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Summary of Contents for FMI H18NB
- Page 1 UNVENTED (VENT-FREE) GAS LOG HEATER OWNER’S OPERATION AND INSTALLATION MANUAL ® 18" AND 24" VARIABLE MANUALLY-CONTROLLED MODELS H18NB, H18PB, H24NB AND H24PB WARNING: If the information in this manual is not — WHAT TO DO IF YOU SMELL GAS For more information, visit www.fmiproducts.com...
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Page 2: Table Of Contents
TABLE OF CONTENTS Safety ..............2 Cleaning and Maintenance ........ 19 ........... 4 Troubleshooting ..........21 Local Codes............5 ............ 25 Unpacking............5 Technical Service..........25 Product Features ..........5 Service Hints ............. 25 Air For Combustion and Ventilation ..... 5 Replacement Parts .......... - Page 3 SAFETY Continued WARNING: Do not allow fans known to the State of California Early signs of carbon monoxide poisoning resemble the will remain hot for a time after more affected by carbon monoxide than oth- high altitudes. Natural and dren when they are in the room propane/LP gases are odorless.
- Page 4 SAFETY Continued 2. Do not place propane/LP supply tank(s) inside any structure. Locate propane/LP supply tank(s) outdoors (propane/LP units only). use of a propane/LP tank of less than tilation to run properly. This heater has an 100 lbs. capacity is not recommended Oxygen Depletion Sensing (ODS) safety (propane/LP units only).
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Page 5: Local Codes
LOCAL CODES State of Massachusetts: The installa- tion must be made by a licensed plumber use the latest edition of The National Fuel Gas Code ANSI Z223/NFPA 54*. Massachusetts. *Available from: Sellers of unvented propane or natural provide to each purchaser a copy of 527 CMR 30 upon sale of the unit. - Page 6 AIR FOR COMBUSTION AND VENTILATION Continued gregate input rating of all appliances installed proper venting of vented fuel-burning appli- of the aggregate input rating of all appliances ances. installed in that space. Rooms communicating ational Fuel Gas Code. ANSI Z223.1/NFPA 54, Air for * Adjoining rooms are communicating only if Combustion and Ventilation.
- Page 7 AIR FOR COMBUSTION AND VENTILATION Continued Example: _________ Btu/Hr _________ Btu/Hr Total = _________ Btu/Hr National Fuel Gas Code ANSI 4. Compare the maximum Btu/Hr the space Z223.1/NFPA 54, Air for Combustion and Ventilation used. grills or ducts. _______ Btu/Hr (maximum the space can support) _______ Btu/Hr (actual amount of Btu/Hr 12"...
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Page 8: Installation
INSTALLATION NOTICE: This heater is intended WARNING: Never install the heater where curtains, furniture, cloth- CAUTION: This heater creates move heat to wall surfaces next NOTICE: State or local codes may IMPORTANT: Vent-free heaters add moisture moisture. See Air for Combustion and Ventila- tion Use only the correct gas type (natural or propane/LP) for your unit. - Page 9 INSTALLATION Continued INSTALLATION AND CLEARANCES NOTICE: Manual control heaters If so, you must always run heater WARNING: Maintain the Installing Damper Clamp Accessory for Vented Operation Clearances Note: If using a mantel, proceed to If Using Mantel, page 10. If not using a mantel, follow the information below.
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Page 10: Mantel Clearances
INSTALLATION Continued IMPORTANT: If you cannot meet these mini- MANTEL CLEARANCES In addition to meeting noncombustible mate- Install- ing Damper Clamp Accessory for Vented Operation mantel shelf. If you do not meet the clearances must have noncombustible material behind it. Noncombustible material must extend at least minimum clearances. - Page 11 INSTALLATION Continued FLOOR CLEARANCES must maintain the minimum distance of Accessories clamp accessory. Figure 8). opening you must provide. Attach damper Chimney Combustible Material 14" Min. 6' to 15' 15' to 30' Noncombustible Material Figure 7 - Minimum Fireplace Clearances If Installed at Floor Level Diameter Area...
- Page 12 INSTALLATION Continued gas hose to gas regulator of heater (see Figure 10). IMPORTANT: CAUTION: Do not remove the package. 4. Place log in proper position on heater base (see Installing Logs, page 15). 5. Center heater base and logs front-to-front WARNING: You must secure not, heater will move when you heater base.
- Page 13 INSTALLATION Continued CAUTION: Never connect NPT tap must be upstream from heater (see Figure 13 page 14). IMPORTANT: in an accessible location. Main gas valve is for turning on or shutting off gas to the ap- units, never connect heater to pliance.
- Page 14 INSTALLATION Continued We recommend that you install sediment fuel supply and heater. Locate sediment trap Connecting A sediment trap traps moisture and contami- nants. This keeps them from going into heater to Gas Supply controls. If sediment trap is not installed or is ment shutoff valve from gas supply piping.
- Page 15 INSTALLATION Continued 3. Check all joints from gas meter (natural INSTALLING LOGS shutoff valve (see Figure 15 or 16). Apply a commercial leak detection solution to all 4. Correct all leaks at once. Propane/LP Supply Tank CAUTION: After installa- Control Valve Location Figure 15 - Checking Gas Joints (Propane/LP Gas Only)
- Page 16 INSTALLATION Continued 3. Place rear log on heater base behind the Center metal burner. The bottom of the rear log Crossover has recess areas on the left and right side for the base to set into. Pull the rear log in Figure 18.
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Page 17: Operation
OPERATION LIGHTING FOR YOUR SAFETY INSTRUCTIONS WARNING: WARNING: If you do not fol- low these instructions exactly, erate heater with doors closed, WHAT TO DO IF YOU SMELL GAS Note: Home owners generally prefer to oper- ate their heater with the chimney damper closed. - Page 18 OPERATION Continued 1. STOP! Read the safety information in column 1. open. to the OFF position. to the PILOT position. Thermocouple Ignitor Electrode 5. Press in control knob and turn counterclock- Pilot Burner to the PILOT position. The pressed in for 5 seconds. If control knob does service person or gas supplier for repairs.
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Page 19: Inspecting Burners
INSPECTING BURNERS Thermocouple patterns often. Pilot Burner Figure 24 - Incorrect Pilot Flame Pattern in Figure 24 To Turn Off Gas to Ap- pliance Troubleshooting or lint. Periodically inspect these holes for any blockage and clean as necessary. Blocked air and have no yellow or orange color. - Page 20 CLEANING AND MAINTENANCE Continued We also recommend that you keep the burner tube and pilot assembly clean and free of dust injector holder. using compressed air no greater than 30 PSI. been pushed into the burner repeat steps 3 and 4. home center may carry compressed air in a assembly.
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Page 21: Troubleshooting
TROUBLESHOOTING Note: All troubleshooting items are listed in order of operation. REMEDY When control knob is pressed 1. Ignitor electrode not con- 1. Reconnect ignitor cable in and turned to PILOT nected to ignitor cable is not spark at ODS/pilot 2. - Page 22 TROUBLESHOOTING Continued REMEDY ODS/pilot lights but flame 1. Control knob not fully 1. Press in control knob fully pressed in is released 2. Control knob not pressed in long enough control knob pressed in 30 seconds fully open off valve 4.
- Page 23 TROUBLESHOOTING Continued REMEDY Slight smoke or odor during 1. Not enough air 1. Check burner for dirt and initial operation burner (see Cleaning and Maintenance 2. Gas regulator defective 2. Replace gas regulator 3. Residues from manufac- turing processes and log hours of operation curing Moisture/condensation no-...
- Page 24 TROUBLESHOOTING Continued REMEDY 1. Heater burning vapors from odors room. Stop using odor IMPOR- heater is running TANT statement above) LP only) LP only) 3. Gas leak. 3. Locate and correct all leaks (see Checking Gas Con- nections Heater shuts off in use (ODS 1.
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Page 25: Technical Service
SPECIFICATIONS *For the purpose of input adjustment. *For the purpose of input adjustment. TECHNICAL SERVICE SERVICE HINTS When calling please have your model and serial numbers of your heater ready. gas supplier. REPLACEMENT PARTS Note: Use only original replacement parts. This will protect your warranty coverage for parts replaced under warranty. -
Page 26: Parts
PARTS 17-3 17-4 (18" Models) 17-2 17-4 (24" Models) 17-5 17-1 www.fmiproducts.com 124465-01B... - Page 27 PARTS instructions listed under Replacement Parts on page 25 of this manual. 120804-01 Log Base 120783-01 Cast Iron Grate 120517-04 Pilot Bracket 122862-01 120630-04 120630-02 120517-02 Regulator Bracket 099415-23 099415-24 122142-01 122142-02 122141-01 Manual Valve Outlet Tube 122146-02 Natural Gas Plate 107186-05 Injector 107186-06...
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Page 28: Accessories
ACCESSORIES your local dealer. If they can not supply these page of this manual. Perma- operation. www.fmiproducts.com 124465-01B... - Page 29 NOTES _____________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ _____________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ _____________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ www.fmiproducts.com 124465-01B...
- Page 30 NOTES _____________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ _____________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ _____________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ www.fmiproducts.com 124465-01B...
- Page 31 NOTES _____________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ _____________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ _____________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ www.fmiproducts.com 124465-01B...
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Page 32: Warranty
WARRANTY KEEP THIS WARRANTY Model ( ) _____________________________ Serial No. ( ) __________________________ Date Purchased __________________________ FMI PRODUCTS, LLC LIMITED WARRANTIES Standard Warranty: Limited Warranty: Terms Common to All Warranties damages. 2701 S. Harbor Blvd. 124465-01 1-866-328-4537 Rev. B www.fmiproducts.com...
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