative Gas Appliance For Installation In Solid Fuel Burning Fireplaces WARNING If the information in this manual is not followed exactly a fire or explosion may result causing property damage personal injury or loss of life Do not store or use gasoline or other flam mable 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 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 fire department WARNING This appliance is for installation in a a solid fuel burning fireplace or approved ventless enclo sure Do not install this appliance in bedrooms bathrooms mobile homes or recreational vehicles ATTENTION This is an unvented gas fired heater It sues air oxygen from the room in which it is installed Provisions for adequate combustion and venti lation air must be provided ATTENTION Installation service and repair of this appli ance must be performed by a qualified installer service agency company o
5. allation of a modified or damaged gas log set 3 Installation or use of a component part or accessory not manufactured or approved by CFM Home Products 4 Failure to address the following e Not for use with unprocessed private well gas 3311243 CFM Home Products reserves the right to make changes in design materials specifications prices and discontinue colors and products at any time without notice UC UE181 UC UE241 Series Unvented Gas Log Heaters Ref Description UC UE181 UC UE241 ta Log Assembly 2 Larger Bottom Logs 4312759 4312760 ib Log Assembly 3 Smaller Top Logs 4312761 4312762 2 Bag of Lava Rock 2 lbs 2 per Heater 20000198 20000198 3 Flexline Gas Connector 3304177 3304177 4 Damper Clamp Assembly 7540310 7540310 5 Vent Free Grille Assembly 3304128 3304129 6 Vent Free Double Burner 20002746 3302035 20002752 3304036 7 Grate 4303064 4303065 8 Aluminum Pilot Connector 3304103 3304103 9 Pilot ODS 7549370 7549370 10 8 32 KEPS Nut 3009016 3009016 11 Orifice 3304010 3304098 12 3 8 MIP x 3 8 Flare Elbow 3304006 3304006 13 Aluminum Burner Connector 3304101 3304101 14a Valve TP UV Eurosit Nat 10001771 10001771 14b Valve TP UV Eurosit LP 10001772 10001772 15 Vent Free Ember Strip 3310031 3310032 16 3 8 Flare x 1 2 FIP 7567106 7567106 12 3311243 Warranty Lifetime Limited Warranty on logs in original fireplace only One Year Limited Warranty on all other com
6. bow at the back of the control valve Fig 6 Gas supply connection Log Placement NOTE There has been a sheet included in this gas log set entitled Proper Log Placement Vent Free Gas Logs This shows the proper log placement for your vent free set depending on your model Do not add extra logs to this set The addition of extra logs to this set will invalidate the CSA certification and void any product warranty Lava Rock Placement Sprinkle the lava rock on the floor of your fireplace around not on the burner assembly Be careful to keep the lava rock away from the burner assembly Lava rock is only for a decorative purpose and is not to interact at all with the burner IMPORTANT Lava rock is for decorative purposes only Do not let lava rock interfere with burner assembly Putting lava rock onto the burner can create carbon monoxide and a hazardous situation Lighting Sequence FOR YOUR SAFETY READ BEFORE LIGHTING WARNING IF YOU DO NOT FOLLOW THESE INSTRUCTIONS EXACTLY A FIRE OR EXPLOSION MAY RESULT CAUSING PROPERTY DAMAGE PERSONAL INJURY OR LOSS OF LIFE This appliance has a pilot which must be lighted by hand When lighting the pilot follow these instructions exactly 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 to the floor WHAT TO DO IF YOU SMELL GAS Do not try to light any applianc
7. e 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 fire department Use only your hand to push in or turn the gas control knob Never use tools If the knob will not push in or turn by hand do not try to repair it call a qualified service technician Forcing the knob or attempting repair may result in a fire or explosion Do not use this appliance if any part has been under water Immediately call a qualified service technician to inspect the appliance and to replace any part of this control system and any gas control which has been under water 3311243 After your installer does the test burn the log set should be operated either with the chimney open or in the absence of a chimney with a window open approxi mately 1 2 inches This operation should last for about 2 3 hours to cure the logs and dissipate any residual fumes from the new unit This unvented gas log heater must not be used with glass doors closed If used with glass doors the mesh curtain or panels must be closed The glass doors must be open to allow combustion air to the appliance When used without glass doors a fireplace screen or free standing screen must be in place The screen must have openings for the introduction of combustion air Always maintain a clear area of at l
8. e a factory built metal fireplace refer to from higher to lower settings in order to maintain the i Figure 10 i comfort level you select The ideal comfort setting will vary by household depending upon the amount of space to be heated the output of the central heating system etc NOTE Selecting the HI setting with the control knob will cause the burner to remain fully on without modu lating down in most cases Positions of Thermostat Sensing Bulb The thermostat sensing bulb can be found on the gas valve assembly Instructions follow for placement of this bulb to achieve proper thermostatic operation 1 Locate the gas valve assembly and thermostat sensing bulb Fig 8 2 The thermostat sensing bulb has been placed in the best location by the manufacturer FP1502 NOTE If the room temperature drops to a lower than ideal comfort level even at the highest setting you may want to use some sort of mounting clip or bracket not provided to reposition the thermostat sensing bulb in the locations listed below 5 If your fireplace has glass doors position sensing bulb directly behind door gap on right bottom side Fig 11 Inner Fireplace Wall Fig 8 Thermostat sensing bulb Determining Sensing Bulb Location The thermostat sensing bulb can be attached to a new position by mounting a bracket or mounting clip not provided in the following locations and placing the sensing bulb into this bracket 1 The therm
9. east 3 feet in front of the fireplace Periodically check the pilot The flame should be present if the main supply or safety control valve knob are not in the OFF position This unvented gas log set operates as a room heater when the flue damper is closed It is equipped with an Oxygen Depletion Sensor pilot light system that will automatically shut off the entire unit if the oxygen level falls below a safe level Open a window slightly to allow fresh air into the room when operating the gas log set as a heater NOTE Unvented gas log owners usually prefer to operate their sets with the chimney damper closed This will put all the heat into the room However there may be times you will desire the full flames of the Hi heat setting but will find the heat output excessive You can open the chimney damper if you have one fully or partially to release some of the heat WARNING Damper handle will be hot if heater has been operating Appliance Lighting Instructions NOTE Pilot assembly is mounted to the burner tube support channel 1 STOP Read the safety information on Page 8 If a fabricated firebox with a blower fan is used with this appliance turn off electrical power to the fan before lighting Turn the manual gas control knob clockwise 7 to the full OFF position DO NOT FORCE 2 Wait 5 minutes to clear out any gas Then smell for gas including near the floor If you smell gas STOP Follow instruction B
10. eneral guideline only any insulation removed from the fireplace should be replaced and the gas supply line should not touch any wood within a distance of 1 from the fireplace side walls Natural Gas The minimum inlet supply pressure for the purpose of input adjustment shall be 4 5 of water column w c The maximum inlet supply pressure shall be 10 5 w c The regulator pressure should be 3 5 w c LP Gas You must use an external pressure regulator for LP gas log sets to reduce the supply tank pressure to 14 w c The minimum inlet supply pressure for the purpose of input adjustment shall be 11 w c The maximum inlet supply pressure shall be 14 w c The regulator pressure should be 10 w c Pressure Testing The appliance and its individual shut off valve must be disconnected from the gas supply piping system during any testing of this system at test pressures in excess of 1 2 psig 3 5 kPa The gas log set must be isolated from the gas piping system at test pressures equal to or less than 1 2 psig 3 5kPa An 1 8 NPT fitting located on the bottom of the gas control valve must be re moved to connect a test gauge to measure the manifold pressure Tools Required 8 adjustable crescent wrench Pipe thread compound or teflon tape 12 pipe wrench or channel lock pliers For Hood Installation Power drill 3 32 drill bit Phillips screwdriver 1 Remove logs and heater base assembly from carton
11. enings into the combustion chamber and adequate clearance for servicing and proper operation WARNING WARNING Do not use this appliance or any part that has Due to high temperatures the appliance should been under water Immediately call a qualified be located out of traffic and away from furniture service technician to inspect the appliance and to and draperies Children and adults should be replace any part of the control system and any alerted to the hazards of high surface tempera gas control which has been under water ture and should stay away to avoid burns or clothing ignition WARNING Young children should be carefully supervised WARNING when they are in the same room with the heater Improper installation adjustment alteration Do not allow children to touch or operate this gas service or maintenance can cause injury or log heater property damage For assistance or additional information consult a qualified installer service agency or the gas supplier WARNING Clothing or other flammable material should not be placed on or near the appliance Solid fuels shall not be burned in a fireplace where an unvented room heater is installed TECHNICAL INFORMATION Gas Pressure Testing This gas heater and its individual shut off valve MUST be disconnected from the gas supply piping system during any pressure testing of that system at test pressures in excess of 1 2 psig 3 5kPa The gas heater must be isolated from the gas sup
12. l Gas Code ANSI Z223 1 NFPA 54 4 3311243 Installation Guidelines The fireplace must meet the minimum dimensions listed below Fig 1 Do not install the logset if the fireplace does not meet these minimums A B C D Width Width p BTU Hr 18 UC181N 18 UE18IN 24 UC241N Natural 25 000 24 UE241N 25 000 18 UC181L 25 000 18 UE181L 25 000 24 UC241L 25 000 24 UE241L 25 000 FD370 2 Fig 1 Minimum fireplace dimensions Fireplace Spacing Requirements The illustration in Figure 2 shows spacing requirements for your room with a hood installed not included Without a hood you must maintain a minimum of 32 between the top opening of the firebox and the bottom of a mantel which protrudes out 12 If you do not have at least 32 between the two a hood must be installed With a hood installed you must maintain a minimum of 24 between the top opening of the fireplace and the bottom of the mantel NOTE The distance between any combustible material and the top opening of the fireplace must be a minimum of 18 above the opening Without Hood With Hood Ceiling Noncombustible Material Side Wall NOTE In all cases the top of the opening for the firebox must be a minimum of 42 from the ceiling The Opening side openings must be a minimum of 6 from the closest side wall Firebox Fig 2 Clearances to combustibles 3311243
13. ostat sensing bulb may be located to the lower right front side of the fireplace Determine location of sensing bulb depending on which kind of fireplace you have Fireplace FP1504 Glass Door Fig 11 Sensing bulb with glass doors installed 10 3311243 Oxygen Depletion System For your safety this appliance is equipped with an oxygen depletion system This system senses the oxygen in the firebox and switches off the gas supply before the amount of oxygen falls below safe levels Fig 12 Pilot ODS Sensor Flame Thermocouple po Piezo Ignitor Fig 12 Pilot Maintenance To clean the burner and pilot assembly e Shut off the gas supply e Allow the unit to cool to room temperature e Remove all the logs and brush or vacuum lightly e Brush any dust buildup on the pilot assembly NOTE All installation repairs and maintenance should be done by a qualified service person The appliance should be inspected before use and at least annually by a professional service person More frequent cleaning may be necessary as you detect dust or carpet lint on the appliance It is imperative that burners controls the control compartment and air circulating passageways be kept clean and unobstructed 3311243 The warranty may be void and CFM Home Products disclaims any liability for property damage or personal injury caused as a result of the following 1 Installation other than that required by local codes 2 Inst
14. ply piping system by closing its indi vidual manual shut off valve during any pressure testing of the gas supply piping system at test pres sures equal to or less than 1 2 psig 3 5kPa Component Parts 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 gas heater or use of unauthorized components or accessory items will void the manufacturer s warranty and may result in a hazardous condition 2 3311243 CARBON MONOXIDE POISONING MAY LEAD TO DEATH When used without fresh air vent free gas logs may give off carbon monoxide an odorless poisonous gas Some people such as pregnant women people with heart or lung disease and persons at high altitudes are more affected by carbon monoxide than others Early signs of carbon monoxide poisoning resemble the flu Headache dizziness and or nausea If you have these signs the heater may not be installed or working properly Get fresh at once Have the heater and chimney serviced before using again Before You Begin Attention Do not allow fans to blow directly into the fireplace Avoid any drafts that alter burner flame patterns Do not use a blower insert heat exchanger insert or other accessory not approved for use with this heater Any outside air ducts and or ash dumps in the fireplace shall be permanen
15. ponents in original fireplace only Proof of Purchase required If during their lifetime the cement logs fail due to a defect in material or workmanship CFM Home Prod ucts will repair or replace at our option free of charge In addition up to one year from the date of purchase if any other component fails due to a defect in material or workmanship CFM Home Products will repair or replace at our option free of charge This warranty does not include any labor or transporta tion costs incidental to the removal and or reinstallation of this gas log set at the owner s premises This warranty does not cover defects resulting from improper or abnormal use abuse misuse accident or alteration 3311243 Failure to follow all instructions in this owner s manual will also void this warranty CFM Home Products will not be liable for incidental or consequential damages Some states do not allow the exclusion or limitation of incidental or consequential damages so the above exclusion or limitation may not apply to you This warranty gives you specific legal rights and you may also have other rights which vary from state to state To order parts or to obtain warranty service call 800 668 5323 13 CFM Home Products 2695 Meadowvale Blvd e Mississauga Ontario Canada L5N 8A3 800 668 5323
16. r gas supplier experienced with this type of gas appliance INSTALLER Read these instructions completely and care fully prior to beginning installation The installer should initiate the startup procedure and oper ate the gas log heater for a minimum of 15 30 minute test burn After installation leave these instructions with the owner OWNER Read these instructions and follow the warn ings Save this manual for future reference WARNING Keep appliance clear and free from combustible materials gasoline and other flammable vapors and liquids WARNING Any changes to this heater or its controls can be 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 CFM Home Products 2695 Meadowvale Blvd Mississauga Ontario Canada L5N 8A3 800 668 5323 3311243 7 04 Rev 1 ATTENTION This unvented gas log heater has been certified by CSA and tested to conform to ANSI Z21 11 2 Gas Fired Room Heaters Check local codes before installing this log heater In some areas of the country unvented gas log heaters are restricted The installation and provision for combustion and ventilation air must conform with the National Fuel Gas Code ANSIZ223 1 NFPA 54 latest edition the National Electrical Code ANSI NFPA 70 latest edition and any applicable local codes You must provide adequate clearances around air op
17. rough the lintel bar and attach the hood using the 8 x 1 2 self tapping screws sup Left Filler Panel plied with the hood assembly 5 Drill the side attachment holes in the brick with a 8 x 1 2 Self masonry drill and attach the hood to the brick with tapping Screws suitable masonry anchors not provided Fig 3 Hood installation without door track 6 Slide the vertical projection of the hood into the door track and drill 3 32 holes through the track and the Connector front panel using the slots in the top of the vertical hood projection as your guide Attach the hood with 8 x 1 2 self tapping screws supplied with hood assembly 7 Drill 3 32 holes in the surround sides of the fireplace and attach the filler panels with 8 x 1 2 self tapping screws supplied with hood assembly z Left Filler Panel 8 x 1 2 Self tapping Screws Fig 5 Masonry fireplace hood installation 3311243 7 Connection to Gas Supply 1 Place the burner assembly grate and control package in the fireplace Center the assembly front to back and side to side 2 Install the gas supply fitting to the gas supply pipe Use pipe thread sealing compound or Teflon tape on the iron pipe threads only Do not use on flared threads 3 Connect the burner assembly to the gas supply with the aluminum gas line connector Attach one end of the aluminum connector to the gas supply fitting and the other end to the flared el
18. ss odors during initial operation Provide extra ventilation to the room for the initial 2 3 hour break in period 3311243 Provisions for Adequate Combustion and Ventilation Air This heater shall not be installed in a CONFINED SPACE or unusually tight construction unless provi sions are provided for adequate combustion and ventilation air The NATIONAL FUEL GAS CODE ANSI Z223 1 NFPA 54 defines a CONFINED SPACE as a space whose volume is less than 50 cubic feet per 1000 BTU per hour 4 8m per kw of the aggregate input rating of all appliances installed in that space and an UNCONFINED SPACE as a space whose volume is not less than 50 cubic feet per 1000 BTU per hour 4 8m per kw of the aggregate input rating of all appliances installed in that space Rooms communicating directly with the space in which the appliances are installed through openings not furnished with doors are considered a part of the unconfined space Determining if You Have Adequate Combustion and Ventilation Air in Your Space 1 Determine the volume of space length x width x height Include adjoining rooms connected by doorless passageways or ventilation grilles Example A room that is 25 x 18 x 8 has a volume of 3 600 cubic feet If additional ventilation to adjoining rooms is supplied with grilles or openings add the volume of these rooms to the total volume of the space 2 Divide the volume of space by 50 cubic feet The res
19. the glass doors and frame assembly or the upper door eo track e If the upper door track has been removed follow the instructions for Figure 3 If the upper door track remains skip Figure 3 and follow the instructions for Figure 4 2 If the upper door track has been removed hold the adjustable hood not included in position with the front of its vertical hood projection flush with the front face of the fireplace 3 Drill 3 32 holes through the upper panel using the slots in the top of the vertical hood projection as your guide 4 Remove any existing screws which interfere with a Upper Door Track Connector Left Filler Panel flush fit of the hood to the surround top 5 Attach the hood not provided to the surround top NI with 8 x 1 2 self tapping screws supplied with gasten 1o 8 x 1 2 Self hood assembly Side tapping Screws Drill 3 32 Dia Fig 4 Hood installation with top door track Hole Hood Installation for Masonry Fireplaces ONLY 1 Remove the glass door assembly if one is fitted to the fireplace 2 Measure the fireplace opening and adjust the hood C Connector to fit the opening The right and left filler panels not included should extend equally from the center piece connector not included j 3 Hold the hood in position and mark the lintel bar 8 x 1 2 Self PA using the slots in top of the vertical hood projection tapping Screws as a guide 4 Drill 3 32 holes th
20. tly closed at time of appli ance installation The appliance should be inspected before use and at least annually by a professional service person More frequent cleaning may be required due to excessive lint from carpeting bedding material etc It is imperative that control compartments burners and circulating air passageways of the appliance be kept clean Your fireplace must include a chain mesh or similar screen The screen must remain fully closed while operating your log set Any safety screen or guard removed for servicing this appliance must be replaced prior to operation If your fireplace includes glass doors they must remain fully open to allow for combustion air during operation and to prevent overheating of the gas valve Your log set must be installed in a solid fuel burning fireplace constructed of noncombustible material If this log set is to be used with propane gas your propane supply tank must include a high to low gas pressure regulator and must be located outside DO NOT place supply tanks inside any structure Be sure to apply pipe joint compound to all non flared threaded connections involved in this installa tion to avoid possible gas leaks Compounds used in liquid propane applications must be resistant to the action of that gas Always test for leaks using a soapy solution NEVER US AN OPEN FLAME The manufacture and shipping of your log set involves compounds which may cause detectable yet harmle
21. ult is the maximum BTU Hr the unconfined space can support Example 3 600 cubic feet divided by 50 72 or 72 000 BTU Hr maximum Btu Hr the space can support 3 Add the BTU Hr ratings of all fuel burning appliances installed in the same space NOTE Do not include direct vent appliances as these utilize outside air for combustion and vent to the outdoors Example Gas range 55 000 BTU Hr Vent Free Heater 39 000 BTU Hr Total 80 000 BTU Hr 4 Compare the maximum BTU Hr rating the space can support with the total BTU Hr used by the appliances Example 72 000 BTU Hr Max the space can support 94 000 BTU Hr Total used by the appliances In this example the minimum BTU Hr the space can support is less than the total BTU Hr used by the appliances The space is considered CONFINED SPACE Additional air must be provided to meet the requirements of the vent free heater If you have no other fuel burning appliances located in the space then the minimum necessary space you would need for this 39 000 BTU Hr maximum heater is 1950 cu ft An example of such a room would be one with a length of 22 width of 12 and a standard 8 ceiling 22 x 11 5 x 8 2 024 cubic feet If the area in which the heater may be operated is smaller than that defined as an unconfined space or if the building is of unusually tight construction provide adequate combustion and ventilation air by one of the methods described in the National Fue
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