Superior VF5000-CMN-2 User's Manual
Contents
1. page 5 Framing Dimensions page 6 Electrical Wiring Optional Blower page 7 Gas Pressure Check page 7 Finished Wall Details page 8 Installation Surround page 8 Connecting Gas Line page 9 Log 0 page 9 Flame Appearance page 9 Optional Equipment page 10 Forced Air page 10 Cleaning and Servicing page 12 Accessories Components page 12 Appliance Specifications page 14 Troubleshooting Guide page 15 Operating Instructions page 16 Replacement Parts List page 18 Replacement Parts page 19 GENERAL INFORMATION The VF5000 and VF6000 Series Unvented Room Heaters covered in this manual feature ceramic fibersplitlogs which glow realistically when the heater is operating These heaters are manually controlled Asparkignition system piezo allows the heater pilot gas to be lit without the use of matches or batteries and permits operation of the heater during a power outage These heaters are fitted with a specially de signed pilot ODS which responds to the amount of oxygen available in the room and shuts the heater off before the oxy2. TO TURN OFF GAS TO APPLIANCE 1 Turn remote wall switch OFF The pilot will remain lit for 4 Depress gas control knob slightly and turn clockwise normal service to OFF Do not force 2 For complete shutdown turn remote wall switch to OFF 5 Close the side louver 3 Access the left side louver NOTES REPLACEMENT PARTS LIST VF5000 CMN VF6000 CMN VF5000 CMP VF6000 CMP Description Part No Qty Part No SIT Valve Millivolt Natural H4173 1 H4173 Honeywell Valve Millivolt Natural 24M13 1 24M13 SIT Valve Millivolt Propane LPG H4278 1 H4278 Honeywell Valve Millivolt Propane LPG 67L02 1 67L02 Injector Burner Natural H4115 2 H4147 Injector Burner Propane LPG H4116 2 H4117 Pilot Natural H4113 1 H4113 Pilot Propane LPG H4170 1 H4170 Regulator Natural 903218 1 903218 Regulator Propane LPG 112081 1 112081 Front Burner H4107 1 H4108 Rear Burner Natural H6430 1 H4109 Rear Burner Propane LPG H6430 1 H4109 Crossover Burner H4110 1 H4110 Injector Crossover Burner Natural H4118 1 H4118 Injector Crossover Burner Propane LPG H4119 1 H4119 Piezo 10K86 1 10K86 Piezo Wire H4868 1 H4868 Log Set H2322 1 H2323 Bar Louver Black H6473 3 H6409 Bar Louver Black H6407 1 H6408 Replacement Screen H4178 2 H4179 Two Piece Screen Panel W Rod 121645 1 121646 Hood Black H6412 1 H6414
3. 42 3 8 1076 E NI 191 2 ET 495 Ee 1041 Fan AL VF6000 Figure 9 The header may be in direct contact with the top metal spacers but must not rest on them or be notched to fit around them NOTE DIAGRAMS amp ILLUSTRATION NOT TO SCALE INSTALLATION STEPS Built In Systems WARNING DO NOT ALLOW FANS TO BLOW DIRECTLY INTO THE FIREPLACE AVOID ANY DRAFTS THAT ALTER BURNER FLAME PATTERNS WARNING DO NOT USE A BLOWER IN SERT HEAT EXCHANGER INSERT OR OTHER ACCESSORY NOT APPROVED FOR USE WITH THIS HEATER Do not burn solid fuels in this listed unvented gas room heater Step 1 Frame VF5000 appliance enclosures as illustrated in Figures 4 5 and 6 Frame VF6000 appliance enclousures as illustrated in Figures 7 8and 9 forsurround installations proceed to Step 8 Note The framed depth 15 1 2 for a flat wall 29 1 4 for a corner VF5000 and 22 5 8 and 36 3 8 for a VF6000 must always be mea sured from a finished surface If a wall covering suchas drywallis to be attached to the rear wall then the dimension must be measured from the drywall surface Step 2 Route a 1 2 13 mm gas line along the left or right side framing Figure 10 3 VF6000 11 76 lt 279 VF5000 7 1 2 191 mm Figure 10 All appliances have a 3 long 3 8 NPT nipple installed at the valve To quickly and easily complete the gas line routing use the gas flex line ki
4. Junction Box Refer to Figures 2 and 3 Blower Wiring Diagram Receptacle If you live in a cold climate seal all cracks around your appliance with noncombustible material and wherever cold air could enter the room It is especially important to insulate outside chase cavity between studs and under floor on which appliance rests if floor is above Supply S wl i ground level X Blower 3 2 Mee Outlet Ground Wire Connection 120 Vac Proceed to Step 12 som Bipolar Terminal Surround Installations Screw Supply Note VF5000 VF6000 series appliances must be installed giving full consideration to the clearance and height requirements identi fied in this manual Mating Connectors Red Wire Figure 15 Note Supply wires may be alternatively connected to the outlet using the screw terminals however the black supply wire must be ganged wired to the same terminal that the pre wired black wire is attached to and the white supply wire must be connected to the opposite side of the outlet Figure 16 NOTE DIAGRAMS amp ILLUSTRATION NOT TO SCALE Step 8 Position Heater Place the heater in desired location It may be helpful to tempo rarily assemble the surround around the appli ance to properly locate the unit Refer to Figure 16 for floor and platform installations If the heater is to be installed into a framed wall refer to the built in assembly steps begi
5. Gas Line Opening Left Side Only Opening 3 1 2 Y 76 mm 89 mm Y g 19 1 2 495 mm Left Side View Right Side View Opposite 28 1 2 i 724 mm gt A 40 1016 mm gt Top View Figure 25 NOTE DIAGRAMS amp ILLUSTRATION NOT TO SCALE TROUBLESHOOTING GUIDE FOR UNVENTED GAS PRODUCTS OBSERVED PROBLEM POSSIBLE CAUSE REMEDY 1 When igniter button is A Igniter electrode positioned wrong Replace igniter pressed there is no spark at ODS pilot B Igniter electrode broken Replace igniter C Igniter electrode not connected to igniter cable Reconnect igniter cable D Igniter cable pinched or wet Free igniter cable if pinched by any metal or tubing Keep igniter cable dry E Piezo igniter nut is loose Tighten nut F Broken igniter cable Replace igniter cable G Bad piezo igniter Replace piezo igniter Heater produces unwanted A Heater burning vapors from paint hair spray glues etc Ventilate room Stop using odor causing products while fireplace is running odors B Gas leak See Warning statement on the front page Locate and correct all leaks Heater shuts off in use A Not enough fresh air is available Open window and or door for ventilation ODS operates B Low line pressure Contact local gas company C ODS pilot is partially clogged Clean ODS pilot Gas odor even when control A Gas leak See Warning statement on the front page Loca
6. Lower Control EE Compartment Door 27 Figure 12 Secure all joints tightly using appropriate tools and sealing compounds ensure pro pane resistant compounds are used in pro pane applications Turn on gas supply and test for gas leaks using a gas leak test solution also referred to as bubble leak solution Note Using a soapy water solution 50 dish soap 50 water is an effective leak test solution but it is not recommended because the soap residue that is left on the pipes fittings can resultin corrosion overtime Never use an open flame to check for leaks A Light the appliance refer to safety and lighting instructions on pages 18 and 19 See Note NOTE DIAGRAMS amp ILLUSTRATION NOT TO SCALE B Brush all joints and connections with the gas leak test solution to check for leaks If bubbles are formed or gas odor is detected turn the gas control knob to the OFF posi tion Either tighten or refasten the leaking connection and retest as described above C When the gas lines are tested and leak free be sure to rinse off the leak testing solution D When the gas lines are tested and leak free observe the individual tongues of flame on the burner Make sure all ports are open and producing flame evenly across the burner If any ports are blocked or partially blocked clean out the ports An external regulator must be used on all pro pane L P G heaters in addition to the regula tor
7. nicating directly with an additional room s of sufficient volume so that the combined volume of all connected spaces meets the criteria for an unconfined space National Fuel Gas Code ANSI 7223 1 latest edition Section 5 3 Generally 50 ft per 1 000 BTU input of all operating appliances in the space The National Fuel Gas Code defines a con fined space as a space whose volume is less than 50 ft per 1 000 BTU Hr 4 8 m per kw of the aggregate input rating of all appliances installed in that space and an unconfined space as a space whose volume is not less than 50 ft per 1 000 BTU Hr 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 con sidered a part of the unconfined space Unusually tight construction is defined as con struction where a wall and ceilings exposed to the outside atmosphere have a continuous water vapor retarder with a rating or one perm or less with Openings gasketed or sealed and b weather stripping has been added on oper able windows and doors and caulking or sealants are applied to areas suchas joints around window and door frames between sole plates and floors between wall ceiling joints between wall panels at penetra tions for plumbing electrical and gas lines and at other openings Use the following equa
8. Dem of Appliance 2 Top of Door Frame Yo Y cy r VF Series Figure 2 A hearth extension is not required with this appliance If a hearth extension is used do not block the lower control compartment door Any hearth extensions used is for appearance only and does not have to conform to standard hearth extension installation requirements Note Combustible wall finish materials and or surround materials must not be allowed to encroach the area defined by the appliance front face black sheet metal Never allow combustible materials to be positioned in front of or overlapping the appliance front face 6 Clearance to Combustible Side Wall al 37 1 2 Min to Ceilin 1 953 mm Max Projection See Fig 2 Combustible Mantel See Fig 2 Figure 3 PREINSTALLATION Check that all listed parts have been received Carefully inspect the heater case and contents for shipping damage and immediately inform the dealer from whom you purchased the gas fireplace if any damage is found The appliance is shipped with all gas controls and components installed and pre wired Re move the shipping carton exposing the op tional if installed front glass door frame NOTE DIAGRAMS amp ILLUSTRATION NOT TO SCALE Remove wood slats and remove and discard the wood slat mount brackets Loosen and remove the three 3 1 4 20 x 1 Phillips pan head screws at the three 3 tabs located along the door frame t
9. REPLACEMENT PARTS NOTE DIAGRAMS amp ILLUSTRATION NOT TO SCALE LHP reserves the right to make changes at any time without notice in design materials specifications and prices and also to discontinue colors styles and products Consult your local distributor for fireplace code information Printed in U S A 1997 by Lennox Hearth Products 5108 Elm Hill Pike Suite 108 P N 903302 REV N 04 2010 Nashville TN 37210
10. desired location freestanding onto surround base or into pre pared framing and secure Step 2 Plumb gas line Gas connections should only be performed by an experienced licensed certified tradesman Step 3 Assemble logs and test flame appear ance Step 4 Complete finish wall material surround and optional hearth extension to your individual taste Note Framing dimensions in Figures 4 9 are calculated for a nailing flange depth of 2 13 mm Back Wall of Chase Enclosure Including Finishing Materials If Any Outside Wall Back Wall of Chase Enclosure Including Finishing Materials If Any Outside Wall X x Fly i 15 1 2 394mm 37 040mm gt VF5000 Figure 4 Back Wall of Chase Enclosure Including Finishing Materials If e 9 22 NS 13 E i 2 343mm 41 1041mm L 24 ee ares 37 940mm 58 1473mm VF5000 Figure 5 37 1 4 946 mm J gt 894 mm E 22 940 mm 2 VF5000 Figure 6 2 y 191 2 495mm at 1041mm VF6000 Figure 7 Back Wall of Chase Enclosure Finishing Material s If Any 33 7 8 860mm 41 1041mm gt 67 3 4 1721mm VF6000 Figure 8 1
11. piping system while performing any tests of the gas supply piping system at pressures in excess of 1 2 psig The heater must be isolated from the gas supply piping system by closing its individual manual shut off valve during any pressure testing of the gas supply piping system at test pressures equal to or less than 1 2 psig e Any safety screen or guard removed for servicing the heater must be replaced prior to operating the heater Keep heater area clear and free from com bustible materials gasoline and other flam mable vapors and liquids Do not use these appliances if any part has been under water Immediately call a qualified professional service technician to inspect the appliance and to replace any parts of the control system and any gas control which have been under water Test gage connections are provided on the front of the gas control valve identified A for the manifold side and E for inlet pressure e Inputratings are shown in BTU per hour and are for elevations up to 7 000 feet Operating heater above elevations of 7 000 feet may cause ODS pilot outage e Ensure that the heater is clean when operat ing Excessive dust accumulation on the burner and logs will increase the amount of carbon monoxide formation and could lead to carbon monoxide poisoning and death CODES Adhere to all local codes or in their absence the latest edition of The National Fuel Gas Code ANSI Z223 1 or NFPA54 which can be
12. the VF5000 and VF6000 series heaters in a sleeping room or bathroom e Never obstruct the front opening of the heater or restrict the flow of combustion and ventilation air e This appliance may be installed in an after market manufactured Mobile Home where not prohibited by state or local codes Aftermarket Completion of sale not for pur pose of resale from the manufacturer e Minimize modifications to existing construc tion Referto Figure 7 for location suggestions Figure 1 To ensure even heat distribution it is best to position the heater centrally against the long est wall of the room Make sure there is ad equate ventilation where the heater is installed The gas appliance will shut off if the oxygen level falls below 18 0 These appliances are uniquely suited for in stallations requiring a utility shelf positioned directly above the fireplace Utility shelves like these are commonly used for locating televi sion sets and decorative plants To provide for the lowest possible shelf sur face combustible materials used to support a utility shelf directly above these appliances should be positioned just above the appliance top spacers The minimum height from the base of the VF5000 to the underside of com bustible materials used to construct a utility shelf is 34 1 2 876 mm The minimum height from the base of the VF6000 to the underside of combustible materials used to construct a utility shelf is
13. to the next step Turn remote wall switch to OFF Push gas control knob slightly and turn counterclockwise to PILOT Verify main line shut off valve is open Push in control knob all the way and hold in Immediately Push in gas knob slightly turn clockwise light the pilot by triggering the spark ignitor pushing red to button until pilot lights Continue to hold the control knob in for about 1 Y minutes after the pilot is lit Release knob and Gas Control Knob Flame Adjustment Knob it will pop back up Pilot should remain lit If it goes out repeat steps 5 through 8 Thermopile e f knob does not pop up when released stop and immediately call your 9 92 21 ago service technician or gas Piezo Ignitor supplier Ignitor If pilot will not stay lit after several tries turn the control knob to OFF and call your service technician or gas supplier Honeywell Millivolt Valve o QRO 55 9 Turn gas control knob counterclockwise AX to ON Gas Control Knob Spark Ignitor 10 Close the side louver Note Knob cannot be turned from PILOT to OFF unless the knob is pushed in slightly Do not force Note If the gas valve is turned directly from the ON to OFF position the valve will latch in the OFF position for 60 seconds
14. unit Follow the pilot lighting instructions on page 16 Note Instructions are also found on the pull out panel located on the bottom surface of the appliance When first lighting the appliance it will take a few minutes for the line to purge itself of air Once purging is complete the pilot and burner will light and operate as indicated the instruc tion manual Subsequent lightings of the appli ance will not require such purging Inspect the pilot flame remove logs if necessary handling carefully The pilot flame should be steady not lifting or floating Flame should be blue in color with traces of orange at the outer edge The top 3 8 10 mm at the pilot generator thermopile should be engulfed in the pilot flame NG only Replace logs if removed for pilot inspection To light the burner turn ON the optional remote wall switch if installed and rotate the gas valve control knob counterclockwise to the ON position Step 15 Installing the Optional Screen As sembly Retrieve the screen door frame Po sition the door frame in front of the firebox opening in the brackets at the base of the fireplace front opening Lean the door frame back towards the fireplace ensuring that the frame seats evenly as it draws shut Installing the Optional Glass Door Position the door frame in front of the firebox opening with the joint in the gasket down Locate the three 3 tabs at the bottom edge of th
15. 39 1 2 1003 mm The appliance should be mounted on a fully supported base extending the full width and depth of the unit The appliance may be located on or near conventional construction materi als However if installed on combustible mate rials such as carpeting vinyl tile etc a metal or wood barrier covering the entire bottom surface must be used If the appliance is to be elevated above floor level a solid continuous platform must be constructed WARNING CLEARANCES MAINTAIN MINIMUM Do not install in the vicinity of gasoline or other flammable liquids The heater must be kept clear and free from these combustible materials and may not be located near where they are stored Clearances WARNING DO NOT INSTALL VF SE RIES UNVENTED ROOM HEATERS IN SLEEPING QUARTERS OR IN RECRE ATIONAL VEHICLES WARNING DO NOT INSTALL THE VF UNVENTED ROOM HEATER e WHERE CURTAINS FURNITURE CLOTHING OR OTHER FLAMMABLE OBJECTS ARE LESS THAN 42 FROM THE FRONT OF THE UNVENTED ROOM HEATER IN HIGH TRAFFIC AREAS IN WINDY OR DRAFTY AREAS Ensure the minimum clearances shown in Fig ures 2 and 3 are maintained Minimum clearance to combustibles are side and back 0 floor 0 adjacent wall 6 ceiling 37 1 2 953 mm Appliance Combustible Finished Wall Materials 12 mm 7 7 26 d Header Spacer 22 1 2 2 mm 18 5 8 mm Ca mm 8
16. 5RLK Brass Louver Kits VF6 BRLK Brass Hood Kit VF6 PBH Refractory Liner Kit VF6RLK 727777 2 DAT 5 1 Gas Flex Line Kit FFGC 2 Piece Decorative DAT 5 4 Arch Frame Kits DAT 6 1 VF5GDK Glass Door Panel VF6GDK Wood Surround Wall SUR 5PW BSK 5 BSK 6 Thermostat WTK Brass Square STK 6 4 Surround Kits STK 5 4 Decorative Volcanic Stone FDVS Wood Surround Corner SUR 5PC NOTE DIAGRAMS amp ILLUSTRATION NOT TO SCALE VF5000 SPECIFICATIONS 37 mr 940 mm 800 mm 15 381 mm La 30 762 mm A ES 36 914 mm E el Front View Y 5 1 2 140 mm A 1 2 13 mm 1 2 mm 37 940 mm 31 800 3 3 4 95 mm Gas Line 203 mm nua i pening Spaning 4 Left Side Only 34 2 Y 76 mm 89 mm Y a 15 1 2 394 mm 9 Left Side View Right Side View Opposite a 27 686 mm 15 1 2 394 mm 914 mm Top View Figure 24 VF6000 SPECIFICATIONS 42 1 8 sere 1070 mm 937 mm 20 508 mm La 34 864 mm Y g 40 1016 mm Front View 140 um 12 ee 13 mm 42 1 8 36 7 8 1070 mm 937 mm 3 3 4 11 95 mm 279 mm J Box
17. AL FOR ASSISTANCE OR ADDITIONAL INFORMATION CONSULT A QUALIFIED INSTALLER SERVICE AGENCY OR THE GAS SUPPLIER WARNING DO NOT BURN WOOD OR OTHER MATERIAL IN THESE APPLIANCES CAREFULLY REVIEW THE INSTRUCTIONS SUPPLIED WITH THE DECORATIVE TYPE UNVENTED ROOM HEATER FOR THE MINIMUM FIREPLACE SIZE REQUIREMENT DO NOT INSTALL THE APPLIANCE IN THIS FIREBOX UNLESS THIS FIREBOX MEETS THE MINIMUM DIMENSIONS REQUIRED FOR THE INSTALLATIONS This is an unvented gas fired heater It uses air oxygen from the room in which it is installed Provisions for adequate combustion and ventilation air must be provided Refer to Combustion and Ventilation Air Section Page 3 Due to high temperatures the appliance should be located out of traffic and away from furniture or draperies Do not place clothing or other materials on or near this appliance IMPORTANT READ AND UNDERSTAND THESE INSTRUCTIONS COMPLETELY BEFORE INSTALLING YOUR UNVENTED ROOM HEATERS TABLE OF CONTENTS General Information page 2 INVENTORY page 2 Tools and Building Supplies page 2 Installation Applications page 2 Important Safety Information page 2 Codes erts page 3 Combustion and Ventilation Air page 3 Location of Fireplace page 4 AA page 5 Preinstallation page 5 Installation Built In
18. BE OPERATED IS SMALLER THAN THAT DEFINED AS AN UNCON FINED SPACE PROVIDE ADEQUATE COMBUSTION AND VENTILATION AIR BY ONE OF THE METHODS DESCRIBED IN THE NATIONAL FUEL GAS CODE ANSI 2223 1 1992 SECTION 5 3 OR APPLI CABLE LOCAL CODES Your options are a Rework equations adding the space of ad joining room s Ifthe extra volume provides an unconfined space then remove door or add ventilation grills between rooms Refer to National Fuel Gas Code ANSI 2223 1 1992 Section 5 3 c Vent room directly to the outdoors Refer to National Fuel Gas Code ANSI 2223 1 1992 Section 5 3 Install lower BTU Hr heater such as the 25 000 BTU Hr to make the area an uncon fined space If the actual BTU Hr used is less than the maximum BTU Hr the space can support then the space is an unconfined space You will need no additional fresh air ventilation for an uncon fined space NOTE DIAGRAMS amp ILLUSTRATION NOT TO SCALE LOCATION OF FIREPLACE Carefully selectthe best location for installation of your VF5000 and VF6000 series Unvented Room Heater The following factors should be taken into consideration Clearance to side wall ceiling woodwork and windows Location must not be affected by drafts caused by kitchen exhaust fans return air reg isters for forced air furnaces air conditioners windows or doors e Installation must provide adequate ventila tion and combustion air Donotinstall
19. C TION FOR FUTURE REFERENCE IMPORTANT BEFORE STARTING YOUR HEATER INSTALLATION READ THESE INSTAL LATION INSTRUCTIONS CAREFULLY TO BE SURE YOU UNDERSTAND THEM COMPLETELY AND IN ENTIRETY FAILURE TO FOLLOW THESE INSTRUCTIONS COULD CAUSE A HEATER MALFUNCTION RESULTING IN SERI OUS INJURY AND OR PROPERTY DAMAGE UNVENTED GAS ROOM HEATER SPECIFICATIONS AND TECHNICAL DETAILS Valve Regulator Pressure Gas Inlet Model No Gas Type Maximum BTU HR Operation Setting Pressure VF5000 CMN 2 Natural 25 000 Manual Piezo 5 w c 10 Y2 w c Min 6 w c VF5000 CMP 2 Propane 25 000 Manual Piezo 10 w c LPG VF6000 CMN 2 Natural 32 000 Manual Piezo 5 W C 10 Y2 w c Min 6 w c LPG Note Test gage connections are provided on the front of the gas control valve identified A for the manifold side and E for inlet pressure Max 13 w c Min 11 w c Max 13 w c Min 11 w c WARNING ANY CHANGE TO THIS UN VENTED ROOM HEATER OR ITS CON TROLS CAN BE DANGEROUS IMPROPER INSTALLATION OR USE OF THIS HEATER CAN CAUSE SERIOUS INJURY OR DEATH FROM FIRE BURNS EXPLOSION OR CARBON MONOXIDE POISONING WARNING THESE APPLIANCES ARE DESIGNED TO OPERATE ON NATURAL OR PROPANE GAS ONLY THEUSEOF OTHER FUELS OR COMBINATION OF FUELS WILL DEGRADE THE PERFOR MANCE OF THIS SYSTEM AND MAY BE DANGEROUS Carbon Monoxide Poisoning Early signs of carbon monoxide poisoning are similar to the flu with headaches dizziness an
20. F6000 appliances One Piece Arch Kit A one piece complete door arch kit is available for use with VF appliances fitted with the op tional GDK 5 6 door This kit is easy to install and does not require hardware to attach it to a previously installed optional door frame The kit can be retrofitted to previously installed appliances Gas Flex Line with Valve A gas flex line kit is available to aid in attaching the appliance to the gas supply This kit can only be used where local codes permit The kit includes a 1 2 NPT to 3 8 flare in line shut off valve a 12 flex line 3 8 female flare through and a 3 8 flare to 3 8 NPT fitting The compo nents of this kit are rated for both natural and propane gas This kit is designed to be used as an aid in installing the appliance WARNING CHILDREN AND ADULTS SHOULD BE ALERTED TO THE HAZARDS OF HIGH SURFACE TEMPERATURES USE CAUTION AROUND THE APPLIANCE TO AVOID BURNS OR CLOTHING IGNITION YOUNG CHILDREN SHOULD BE SUPER VISED WHEN THEY ARE IN THE SAME ROOM AS THE APPLIANCE Wall Thermostat Kit A wall thermostat kit is available for use with these appliances The wall thermostat is de signed to be wired directly to the appliance millivolt gas control circuit and provide auto matic On Off control of the appliance to main tain a desired temperature within the room Brass Square Surround Kit Decorative brass square surround kits are avail able for use with these appliance
21. FISUPERIOR NATIONAL FIREPLACE We recommend that our gas INSTITUTE hearth products be installed and serviced by profes sionals who are certified in the U S by the National Fireplace Institute NFI as CERTIFIED NFI Gas Specialists www nficertified org Tested Portland Listed By Oregon USA U OMNI Test Laboratories Inc WARNING If the information in this manual is not followed exactly a fire or explosion may result causing property damage personal injury or loss of life Do not store or use gasoline or other flammable vapors and liquids in the vicinity of this or any other appliance WHAT TO DO IF YOU SMELL GAS Do not try to light any appliance Do not touch any electrical switch do not use any phone in your building Immediately call your gas supplier from a neighbor s phone Follow the gas supplier s instructions If you cannot reach your gas supplier call the fire department Installation and service must be performed by a qualified installer service agency or the gas supplier INSTALLATION AND OPERATION INSTRUCTIONS STANDARD SERIES Unvented Decorative Gas Fireplaces P N 903302 REV N 04 2010 MODELS VF5000 CMN 2 VF6000 CMN 2 VF5000 CMP 2 VF6000 CMP 2 FOR USE ONLY WITH DECORATIVE TYPE UNVENTED ROOM HEATERS DO NOT BUILD A WOOD FIRE WARNING IMPROPER INSTALLATION ADJUSTMENT ALTERATION SERVICE OR MAINTENANCE CAN CAUSE INJURY OR PROPERTY DAMAGE REFER TO THIS MANU
22. OU DO NOT FOLLOW THESE INSTRUCTIONS EXACTLY A FIRE OR EXPLOSION MAY RESULT CAUSING PROPERTY DAMAGE PERSONAL INJURY OR LOSS OF LIFE This appliance has a pilot which must be lighted by hand e Do not use any phone in your building When lighting the pilot follow these instructions exactly e Immediately call your gas supplier from a neighbor s phone BEFORE OPERATING smell all around the appliance area for e fyourgas supplier cannot be reached call the fire department gas Be sure to smell next to the floor because some gas is heavier than air and will settle on the floor 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 WHAT TO DO IF YOU SMELL GAS do not try to repair it call a qualified service technician Force or attempted repair may result in a fire or an explosion Extinguish any open flame Open windows Do not use this appliance if any part has been under water Immediately call a qualified service technician to inspect the Do not light any appliance appliance and to replace any part of the control system and Do not touch any electrical switches any gas control which has been under water LIGHTING INSTRUCTIONS STOP Read the safety information above on this page 6 Wait five 5 minutes to clear out any gas If you then smell gas STOP Follow B in the safety information above on this Access left side louver page If you do not smell gas go
23. STMENTS ARE TO BE MADE TO THE ODS PILOT SYSTEM TAMPERING WITH THIS SYSTEM CAN BE EXTREMELY HAZARDOUS Figure 18 An incorrect pilot flame is shown in Figure 79 This pilot flame will cause the thermocouple to cool When the thermocouple cools the heater will shut off If pilot flame pattern is incorrect or if heater shuts off contact your service representative Figure 19 In normal operation at full rate after 15 min utes the following flame appearance should be observed Rear Burner Flame Characteristics The rear flames should be yellow The flames should extend about 3 4 above the center log front of the unitized log group for natu ral gas and 2 3 above for propane L P G gas Figure 20 Figure 20 Main Burner The flames at the front burner holes will be blue becoming yellowish as they hit the bark like texture of the base and front face of the center log front of the unitized group Figure 20 Appliance Operation WARNING THE LOWER CONTROL COM PARTMENT AREA AND LOWER CONTROL COMPARTMENT ACCESS DOOR ARE EX TREMELY HOT WHEN THE APPLIANCE IS INOPERATION EXERCISEEXTREME CARE WHEN ACCESSING THIS AREA TOUCH ONLY THE FAR ENDS OF THE LOWER CONTROL COMPARTMENT DOOR WHEN OPENING WHILE THE APPLIANCE IS HOT Step 14 Checking the System With gas line installed run initial system checkout before closing up the front of the
24. UCHAS PINE CONES VERMICULITE OR ROCK WOOL USING THESE ADDED ITEMS CAN CAUSE SOOTING WARNING DO NOT PLACE ANY LAVA ROCK ON LOGS OR BURNERS THIS MAY CAUSE SOOTING Step 13 The heater includes a unitized set of ceramic fiber logs Handle these logs with great care The logs can be easily damaged but when handled properly they can provide years of performance and enjoyment Position the unitized log set unto the burner as shown in Figure 17 A p Figure 17 After setting the logs into position as shown above ensure they are properly and firmly situated The heater will not function as in tended if the logs are not correctly positioned Periodically check the positioning of the logs NOTE DIAGRAMS amp ILLUSTRATION NOT TO SCALE WARNING FAILURE TO POSITION THE PARTS IN ACCORDANCE WITH THESE DIAGRAMS OR FAILURE TO USE ONLY PARTS SPECIFICALLY APPROVED WITH THIS HEATER MAY RESULT IN PROP ERTY DAMAGE OR PERSONAL INJURY Flame Appearance REFER TO THE OPERATING INSTRUCTIONS LOCATED AT THE BACK OF THIS MANUAL BEFORE LIGHTING THE HEATER TO OBSERVE THE FLAMES Flames from the pilot front and rear burner should be visually checked as soon as the heater is installed In addition a periodic visual check of the flames should be made The pilot flame should always be present whenthe heater is in operation and should just envelope the tip of the thermocouple Figure 16 WARNING NO ADJU
25. ave true remote control of your vent free appliance turning it on and off from your favorite easy chair The wall switch kit should be installed along with the appliance Refer to Figure 14 and Step 6 for detailed installation instructions Rocker Switch Kit An optional rocker switch kit can be installed directly on all VF5000 VF6000 series appli ances to provide for On and Off operation in lieu of a wall switch This kit is designed to install in the lower control compartment out of view and is perfect for use in high volume areas such as lobbies and model homes where limited access to the appliance On Off switch is desirable This kit can be retrofitted to previously installed appliances and may be temporarily installed in place of other switch circuitry Decorative Volcanic Stone The decorative volcanic stone Model FDVS can be used to enhance the look of your appli ance Spread the decorative volcanic stone evenly around the bottom of the firebox Refractory Liner Kit One of the most beautiful enhancements you can make to this appliance is the addition of refrac tory liners The refractory liner kit includes tan ceramic fiber panels for the rear and side walls of the firebox The ceramic fiber panels have brick like features in relief To install the three panels simply place them in position against the firebox walls This kit can be retrofitted into previously installed appliances Glass Door Kit Optional glass do
26. d or nau sea If you have these signs obtain fresh air immediately Turn off the gas supply to the heater and have the Unvented Gas Heater serviced as it may not be operating correctly e Dueto high temperatures the heater should be located out of traffic and away from furni ture and draperies e Children and adults should be alerted to the hazard of high surface temperatures and should stay away to avoid burns or clothing ignition e Young children should be carefully super vised when they are in the same room with the heater Do not place clothing or other flammable material on or near the heater for the purpose of drying Installation and repair should be done by a qualified service person The heater should be inspected before use and at least annually by a professional service person More frequent Cleaning may be required due to excessive lint from carpeting bedding material etc It is important that control compartments burn ers and circulating air passageways of the heater be kept clean e Allow the heater to cool before servicing Always shut off any electricity or gas to the heater while performing service work e Donotinstall the VF5000 and VF6000 series heaters in a bedroom or bathroom e The installation must conform with local codes or inthe absence of local codes with the National Fuel Gas Code ANSI Z223 1 e The heater and its individual shut off valve must be disconnected from the gas supply
27. e door frame into the three 3 brackets at the base of the fireplace front opening Lean the door frame back towards the fireplace ensuring that the frame seats evenly as it draws shut Install the three 3 1 4 20 x 1 Phillips pan head screws removed previously and tighten to secure Ensure that the tab on the bottom of the door frame engages the door switch Make sure the screws are tightened equally to avoid torquing the door Figure 27 Screws Figure 21 NOTE DIAGRAMS amp ILLUSTRATION NOT TO SCALE OPTIONAL EQUIPMENT An incomparable package of options are avail able for use with these appliances These op tions can both customize the operation of these unique appliances and enhance their beauty and charming appeal All options are available in kit form are easy to install and are packaged complete with all required parts and instruc tions Some of the option kits need to be fitted prior to completing the installation of the appli ance The following paragraphs detail the kit options available for use with the appliances covered in this manual These outstanding optional items can be added individually or in sets of two or more to custom ize your vent free appliance to fit your homes unique needs Kit part numbers are provided on pages 16 and 17 along with descriptive illustrations The appliances covered in this manual are heater rated and produce a great deal of heat Decorative brass trim piece
28. ed with Type AWM 105 C 18 GA wire appliance from operating The appliance must From Thermocouple be electrically grounded in accordance with Optional ON OFF local codes or in the absence of local codes the Wall Switch Rocker Switch National Electrical Code ANSI NFPA 70 latest edition In Canada the current CSA C22 1 Thermopile Canadian Electrical Code VF5000 VF6000 Series Standard Wiring Diagram If any of the original wire as supplied must be replaced it must be replaced with Type AWM 105 C 18 GA wire 4 From Thermocouple Thermopile The forced air blower kit may be mounted at initial appliance installation or at any time there after Follow the instructions provided with the blower kit For Rocker or ON OFF Wall Switch Attachment Only Factory Wired Field Wired For Rocker Switch Attachment Only Finished Wall Details Figure 1 gure 14 It is sometimes best to frame the appliance after it has been positioned in place Frame with 2 x 4s or heavier lumber Always frame in accordance with local building codes Figure 14 OFF ON Blower Wall Switch Note The header may rest on the top spacers but must not be notched to fit around them To Fuse or Circuit Breaker In order to install the appliance facing flush with the finished wall position the framework to accommodate the thickness of the finished wall treplace
29. fitted to the heater to reduce the supply tank pressure to 13 w c maximum WARNING CONNECTING DIRECTLY TO AN UNREGULATED PROPANE TANK CAN CAUSE AN EXPLOSION Step 6 Installing the Optional Remote Wall Switch The standard millivolt system comes from the factory wired as shown in Figure 13 Select a convenient location for the remote wall switch and connect the wiring to the appliance Figure 14 CAUTION DO NOT CONNECT THE OPTIONAL REMOTE SWITCH TO A 120V POWER SUP PLY Note The optional rocker switch is mounted to the appliance and wired in the same way as the remote wall switch Step 7 Installing the Optional Forced Air Blower Kit Wiring A receptacle plate is pro videdforthe installation ofthe FAB 1100 forced air blower kit optional Electrical power must be provided to this plate to operate the blower Route a 3 wire 120Vac power line with control switch to the lower left front corner of the appliance Supply wires are to be connected to the outlet as shown in Figure 15 ensuring that the polarity as determined by the colors of the wires is exactly as shown The black and red wire loop must be left intact with the mating connectors connected VF5000 VFG000 Series IMPORTANT Ground lead must be connected Optional Wiring Diagram to the green screw located on the junction box If any of the original wire as supplied must be replaced it cover plate Failure to do so will prevent the must be replac
30. gen level drops below 18 The pilot can be relit only when fresh air is available Refer to the Com bustion and Ventilation Air section The VF5000and VF6000 Series Unvented Room Heaters may be built into a framed wall or installed in an optional oak surround This heater has been tested to the standards of ANSI Z21 11 2 unvented heaters Do not install these unvented room heaters in a bedroom or bathroom as all units exceed maximum allowable BTU Hr input of 10 000 Inventory Unvented Gas Fireplace Gas connection fittings Installation and Operating Instructions Tools and Building Supplies Normally Required Tools Should Include Phillips screwdriver Hammer Saw and or Sabersaw Measuring tape Electric drill and bits Pliers Square Piping complying with local codes Pipe wrench Tee joint Pipe compound Building Supplies Should Include Framing materials Wall finishing materials Caulking materials noncombustible Fireplace surround materials Installation Applications 1 Fireplace built into a framed wall 2 Fireplace installed with oak surround and or platform Refer to the DV5 6 unfinished oak veneer surround installation instructions P N 903593 Checkthe inventory listto be sure that you have allthe necessary parts in usable condition Also check for concealed damage IMPORTANT SAFETY INFORMATION INSTALLER PLEASE LEAVETHESE INSTRUC TIONS WITH THE OWNER OWNER PLEASE RETAIN THESE INSTRU
31. ilot 2 Replace ODS pilot assembly or get pilot serviced F Thermocouple damaged Replace thermocouple G Control valve damaged Replace control valve 7 Burner does not light after A Burner orifice is clogged Clean burner or replace burner orifice ODS pilot is lit B Burner orifice diameter is too small Replace burner orifice C Inlet gas pressure is too low Contact local gas company 8 Delayed ignition of burner A Manifold pressure is too low Contact local gas company B Burner orifice is clogged Clean burner or replace burner orifice 9 Burner backfiring during A Burner orifice is clogged or damaged Clean burner or replace burner orifice combustion B Burner damaged Replace burner C Gas regulator defective Replace gas regulator 10 Slight smoke or odor during A Vapors from paint or curing process of logs Problem will stop after afew hours of operation SFC recommends running the initial operation heater with excess ventilation for the first few hours 11 Heater produces a whistling A Turning control knob to HI position when burner is cold Turn control knob to LO position and let warm up for a minute noise when burner is lit B Air in gas line Operate burner until air is removed from line Have gas line checked by local gas company C Dirty or partially clogged burner orifice Clean burner or replace burner orifice LIGHTING INSTRUCTIONS MILLIVOLT FOR YOUR SAFETY READ BEFORE LIGHTING WARNING IF Y
32. nning on page 4 Note The heater may be installed directly on a floor made of standard combustible wood con struction materials Do not install the heater directly on carpeting or other soft floor cover ing such as vinyl tile or flooring materials Use a wood or metal panel that extends the full width and depth of the heater between the heater and any soft floor covering material Refer to Figures 26 and 27 for base dimensions Step 9 Secure Heater Bend the tabs down Figures 2 and 15 Using two 2 screws securely tighten the appliance to the platform Note Heater must be anchored to the floor or platform Step 10 Install Optional 120V Wiring Refer to Step 5 for wiring instructions Connecting Gas Line Step 11 A qualified gas appliance installer must connect the gas room heater to the gas supply Consult all local codes and refer to Step 5 The heater gas inlet connection is 3 8 NPT located on the left side facing the heater If a right side connection is required the connec tion pipe may be piped under the rear of the appliance to end at the left hand side for con nection to the inlet When tightening up the joint to the valve hold the valve securely with a wrench to prevent the valve from moving Step 12 For Surround Installations Only Finish the assembly of the surround compo nents and secure the surround to the appliance Assembling the Logs WARNING DO NOT ADD EXTRA LOGS OR ORNAMENTS S
33. o prevent the fibers from pricking your skin If the skin is pricked wash gently with soap and water Replace the logs as de tailed in Step 12 Assembling the Logs If after a period of use the flames start to exhibit unusual shapes and behavior or the burners fail to ignite smoothly then the burner holes may require some cleaning If this hap pens it is preferable to contact your nearest dealer to get the appliance serviced REPLACEMENT PARTS An exploded view of the room heater with numbered parts and a parts list can be found on pages 18 and 19 All parts should be ordered through your LHP distributor or dealer Parts will be shipped at prevailing prices at time of order When ordering repair parts always give the following information 1 The model number of the heater 2 The serial number of the heater 3 The part number 4 The description of the part 5 The quantity required 6 The installation date of the heater If you encounter any problems or have any questions concerning the installation of this heater please contact your distributor For the name of your nearest distributor contact LHP 1110 West Taft Avenue Orange CA 92865 NOTE DIAGRAMS amp ILLUSTRATION NOT TO SCALE ACCESSORIES AND COMPONENTS Forced Air Kit Remote Control Rocker Switch Kit Wall Switch Kit FAB 1100 RCL RCL STAT FRS FWSK ACCESSORIES AND COMPONENTS VF5 BRLK VF5 PBH VF
34. obtained from The American National Standards Insti tute Inc 1430 Broadway New York NY 10018 or National Fire Protection Association Inc Batterymarch Park Quincy MA 02269 Massachusetts And New York Require ments These appliances are approved for installation in the following USA locations listed in the following Massachusetts These fireplaces are approved for installation in the US state of Massachusetts if the follow ing additional requirements are met nstallation and repair must be done by a plumber or gas fitter licensed in the Common wealth of Massachusetts The flexible gas line connector used shall not exceed 36 inches 92 centimeters in length The individual manual shut off must be a T handle type valve Vent Free appliances may NOT be installed in bedrooms or bathrooms A working smoke detector must be installed in the area where vent free appliances are installed Seller of unvented propane or natural gas fired supplemental room heaters shall pro vide to each purchaser a copy of 527 CMR 30 upon sale of the unit New York These appliances are approved for installa tion in the US state of New York but not in New York City COMBUSTION AND VENTILATION AIR These heaters shall not be installed in a con fined space The heater may be located in unusually tight construction provided the space is unconfined or if confined is pro vided with two permanent openings commu
35. of the appliance conden sation may occur and fog the inside of the glass panel This condition will disappear shortly as the appliance heats 5 Keep lower control compartment clean by vacuuming or brushing at least twice a year More frequent cleanings may be required due to excessive lint from carpeting bedding mate rials etc It is important that the control com partments burners and circulating air pas sageways of the heater be kept clean 6 Always turn off gas to pilot before cleaning Before relighting refer to the lighting instruc tions in this manual Instructions are also found on a pull out panel located on the floor of the appliance 7 Always keep the appliance area clear and free from combustible materials gasoline and other flammable liquids 8 Remember this appliance has a continuous burning pilot flame Exercise caution when using products with combustible vapors CLEANING AND SERVICING WARNING TURN OFF THE UNVENTED GAS ROOM HEATER AND ALLOW TO COOL BEFORE CLEANING Only limited cleaning will be required under the normal use of the heater Dust the front grate the top of the piezo cover and the control knob occasionally Do not use cleaning fluids to clean the logs or any other part of the room heater Remove the log assembly gently handling by holding each log at each end Use a vacuum cleaner to remove loose particles from the base and from around the burners Gloves are rec ommended t
36. op edge Tilt the glass door frame assembly outward and disengage the three 3 tabs along the bottom of the door from the three 3 brackets at the bottom of the firebox opening Remove the door and set the panel aside protecting it from inadvertent dam age Retain the three 3 screws for use on reassembly Remove the logs packaged inside the firebox and also set aside Check Gas Type This appliance can only be connected to the gas type specified on the appliance data plate This appliance can not be modified in the field for a different gas type If the gas type to be used is not the one specified contact the dealer to obtain the correct gas appliance Note I lustrations shown in this manual reflect typical installations with nominal dimensions and are for design and framing reference only Actual installations may vary due to individual design preferences However always maintain minimum clearances to combustible materials and do not violate any specific installation re quirements Note The following steps represent the normal sequence of installation Each installation is unique however and might require a different sequence CAUTION HEATERS CREATE WARM AIR CUR RENTS THESE CURRENTS MOVE HEAT TO WALL SURFACES NEXT HEATER INSTALL ING HEATER NEXT TO VINYL OR CLOTH WALL COVERINGS OR OPERATING HEATER WHERE IMPURITIES IN THE AIR SUCH AS TOBACCO SMOKE EXISTS MAY DISCOLOR WALLS Step 1 Position heater in
37. or kits are available for use with both the VF5 and VF6 appliances These doors elegantly provide protection for the logs while helping to prevent the buildup of con taminates such as pet hair carpet lint and dust on the burner ports Use the GDK 5 with VF5 appliances and the GDK 6 with VF6 appli ances Solid Brass Hood Kit An attractive solid brass hood kit is available for use with these VF appliances The brass hood kit is designed to be fitted to your appli ance above the door In addition to providing an aesthetically pleasing appearance to your appliance installation the hood reduces heat effects to decorative mantles and finish mate rials located directly above the fireplace open ing The hood kit includes the necessary attaching hardware This kit can be retrofitted to previously installed appliances Solid Brass Louver Kit Solid brass louvers are available for use with these appliances These louvers are designed to replace the standard black louvers that are provided with the appliance The brass louver kit includes four 4 louvers that simply snap into place They provide atouch of elegance to the VF appliance This kit can be retrofitted to previously installed appliances NOTE DIAGRAMS amp ILLUSTRATION NOT TO SCALE Screen Panel Kit An optional screen panel can be installed on the VF5000 VF6000 Series Units This screen panel is easy to install This kit can be retrofitted to previously installed VF5000 V
38. s The BSK 5 and BSK 6 are designed to attach directly to the front face of the appliance at its extreme edges The brass square surround kits provide a pic ture frame finish for the appliance 2 1 2 wide Use the BSK 5 with VF5 appliances and the BSK 6 with VF6 appliances The brass square surround kit can be retrofitted onto previously installed appliances 11 OPERATION AND CARE OF YOUR APPLIANCE 1 Appliance operation may be controlled through the optional ON OFF unit rocker switch located in the lower control compartment or through a remotely located optional wall switch or wall thermostat Separate switches may provide independent control for the forced air blower and remote fireplace operation op tional equipment 2 These heater rated units are equipped with a two stage Hl LOW gas control valve To cycle the burner between the HI and LOW settings rotate the control knob located in the center of the valve front face clockwise and counter clockwise respectively 3 When lit forthe first time the appliance will emit a slight odor for an hour or two This is due to the burn in of the internal paints and lubricants used in the manufacturing process Additionally when lit for the first time this appliance may produce smoke this is normal and should be expected For the first few hours operate the appliance with doors and windows open to encourage the dissipation of smoke and fumes 4 Upon each lighting
39. s and hoods may tarnish because of their proximity to the heater Opening and front face Tarnishing of these pieces is normal unavoidable and should be expected Forced Air Kit The FAB 1100 assembly provides a forced air circulation feature for your appliance This kit mounts directly into the lower intake chamber with an electrical connection made at the recep tacle provided The appliance must have an independent 120Vac power line incorporated at the time of installation Refer to Step 6 of the installation instructions supplied with the forced air kit Figures 22 and 23 Figure 22 Blower Motor Grounded to Appliance Motor Plug Receptacle Appliance Junction Box Figure 23 Remote Control Kit The Model RCL adds the convenience of re mote control for your appliance The kit in cludes a wireless hand held transmitter and a receiver that replaces the wall switch This special receiver permits either manual or re mote control modes Both receiver and trans mitter operate on standard 9 volt batteries not included Refer to the RCL installation instruc tion for specific details Wall Switch Kit An optional wall switch kit can be installed along with all vent free appliances The kit consists of a standard UL wall switch with cover plate This kit provides for remote wall operation of the appliance Replace the wall switch and cover plate of this kit with the components of the FWSK and you can h
40. t Model GFLV Gas Flex Line Kit Model GFLV 1 2 x 3 8 Flare Shut Off Valve 3 8 NPT x 3 8 Flare Fitting Gas Valve 5 Gas Stub 3 8 Close Nipple 3 8 Nip le Standard with all Units 3 8 Union 3 8 Shut Off Valve 1 2 x 3 8 Reducer Figure 11 Step 3 Ensure the hood is properly positioned in the open area above the appliance door If required insert the tabs on each end of the hood into the bracket at each end Bend the two tabs over to secure Step 4 Position appliance into prepared framing secure with 6d nails or equivalent at the nailing flange along each side Step 5 Connecting Gas Line Make gas line connections All codes require a shut off valve mounted in the supply line Figure 11 illus trates two methods for connecting the gas supply Installation methods and materials must be in compliance with local codes The gas control valve is located in the lower control compartment To access the valve open the lower control compartment door Figure 12 The control valve has a 3 8 NPT thread inlet port and is fitted with a 3 76 mm long nipple 3 8 NPT on both ends Plan the connections accordingly We recom mend that the gas line be routed for the left side of the appliance to ensure adequate ac cess to the rear lower compartment for instal lation and servicing of the optional FAB 1100 blower Control Valve Te
41. te and correct all leaks see Checking Gas Connections page 7 knob is in OFF position B Control valve defective Replace control valve A Gas supply turned off or manual shut off valve closed Turn on gas supply or open manual shut off valve When igniter button is pressed there is spark at B Control knob not in PILOT position Turn control knob to pilot position ODS pilot but no ignition C Control knob not pressed in while in PILOT position Press in control knob while in pilot position D Air in gas lines when installed Continue holding down control knob Repeat igniting operation until air is removed E ODS pilot is clogged Replace ODS pilot assembly or get it serviced F Gas regulator setting is not correct Replace gas regulator 6 ODS pilot lights but flame A Control knob not fully pressed in Press in control knob fully goes out when control knob is released B Control knob not pressed in long enough After ODS pilot lights keep control knob pressed in 30 seconds C Manual shut off valve not fully open Fully open manual shut off valve D Thermocouple connection loose at control valve Hand tighten until snug then tighten 1 4 turn more E Pilot flame not touching thermocouple which allows thermocouple to cool causing pilot flame to go out This problem could be caused by one or both of the following 1 Low gas pressure 1 Contact local gas company 2 Dirty or partially clogged ODS p
42. tions to determine if you have a confined or unconfined space 1 Determine the volume of space ft Length x Width x Height ft Include adjoining rooms with doorless pas sageways or ventilation grills between rooms Example 24 L x 16 W x 8 H 3072 ft Divide the volume of space by 50 ft to determine the maximum BTU Hr the space can support volume of space ft 3 50 ft Maximum BTU Hr the space can support Example 3072 ft 50 ft 61 44 or 61 440 BTU Hr the space can support 3 Add the BTU Hr of all the fuel burning appli ances in the space Vent Free heater BTU Hr Gas appliance 1 BTU Hr Gas appliance 2 BTU Hr Total BTU Hr Example VF6000 Vent free heater 32 000 BTU Hr Gas appliance 1 34 000 BTU Hr water heater Total 66 000 BTU Hr Do not include direct vent gas appliances Direct vent is sealed combustion and draws combustion air from the outdoors 4 Compare the maximum BTU Hr the space can support with the actual amount of BTU Hr used BTU Hr max the space can support BTU Hr actual amount of BTU Hr used Example 61 440 BTU Hr max the space can support BTU Hr actual amount of BTU Hr used 66 000 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 sup port You must provide additional fresh air WARNING IF THE AREA IN WHICH THE HEATER MAY
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