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FMI HDC18NRB, Manual

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FMI HDC18NRB Manual Download Page 24

www.fmiproducts.com

125968-01B

24

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 low. If 

so, contact your local propane/LP or natural 

gas supplier.

TECHNICAL SERVICE

You  may  have  further  questions  about 

installation,  operation  or  troubleshooting. 

If  so,  contact  FMI  PRODUCTS,  LLC  at 

1-866-328-4537. When calling please have 

your model and serial numbers of your 

heater ready.

You can also visit our web site at

 

www.fmiproducts.com.

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  PRODUCTS,  LLC  at 

1-866-328-4537.

When calling, have ready

•  your name

•  your address

•  model and serial numbers of your heater 

•  how heater was malfunctioning

•  type  of  gas  used  (propane/LP  or  natural 

gas)

•  purchase date

Usually, we will ask you to return the part to 

the factory.

f i r e - p a r t s . c o m

Summary of Contents for HDC18NRB

Page 1: ...ot 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 UNVENTED VEN...

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 fire...

Page 3: ...eep 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 fans can...

Page 4: ...ss 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 22 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 heater need...

Page 5: ...m 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 Park Quincy MA 02269 ...

Page 6: ... 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 appliances...

Page 7: ...imum 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 draws co...

Page 8: ...ls 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 provide ope...

Page 9: ...ater 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 cause milde...

Page 10: ...xample 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 material behi...

Page 11: ...inimum 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 listed bel...

Page 12: ... 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 number 1...

Page 13: ...al 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 Installing Logs page 16 5 Center heater base...

Page 14: ...as fireplace to private non utility gas wells This gas is commonly known as wellhead gas Installation Items Needed Before installing heater make sure you have the items listed below external regulator supplied by installer piping check local codes sealant resistant to propane LP gas equipment shutoff valve test gauge connection sediment trap tee joint pipe wrench A equipment shutoff valve with 1 8...

Page 15: ... and connections internal and external to unit for leaks after installing or servicing Correct all leaks at once WARNING Never use an open flame to check for a leak Applyanoncorrosiveleakdetec tion fluid to all joints Bubbles forming show a leak Correct all leaks at once CAUTION Make sure exter nal regulator has been installed between propane LP supply and heater See guidelines un der Connecting t...

Page 16: ... 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 INSTALLATION Continued 2 Pressurize supply piping system by either opening propane LP supply tank valve for propane LP gas or opening main gas v...

Page 17: ...Right Log Figure 19 Installing Middle Log 2 Place the middle log on base Holes in bottom of log must seat over pins on base as shown in Figure 19 3 Place the front log onto grate as shown in Figure 20 4 Place the top right log onto the rear middle and front logs as shown in Figure 21 The rear middle and front logs has notches for the top right log to set into You may have to move the front log fro...

Page 18: ...atch up the shape on the bottom of the top middle log with the notches in the rear and middle logs 6 Place the top left log onto the middle and front logs as shown in Figure 23 Make sure to match up the shape on the bot tom of the top left log with the notches in the middle and front logs 7 Final assembly is shown in Figure 24 Top Middle Log Log Notch Log Notch Front Log Notch Middle Log Rear Log ...

Page 19: ...s will come on automatically within one minute when the selector switchisintheONpositionafter the pilot is lit FOR YOUR SAFETY READ BEFORE LIGHTING WARNING If you do not fol low these instructions exactly a fire or explosion may result causing property damage per sonal injury or loss of life A This appliance has a pilot which must be lighted by hand When lighting the pilot follow these instruction...

Page 20: ...clockwise to the ON position 10 Wait one minute and switch selector switch to the ON position to light burners Note AUTO is only functional when using GWMT1 or GWMS2 optional ac cessories Figure 25 Control Knob and Ignitor Button Location Shown as Supplied No Control Options Flame Adjustment Knob Control Knob Ignitor Button Selector Switch in OFF Position 11 Set flame adjustment knob to any level ...

Page 21: ... blockage Blocked burner flame holes will create soot Check pilot flame pattern and burner flame patterns often PILOT FLAME PATTERN Figure 28 shows a correct pilot flame pattern Figure 29 shows an incorrect pilot flame pat tern The incorrect pilot flame is not touching the thermocouple This will cause the thermo couple to cool When the thermocouple cools the heater will shut down If pilot flame pa...

Page 22: ...pressed 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 30 and 31 Burner Tube Pilot Assembly ...

Page 23: ...oles will create soot CLEANING AND MAINTENANCE Continued WIRING DIAGRAM Thermopile SPECIFICATIONS HDC18PRB Rating 25 000 36 000 Btu hr Gas Type Propane LP Ignition Piezo Manifold Pressure 8 0 w c Inlet Supply Pressure inches of water Maximum 14 w c Minimum 11 w c HDC24PRB Rating 25 000 36 000 Btu hr Gas Type Propane LP Ignition Piezo Manifold Pressure 8 0 w c Inlet Supply Pressure inches of water ...

Page 24: ...at 1 866 328 4537 When calling please have your model and serial numbers of your heater ready You can also visit our web site at www fmiproducts com 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 PRODUCTS LLC at ...

Page 25: ...led 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 pilot a...

Page 26: ...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 22 or replace ODS pilot assembly 6 Hand tighten until snug then tighten 1 4 turn more 7 Replace pilot assembly 8 Replace control valve 1 Contact local...

Page 27: ... 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 22 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 16 2 Elim...

Page 28: ... and Maintenance page 22 1 Locate and correct all leaks see Checking Gas Con nections page 15 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 15 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 combus tion...

Page 29: ...WMT1 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 Permanentl...

Page 30: ... fmiproducts com 125968 01B 30 PARTS REMOTE READY BASE ASSEMBLY FOR HDC18NRB HDC18PRB HDC24NRB AND HDC24PRB 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 fire parts com ...

Page 31: ...5 Gas Valve NG 1 103781 06 Gas Valve LP 1 12 103784 01 Knob Extension 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 125960 01 18 Log Set 1 125960 02 24 Log Set 1 20a 125959 04 Rear Log 1 125959 05 Rear Log 1 20b 125959 03 Middle Log 1 ...

Page 32: ...ct 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 from thi...

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