FMI HD18NRB Owner'S Manual Download

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www.fmiproducts.com

124702-01E

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Summary of Contents for HD18NRB

Page 1: ...itch do not use any phone in your building Immediatelycallyourgassupplierfromaneighbor 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 quali fied installer service agency or the gas supplier INSTALLER Leave this manual with the appliance CONSUMER Retain this manual for future reference UNV...

Page 2: ...only in a solid fuel burn ing masonry or UL127 factory built fireplace or in a listed ventless firebox enclosure It is design cer tifiedfortheseinstallations in accordance with ANSI Z21 11 2 Exception Donot install this appliance in a factory built fireplace that includes instructions stat ing it has not been tested or should not be used with unvented gas logs WARNING This is an unvented gas fired...

Page 3: ...rnings Keep this manual for reference It is your guide to safe and proper operation of this heater WARNING Any change to this heater or its controls can be dangerous WARNING Do not use a blower insert heat exchanger insertorotheraccessorynotap proved for use with this heater SAFETY Continued WARNING Donotallowfans toblowdirectlyintothefireplace Avoidanydraftsthatalterburner flame patterns Ceiling ...

Page 4: ...ause glass to burst Make sure there are no obstructions across openings of fireplace 8 To prevent the creation of soot follow the instructions in Cleaning and Maintenance page 21 9 Before using furniture polish wax carpet cleaner or similar products turn heater off If heated thevaporsfromtheseproductsmay create a white powder residue within burner box or on adjacent walls and furniture 10 This hea...

Page 5: ...rohibited for bedroom and bathroom installation in the Commonwealth of Massachusetts LOCAL CODES Install and use heater with care Follow all local codes In the absence of local codes use the latest edition of The National Fuel Gas Code ANSI Z223 1 NFPA 54 Available from American National Standards Institute Inc 1430 Broadway New York NY 10018 National Fire Protection Association Inc Batterymarch P...

Page 6: ... is good to make your home energy efficient your home needs to breathe Fresh air must enter your home All fuel burning ap pliances 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 ap...

Page 7: ...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 Do not include direct vent gas appliances Direct vent d...

Page 8: ...ion grills or ducts You must provide two perma nent openings one within 12 of the ceiling and one within 12 of the floor Connect these items directly to the outdoors or spaces open to the outdoors These spaces include attics and crawl spaces Follow the National Fuel Gas Code ANSI Z223 1 NFPA 54 Air for Combustion and Ventilation for required size of ventilation grills or ducts IMPORTANT Do not pro...

Page 9: ...t to heater Installing heater next to vinyl or cloth wall coverings or operating heater where impurities such as but not limited to tobacco smoke aromatic candles cleaning flu ids oilorkerosenelamps etc in the air exist may discolor walls or cause odors IMPORTANT Vent free heaters add moisture to the air Although this is beneficial installing heater in rooms without enough ventilation air may caus...

Page 10: ...e Wall Example Minimum Noncombustible Material Clearances If Not Using Mantel Note If using a mantel proceed to If Using Mantel page 11 If not using a mantel follow the information on this page You must have noncombustible material s above the fireplace opening Noncombustible materials such as slate marble tile etc must be at least 1 2 inch thick With sheet metal you must have noncombustible mater...

Page 11: ...7 for minimum clearances IMPORTANT If you cannot meet these mini mum clearances you must operate heater with chimney flue damper open Go to Install ing Damper Clamp Accessory for Vented Operation page 12 MANTEL CLEARANCES In addition to meeting noncombustible mate rial clearances you must also meet required clearances between fireplace opening and mantel shelf If you do not meet the clearances lis...

Page 12: ...removed or welded in the fully open position If your heater is a manually controlled model you may use this heater as a vented product There are three reasons for operating your heater in the vented mode 1 The fireplace does not meet the clearance to combustibles requirements for vent free operation 2 State or local codes do not permit vent free operation 3 You prefer vented operation If reasons n...

Page 13: ...ed electric drill with 3 16 drill bit metal or masonry as applicable flathead screwdriver pipe wrench 1 Connect approved flexible gas hose to gas control fitting in heater see Figure 11 IMPORTANT Hold gas fitting with wrench when connecting flexible gas hose 2 Locate two masonry screws in hardware package 3 Place heater base in fireplace 4 Place logs in their proper position on heater base see Ins...

Page 14: ... shutoff valve test gauge connection sediment trap tee joint pipe wrench A equipment shutoff valve with 1 8 NPT tap is an acceptable alternative to test gauge connection Purchase the optional equipment shutoff valve from your dealer For propane LP units the installer must supply an external regulator The external regulator will reduce incoming gas pressure You must reduce incoming gas pressure to ...

Page 15: ...mmend that you install a sediment trap in supply line as shown in Figure 14 Locate sediment trap where it is within reach for cleaning Install in piping system between fuel supply and heater Locate sediment trap where trapped matter is not likely to freeze A sediment trap traps moisture and contaminants This keeps them from going into heater controls If sediment trap is not installed or is install...

Page 16: ...gas valve located on or near gas meter for natural gas or using compressed air 4 Check all joints of gas supply piping system Apply noncorrosive leak detection fluid to all joints Bubbles forming show a leak 5 Correct all leaks at once 6 Reconnect heater and equipment shutoff valve to gas supply Check reconnected fittings for leaks Test Pressures Equal To or Less Than 1 2 PSIG 3 5 kPa 1 Close equi...

Page 17: ...on and periodically thereafter check to ensure that no flame comes in contact with any log With the heater set to HI check toseeifflamescontactanylog If so reposition logs according to the log installation instructions in this manual Flames contact ing logs will create soot It is very important to install these logs exactly as instructed Do not modify logs Only use logs supplied with heater 1 Plac...

Page 18: ... WARNING If fireplace has glass doors never operate this heater with glass doors closed If you op erateheaterwithdoorsclosed heat buildup inside fireplace willcauseglasstoburst Make suretherearenoobstructions across opening of fireplace You must operate this heater withafireplacescreeninplace Make sure fireplace screen is closed before running heater FOR YOUR SAFETY READ BEFORE LIGHTING WARNING If...

Page 19: ...ter hooking up to gas supply If so the control knob may need to be pressed in for 30 seconds or more This will allow air to bleed from the gas system 6 With control knob pressed in press and release ignitor button This will light pilot The pilot is attached to the front burner If needed keep pressing ignitor button until pilot lights Figure 21 Control Knob and Ignitor Button Location Shown as Supp...

Page 20: ...ple This will cause the thermo couple to cool When the thermocouple cools the heater will shut down If pilot flame pattern is incorrect as shown in Figure 32 turn heater off see To Turn Off Gas to Ap pliance page 20 see Troubleshooting page 26 Note The pilot flame on natural gas units will have a slight curve but flame should be blue and have no yellow or orange color MANUAL LIGHTING PROCEDURE 1 F...

Page 21: ...rry compressed air in a can If using compressed air in a can please follow the directions on the can If you don t follow directions on the can you could dam age the pilot assembly 1 Shut off the unit including the pilot Allow the unit to cool for at least thirty minutes 2 Inspect burner pilot and primary air inlet holes on orifice holder for dust and dirt see Figures 26 and 27 Burner Tube Pilot As...

Page 22: ...ebris or rust with no flame present If so turn off heater and let cool Remove blockage Blocked burner flame holes will create soot CLEANING AND MAINTENANCE Continued REPLACEMENT PARTS Note Use only original replacement parts This will protect your warranty coverage for parts replaced under warranty Contact authorized dealers of this product If they can t supply original replacement part s call FMI...

Page 23: ...c HD24NRB Rating 25 000 36 000 Btu hr Gas Type Natural Ignition Piezo Manifold Pressure 3 5 w c Inlet Supply Pressure inches of water Maximum 10 5 w c Minimum 5 w c SERVICE HINTS When Gas Pressure Is Too Low pilot will not stay lit burners will have delayed ignition heater will not produce specified heat for propane LP units propane LP gas sup ply may be low You may feel your gas pressure is too l...

Page 24: ... in stalled 5 Depleted gas supply pro pane LP only 6 ODS pilot is clogged 7 Gas regulator setting is not correct REMEDY 1 Reconnect ignitor cable 2 Free ignitor cable if pinched by any metal or tubing Keep ignitor cable dry 3 Tighten nut holding piezo ignitor to base panel of log set Nut is located behind base panel 4 Replace ignitor cable 5 Replace piezo ignitor 6 Replace pilot assembly 7 Replace...

Page 25: ...b fully 2 After ODS pilot lights keep control knob pressed in 30 seconds 3 Wait one minute for safety interlock system to reset Repeat ignition operation 4 Fully open equipment shut off valve 5 A Contact local natural or propane LP gas company B Clean ODS pilot see Cleaning and Maintenance page 21 or replace ODS pilot assembly 6 Hand tighten until snug then tighten 1 4 turn more 7 Replace pilot as...

Page 26: ...checked by local natural or propane LP gas company 3 Observe minimum installa tion clearances see pages 9 through 11 4 Clean burners see Cleaning and Maintenance page 21 or replace burner orifice 1 Turn heater off when us ing furniture polish wax carpet cleaners or similar products 1 Refer to Air for Combustion and Ventilation require ments page 6 1 Properly locate logs see Installing Logs page 17...

Page 27: ...leaning and Maintenance page 21 1 Locate and correct all leaks see Checking Gas Con nections page 16 2 Replace control valve 1 Take apart gas tubing and remove foreign matter 2 Locate and correct all leaks see Checking Gas Con nections page 16 OBSERVED PROBLEM Heater produces unwanted odors Heater shuts off in use ODS operates Gas odor even when control knob is in OFF position Gas odor during comb...

Page 28: ...www fmiproducts com 124702 01E 28 PARTS REMOTE READY BASE ASSEMBLY FOR HD18NRB HD18PRB HD24NRB AND HD24PRB 20a 20b 20c 20d 20e 20f 17 10 3a 19 6 12 1 3b 1 2 1 15 16 5 14 7 2 18 4 13 8 9 11 ...

Page 29: ...tension HI LO 1 13 103784 02 Knob Extension ON OFF 1 14 126356 01 Grate 1 15 120783 01 Burner NG 1 120786 02 Burner LP 1 16 Log Base 1 17 124934 01 Heat Shield 1 18 117004 01 Pilot Shield 1 19 124699 01 Inlet Tube 1 20 124532 01 18 Log Set 1 124532 02 24 Log Set 1 20a 124673 01 Front Log 1 124674 01 Front Log 1 20b 124673 02 Center Log 1 124674 02 Center Log 1 20c 124673 03 Rear Log 1 124674 03 Re...

Page 30: ...SWITCH GWMT1 For all Remote Ready Models The desired comfort setting can be selected on the wall thermostat and the log heater will auto matically cycle from pilot to the heat setting selected WALL MOUNT ON OFF SWITCH GWMS2 For all Remote Ready Models Allows the gas log heater to be turned on and off with a wall switch DAMPER CLAMP GA6080 For Remote Ready and Variable Manually Controlled Models Pe...

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Page 32: ...is product and or FMI PRODUCTS LLC who will provide original factory replacement parts Failure to use original factory replacement parts voids this warranty Travel handling transportation diagnostic material labor and incidental costs associated with warranty repairs unless expressly covered by this warranty are not reimbursable under this warranty and are the responsibility of the owner Excluded ...

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