Vanguard Heating VMH26TPB Indoor Fireplace User Manual
Contents
1. Continued VENTILATION AIR Ventilation Air From Inside Building This fresh 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 options 1 and 2 Figure 4 You can also remove door into adjoining room see option 3 Figure 4 Follow the National Fuel Gas Code NFPA 54 ANSI Z223 1 Section 5 3 Air for Combustion and Ventilation for required size of ventilation grills or ducts A WARNING Rework worksheet adding the space of the adjoining unconfined space The combined spaces must have enough fresh air to supply all appliances in both spaces 12 Ventilation Grills Into Adjoining Room Ventilation Option 2 Grills Or into Adjoining Remove Room Door into Option 1 Adjoining Room Option 3 Figure 4 Ventilation Air from Inside Building Shown with Optional Mantel Ei 102886 AIR FOR COMBUSTION AND VENTILATION Continued Ventilation Air From Outdoors Provide extra fresh air by using ventilation grills or ducts You 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 outdoors2. VANGUARD VENT FREE PROPANE LP GAS COMPACT CLASSIC HEARTH FIREPLACE Shown with Optional Cabinet Mantel Hearth Base Accessory 14 000 to 26 000 Btu Hr with Thermostat VMH26TP WARNING If the information in this manual is not fol WARNING Improper installation lowed exactly a fire or explosion may result causing adjustment alteration service or property damage personal injury or loss of life maintenance can cause injury or property damage Refer to this Do not store or use gasoline or other flammable manual for correct installationand vapors and liquids in the vicinity of this or any other operational procedures For as appliance sistance or additional information WHAT TO DO IF YOU SMELL GAS consult a qualified installer ser e Do not try to light any appliance vice agency or the gas supplier Do not touch any electrical switch do not use any phone in your building WARNING This is an unvented Immediately call your gas supplier from a gas fired heater It uses air oxy neighbor s phone Follow the gas supplier s in gen from the room in which it is structions installed Provisions for adequate If you cannot reach your gas supplier call the fire combustion and ventilation air department must be provided Refer to Air for Installation and service must be performed by a quali Combustion and Ventilation sec fied installer service agency or the gas suppl
3. Mantel Shelf Underside of Mantel Shelf All minimum distances are in inches Side of 20 2412 2712 30 ho y top of Firebox Fireplace Ex Distances to Opening Underside of Built in Mantel Figure 11 Minimum Mantel Clearances for Built In Installation If your installation does not meet the above minimum clearances you must e raise the mantel to an acceptable height OR e remove the mantel Continued WR 102886 INSTALLING Continued OPTIONAL MANTEL INSTALLATION Note Refer to instructions provided with the mantel for assembly instructions Refer to instructions below for system installation Refer to instructions on page 5 for firebox assembly Blower accessory should be installed 1fitis being used see Accessories page32 1 Unscrew four brass screws that attach top louver to fireplace Remove louvre from fireplace and set aside 2 Place fireplace on wood base 3 Place mantel around fireplace base assembly 4 Assemble brass trim kit See Assembling Brass Trim page 15 5 Firmly snap brass trim kit on shoulder screws Shoulder screws are located on fireplace cabinet see Figure 12 6 Align brass trim kit for flush fit around opening 7 Use two 3 wood screws provided and attach fireplace base to wooden base see Figure 12 Shoulder gt Screws A RA 2 Hole for 3 3 wood screw 5 I for attaching a fireplace to mantel Hole for 3 wood scr
4. contact DESA International s Technical Service Department at 1 800 323 5190 Btu Variable 14 000 26 000 Type Gas Propane LP Only Ignition Piezo Pressure Regulator Setting 8 W C Inlet Gas Pressure in of water Maximum 14 Minimum 11 Dimensions Inches H x W x D Fireplace including hood and screws 257 s x 26 3 16 x 9 8 Carton 325 8 x 277 16 x 115 8 Weight pounds Fireplace 44 Ibs Shipping 48 lbs For purposes of input adjustment When gas pressure is too low e pilot will not stay lit e burner will have delayed ignition fireplace will not produce specified heat e propane LP gas supply may be low When gas quality is bad e pilot will not stay lit e burner will produce flames and soot fireplace will backfire when lit You may feel your gas pressure is too low or gas quality is bad If so contact your local propane LP gas supplier Note Use only original replacement parts This will protect your warranty coverage for parts replaced under warranty Parts Under Warranty Contact authorized dealers of this product If they can t supply original replacement part s call DESA International s Technical Service Department at 1 800 323 5190 for referral information When calling DESA International have ready e your name e your address model number of your fireplace how fireplace was malfunctioning e type of gas used propane LP or natural gas e purchase date Usually we will ask you to retur
5. in outer casing Route flexible gas supply line through fireplace access holes in outer casing NOTICE Most building codes do not permit concealed gas connections A flexible gas line is provided to allow accessibility from the fireplace The flexible gas supply line connection to the manual shutoff valve 17 102886 CONNECTING TO GAS SUPPLY Continued CHECKING GAS CONNECTIONS 4 Apply pipe joint sealant lightly to male threads of gas connector attached to flexible gas line see Figure 18 Connect flexible gas line to flexible gas line attached to gas regulator of fireplace see Figure 18 5 Check all gas connections for leaks See Checking Gas Connections below 6 Replace branch support back into fireplace Feed flexible gas line into fireplace base area while replacing branch support Make sure the entire flexible gas line 1s in fireplace base area Reattach branch support to fireplace with screws removed in step 3 To Fireplace RU Gas Regulator Gas Connector Flexible Gas Line from Fireplace Gas Regulator Flexible Gas Line from Manual Shutoff Valve Figure 19 Attaching Flexible Gas Lines Together WARNING Test all gas piping and connections 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 liquid soap and water to all joints Bubbles forming show a leak Co
6. on next page 102886 SAFETY A WARNINGS continued IN FORMATION WARNING Any change to this fireplace or its controls can be dangerous 1 This appliance is only for use with the type of gas indicated on the rating plate This Continued appliance is not convertible for use with other gases 2 Do not place propane LP supply tank s inside any structure Locate propane LP supply tank s outdoors 3 If you smell gas e shut off gas supply e do 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 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 4 This fireplace shall not be installed in a bedroom or bathroom 5 Never install the fireplace e in a recreational vehicle e where curtains furniture clothing or other flammable objects are less than 36 inches from the front top or sides of the fireplace e as a fireplace insert e in high traffic areas e in windy or drafty areas 6 Do not use this fireplace as a wood burning fireplace Use only the logs provided with the fireplace 7 Do not add extra logs or ornaments such as pine cones vermiculite or rock wool Using these added items can cause sooting Do not add lava rock around base Rock and debris could fall into the control area of fireplace 8 You must operate this fireplace with the firep
7. smell gas STOP Follow B in the safety information at the top of page 20 If you don t smell gas go to the next step 5 Turn control knob counterclockwise y N to the PILOT position Press in control knob for five 5 seconds see Figure 22 page 20 Note You may be running this fireplace for the first time after hooking up to gas supply If so the control knob may need to be pressed in for 30 seconds This will allow air to bleed from the gas system If control knob does not pop up when released contact a qualified service person or gas supplier for repairs 6 With control knob pressed in push down and release ignitor button This will light pilot The pilot is attached to the front of burner If needed keep pressing ignitor button until pilot lights Note If pilot does not stay lit refer to Troubleshooting pages 25 through 28 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 22 7 Keep control knob pressed in for 30 seconds after lighting pilot After 30 seconds release control knob Ignitor Electrode Thermocouple Pilot Burner Figure 23 Pilot Note If pilot goes out repeat steps 3 through 7 This fireplace has a safety interlock system Wait one 1 minute before lighting pilot again 8 Turn control knob counterclockwise y to desired heating level The main burner shou
8. DETERMINING FRESH AIR FLOW FOR FIREPLACE LOCATION COMBUSTION Determining if You Have a Confined or Unconfined Space Use this worksheet to determine if you have a confined or unconfined space AN D Space Includes the room in which you will install fireplace plus any adjoining rooms VENTI L ATION with doorless passageways or ventilation grills between the rooms Continued 1 Determine the volume of the space length x width x height Length x Width x Height cu ft volume of space Example Space size 20 ft length x 16 ft width x 8 ft ceiling height 2560 cu ft volume of space If additional ventilation to adjoining room is supplied with grills or openings add the volume of these rooms to the total volume of the space 2 Divide the space volume by 50 cubic feet to determine the maximum Btu Hr the space can support volume of space 50 cu ft Maximum Btu Hr the space can support Example 2560 cu ft volume of space 50 cu ft 51 2 or 51 200 maximum Btu Hr the space can support 3 Add the Btu Hr of all fuel burning appliances in the space Vent free fireplace Btu Hr Gas water heater Btu Hr Gas furnace Btu Hr Vented gas heater Btu Hr Gas fireplace logs Btu Hr Other gas appliances Btu Hr Total Btu Hr Example Gas water heater 30 000 Btu Hr Vent free fireplace 26 000 Btu Hr Total 56 000 Btu Hr Do not include direct vent gas appliances Direct vent draws com
9. DURE MS 1 Follow steps 1 through 5 under Lighting Instructions pages 20 and 21 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 102886 INSPECTING BURNER Check pilot flame pattern and burner flame pattern often PILOT FLAME PATTERN Figure 24 shows a correct pilot flame pattern Figure 25 shows an incorrect pilot flame pattern The incorrect pilot flame is not touching the thermocouple This will cause the thermocouple to cool When the thermocouple cools the fireplace will shut down Pilot Burner Thermocouple Pilot Burner Figure 25 Incorrect Pilot Flame Pattern If pilot flame pattern is incorrect as shown in Figure 25 e turn fireplace off see To Turn Off Gas to Appliance page 22 e see Troubleshooting pages 25 through 28 102886 INSPECTING BURNER Continued BURNER FLAME PATTERN Figure 26 shows a correct burner flame pattern Figure 27 shows an incorrect burner flame pattern The incorrect burner flame pattern shows yellow tipping of the flame It also shows the flame higher than one inch above the log Note When using the fireplace the first time the flame will be yellow for approxi mately one hour until the log cures A WARNING If yellow tipping occurs your fireplace could produce increased levels of carbo
10. Gas regulator setting is not correct Turn control knob to Press in control knob Continue holding down Contact local propane Clean ODS pilot see Replace gas regulator open manual shutoff valve PILOT position while in PILOT position control knob Repeat ig niting operation until air is removed LP gas company Cleaning and Mainte nance page 25 or replace ODS pilot assembly ODS pilot lights but flame goes out when control knob is released 1 Control knob not fully pressed in Control knob not pressed in long enough Safety interlock system has been triggered Manual shutoff valve not fully open Thermocouple connec tion loose at control valve Pilot flame not touch ing thermocouple which allows thermo couple to cool causing pilot flame to go out This problem could be caused by one or both of the following A Low gas pressure B Dirty or partially clogged ODS pilot Thermocouple damaged Control valve damaged Press in control knob After ODS pilot lights Wait one minute for Fully open manual Hand tighten until A Contact local pro Replace thermocouple Replace control valve fully keep control knob pressed in 30 seconds safety interlock system to reset Repeat ignition operation shut off valve snug then tighten 1 4 turn more pane LP gas company B Clean ODS pilot see Cleaning and
11. Maintenance page 25 or replace ODS pilot assembly Continued 102886 TROUBLE SHOOTING Continued OBSERVED POSSIBLE PROBLEM CAUSE REMEDY Burner does not light 1 Burner orifice is 1 Clean burner see after ODS pilot is lit clogged Cleaning and Mainte nance page 25 or replace burner orifice 2 Burner orifice diameter 2 Replace burner orifice is too small 3 Inlet gas pressure is 3 Contact local propane too low LP gas company Delayed ignition of 1 Manifold pressure is 1 Contact local propane burner too low LP gas company 2 Burner orifice is 2 Clean burner see clogged Cleaning and Mainte nance page 25 or replace burner orifice Burner backfiring 1 Burner orifice is 1 Clean burner see during combustion clogged or damaged Cleaning and Mainte nance page 25 or replace burner orifice 2 Burner damaged 2 Replace burner pressure 3 Low inlet gas pressure 3 Contact local propane LP gas company 4 Gas regulator defective 4 Replace gas regulator Yellow flame during 1 Not enough air 1 Check burner for dirt burner combustion and debris If found clean burner see Cleaning and Mainte nance page 25 2 Gas regulator defective 2 Replace gas regulator Slight smoke or odor 1 Residues from manu 1 Problem will stop after a during initial operation facturing processes few hours of operation Fireplace produces a 1 Turning control knob 1 Turn control knob to LO whistling no
12. These spaces include attics and crawl spaces IMPORTANT Do not provide openings for inlet or outlet air into attic if attic has a thermostat controlled power vent Heated air entering the attic will activate the power vent a Ventilated Attic Outlet E Al To Attic Inlet Air Ventilated Deal Crawl Space Figure 5 Ventilation Air from Outdoors Shown with Optional Mantel 102886 INSTALLATION NOTICE A qualified service person must install fireplace Follow all local codes CHECK GAS TYPE Use only propane LP gas If your gas supply is not propane LP do not install fireplace Call dealer where you bought fireplace for proper type fireplace INSTALLATION ITEMS Before installing fireplace make sure you have the items listed below external regulator supplied by sealant resistant to e sediment trap installer see page 16 propane LP gas e tee joint e piping check local codes e manual shutoff valve e pipe wrench e ground joint union An A G A design certified manual shutoff valve with 1 8 NPT tap is an acceptable alternative to test gauge connection Purchase the optional A G A design certified manual shutoff valve from your dealer See Accessories page 32 Note If desired purchase a four sided brass trim kit for built in installatio
13. a TESEI en 29 Thlustrated Parts RA ON 30 31 VNU ln cadecesscsedbs E sibbscoladbebscacubest lasatbbcsectbblastblad tateevitestis 32 Warranty Information 0 0 0 ceeceseeeseeeneeeseceseceseceseceaeseseeeaecnseesseeeseeeaee 36 A WARNINGS IMPORTANT Read this owner s manual carefully and completely before trying to assemble operate or service this fireplace Improper use of this fireplace can cause serious injury or death from burns fire explosion electrical shock and carbon monoxide poisoning A DANGER Carbon monoxide poisoning may lead to death Carbon Monoxide Poisoning Early signs of carbon monoxide poisoning resemble the flu with headaches dizziness or nausea If you have these signs the fireplace may not be working properly Get fresh air at once Have fireplace serviced Some people are more affected by carbon monoxide than others These include pregnant women people with heart or lung disease or anemia those under the influence of alcohol and those at high altitudes Propane LP Gas Propane LP gas is odorless An odor making agent is added to propane LP gas The odor helps you detect a propane LP gas leak However the odor added to propane LP gas can fade Propane LP gas may be present even though no odor exists Make certain you read and understand all warnings Keep this manual for reference It is your guide to safe and proper operation of this fireplace Safety Information continues
14. ageways e Use a vacuum cleaner or pressurized air to clean Exterior e Use a soft cloth dampened with a mild soap and water mixture Wipe the cabinet to remove dust A WARNING Turn off and unplug fireplace and let cool before servicing Only a qualified service person should service and repair fireplace A CAUTION Never use a wire needle or similar object to clean ODS pilot This can damage ODS pilot unit OBSERVED PROBLEM POSSIBLE CAUSE REMEDY When ignitor button 1 is pressed there is no spark at ODS pilot Du W Ignitor cable pinched or wet Ignitor electrode not con nected to ignitor cable Broken ignitor cable Bad piezo ignitor Ignitor electrode broken Ignitor electrode posi tioned wrong N NM BB W Free ignitor cable if Reconnect ignitor cable Replace ignitor cable Replace piezo ignitor Replace ignitor Replace ignitor pinched by any metal or tubing Keep ignitor cable dry 102886 TROUBLE SHOOTING Continued OBSERVED POSSIBLE PROBLEM CAUSE REMEDY When ignitor button 1 Gas supply turned off Turn on gas supply or is pressed there is spark at ODS pilot but no ignition or manual shutoff valve closed Control knob not in PILOT position Control knob not pressed in while in PILOT position Air in gas lines when installed Depleted gas supply ODS pilot is clogged
15. ark Quincy MA 02269 PRODUCT Safety Pilot This fireplace has a pilot with an Oxygen Depletion Sensor Shutoff System ODS FE ATU R ES The ODS pilot is a required feature for vent free room fireplaces The ODS pilot shuts off the fireplace if there is not enough fresh air Piezo Ignition System This fireplace has a piezo ignitor This system requires no matches batteries or other sources to light fireplace Thermostatic Heat Control This fireplace has a thermostat sensing bulb and a control valve The thermostat will automatically modulate the heat output to maintain a consistent room temperature This results in greater fireplace comfort This can also result in lower gas bills Remove log box and fireplace from carton The hood is not attached Remove all protective packaging applied to fireplace for shipment Make sure your fireplace includes one hardware packet Check fireplace for any shipping damage If fireplace is damaged promptly inform dealer where you bought fireplace UNPACKING ANS 102886 ASSEMBLY A WARNING Always have branch support and screen in place before operating fireplace This prevents excessivetemperatures on fireplace surfaces ASSEMBLING FIREPLACE Tools Required Phillips screwdriver 5 16 hex wrench and slotted screwdriver Installing Log 1 Remove back log branch and hood from log box Discard protective packaging 2 Remove two shipping screws above scr
16. bustion air from the outdoors and vents to the outdoors 4 Compare the maximum Btu Hr the space can support with the actual amount of Btu Hr used Btu Hr maximum the space can support Btu Hr actual amount of Btu Hr used Example 51 200 Btu Hr maximum the space can support 56 000 Btu Hr actual amount of Btu Hr used The space in the above example is a confined space because the actual Btu Hr used is more than the maximum Btu Hr the space can support You must provide additional fresh air Your options are as follows A Rework worksheet adding the space of an adjoining room If the extra space provides an unconfined space remove door to adjoining room or add ventilation grills between rooms See Ventilation Air From Inside Building page 8 B Vent room directly to the outdoors See Ventilation Air From Outdoors page 9 C Install a lower Btu Hr fireplace if lower Btu Hr size makes room unconfined If the actual Btu Hr used is less than the maximum Btu Hr the space can support the space is an unconfined space You will need no additional fresh air ventilation Continued 102886 AIR FOR A WARNING COMBUSTION If the area in which the heater may be operated is smaller than AND that defined as an unconfined space provide adequate combus tion and ventilation air by one of the methods described in the VENTILATION National Fuel Gas Code ANSI Z223 1 1992 Section 5 3 or appli cable local codes
17. d LIMITED WARRANTY VENT FREE PROPANE LP GAS COMPACT CLASSIC HEARTH FIREPLACE DESA International warrants this product to be free from defects in materials and components for three 3 years and five 5 years on stainless steel burners from the date of first purchase provided that the product has been properly installed operated and maintained in accordance with all applicable instructions To make a claim under this warranty the Bill of Sale or cancelled check must be presented This warranty is extended only to the original retail purchaser This warranty covers the cost of part s required to restore this fireplace to proper operating condition and an allowance for labor when provided by a DESA Authorized Service Center Warranty part s MUST be obtained through authorized dealers of this product and or DESA International who will provide original factory replacement parts Failure to use original factory replacement parts voids this warranty The fireplace MUST be installed by a qualified installer in accordance with all local codes and instructions furnished with the unit This warranty does not apply to parts that are not in original condition because of normal wear and tear or parts that fail or become damaged as a result of misuse accidents lack of proper maintenance or defects caused by improper installation Travel diagnostic cost labor transportation and any and all such other costs related to repairing a defective fireplace will b
18. e the responsibility of the owner TO THE FULL EXTENT ALLOWED BY THE LAW OF THE JURISDICTION THAT GOVERNS THE SALE OF THE PRODUCT THIS EXPRESS WARRANTY EXCLUDES ANY AND ALL OTHER EXPRESSED WARRANTIES AND LIMITS THE DURATION OF ANY AND ALL IMPLIED WARRANTIES INCLUDING WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE TO THREE 3 YEARS ON ALL COMPONENTS AND FIVE 5 YEARS ON STAINLESS STEEL BURNERS FROM THE DATE OF FIRST PURCHASE AND DESA INTERNATIONAL S LIABILITY IS HEREBY LIMITED TO THE PURCHASE PRICE OF THE PRODUCT AND DESA INTERNATIONAL SHALL NOT BE LIABLE FOR ANY OTHER DAMAGES WHATSOEVER INCLUDING INDIRECT INCIDENTAL OR CONSEQUENTIAL DAM AGES Some states do not allow a limitation on how long an implied warranty lasts or an exclusion or limitation of incidental or consequential damages so the above limitation on implied warranties or exclusion or limitation on damages may not apply to you This warranty gives you specific legal rights and you may also have other rights that vary from state to state DESA INTERNATIONAL 2701 Industrial Drive P O Box 90004 Bowling Green KY 42102 9004 For information about this warranty write 102886 01 REV D 06 97
19. een see Figure 2 3 Lift screen up and pull out to remove 4 An optional blower is available See Accessories page 32 Install optional blower now Follow installation instructions provided with blower Gently place back log on burner support see Figure 2 The log should fit flat against top of burner support Place two 10 one inch long screws through burner support into the log and tighten Place branches on branch support see Figure 2 6 Reattach screen by placing the notches in the screen frame over the shoulder screws and pushing down Nn Screen Shipping Screw Support Branch Support Screen Figure 2 Assembling Fireplace A WARNING Failure to position the parts in accordance with these diagrams or failure to use only parts specifically approved with this fireplace may result in property damage or personal injury Assembling Hood 1 Locate four black phillips sheet metal screws from the hardware packet 2 Place hood over top edge of firebox wrapper 3 Attach screws see Figure 3 102886 AIR FOR COMBUSTION AND VENTILATION A WARNING This heater shall not be installed in a confined space unless provisions are provided for adequate combustion and ventilation air Read the following instructions to insure proper fresh air for this and other fuel burning appliances in your home Today s homes are built more energy efficient than e
20. eplace in this manner Height Front Width Depth Bottom Actual Framing Actual Framing Actual Framing Actual Framing 26 2618 26 2 4 26778 91 2 10 1 2 3 4 3 4 1 Frame in rough opening Use dimensions shown in Figure 8 for the rough opening N x 26 7 8 3 4 Off A LI The Floor 26 7 8 gt Minimum Figure 8 Rough Opening for Installing in Wall If installing in a corner use dimensions shown in Figure 9 for the rough opening The height is 26 s which is the same as the wall opening above Figure 9 Rough Opening for Installing in Corner 2 An optional blower accessory is available see Accessories page 32 There are two options for connecting blower to electrical source Option one Have a licensed electrician install a properly grounded three prong 120 volt electrical outlet at fireplace location Locate outlet inside the framed enclosure Blower power cord will plug into this outlet Option two Have a licensed electrician connect blower to electrical source at junction box inside fireplace If using option one have electrical outlet installed at this time If using option two do not connect blower to electrical source at junction box until step 7 3 Install gas piping to fireplace location This installation includes an approved flexible gas line if allowed by local codes after the manual shutof
21. ew Pa for attaching Assembled i fireplace to Brass Trim wooden base Figure 12 Attaching Brass Trim to Fireplace 8 Remove brass trim kit and mantel Be careful not to damage wall or mantel 9 Place wood base next to wall at installation location 10 Attach wood base to floor with two 1 4 black screws provided see Figure 13 If the floor is concrete use anchor method see Attaching Wood Base to Solid Floor page 15 1 3 4 Screw Wood Base Figure 13 Attaching Wood Base to Floor 11 Install gas line See Connecting To Gas Supply pages 16 18 12 Check for leaks See Checking Gas Connections page 18 13 Place mantel around fireplace Be careful not to damage wall or mantel 14 Place brass trim kit on the shoulder screws located on the side and top of the fireplace Firmly snap the brass trim over the shoulder screws on fireplace see Figure 12 15 Adjust assembly to remove any gaps Attach remaining two 3 wood screws from hardware pack through openings inside of fireplace sides into the mantel The openings are located at top behind the area for the brass louvers see Figure 13 16 Reinstall top brass louvers 102886 INSTALLING Continued Assembling Brass Trim Brass trim shipped with mantel 1 Remove packaging from three remaining pieces of brass trim 2 Locate two adjusting plates with set screws and two shims in the hardware packet 3 Align shim under adjusting plate a
22. f valve The flexible gas line must be the last item installed on the gas piping 4 If you have not assembled firebox follow instructions on page 5 5 Carefully set fireplace in front of rough opening with back of fireplace inside wall opening 102886 INSTALLING Continued 6 Attach flexible gas line to fireplace gas regulator See Connecting Fireplace to Gas Supply page 17 7 If the optional blower has been installed connect blower to electrical source Option one Route blower electrical cord through side or rear access door of fireplace Plug electrical cord into electrical outlet Option two Have a licensed electrician connect blower to electrical source at junction box inside fireplace 2 Bend four nailing flanges on outer casing with pliers see Figure 10 9 Attach fireplace to wall studs using nails or wood screws through holes in nailing flange Nails or Wood Screws N Nailing Flanges Figure 10 Attaching Fireplace to Wall Studs 10 Check all gas connections for leaks See Checking Gas Connections page 18 11 If using optional brass trim kit install the trim after final finishing and or painting of wall See instructions included with brass trim accessory for attach ing brass trim Mantel Clearances for Built In Installation If placing mantel above built in fireplace you must meet minimum clearance between mantel shelf and top of fireplace opening
23. ier tion on page 6 of this manual This appliance may be installed in an aftermarket manufactured mobile home where not prohibited by state or local codes Aftermarket Completion of sale not for purpose of resale from the manufacturer I E Installation of this product is permitted after the manufactured mobile home is sited 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 Save this manual for future reference CONTENTS SAFETY INFORMATION SECTION PAGE Safety Information ana Mei Pirates 2 Product Identific tion su rent nennen 4 Tocal Eodes in ar RGR 4 Product Fe atleta 2422ER ER hs ee er 4 NS A ienien nin eee neeo EEE aAA h EES Car ae E OR EERE 4 Assembly n n di ina 5 Air for Combustion and Ventilation oooonnncnnnnccnnncccnnccnoonaconnacnnnccnnnncnnnos 6 Installation iia EN EEE EE EEE RORO EES 10 Connecting to Gas Supply coooconoccnoconoconocononcnnncnananonona cono nonnncnnccnccnnnrnn nennen 16 Checking Gas Connections nuuessersnersneesnernnennnnnnennneennnenennnennse nn conan 18 Operating Fireplace coi ee ea asien 20 Inspecting Burner ea eens 23 Cleaning and Maintenance sosoca irii e i a eiia 25 Troubleshooting eaen Set eee eiii 25 Techmical Service nani asa lili am 29 Specifications un en ai Aa td 29 Service HN u nee es een AA 29 Replacement Parts aises ine E aK Sia rE ra
24. ireplace 17 Do not use fireplace if any part has been under water Immediately call a qualified service technician to inspect the room fireplace and to replace any part of the control system and any gas control which has been under water 18 Turn off and unplug fireplace and let cool before servicing Only a qualified service person should service and repair fireplace 19 Operating fireplace above elevations of 4 500 feet could cause pilot outage 20 Do not use a blower insert heat exchanger insert or other accessory not approved for use with this fireplace 21 Do not operate fireplace if any log is broken Do not operate fireplace if a log is chipped dime sized or larger 22 To prevent performance problems do not use propane fuel tank of less than 100 lbs capacity 102886 PRODUCT IDENTIFICATION Fireplace Cabinet Ss IBA z LZ LLLI ZERO KP RK RI TELLERS oe NO ED RO LL pS SARA z LLI COE A EEE 0 Screen Logs Control Knob Ignitor Button Figure 1 Vent Free Propane LP Gas Compact Fireplace LOC AL CO D E S Install and use fireplace with care Follow all local codes In the absence of local codes use the latest edition of The National Fuel Gas Code ANSI Z223 also known as NFPA 54 Available from American National Standards Institute Inc 1430 Broadway New York NY 10018 National Fire Protection Association Inc Batterymarch P
25. ise when to HI position when position and let warm up burner is lit burner is cold for a minute 2 Air in gas line 2 Operate burner until air is removed from line Have gas line checked by local propane LP gas company 3 Air passageways on 3 Observe minimum fireplace blocked installation clearances see Figures 6 and 7 page 11 4 Dirty or partially 4 Clean burner see Clean clogged burner orifice ing and Maintenance page 25 or replace burner orifice 27 TROUBLE SHOOTING Continued A WARNING If you smell gas Shut off gas supply e 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 IMPORTANT Operating fireplace where impurities in air exist may create odors Clean ing 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 OBSERVED POSSIBLE PROBLEM CAUSE REMEDY Fireplace produces a 1 Metal expanding while 1 This is common with clicking ticking noise just after burner is lit or shut off heating or contracting while cooling most fireplaces If noise is excessive contact qualified service person Fireplace
26. lace screen in place Make sure fireplace screen is in place before running fireplace 9 This fireplace is designed to be smokeless If logs ever appear to smoke turn off fireplace and call a qualified service person Note During initial operation slight smoking could occur due to log curing and fireplace burning manufacturing residues 10 Do not allow fans to blow directly into the fireplace Avoid any drafts that alter burner flame patterns Ceiling fans can create drafts that alter burner flame patterns Altered burner patterns can cause sooting 11 This fireplace needs fresh air ventilation to run properly This fireplace has an oxygen depletion sensor ODS pilot light safety system The ODS shuts down the fireplace if not enough fresh air is available See Air for Combustion and Ventilation pages 6 through 9 If fireplace keeps shutting off see Troubleshooting pages 25 through 28 12 Do not run fireplace e where flammable liquids or vapors are used or stored e under dusty conditions 13 Do not use this fireplace to cook food or burn paper or other objects 14 Never place any objects in the fireplace or on logs 15 Fireplace front and screen becomes very hot when running fireplace Keep children and adults away from hot surfaces to avoid burns or clothing ignition Fireplace will remain hot for a time after shut down Allow surfaces to cool before touching 16 Carefully supervise young children when they are in same room with f
27. ld light Set control knob to any heat level between HI and LO A CAUTION Do not try to adjust heating levels by using the manual shutoff valve 102886 OPERATING FIREPLACE Continued MO To TURN OFF GASTO APPLIANCE MN Shutting Off Fireplace 1 Turn control knob clockwise to the OFF position 2 Turn off all electric power to the appliance if service is to be performed Shutting Off Burner Only pilot stays lit 1 Turn control knob clockwise to the PILOT position MI THERMOSTAT CONTROL OPERATION MB The thermostatic control used on this fireplace differs from standard thermo stats Standard thermostats simply turn on and off the burner The thermostat used on this fireplace senses the room temperature The thermostat adjusts the amount of gas flow to the burner This increases or decreases the burner flame height 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 temperature of air near the fireplace cabinet This may not always agree with room temperature depend ing on housing construction installation location room size open air tempera tures etc Frequent use of your fireplace will let you determine your own comfort levels MB MANUAL LIGHTING PROCE
28. n Check all joints from manual shutoff valve to thermostat gas valve see Figure 20 Apply mixture of liquid soap and water to gas joints Bubbles forming show a leak Correct all leaks at once Light fireplace see Operating Fireplace pages 20 through 22 Check all other internal joints for leaks Turn off fireplace see To Turn Off Gas to Appliance page 22 Replace front panel Manual Shutoff Valve Propane LP Supply Tank anual hutoff 102886 OPERATING MM For Your SAFETY READ BEFORE LIGHTING JN FIREPLACE A WARNING If you do not follow these instructions exactly a fire or explosion may result causing property damage personal injury or loss of life A This appliance has a pilot which must be lighted by hand When lighting the pilot follow these instructions exactly B 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 on the floor WHAT TO DO IF YOU SMELL GAS Do not try to light any appliance Do not touch any electric switch do not use any phone in your building e Immediately call your gas supplier from a neighbor s phone Follow the gas supplier
29. n external regulator not supplied Install the external regulator between the fireplace and propane LP supply The installer must supply an external regulator The external 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 fireplace regulator damage could occur Install external regulator with the vent pointing down as shown in Figure 16 Pointing the vent down protects it from freezing rain or sleet Propane LP Supply Tank External ZG Z Regulator Vent Pointing Down Figure 16 External Regulator with Vent Pointing Down A 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 or greater diameter to allow proper gas volume to fireplace If pipe is too small undue loss of pressure will occur Installation must include a manual 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 fireplace see Figure 17 page 17 Apply pipe joint sealant lightly to male threads This will prevent excess sealant from going into pipe Excess sealant in pipe could result in clogged fireplace valves A CAUTION Use pipe joint sealant that is resistant to liquid petroleum LP gas Install sediment trap in s
30. n monoxide If burner flame pattern shows yellow tipping follow instructions at bottom of this page NOTICE Do not mistake orange flames with yellow tipping Dirt or other fine particles enter the fireplace and burn causing brief patches of orange flame ROTO RER Top of POS OS Fl ame About One Inch Above Logs CORRECT FLAME PATTERN AT HIGH POSITION Figure 26 Correct Burner Flame Pattern POS A WA A dE EAR ES oe Yellow z Tipping Y PS P SER box INCORRECT FLAME PATTERN AT HIGH POSITION Figure 27 Incorrect Burner Flame Pattern If burner flame pattern is incorrect as shown in Figure 27 e turn fireplace off see To Turn Off Gas to Appliance page 22 e see Troubleshooting pages 25 through 28 102886 CLEANING AND MAINTENANCE Note TROUBLE SHOOTING All troubleshooting items are listed in order of operation A WARNING Turn off fireplace and let cool before cleaning A CAUTION You must keep control areas burner and circulating air passage ways of fireplace clean Inspect these areas of fireplace before each use Have fireplace inspected yearly by a qualified service person Fireplace may need more frequent cleaning due to excessive lint from carpeting bedding material etc ODS PILOT AND BURNER e Use a vacuum cleaner pressurized air or small soft bristled brush to clean CABINET Air Pass
31. n the defective part to the factory Parts Not Under Warranty Contact authorized dealers of this product If they can t supply original replacement part s call DESA International s Parts Department at 1 800 972 7879 for referral information When calling DESA International have ready model number of your fireplace e the replacement part number 102886 VMH26TP 102886 PARTS LIST This list contains replaceable parts used in your fireplace When ordering parts follow the instructions listed under Replacement Parts on page 29 of this manual Model VMH26TP KEY VMH26TP NO PART NO DESCRIPTION 102633 01 102624 02 099230 02 098304 01 099126 02 103209 02 102635 01CK 102458 01CK 103209 01 102730 01CJ 102638 01 099059 02 098514 01 098594 01 102460 01CJ 099211 01 103963 01 102834 01 100587 01 098303 02 102634 01CK 102649 01CJ 099415 09 102875 01 101381 01 099387 03 098271 06 098251 03 098250 01 098249 01 098522 15 102639 01 101628 01 102869 01 102731 01 103295 01CJ 103058 01 104058 01 104058 02 102032 01 102807 01 102645 02 102645 01 097809 03 101416 32 101054 01 100563 01 103470 01 Outer Casing Top Outer Casing Shoulder Screw Screw 10 x 3 8 Burner Louvered Door Left and Right Side Front Top and Middle Front Brass Top Louver Firebox Hood Firebox Top ODS Pilot Assembly Thermocouple Ignitor Electrode Fi
32. ns See Accessories page 32 LOCATING FIREPLACE A WARNING Maintain the minimum clearances shown in Figures 6 and 7 page 11 If you can provide greater clearances from floor ceiling and joining wall You can recess firebox into the wall You can also position fireplace in the optional cabinet or corner mantels IMPORTANT Only use optional cabinet or corner mantels specified in this manual Purchase the optional mantel from your dealer see Accessories page 32 A WARNING Never install the fireplace in a bedroom or a bathroom in a recreational vehicle where curtains furniture clothing or other flammable objects are less than 36 inches from the front top or sides of the fireplace as a fireplace insert e in high traffic areas in windy or drafty areas A CAUTION This fireplace creates warm air currents These currents move heat to wall surfaces next to fireplace Installing fireplace next to vinyl or cloth wall coverings or operating fireplace where impurities in the air such as tobacco smoke exist may discolor walls IMPORTANT Vent free fireplaces add moisture to the air Although this is beneficial installing fireplace in rooms without enough ventilation air may cause mildew to form from too much moisture See Air for Combustion and Ventilation pages 6 through 9 102886 INSTALLATION Continued A CAUTION If you install the fire
33. place in a home garage fireplace pilot and burner must be at least 18 inches above floor locate fireplace where moving vehicle will not hit it For convenience and efficiency install fireplace e where there is easy access for operation inspection and service in coldest part of room An optional blower kit is available from your dealer See Accessories page 32 If planning to use blower locate fireplace near an electrical outlet CEILING 36 Minimum Right Side FLOOR Figure 6 Mounting Clearances As Viewed From Front of Fireplace Shown Built In The Wall CEILING 36 Minimum Top Of Mantel Can Be Flush With Wall Right Side Figure 7 Mounting Clearances As Viewed From Front of Fireplace Shown with Optional Mantel 102886 INSTALLING Continued BUILT IN FIREPLACE INSTALLATION Built in installation of this fireplace involves installing fireplace into a framed in enclosure This makes the front of fireplace flush with wall An optional brass trim kit accessory is available see Accessories page 32 Brass trim will extend past sides of fireplace approximately 2 inch This will cover the rough edges of the wall opening If installing a built in mantel above the fireplace but you must follow the clearances shown in Figure 11 page 13 Follow the instructions below to install the fir
34. produces 1 Fireplace burning vapors Ventilate room Stop unwanted odors from paint hair spray using odor causing glues etc See IMPOR products while fire TANT statement above place is running 2 Low fuel supply Refill supply tank 3 Gas leak See Warn Locate and correct all ing statement at top leaks see Checking Gas of page Connections page 18 Fireplace shuts off in 1 Not enough fresh air is Open window and or use ODS operates available door for ventilation 2 Low line pressure Contact local propane LP gas company 3 ODS pilot is partially Clean ODS pilot see clogged Cleaning and Mainte nance page 25 Gas odor even when 1 Gas leak See Warn Locate and correct all control knob is in ing statement at top leaks see Checking Gas OFF position of page Connections page 18 2 Control valve defective Replace control valve Gas odor during 1 Foreign matter between Take apart gas tubing combustion control valve and and remove foreign burner matter 2 Gas leak See Warn Locate and correct all ing statement at top leaks see Checking Gas of page Connections page 18 Moisture condensa 1 Not enough combus Refer to Air for Combus tion noticed on tion ventilation air tion and Ventilation re windows quirements page 6 102886 TECHNICAL SERVICE SPECIFICATIONS SERVICE HINTS REPLACEMENT PARTS You may have further questions about installation operation or troubleshooting If so
35. rebox Wrapper Control Bracket Screw Inlet Tube Burner Tube Brass Screw 6 x 3 8 Regulator Screw Outer Shell Base Twig Support Gas Regulator Regulator Bracket Valve Cover and Piezo Pilot Tube Ignitor Cable Injector Injector Holder Nut M5 Gas Valve Baffle Flexible Connector Control Bracket Control Shield Screen Assembly Log Set Assembly Twig Service Kit Back Log Service Kit Hinge Hinge Screws Burner Support Right Burner Support Left 3 8 NPT x 3 8 Flare Brass Fitting Video Lighting Instructions Plate Warning Plate Hardware Package 102886 ACCESSORIES Purchase these fireplace accessories from your local dealer If they cannot supply these accessories call DESA International s Sales Department at 1 800 458 2472 for referral information You can also write to the address listed on the back page of this manual MANUAL SHUTOFF VALVE GA5010 Manual shutoff valve with 1 8 NPT BRASS TRIM KIT GA6095 Optional four sided brass trim kit for built in installations Provides a finished appearance covering rough edges of wall opening THERMOSTATICALLY CONTROLLED BLOWER KIT GA3400T TR Provides better heat distribution Blower turns off and on automatically as needed Complete installation and operating instructions included CABINET MANTEL WITH BUILT IN HEARTH BASE Unfinished GM921U Finished GM920F For u
36. rrect all leaks at once A CAUTION Make sure external regulator has been installed between propane LP supply and fireplace See guidelines under Connecting to Gas Supply page 16 PRESSURE TESTING GAS SUPPLY PIPING SYSTEM Test Pressures In Excess Of 1 2 PSIG 1 Disconnect fireplace and its individual manual shutoff valve from gas supply piping system Pressures in excess of 1 2 psig will damage fireplace regulator 2 Cap off open end of gas pipe where manual shutoff valve was connected 3 Pressurize supply piping system by either using compressed air or opening propane LP supply tank valve 4 Check all joints of gas supply piping system Apply mixture of liquid soap and water to gas joints Bubbles forming show a leak 5 Correct all leaks at once 102886 CHECKING GAS CONNECTIONS Continued Test Pressures Equal To or Less Than 1 2 PSIG 1 2 4 Close manual shutoff valve see Figure 20 Pressurize supply piping system by either using compressed air or opening propane LP supply tank valve Check all joints from propane LP supply tank to manual shutoff valve see Figure 21 Apply mixture of liquid soap and water to gas joints Bubbles forming show a leak Correct all leaks at once PRESSURE TESTING FIREPLACE GAS CONNECTIONS E E Open manual shutoff valve see Figure 20 Open propane LP supply tank valve Make sure control knob of fireplace is in the OFF positio
37. s instructions If you cannot reach your gas supplier call the fire department C 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 don t try to repair it call a qualified service technician or gas supplier 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 technician to inspect the appliance and to replace any part of the control system and any gas control which has been under water MO LicHTiNG INSTRUCTIONS IMAN WARNING You must operate this fireplace with the fireplace screen in place Make sure fireplace screen is installed before running fireplace NOTICE During initial operation of new fireplace burning logs will give off a paper burning smell Orange flame will also be present Open window to vent smell Operate fireplace on HI position to burn off odor This will only last a few hours 1 STOP Read the safety information above 2 Make sure manual shutoff valve is fully open 3 Turn control knob clockwise N to the OFF position Control Knob Ignitor Button a E Figure 22 Control Knob In The OFF Position Continued 102886 OPERATING FIREPLACE Continued 4 Wait five 5 minutes to clear out any gas Then smell for gas including near the floor If you
38. s shown in Figure 14 4 Slide one end of adjusting plate shim in slot on mitered edge of top brass trim see Figure 14 5 Slide other end of adjusting plate shim in slot on mitered edge of side brass trim see Figure 14 6 While firmly holding edges of brass trim together tighten both set screws on the adjusting plate with slotted screwdriver 7 Repeat steps 1 through 6 for other corner 8 Set Brass Assembly aside for later installation _ Top Brass Trim Set Screws Slot Adjusting Plate Mitered Edge Side Brass Trim Figure 14 Assembling Brass Trim Attaching Wood Base to Solid Floor For attaching base to solid floors concrete or masonry Note Floor anchors and mounting screws are in hardware package The hardware package is provided with fireplace 1 Drill holes at marked locations using 5 16 drill bit For solid floors concrete or masonry drill at least 1 deep 2 Fold floor anchor as shown in Figure 15 Y Figure 15 Folding Anchor 3 Insert floor anchor wings first into hole Tap anchor flush to floor 4 Insert mounting screws through base and into floor anchors 5 Tighten screws until base is firmly fastened to floor 102886 CONNECTING TO GAS SUPPLY NOTICE A qualified service person must connect fireplace to gas supply Follow all local codes A CAUTION Never connect fireplace directly to the propane LP supply This fireplace requires a
39. se with fireplace A hardwood mantel and hearth base offers compact styling and completes the fireplace look Available in a walnut finished or an unfinished hardwood ready to stain or paint Complete assembly instructions included Three sided brass trim kit included CORNER MANTEL WITH BUILT IN HEARTH BASE Unfinished GM721U Finished GM720F For use with fireplace Space saving mantel and hearth base corner design features clean classic lines Available in a walnut finish or an unfinished hardwood ready to stain or paint Complete assembly instructions in cluded Three sided brass trim kit included 102886 NOTES 102886 NOTES 102886 NOTES 102886 WARRANTY INFORMATION KEEP THIS WARRANTY Model Serial No Date Purchased Always specify model and serial numbers when communicating with the factory We reserve the right to amend these specifications at any time without notice The only warranty applicable is our standard written warranty We make no other warranty expressed or implie
40. tside atmosphere have a continu ous water vapor retarder with a rating of one perm 10 per pa m or less with openings gasketed or sealed and b weather stripping has been added on openable windows and doors and c caulking or sealants are applied to areas such as joints around window and door frames between sole plates and floors between wall ceiling joints between wall panels at penetrations for plumbing electrical and gas lines and at other openings If your home meets all of the three criteria above you must provide addi tional fresh air See Ventilation Air From Outdoors page 9 If your home does not meet all of the three criteria above proceed to page 7 Confined and Unconfined Space The National Fuel Gas Code ANSIZ223 1 1992 Section 5 3 defines a confined space as a space whose volume is less than 50 cubic feet per 1 000 Btu per hour 4 8 m per kw of the aggregate input rating of all appliances installed in that space and an unconfining space as a space whose volume is not less than 50 cubic feet per 1 000 Btu per hour 4 8 m 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 consid ered a part of the unconfined space Adjoining rooms are communicating only if there are doorless passageways or ventilation grills between them 102886 AIR FOR
41. upply line as shown in Figure 17 page 17 Locate sedi ment trap where it is within reach for cleaning Locate sediment trap where trapped matter is not likely to freeze A sediment trap traps moisture and contaminants This keeps them from going into fireplace controls If sediment trap is not installed or is installed wrong fireplace may not run properly 102886 CONNECTING TO GAS SUPPLY Continued A G A Design Certified Manual Shutoff Valve With 1 8 NPT Tap Approved Flexible Gas Line From External Regulator 11 W C to 14 W C Pressure o Sediment Tee Joint Trap Pipe Nipple 3 Minimum y Figure 17 Gas Connection P Purchase the optional A G A design certified manual shutoff valve from your dealer See Accessories page 32 CONNECTING FIREPLACE TO GAS SUPPLY Installation Items Needed e Phillips screwdriver e sealant resistant to propane gas not provided 1 Remove fireplace screen Remove two screws that hold fireplace screen in place for shipping These screws are located near top of screen Discard screws Lift fireplace screen up and pull out to remove 2 Remove screws that attach branch support to fireplace see Figure 18 Care fully lift up branch support and remove from fireplace see Figure 18 Figure 18 Removing Twig Support From Fireplace 3 Route flexible gas line from manual shutoff valve into fireplace through side or rear access holes
42. ver New materials increased insulation and new construction methods help reduce heat loss in homes Home owners weather strip and caulk around windows and doors to keep the cold air out and the warm air in During heating months home owners want their homes as airtight as possible While it is good 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 combustion and ventilation Exhaust fans fireplaces clothes dryers and fuel burning appliances draw air from the house to operate You must provide adequate fresh air for these appliances This will insure proper venting of vented fuel burning appliances PROVIDING ADEQUATE VENTILATION The following is excerpts from National Fuel Gas Code NFPA 54 ANSI Z223 1 Section 5 3 Air for Combustion and Ventilation All spaces in homes fall into one of the three following ventilation classifications 1 Unusually Tight Construction 2 Unconfined Space 3 Confined Space The information on pages 6 through 9 will help you classify your space and provide adequate ventilation Unusually Tight Construction The air that leaks around doors and windows may provide enough fresh air for combustion and ventilation However in buildings of unusually tight construction you must provide additional fresh air Unusually tight construction is defined as construction where a walls and ceilings exposed to the ou
Download Pdf Manuals
Related Search