Emberglow BVFM18NL Installation Guide
Contents
1. Figure 12 External Regulator with Vent Pointing Down CAUTION Use only new black iron or steel pipe Internally tinned copper tubing may be used in certain areas Check your local codes Use pipe of 1 2 diameter or greater to allow proper gas volume to ap pliance If pipe is too small undue loss of pressure will occur Shutoff Valve Installation must include an equipment shutoff valve union and plugged 1 8 NPT tap Locate NPT tap within reach for test gauge hook up NPT tap must be upstream from appliance 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 re quirements for locating equipment shutoff valve to fireplaces Apply pipe joint sealant lightly to male NPT threads This will prevent excess sealant from going into pipe Excess sealant in pipe could result in clogged fireplace valves Never use sealant on flare threads CSA Design A ST Certified Equipment sig Shutoff Valve With 1 8 NPT Tap Approved Gas Line Propane LP From External Regulator 11 ae f Ich W C to 14 3 Minimum W C Pressure Ai a Natural Gas From Gas Meter 7 W C Pipe Cap Tee to10 5 W C wee Pressure Sediment Trap Figure 13 Gas Connection Purchase theoptional CSA design certified equipment shutoff valve from your dealer2. Minimum inlet pressure for purpose of input adjustment We recommend that you install a sediment trap in supply line as shown in Figure 13 Locate sediment trap where it is within reach for cleaning Install in piping system between fuel supply and appliance Locate sediment trap where trapped matter is not likely to freeze A sediment trap traps moisture and contaminants This keeps them from going into appliance gas controls If sediment trap is not installed or is installed wrong appliance may not run properly CHECKING GAS CONNECTIONS A WARNING Test all gas piping and con nections internal and external to unit for leaks after installing or servicing Correct all leaks at once A WARNING Never use an open flame to check for a leak Apply a mixture of liq uid soap and water to all joints Bubbles forming show a leak Correct all leaks at once Pressure Testing Gas Supply Piping System Test Pressures In Excess Of 1 2 PSI 3 5 kPa 1 Disconnect appliance with its main gas valve control valve and equipment shutoff valve from gas supply pipping system Pressures in excess of 1 2 psi will damage appliance gas regulator 2 Cap off open end of gas pipe where equipment shutoff valve was connected 3 Pressurize supply piping system by either opening propane LP supply tank valve for propane LP gas or Opening main gas valve located on or near gas meter of natural gas or using compressed air 4 Check
3. page 14 e see Troubleshooting pages 17 through 20 If burner flame pattern is incorrect as shown in Figure 25 page 16 your log set is set Up for use with a different gas type To correct this you must e tum heater off see To Turn Off Gas To Log Set page 14 e call a qualified service person to convert the log set for use with the gas type supplied to log set location See Converting Gas Type pages 8 and 9 Figure 24 Incorrect Burner Flame Pattern Excessive flame height combined with extreemly yellow flames producing soot continued 15 Figure 25 Incorrect Burner Flame Pattern Due To Using Wrong Gas Type CLEANING AND MAINTENANCE WARNING Turn off appliance and let cool before cleaning CAUTION Keep burner and control compartment clean See installation and operating instructions accompanying heater Inspect these areas of fireplace before each use Have fireplace inspected yearly by a qualified service person Fire place may need more frequent cleaning due to excessive lint from carpeting bedding material pet hair etc AX WARNING Failure to keep the primary air opening of the burner clean may result in sooting and property damage BURNER INJECTOR HOLDER AND PILOT AIR INLET HOLE The primary air inlet holes allow the proper amount of air to mix with the gas This provides a clean burning flame Keep these holes clear of dust dirt lint and pet hair Blocked air h
4. EMBERGLOW VENT FREE GAS LOG SET Owner s Operation and Installation Manual We recommend that our products be installed and serviced by professionals who are certified in the U S by NFI ne National Fireplage LAUNE iu www nficertified org WARNING If the information in this manual is not followed exactly a fire or explosion may result causing property damage pe rsonal injury or loss of life Donotstoreor use gasolineor other flammable vapors and liquids in the vicinity of this or any other appliance WHATTO DO IFY OU SMELL GAS e Do not try to light any appliance e Do not touch any electrical switch do not use any phone inyour building e Immediately call your gas supplier from a neighbor s phone Follow the gas supplier s instructions e If you cannot reach your gas supplier call the fire department Installation and service must be performed by a qualified installer service agency or the gas supplier This is an unvented gas fired heater It uses air oxygen from the room in which it is in stalled Provisions for adequate combustion must be provided Refer to page 4 air for combustion and vent ilation MODEL BVFM18NL MVFT24NL Tested amp Portland Oregon USA US OMNI T est Laboratories Inc Unvented Room Heaters Report 394 L 18 5 INSTALLER Leave this manual with the appliance CONSUMER Retain this manual for future reference This appliance has been te
5. IMPORTANT Read this owner s manual carefullyand completely before trying to as semble operate or service this appliance Improper use of this appliance can cause serious injury or death from burns fire explosion electrical shock and carbon monoxide poisoning WARNING Improper installation adjust ment alteration service or maintenance cancauseinjury or property damage Refer to this manual for correct installation and operational procedures For assistance or additional information consult a qualified installer service agency or the gas supplier AX DANGER Carbon monoxide poisoning may lead to death Carbon Monoxide Poisoning Earlysigns of Carbon M onoxide Poisoning resemble the flu with headaches diz ziness and or nausea Ifyou have these signs heater May not be working properly Get fresh air at once Have heater serviced Some people pregnant women persons with heart or lung disease anemia those under the influ ence of alcohol those at high altitudes are more affected by carbon monoxide than others Propane LP Gas Propane LP gas is odorless An odor making agent isadded to the gas The odor helps you detect a gas leak However the odor added to the gas can fade Gas may be present even though no odor exists M ake certain you read and understand all warnings Keep this manual forreference Itisyour guide to safe and proper operation of this appliance AX WARNING Any changes to this heate
6. adjust heating levels by using the equipment shutoff valve NS TO TURN OFF GAS u TO LOG SET to the OFF Shutting Off Heater 1 Turn control knob clockwise Z N position 2 Close equipment shutoff valve Shutting Off Burner Only pilot stays lit Turn control knob clockwise to the PILOT position NN THERMOSTAT CONTROL OPERATION Model MVFT24NL Only The thermostatic control used on this model differs from standard thermostats Standard thermostats sim ply turn the burner on and off The thermostat used on this heater senses the room temperature At times the room may exceed the set temperature If so the burner will shut off The burner will cycle back on when room temperature drops below the set temperature The control knob can be set to any heat level between HI and LO Note The thermostat sensing bulb measures the tem perature of air near the appliance This may not always agree with room temperature depending on housing construction installation location room size open air temperatures etc Frequent use of your log set will let you determine your own comfort levels Thermostat sensing bulb DAT ESA CSA e Figure 18 Thermostat Sensing Bulb E MANUAL CONTROL OPERATION Model BVFM18NL Only Manually adjust the flame height and heat output by turning the control knob to the desired setting between HI an LO MANUAL LIGHTING PROCEDURES 1 Follow steps
7. all leaks see Checking Gas Connec tions page 11 SPECIFICATIONS BVFM18NL MVFT24NL AAA Gas Type Using Natural Gas Input Maximum 31 000 Btu Hr 39 000 Btu Hr Manifold Pressure 4 5 in W C 4 5 in W C Maximum Inlet Pressure 10 5 in 10 5 in Minimum Inlet Pressure fin fin Input Maximum 36 000 Btu Hr 39 000 Btu Hr Manifold Pressure 10 in W C 10 in W C Maximum Inlet Pressure 14 in 14 in Minimum Inlet Pressure 11 in 11 in Ignition Piezo Piezo Dimensions HxWxD 18 x 22 x 12 18 x 28 x 15 Note Dimensions listed are outer most points on the heater includes control knobs and grill For purposes of input adjustment 21 22 PARTS LIST amp ILLUSTRATED PARTS BREAKDOWN oO ON OO FW YP Model BVFM18NL Burner Support Clip Piezo Igniter NG Orifice Outlet Tube Selection Valve Selection Valve Plate Dual Fuel Linkage Selection Nut ODS Tube NG ODS Tube LP ODS NG ODS LP Valve Tube Elbow 125 MNPT x 375MUNF ODS Tube LP amp NG Manual Control Valve Control Valve Nut M15x1 Control Valve Knob CP 7 2 Elbow 250 FNPT x 5625 FLR Fitting Elbow 375 FNPT x 375 MNPTX125FNPT 1 8 NPT Fitting Dual Fuel Regulator Elbow 375MNPT amp 625MUNF Adapter 625 Female UNF x 625 Male Flare Part Description Part Number Dual Burner Shutter Cotter Pin Temperature Switch 250 F Main Support Assembly FCHD1809005 FCHD1809006 FCHD2609016 FCSHBF09024 FCHD18
8. authorized dealers of this product Ifthey can tsup ply original replacement part s call SHM International s Technical Service Department at 800 229 5647 When calling SHM International have ready e your name e your address e model and serial numbers of your heater e how heater was malfunctioning e type of gas used propane LP or natural gas e purchase date Usually we will ask you to return the part to the factory Parts Not Under Warranty Contact authorized dealers of this product If they can t supply original replacement part s call SHM International at 800 229 5647 for referral information When calling SHM International have ready model number of your heater e the replacement part number 26 SERVICE HINTS When gas pressure is too low e pilot will not stay lit e heater will not produce specified heat e propane LP gs supply may be low You may feel your gas pressure is too low If so contact your local natural or propane LP gas supplier Note Use only original replacement parts This will protect your warranty coverage for parts replaced under warranty TECHNICAL SERVICE You may have further questions about installation opera tion or troubleshooting If so contact SHM International s Technical Service Department at 800 229 5647 When calling please have your model and serial numbers of your heater ready You can also visit SHM International s Technical Service web site at
9. can be switched between propane LP and natural gas If installing to a propane LP system the ap pliance must be switched to propane LP use Follow the steps below to select propane LP 1 Carefully remove the logs from the burner assembly 2 Make sure gas is turned off to the unit and disconnect burner assembly from gas line Remove burner assembly from fireplace or firebox 3 Locate the regulator cap on the appliance regulator see Figure 7 Unscrew by hand and remove the cap from the regulator The pressure selecting screw 1s attached to the regulator cap The pressure selecting screw is in the natural gas position 4 Unscrew andremove the pressure selecting screw from the regulator cap see Figure 8 5 Turn pressure selecting screw over and reinstall it to regulator cap see Figure 9 This will set the pressure selecting screw to the propane LP position Make sure the pressure selecting screw is installed tightly to the regulator cap Replace the regulator cap on the appliance regulator 7 Remove setscrew from selector valve linkage see Figure 10 8 Slightly presyeledtor plate and rotate linkage coun terclockwise until it stops 9 Reinstall setscrew 10 Mark on rating label propane LP gas Note Slot in linkage will indicated the type of gas selected Red color code on linkage decal will indicate correct setting for propane LP 11 Place log set burner assembly inside fireplace or fire box Connect
10. push in or turn the gas control knob Never use tools If the knob will not push in or turn by hand don t try to repair it call a qualified service technician Force or attempted repair may result in a fire or explosion D Do not use this appliance if any part has been under water Immediately call a qualified service techni cian to inspect the appliance and to replace any part 8 of the control system and any gas control which has been under water BE structions MM INSTRUCTIONS A WARNING You must operate this appli ance with the fireplace or firebox screen in place Make sure fireplace or firebox screen is installed before running appliance NOTICE During initial operation of new log set burning logs will give off a paper burning smell Open window to vent odor Operate ap pliance on HI position to burn off odor This will last a few hours 2 FOR YOUR SAFETY 5 READ BEFORE OPERATING 4 STOP Read the safety information starting on page 2 Turn control knob clockwise N to the OFF position Wait five 5 minutes to clear out any gas Then smell for gas including near the floor If you smell gas STOP Follow B in the safety information above If you don t smell gas go to the next step Turn control knob counterclockwise 4 N to the PILOT position Press in control knob for five 5 seconds see Figure 17 Note You may be running this heater for the first time after hooking up to g
11. to gas supply and check for leaks See Connecting to Gas Supply page 10 12 Replacelogs onto burner assembly See Log Placement page 12 Pressure Appliance Selecting Regulator Screw Regulator Cap Figure 7 Gas Selection Valve Knob and Regulator Cap Figure 8 Removing Regulator Cap from Pressure Selecting Screw Figure 9 Turning Pressure Selecting Screw Over and Attaching to Regulator Cap Propane LP Position Propane Gas Setting Selector Se Valve Plate Pet Screw O cas Wn Di eg AN Eb Se PO um goose E O ae ve E get a SA Linkage P 0 Air Shutt 3 Ir da Open AS JAS ener N MN N Position Figure 10 Selector Valve Set to Propane LP Position lt a N INSTALLATION Continued INSTALLATION CLEARANCES A WARNING Maintain the minimum clear ances Mantel Clearances for Installation If placing mantel above heater you must meet the mini mum clearance between the mantel shelf and the top of the firebox opening NOTICE Surfacetemperatures ofadjacent walls and mantels become hot during operation Walls and mantels above the firebox may become hot to the touch If installed properly thesetemperatures meet the requirement of the national product standard Follow all minimum clearances shown in this manual Mantel Shelf Note All vertical measurements are from top of fireplace opening to bottom of mantel
12. www sureheat com SERVICE PUBLICATION You can purchase a service manual from the address listed on the back page of this manual Send a check for 5 00 payable to SHM International NOTES WARRANTY INFORMATION KEEP THIS WARRANTY Model Serial No Date Purchased Always specify model and serial numbers when communicating with the factory LIMITED WARRANTY SHM International Corp warrants the components of this appliance to be free from defects in material and workmanship for one 1 year from the date of purchase SHM International Corp at its option will repair or replace this product or any component of the product found to be defective during the warranty period Re placement will be made with a new manufactured product or component If the product is no longer available replacement may be made with a similar product of equal value This warranty does not include transportation or shipping costs of any kind This your exclusive warranty This warranty is valid for the original retail purchaser from the date of initial retail purchase and is not transfer able K eep the original sales receipt Proof of purchase is required to obtain warranty parts This warranty does not cover normal wear of parts such as scratches and dents of the components or damage resulting from any of the following negligent use or misuse of the product including exposing the product to chemicals or cleaning products not approved by SHM Interna
13. 09007 FCHD1809008 FCSHBF09013 FCHD1809009 FCHD1809010 FCHD1809011 FCHD2609024 FCHD2609023 RHWBFO0003A FCHD1809012 FCHD1809013 RCOZZOOXX2A RCOZZOOXX3A FCHD1809014 FCHD1809015 FCHD1809016 FCHD1809017 RHWDZ00005A FCHD1809018 FCHD1809019 FCHD1809020 FCHD2309031 FCSHBF09005 FCHD2409014 FCHD1809021 oo Dai O db od od od dd La do bo Model BVFM18NL 23 PARTS LIST amp ILLUSTRATED PARTS BREAKDOWN Model MVFT24NL Part Description Part Number Dual Burner FCHD2409005 Shutter FCHD1809006 Cotter Pin FCHD2609016 Temperature Switch 230 F FCSHBF09032 Main Support Assembly FCHD2409006 Burner Support Clip FCHD 1809008 Piezo Igniter FCSHBF09013 NG Orifice FCHD2409007 Outlet Tube FCHD1809010 Selection Valve FCHD2409008 Selection Valve Plate FCHD2609024 Dual Fuel Linkage FCHD2609023 Selection Nut RHWBFO0003A ODS Tube NG FCHD2409010 ODS Tube LP FCHD2409009 ODS NG RCOZZOOXX2A ODS LP RCOZZOOXX3A Valve Tube FCHD2409011 ODS Tube LP amp NG FCHD2409012 Control Valve FCSHBF09031 Adapter 375 MNPT x 5625 MUNF 4 L FCHD2409013 Dual Fuel Regulator FCSHBF09005 Elbow 375 MNPT amp 625 MUNF FCHD2409014 oO ON OO FW N 4 4 4 4 4 2 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 Model MVFT24NL 25 SERVICE INFORMATION REPLACEMENT PARTS Note Use only original replacement parts This will protect your warranty coverage for parts replaced under warranty Parts Under Warranty Contact
14. 1 through 5 under Operating Instruc tions page 13 2 With control knob pressed in strike match Hold match to pilot until pilot lights 3 Keep control knob pressed in for 30 seconds after lighting pilot After 30 seconds release control knob 4 Now follow step 8 under Operating Instructions page 13 to light burner RESETTING TEMPERATURE SWITCH NOTICE Log setis equipped with a system to turn off log set if not operating on cor rect gas If the temperature switch requires resetting press button see Figure 19 Do not reset until unit has been checked by a qualified service installer Temperature Switch Figure 19 Temperature Switch 14 INSPECTING BURNERS Check pilot flame pattern and burner flame patterns of ten PILOT FLAME PATTERN Figure 20 shows the LP Propane pilot flame pattern Fig ure 21 shows Natural Gas pilot flame pattern V erify the pilot flame pattern is correct for your gas type If pilot flame pattern is incorrect as shown in Figure 22 your log set is set up for use with a different gas type To correct this you must e tum heater off see To Turn Off Gas To Log Set page 14 calla qualified service person to make the selection for use with the gas type supplied to log set location See pages 8 and 9 Selecting Gas Type Pilot 2 Pilot 1 Figure 20 Correct Pilot Flame Pattern for LP Gas Se lection Only Pilot 1 Operating Note Pilot 1 is
15. 6 or replace burner orifice 2 Replace damaged burner e WwW Replace gas regulator Contact local natural gas or propane LP company OBSERVED PROBLEM Slight smoke or odor during initial operation Log set produces a whistling noise when burner is lit White powder residue form ing within burner box or on adjacent walls or furniture Log set produces a clicking ticking noise just after burner is lit or shut off No yellow flame mostly blue Tall yellow flames soot may be visible Moisture condensation no ticed on windows TROUBLESHOOTING continued POSSIBLE CAUSE l Residues from manufactur ing Not enough air Gas regulator defective Turning control to HT position when burner is cold Air in gas line Air passageways on heater blocked Dirty or partially clogged burner orifice When heated vapors from furniture polish wax car pet cleaners etc turn into white powder residue Metal expanding while heating or contracting while cooling Not enough combustion ventilation air Unit is not set for the cor rect gas type Not enough combustion ventilation air REMEDY l Problem will stop after a few hours of operation Check burner for dirt and debris If found clean burner see Cleaning and Maintenance page 16 Replace gas regulator Turn control knob to LO position and let warm up for a minu
16. B tu Hr used DETERMINING FRESH AIR FLOW Example 63 300 Btu Hr maximum the space can sup FOR APPLIANCE LOCATION port Vl 13 000 Btu Hr actual amount of Btu Hr used Determining if You Have a Confined Thespace inthe above example isaconfined space because or Unconfined Space the actual Btu Hr used is more than the maximum Btu Hr Use this work sheet to determine if you have a confined the space can support Y oumust provide additional fresh or unconfined space air Y our options are as follows Space Includes the room in which you willinstall appli A Rework work sheet add ing the space of an adjoining room ance plus any adjoining rooms with doorless passageways Ifthe extra space provides an unconfined space remove or ventilation grills between the rooms door to adjoining room or add ventilation grills between 1 Determine the volume of the space length x width x rooms See Ventilation Air fom Inside Building page 5 height B Ventroom directly to the outdoors See Ventilation Air Length x Width x Height cu ft volume of space from Outdoo rs page 5 Example Space size 22 ft length x 18 ft width x 8 ft ceiling height 3168 cu ft volume of space C Install a lower Btu Hr appliance if lower Btu Hr size makes room unconfined If the actual Btu Hrused isless than the maximum Btu Hr the space can support the space is an unconfined space Y ou will need no additional fresh air ventilation If additional ve
17. all joints of gas supply piping system Apply noncorrosive leak detection fluid to all joints Bubbles forming show a leak 5 Correct all leaks at once 6 Reconnect appliance and equipment shutoff valve to gas supply Check reconnected fittings for leaks INSTALLATION Continued Test Pressures Equal To or Less Than 1 2 PSIG 3 5 kPa 1 Close equipment shutoff valve see Figure 14 2 Pressurize supply piping system by either opening propane LP supply tank valve for propane LP gas or opening main gas valve located on or near gas meter of 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 Apply noncorrosive leak detection fluid to all joints Bubbles forming show a leak 4 Correct all leaks at once Open Equipment Shutoff Valve Closed Figure 14 Equipment Shutoff Valve PRESSURE TESTING APPLIANCE GAS CONNECTIONS 1 Open equipment shutoff valve see Figure 14 2 For natural gas open main gas valve located on or near gas meter For propane LP gas open propane LP supply tank valve 3 Make sure control knob of fireplace is in the OFF posi tion 4 Check all joints from equipment shutoff valve to gas control valve Apply noncorrosive leak detection fluid to all joints Bubbles forming show a leak 5 Correct all leaks at once 6 Light fireplace see Operating Log Set
18. ance is intended for supplemental heating Use this heater along with your primary heating system Do not install this heater as your primary heat source If you have a central heating system you may run system s circulating blower while using heater This will help circulate the heat throughout the house In the event of a power outage you can use this heater as your primary heat source AX WARNING Aqualified service person must install appliance Follow all local codes WARNING Never install the appliance in a recreational vehicle e where curtains furniture clothing or other flammable objects are less than 36 inches 91 5 cm from the front top or sides of the appliance in a wood burning stove in high traffic areas in windy or drafty areas WARNING Never install in a bedroom or bathroom Any heating product with a Btu Hr rating over 10 000 cannot be used in a bedroom Any heating product with a Btu Hr rating over 6 000 cannot be used in a bathroom CAUTION This appliance creates warm air currents These currents move heat to wall surfaces next to appliance Installing appliance next to vinyl or cloth wall cover ings or operating appliance where impurities such as tobacco smoke aromatic candles cleaning fluids oil or kerosene lamps etc in the air exist may discolor walls IMPORTANT Vent free heaters add moisture to the air Although this is beneficial installing appliance in rooms withou
19. as supply If so the control knob may need to be pressed in for the 30 seconds or more This will allow air to bleed from the gas system e If control knob does not pop out when released contact a qualified service person or gas supplier for repairs With control knob pressed in press and release ignitor button This will light pilot The pilot is at tached to the front burner If needed keep pressing ignitor button until pilot lights Note If pilot does not stay lit refer to Troubleshoot ing pages 17 through 20 Also contact a qualified service person or gas supplier for repairs Until repairs are made light pilot with match To light pilot with match see Manual Lighting Procedure page 14 Keep control knob pressed in for 30 seconds after lighting pilot After 30 seconds release control knob Note If pilot goes out repeat steps 3 through 7 Turn control knob counterclockwise 47 to the desired heating level The burner should light Set control knob to any heating level between HI and LO To leave pilot lit and shut off burners only turn con trol knob clockwise 7 7 N to the PILOT position Ignitor Button Control Knob Figure 17 Control Knob WARNING Always operate manual control heaters at the locked positions Operation between these positions may create a possible health hazard if used in a poorly ventilated room Read owner s manual for complete instructions CAUTION Do not try to
20. ater produces unwanted odors Heater shuts off in use ODS operates Burner shuts off in use burner flame excessive Gas odor even when control knob is in OFF position Gas odor during combustion l Heater burning vapors from paint hair spray glues cleaners chemicals new carpet etc see IMPOR TANT statement above Low fuel supply propane LP gas only Gas leak See Warning statement at top of page Not enough fresh air is available Low line pressure ODS pilot is partially clogged Connected to incorrect gas for gas selection Gas leak See Warning statement at top of page Control valve or gas con trol defective Foreign matter between control valve and burner Gas leak See Warning statement at top of page REMEDY l Open window and ventilate room Stop using odor caus ing products while heater is running Refill supply tank propane LP gas only Locate and correct all leaks see Checking Gas Connec tions page 11 Open window and or door for ventilation Contact local natural or propane LP gas company Clean ODS pilot see Cleaning and Maintenance page 16 Call qualified service tech nicion to correct Locate and correct all leaks see Checking Gas Connec tions page 11 Replace control valve or gas control Contact a qualified service technician to remove for eigh matter Locate and correct
21. attached directly to the burner tube Pilot 2 Pilot 1 Figure 21 Correct Pilot Flame Pattern for Natural Gas Selection Both pilot 1 and Pilot 2 operating Note Pilot 1 will have a much smaller flame than Pilot 2 Thermocouple Pilot Burner Figure 22 Incorrect Pilot Flame Pattern Due To Using Wrong Gas Type The incorrect pilot flames are not touching the flame sensor This will cause the flame sensor to cool When the flame sensor cools the heater will shut down Note The correct flame on the pilot will have a slight curve but flame should be blue and have no yellow or orange color If yellow or orange flame 1s present see Cleaning and Maintenance page 16 BURNER FLAME PATTERN Ah WARNING If yellow tipping occurs your heater could produce increased levels of carbon monoxide NOTICE Do not mistake orange flames for yellow tipping Dirt or other fine particles enter the heater and burn causing brief patches of orange flame Figure 23 shows correct burner flame pattern Figures 24 and 25 show incorrect burner flame patterns T he incorrect burner flame patterns shows sporadic irregular flame tipping The flame should not be dark or have an orange reddish tinge Note When using the appliance for the first time the flame will be orange for approximately one hour until the logs cure If burner flame pattern is incorrect as shown in Figure 24 e tum heater off see To Turn Off Gas To Log Set
22. cting screw over and reinstall it to regulator cap see Figure 5 This will set the pressure selecting screw to the natural gas position Make sure the pressure selecting screw is installed tightly to the regulator cap 6 Replace the regulator cap on the appliance regulator 7 Remove setscrew from selector valve linkage see Figure 6 8 Slightly press selector plate and rotate linkage clock wise y until it stops 9 Reinstall setscrew 10 Mark on rating label natural gas Note Slot in linkage will indicated the type of gas selected Blue color code on linkage decal will indicate correct setting for natural gas 11 Place log set burner assembly inside fireplace or fire box Connect to gas supply and check for leaks See Connecting to Gas Supply page 10 12 Replacelogs onto burner assembly See Log Placement page 12 Pressure Appliance Selecting Regulator Screw Regulator Cap Figure 3 Gas Selection Valve Knob and Regulator Cap Figure 4 Removing Regulator Cap from Pressure Selecting Screw Figure 5 Turning Pressure Selecting Screw Over and Attaching to Regulator Cap Natural Gas Position Natural Gas Setting Selector Valve Plate Linkage ia SW ad YT Tse Q Screw AY P Y Air Shutter Px in Closed MEN N Natural Gas lt A A Position VU And HA Figure 6 Selector Valve Set to Natural Gas Position NG to LP Operation Selection This appliance
23. etting Equipment shutoff valve not fully open Thermocouple connection loose as control valve Pilot flame not touching thermocouple which al lows thermocouple to cool causing pilot flame to go out This problem could be caused by one or both of the following A Low gas supply B Dirty or partially clogged ODS pilot 7 Thermocouple damaged Control valve damaged Burner orifice s is clogged Inlet gas pressure is too low Manifold pressure is too low Burner orifice s clogged Burner orifice s is clogged or damaged 2 Damaged burner e WwW Gas regulator defective Inlet gas pressure is too low REMEDY l Press in control knob fully After ODS pilot lights keep control knob pressed in 30 seconds Press reset button on tem perature switch Fully open equipment shut off valve Hand tighten until snug then tighten 1 4 turn more A Contact local natural or propane LP gas company B Clean ODS pilot see Cleaning and Maintenance page 16 7 Replace pilot assembly Replace control valve Clean burner orifice see Cleaning and Maintenance page 16 or replace burner orifice Contact local natural or propane LP gas company Contact local natural or propane LP gas company Clean burner see Cleaning and Maintenance page 16 or replace burner orifice Clean burner see Cleaning and Maintenance page 1
24. hutoff valve closed Control knob is not in pilot position Control knob not fully pressed in while pressing ignitor button Air in gas lines when installed Depleted gas supply pro pane LP gas ODS pilot is clogged Gas regulator setting is not correct REMEDY l Replace pilot assembly 2 Replace pilot assembly e U Reconnect ignitor cable Free ignitor cable if pinched by any metal or tubing Keep ignitor cable dry Replace ignitor cable Replace piezo ignitor Have a qualified service per son follow the instructions in Converting Gas Type pages 8 and 9 to change gas type Turn on gas supply or open equipment shutoff valve Turn control knob to pilot position Turn to PILOT position Fully press in control knob while pressing ignitor but ton Continue holding down control knob Repeat igni tion operation until air is removed Contact local propane LP gas company Clean ODS pilot see Cleaning and Maintenance page 16 Replace gas regulator 17 18 OBSERVED PROBLEM ODS pilot lights but flame goes out when control knob is released Burner does not light after ODS pilot is lit Delayed ignition of burner Burner backfiring during combustion TROUBLESHOOTING continued POSSIBLE CAUSE l Control knob not fully pressed in Control knob not pressed in long enough Temperature switch re quires res
25. ly This appliancehas an Oxygen Depletion Sensing ODS safety shutoff system The ODS shuts down the fireplace if not enough fresh air is available See Air for Combustion and Ventilation pages 4 through 6 Ifappliance keeps shutting off see Troubleshootin g pages 17 through 20 Do not run appliance e where flammable liquids or vapors are used or stored e under dusty conditions Do not use this appliance to cook food or burn paper or other objects Never place any objects in the heater or on logs Do not use appliance if any part has been exposed to or 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 Turnappliance off and let cool before servicing Only a qualified service person should service and repair appliance Operating appliance above elevations of 4 500 feet could cause pilot outage To prevent performance problems do not use propane LP fuel tanks of less than 100 Ibs capacity Provide adequate clearances around air openings A WARNING Do not attempt to access or change the setting of the fuel selection means Access or adjustment of the fuel selection means must be performed by a qualified se rvice person connecting this appliance to a specified fuel supply at the time of installat ion Change of the selector setting to other than fuel specified at the
26. not try to light any appliance e do not touch any electrical switch do not use any phone in your building e immediately call your gassupplier from a neighbor s phone Follow the gas supplier s instructions e if you cannot reach your gas supplier call the f ire department Thisappliance shall not be installed in a bedroom or bathroom Donot use this appliance as awood burning fireplace Use only the logs provided with the appliance Donotadd extralogsorornaments such as pinecones vermiculite or rock wool U sing these added items can cause sooting and poor combustion Do not add lava rock around base Rockand debris could fall into the control area of heater This appliance is designed to be smokeless If logs ever appearto smoke turn offappliance and call a qualified service person Note During initial operation slight smoking could occur due to log curing and fireplace burning manufacturing residues To prevent the creation of soot follow the instructions in Cleaning and Maintenance section Keep the appliance area clear and free from comb ustible materials gasoline and other flammable vapo rs and liquids Before using furniture polish wax Carpet cleaner or similar products turn heater off Ifheated the vapors from these products may create a white powder resid ue within burner box or on adjacent walls or furniture 13 14 16 17 Thisappliance needs fresh air ventilation to run prop er
27. ntilation to adjoining room is supplied with grillsor openings add the volume of these rooms to the total volume of the space 2 Multiply the space volume by 20to determine the maxi mum Btu Hr the space can support AX WARNING If the area in which the heater may be operated does not meet the required volume for indoor combustion air combustion and ventilation air shallbe provided by one of the methods described inthe NationalFuelGasCode ANSIZ223 1 NFPA54 the International Fuel Gas Code or applicable local codes A volume of space x 20 M aximum Btu Hr the space can support Example 3168 cu ft volume of space x 20 63 360 maximum Btu Hr the space can supp ort 3 Add the Btu Hr of all fuel burning appliances in the space Vent free log set 2 2 22 Btu Hr Gas water heater 2 2 2 Btu Hr Gas furnace ss Btu Hr Vented gasheater 2 Btu Hr Gas fireplace logs ________ _ _ _ lt lt Btu Hr Other gas appliances Btu Hr Total Btu Hr Donotinclude direct vent gas app liances Direct vent draws combustion airfrom the outdoors and vents to the outdoors Example Vent free log set 39 000 Btu Hr Gas water heater lt 40 000 Btu Hr Total 19 000 Btu Hr INSTALLATION AX WARNING Before installing in a solid fuel burning fireplace the chimney flue and firebox must be cleaned of soot creo sote ashes and loose paint by a qualified chimney cleaner NOTICE This appli
28. oles will create soot We recommend that you clean the unit every three months during operation and have heater inspected yearly by a qualified service person We also recommend that you keep the burner tube and pilot assembly clean and free of dust and dirt To clean these parts we recommend using compressed air no greater than 30 PSI Your local computer store hardware store or home center may carry compressed air in a can You can use a vacuum cleaner in the blow position If using compressed air in a can please follow the directions on the can If you don t follow directions on the can you could damage the pilot assembly 1 Shut off the unit including the pilot Allow the unit to cool for at least 30 minutes 2 Inspect burner pilot and primary air inlet holes on injector holder for dust and dirt see Figures 26 and 27 3 Blow air through the ports slots and holes in the burner 4 Check the injector holder located at the end of the burner tube again Remove any large particles of dust dirt lint or pet hair with a soft cloth or vacuum cleaner nozzle 5 Blow air into the primary air holes on the injector holder 6 Incase any large clumps of dust have now been pushed into the burner repeat steps 3 and 4 Clean the pilot assembly also A yellow tip on the pilot flame indicates dust and dirt in the pilot assembly There is a small pilot air inlet hole about two inches from where the pilot flame comes out of the pilot a
29. or into adjoining room see Figure 1 Follow the National Fuel Gas Code ANSIZ223 1 NFPA 54 Sec tion 5 3 Airfor Combustion and Ventilation for required size of ventilation grills or ducts Ventilation Grills Into Adjoining Room Option 1 Ventilation Grills Into Adjoining Room Option 2 L LS Or Remove Door into Adjoining Room Option 3 Figure 1 VentilationAir from Inside Building Ventilation Air From Outdoors Provide extra fresh air by using ventilation grillsor ducts Y ou must provide two permanent openings one within 12 of the ceiling and one within 12 of the floor Connect these items directly to the outdoors or spaces open to the outdoors These spaces include attics and crawl spaces Follow the National Fuel Gas Code ANSIZ223 1 NFPA 54 Section 5 3 Airfor Combustion and Ventilation for required size of ventilation grills or ducts IMPORTANT Donot provide openings for inlet or outlet airinto attic ifattic has athermostat controlled power vent H eated air entering the attic will activate the power vent ES Outlet un Air Outlet a To Attic Inlet J Air Ventilated EI inlet Air EE camisa HE Figure 2 VentilationAir from Outdoors AIR FOR COMBUSTION 4 Compare the maximum Btu H rthe space can supp ort with the actual amount of B tu Hr used AND VENTIL ATION ___ Btu Hr max the space can support continued ___ Btu Hr actual amt of
30. page 13 Check all other internal joints for leaks 7 Turn off fireplace see To Turn Off Gas To Log Set page 14 LOG PLACEMENT Follow the illustrations below to correctly place logs on appliance S A LLI UY ALEA LT IM OR i 06 5 6 y OS gt y gt 4 N ES el An gt j a LIM ON EY 00 Figure 15 Benton Oak 18 Log Placement ie S ALE A _ GAN PR HE A E esa l m A ON ee TRE EN ES m A Gh Figure 16 Melbourne Oak 24 Log Placement 12 OPERATING LOG SET E Make sure equipment shutoff valve is fully open WARNING If you do not follow these instructions exactly afire or explosion may result causing property damage personal 5 injury or loss of life A This appliance has a pilot which must be lighted by hand When lighting the pilot follow these instruc tions exactly B BEFORE LIGHTING smell all around the appli ance area for gas Be sure to smell next to the floor because some gas is heavier than air and will settle on the floor WHAT TO DO IF YOU SMELL GAS e Do not try to light any appliance 6 e Do not touch any electric switch do not use any phone in your building Immediately call your gas supplier from a neigh bor s phone Follow the gas supplier s instruc tions e If you cannot reach your gas supplier call the fire department C Use only your hand to
31. quipment or accessories and repair and servicing of equipment shall be performed only by a qualified agency The term qualified agency means any individual firm corporation or company that either in person or through a representative is engaged in and is responsible for A Installation testing or replacements of gas piping or B Connection installation testing repair or servicing of equipment that is experienced in such work that Is familiar with all precautions required and that has complied with all requirement of the authority having jurisdiction LOCAL CODES Install and use appliance with care Follow all local codes In the absence of local codes use the latest edition of The National Fuel Gas Code ANSIZ223 1 NFPA 54 Available from American National Standards Institute Inc 1430 Broadway New York NY 10018 National Fire Protection Association Inc B atterymarch Park Quincy MA 02269 State of Massachusetts The installation must be made by alicensed plumber or gas fitterin the Commonwealth of 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 freegas products are prohibitedfor bedroom and bathroom installation inthe Commonwealth of Massachusetts AIR FOR COMBUSTION AND VENTILATION WARNING This heater shall not be installed in a room or space unless the required vol
32. r or it s controls can be dangerous AX WARNING Do not use a blower insert heat exchanger insert or other accessory not approved for use with appliance R WARNING Do not allow fans to blow directlyintotheappliance Avoid any drafts that alter burner flame patterns Ceiling fans can create drafts that alter burner flame patterns Altered burner patterns can cause sooting Due to high temperatures the appliance should be located out of traffic and away from furniture and draperies Do not place clothing or other flammable material onor near the appliance Never place any objects on the heater Fireplace front and screen become very hot when running appliance Keep chil dren and adults awayfrom hot surfaces to avoidburns orclothing ignition Logs will remain hot fora time after shutdown Allow surfaces to cool before touching Keep the appliance area clearand free from combustible materials gasoline and other flammable vapors and liquids You must operate this heater with the fireplace screen in place Make sure fireplace screen is in place before runn ing applianance 1 This appliance is only for use with the type of gas indicated on the rating plate This appliance is not convertible for use with other gases Do not place propane LP supply tank s inside any structure Locate propane LP supply tank s outdoors propane LP units only If you smell gas e shut off gas supply e do
33. rnal regulator will reduce incoming gas pressure You must reduce incoming gas pressure to between 11 and 14 inches of water If you do not reduce incoming gas pressure heater regulator damage could occur LOG SET PLACEMENT Place the log set in the center of your fireplace or fire box INSTALLATION Continued SELECTING GAS TYPE This appliance ships from the factory with the gas selection knob set to the LP position for use with propane LP gas This appliance is convertible for use with either propane LP or natural gas AX WARNING Only a qualified installer or service technician can perform gas selec tion and connecting to gas supply LP to NG Operation Selection This appliance can be switched between propane LP and natural gas If installing to a natural gas system the log set must be switched to natural gas use Follow the steps below to select natural gas 1 Carefully remove the logs from the burner assembly 2 Make sure gas is turned off to the unit and disconnect burner assembly from gas line Remove burner assembly from fireplace or firebox 3 Locate the regulator cap on the appliance regulator see Figure 3 Unscrew by hand and remove the cap from the regulator The pressure selecting screw 1s attached to the regulator cap The pressure selecting screw is in the propane LP position 4 Unscrew andremove the pressure selecting screw from the regulator cap see Figure 4 5 Turn pressure sele
34. rts contact our Customer Service Hotline at 800 229 5647 or visit our website at www sureheat com SHM International Corp 1861 West Oak Parkway Marietta GA 30062 RACEZ00160A Rev 2 05 2012
35. shelf All measurements are in inches Side of Firebox Figure 11 Minimum Mantel Clearances for Installation CONNECTING TO GAS SUPPLY AX WARNING This appliance requires a 3 8 NP T National pipe Thread male fitting to connect to the regulator inlet This fitting is not provided AX WARNING A qualified service person mustconnectlog setto gas supply Follow all local codes AX WARNING Never connect natural gas log set to private non utility gas wells This gas is commonly known as wellhead gas IMPORTANT For natural gas check gas line pressure before connecting heater to gas line G as line pressure must be no greater than 10 5 of water If gas line pressure is higher heater regulator damage could occur A CAUTION Never connect propane LP log set directly to the propane LP supply This appliance requires an external regula tor not supplied Install the external regu lator between the appliance and propane LP supply For propane LP gas the installer must supply an external regulator The external regulator will reduce incoming gas pressure Y oumustreduceincoming gas pressureto between 11 and 14 of water If you do not reduce incoming gas pressure heater regulator damage could occur Install the external regulator with the vent pointing down as shown in Figure 12 Pointing the vent down protects it from freezing rain or sleet T External Regulator Propane LP Supply Tank
36. ssembly see Figure 27 With the unit off lightly blow air through the air inlet hole You may blow through a drinking straw if compressed air is not available Injector Holder May Be Brass or Aluminum Depending on Model Burner Tube Primary Air Inlet Holes Shape of Holes May Vary by Model Figure 26 Injector Holder On Outlet Burner Tube Pilot Air Inlet Hole Figure 27 Pilot Inlet Air Hole LOG REMOVAL If you remove logs for cleaning be sure and follow the instructions under Log Placement page 12 to correctly replace logs Be sure and replace any broken logs before operating appliance 16 TROUBLESHOOTING WARNING Turn off log set and let cool before servic ing Only a qualified service person should service and repair appliance CAUTION Never use a wire needle or similar object to clean ODS pilot This can damage ODS pilot unit Note All troubleshooting items are listed in order of operation OBSERVED PROBLEM When ignitor button is pressed in there is no spark at ODS pilot When ignitor button is pressed in there is a spark at ODS Pilot but no ignition POSSIBLE CAUSE l Ignitor electrode positioned wrong Ignitor electrode broken Ignitor electrode not con nected to ignitor cable Ignitor cable pinched or wet Broken ignitor cable Bad piezo ignitor Unit is not set for the cor rect gas type Gas supply turned off or equipment s
37. sted and approved by OMNI Test Laboratories under ANSI Z21 11 2 2011 Unvented Gas Fired Room Heaters This appliance may beinstalled in an aftermarket permanently located manu factured mobile home where not prohib ited by local codes This appliance is only for use with propane or natural gas This appliance is equipped witha simple means to switch between propane and natural gas Field conversion by any other means including the use ofa kitis not permitted Aftermarket completion of sale not for purpose of resale from the manufacturer TABLE OF CONTENTS A 2 Role AE Pee REN 4 E e O EA 4 Product Features ereta 4 Qualified Installation Agency were 4 Air For Combustion and Ventilation wc 4 das e GUO 1 oi q e O OS 7 Operating LOG Set enesesennneensnennsennnnnennnnennnnennen nennen 13 INSPECUNA DUO Seremi ata 15 Cleaning and M aintenanCe cconccccnnnnccinnnninonncnnnnnnoss 16 Trouble NOG ME ae ee 17 SECA LON ii BEFEHL TENIRLINFFEURTE 21 Parts List and Illustrated Parts Breakdown 22 Warranty Information ococccononccinncninnncnonnnos Back Cover IMPORTANT This unit is preset at the factory for propane LP gas For natural gas follow the simplegas selection instructions on pages 8 and 9 SAFETY INFORMATION Ah WARNING This product contains and or generates chemicals known to the state of California to cause cancer or birth defects or other reproductive harm
38. t enough ventilation air may cause mildew to form from too much moisture See Air for Combustion and Ventilation page 4 CHECK GAS TYPE Use the correct gas type natural or propane LP for your appliance If your gas supply is not correct or if you do not know your gas type do not install appliance The appli ance leaves the factory set for propane LP gas If natural gas 1s desired a qualified installer can perform the simple conversion to natural gas by following the instructions on pages 8 and 9 AX CAUTION Two gas line installations at the same time are prohibited The access plate to the simple switching means shall not be opened while the heater is in operation INSTALLATION ITEMS NEEDED Before installing appliance make sure you have the items listed below e external regulator for propane LP unit only supplied by installer e piping check local codes e sealant resistant to propane LP gas equipment shutoff valve e test gauge connection ground joint union e sediment trap optional tee joint pipe wrench e approved flexible gas line with gas connector if allowed by local codes not provided A CSA AGA design certified equipment shutoff valve with 1 8 NPT tap is an acceptable alternative to test gauge connection Purchase the optional CSA AGA design certified equipment shutoff valve from your dealer For propane LP units the installer must supply an external regulator The exte
39. te Operate burners until air is removed from line Have gas line checked by local natural or propane LP gas company Observe minimum installa tion clearances see page 10 Clean burner see Cleaning and Maintenance page 16 or replace burner orifice Turn log set off when using furniture polish wax clean ers or similar products This is normal with most log sets If noise is exces sive contact a qualified service person Refer to Air For Combus tion and Ventilation require ments page 4 Have a qualified service per son follow the instructions in Converting Gas Type pages 8 and 9 to change gas type Refer to Air For Combus tion and Ventilation require ments page 4 19 20 continued dh WARNING If you smell gas e Shut off gas supply e Do not try to light any appliance TROUBLESHOOTING e 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 IMPORTANT Operating appliance where impurities in air exist may create odors Cleaning supplies paint paint remover cigarette smoke cements and glues new carpet or textiles etc create fumes These fumes may mix with combustion air and create odors These odors will disappear over time POSSIBLE CAUSE OBSERVED PROBLEM He
40. time of installation cou Id damage this appliance and render it in operable The installer shall replace the access cover before completing the installation and op erating the appliance UNPACKING 1 Remove the carton and log wrap 2 Remove all protective packaging applied to the product for shipment 3 Check product for any shipping damage If unit is damaged call SHM International at 800 229 5647 for replacement parts before returning to dealer 4 Make sure you were provided 1 Burner assembly 7 logs MVFT24NL 6 logs BVFM18NL 1 bag of decorative lava rock PRODUCT FEATURES SAFETY PILOT Thisheater has a pilot with an Oxygen Depletion Sensing ODS safety shutoff system The ODS pilot is a required feature for vent free room heaters TheODS pilot shuts off the heater if there is not enough fresh air PIEZO IGNITION SYSTEM This heater has a piezo ignitor This system requires no matches batteries or other sources to light heater THERMOSTATIC HEAT CONTROL Model MV FT24N Lhas a thermostat sensing bulb and control valve The thermostat valve will automatically modulate the heat output to maintain a consistent room temperature Thisresults in greater comfort This can also result in lower gas bills UNIVERSAL VENT FREE HEATER Simple switching from propane LP to natural gas by a qualified installing agency QUALIFIED INSTALLATION AGENCY Installation and replacement of gas piping gas utiliza tion e
41. tional Corp corrosion rust or discoloring of any kind useor installation contrary to specifiedinstructions and applicable building codes including heating the product to temperatures above its rated specifications which can Cause considerable warping disassembly including removal of the product from a built in installation damage resulting from accident alteration misuse abuse hostile environments or improper installation repair or alteration acts of God such as fire flood hurricanes and tornadoes gas cylinders propane tanks or other fuel delivery systems including connections to a household fuel supply usage other than single family household use such as commercial or industrial use minor warping or discoloration of parts which is normal and not a defect under this warranty DO NOT RETURN THIS PRODUCT TO THE PLACE OF PURCHASE If the appliance does not operate properly first thoroughly carry out the instructions provided with the unit to ensure that the appliance is installed correctly and check the troubleshooting section in the use and care manual We recommend you return the warranty registration card so that you can be contacted when any questions of Safety arise that could affect you The return of the warranty registration car is not a condition for warranty coverage Because of continuing product improvement these specifications are subject to change without notice If you have other questions or need replacement pa
42. u classify your space and provide adequate ventilation Unusually Tight Construction Theair that leaks around doors and windows may provide enoughfresh airforcombustionand ventilation However in buildings of unusually tight construction you must provide additional fresh air Unusuallytight constructionis definedas construction where a walls and ceilings exposed to the outside atmospherehave a continuous water vapor retarder witha ratingof one perm 6x 10 kg per pa sec m orless with openings gasketed or sealed and b weatherstripping hasbeen added on openable windows and doors and c caulking orsealants are applied to areas such as joints around window and door frames betweensoleplatesand floors betweenwall ceiling joints between wall panels at penetra tions for plumbing electrical and gas lines and at other openings If yourhomemeetsallofthethree criteria above you mustprovideadditionalfreshair See Ventila tionAir From Outdoors page5 If your home does not meet all of the three criteria above proceed to Determining Fresh Air Flow for Appliance Location page 6 VENTILATION AIR Ventilation Air From Inside Building Thisfresh air would come from an adjoining unconfined space When ventilating to an adjoining unconfined space you must provide two permanent openings one within 12 of the ceiling and one within 12 of the floor on the wall connecting the two spaces see Figure 1 Y ou can also remove do
43. ume of indoor combustion air is provided by the method described in the National Fuel Gas Code ANSI Z223 1 NFPA 54 the International Fuel Gas Code or applicable local codes Read the following instructions to insure proper fresh air for this and other fuel burning appliances in your home Today s home sarebuiltmore energy efficient thanever N ew materials increase d insulation and new construction method s help reduce heat loss in homes Home owners weather strip and caulk around windows and doorsto keep the cold air out and the warm air in During heating months home owners want their homes as airtight as possible Whileitisgood to make your home energy efficient your home needs to breathe Fresh air must enter your home All fuel burning appliances need fresh air for proper combus tion and ventilation AIR FOR COMBUSTION AND VENTILATION Continued Exhaust fans fireplaces clothes dryers and fuel burning ap pliances draw air from the house to operate You must provide adequate fresh air for th ese appliances This will ensureproper venting of vented fuel burning appliances PROVIDING ADEQUATE VENTILATION The following are excerpts fromN ational Fuel Gas Code ANSIZ223 1 NFPA 54 Section 5 3 Airfor Combustion and V entilation All spaces in homes fall into one of the following ventilation classifications 1 Unusually Tight Construction 2 Unconfined Space Theinformation on pages 5and 6 will help yo
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