Desa FVFM27NR User's Manual
Contents
1. Ventilation Grills Into Adjoining Room Option 2 ee aes B Figure 2 Ventilation Air from Inside Building AN Ventilated Attic Inlet Air To Attic Inlet Air Ventilated Crawl Space Figure 3 Ventilation Air from Outdoors 105223 INSTALLATION NOTICE This heater is intended for use as supplemental heat Use this heater along with your pri mary heating system Do not in stall this heater as your primary heat source If you have a central heating system you may run system s circulating blower while using log heater This will help circulate the heat from your log heater throughout the house In the event of a power outage you can use this heater as your pri mary heat source Ay WARNING A qualified ser vice person must install heater Follow all local codes NOTICE State or local codes may only allow operation of this appli ance in a vented configuration Check your state or local codes A WARNING Before installing in a solid fuel burning fireplace the chimney flue and firebox must be cleaned of soot creosote ashes and loose paint by a quali fied chimney cleaner Creosote will ignite if highly heated A dirty chimney flue may create and dis tribute soot within the house In spect chimney flue for damage If damaged operate heater with flue damper closed A WARNING Seal any fresh air vents or ash clean out2. 2 Cap off open end of gas pipe where manual shutoff valve was connected 3 Pressurize supply piping system by ei ther using compressed air or opening main gas valve located on or near gas meter 4 Check all joints of gas supply piping system Apply mixture of liquid soap and water to gas joints Bubbles form ing show a leak 5 Correct all leaks at once 6 Reconnect heater and manual shutoff valve to gas supply Check reconnected fittings for leaks Pressure Testing Heater Gas Connections 1 Open manual shutoff valve see Fig ure 14 2 Open main gas valve located on or near gas meter 3 Make sure control knob of heater is in the OFF position 4 Check all joints from manual shutoff valve to control valve see Figure 15 Apply mixture of liquid soap and wa ter to gas joints Bubbles forming show a leak 5 Correct all leaks at once 6 Light heater see Operating Heater pages 14 through 16 Check all other internal joints for leaks 7 Turn off heater see To Turn Off Gas to Gas Meter Z Meck iG Appliance page 15 Manual Shutoff Valve Control Valve Location WS CERE Figure 15 Checking Gas Joints 105223 INSTALLATION Continued INSTALLING LOGS A WARNING Failure to posi tion the parts in accordance with these diagrams or failure to use only parts specifically approved with this heater may resultin prop er
3. 2 Inspect burner pilot and primary air inlet holes on injector holder for dust and dirt see Figure 26 3 Blow air through the ports slots and holes in the burner 4 Check the injector holder located at the end of the burner tube again Remove any large particles of dust dirt lint or pet hairs with a soft cloth or vacuum cleaner nozzle 5 Blow air into the primary air holes on the injector holder 6 Incase any large clumps of dust have now been pushed into the burner repeat steps 3 and 4 Clean the pilot assembly also A yellow tip on the pilot flame indicates dust and dirt in the pilot assembly There is a small pilot air inlet hole about two inches from where the pilot flame comes out of the pilot assembly see Figure 27 With the unit off lightly blow air through the air inlet hole You may blow through a drinking straw if compressed air is not available Injector Holder Burner May Be Brass Tube or Aluminum Depending on Model ARM Primary Air Inlet VE Holes Shape of Holes May Vary by Model Figure 26 Injector Holder On Outlet Burner Tube Ports Slots Pe Burner Tube Pilot Assembly Pilot Air Inlet Hole Figure 27 Pilot Inlet Air Hole LOGS e If you remove logs for cleaning refer to Installing Logs page 13 to properly re place logs e Replace log s if broken or chipped dime sized or larger 20 HEATER MAIN BURNER Periodically inspect all burner
4. For all models Allows the gas log heater to be turned on and off with a wall switch WIRING DIAGRAM Note For proper operation of optional accessories the wires from the switch to the control must be connected exactly as shown 21 REPLACEMENT PARTS Note Use only original replacement parts This will protect your warranty coverage for parts replaced under warranty PARTS UNDER WARRANTY Contact authorized dealers of this product If they can t supply original replacement part s call Fireplace Manufacturers Incorporated s Technical Service Depart mentat 1 888 427 8322 When calling Fire place Manufacturers Incorporated have ready e your name and address e model and serial numbers of your heater e how heater was malfunctioning e type of gas used propane LP or natural gas e purchase date Usually we will ask you to return the defec tive part to the factory PARTS NOT UNDER WARRANTY Contact authorized dealers of this prod uct If they can t supply original replace ment part s call Fireplace Manufactur ers Incorporated s Parts Department at 1 800 888 2050 for referral information When calling Fireplace Manufacturers Incorporated have ready e model number of your heater e the replacement part number Thermopile FIREPLACE MANUFACTURERS INCORPORATED UNVENTED NATURAL GAS LOG HEATER ILLUSTRATED PARTS BREAKDOWN FVFM27NR OWNER S MANUAL PA RTS LI ST
5. 1 Control knob not fully pressed in 2 Control knob not pressed in long enough W Manual shutoff valve not fully open 4 Pilot flame not touching thermocouple which allows thermocouple to cool causing pilot flame to go out This prob lem could be caused by one or both of the following A Low gas pressure B Dirty or partially clogged ODS pilot 5 Thermocouple connection loose at con trol valve Thermocouple damaged Control valve damaged en www desatech com 17 1 Press in control knob fully 2 After ODS pilot lights keep control knob pressed in 30 seconds 3 Fully open manual shutoff valve 4 A Contact local natural gas company B Clean ODS pilot see Cleaning and Maintenance page 20 or replace ODS pilot assembly 5 Hand tighten until snug then tighten 1 4 turn more 6 Replace thermocouple 7 Replace control valve Continued FIREPLACE MANUFACTURERS INCORPORATED UNVENTED NATURAL GAS LOG HEATER TROUBLESHOOTING Continued OBSERVED PROBLEM POSSIBLE CAUSE REMEDY Burner does not light after ODS pilot is lit 1 Burner orifice clogged 2 Inlet gas pressure is too low 3 Burner orifice diameter is too small 4 Thermopile leads disconnected or im properly connected 5 Burners will not come on in remote po sition 1 W Clean burner see Cleaning and Mainte nance page 20 or replace burner orifice Contact local natural gas company Replace burner orifice Re
6. AND VENTILATION Continued VENTILATION AIR Ventilation Air From Inside Building This fresh air would come from an adjoining unconfined space When ventilating to an adjoining unconfined space you must pro vide two permanent openings one within 12 of the ceiling and one within 12 of the floor on the wall connecting the two spaces see options 1 and 2 Figure 2 You can also remove door into adjoining room see op tion 3 Figure 2 Follow the National Fuel Gas Code NFPA 54 ANS Z223 1 Section 5 3 Air for Combustion and Ventilation for required size of ventilation grills or ducts AX WARNING Rework work sheet adding the space of the adjoining unconfined space The combined spaces must have enough fresh air to supply all appliances in both spaces Ventilation Air From Outdoors Provide extra fresh air by using ventilation grills or ducts You must provide two per manent 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 IMPORTANT Do not provide openings for inlet or outlet air into attic if attic has a thermostat controlled power vent Heated air entering the attic will activate the power vent Outlet Air Ventilation Grills Into Adjoining Room Option 1 SS 3S SS SS Or Remove Door into Adjoining Room Option O 3 Outlet Air
7. HEATER LOCATION Determining if You Have a Confined or Unconfined Space Use this work sheet to determine if you have a confined or unconfined space Space Includes the room in which you will install heater plus any adjoining rooms with doorless passageways or ventilation grills between the rooms 1 Determine the volume of the space length x width x height Length x Width x Height cu ft volume of space Example Space size 20 ft length x 16 ft width x 8 ft ceiling height 2560 cu ft volume of space If additional ventilation to adjoining room is supplied with grills or openings add the volume of these rooms to the total volume of the space 2 Divide the space volume by 50 cubic feet to determine the maximum Btu Hr the space can support volume of space 50 cu ft maximum Btu Hr the space can support Example 2560 cu ft volume of space 50 cu ft 51 2 or 51 200 maximum Btu Hr the space can support 3 Add the Btu Hr of all fuel burning appliances in the space Vent free heater _sC amp Btws Hr Example Gas water heater _C amp Btw r Gas water heater 40 000 Btu Hr Gas furnace __s Btw Hr Vent free heater 39 000 Btu Hr Vented gas heater Btu Hr Total 79 000 Btu Hr Gas fireplace logs __sC amp Btu Hrr Other gas appliances __Btu Hr Total Btu Hr Do not include direct vent gas appliances Direct vent draws combustion air from the outdoors and vents to the outdoors 4 Compare the maximum Btu H
8. appli ance must be installed only in a solid fuel burning fireplace with a working flue and constructed of noncombustible material 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 clear ance 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 or 2 above apply to you you must permanently open chimney flue damper You must install the damper clamp accessory to order see Accessories page 21 This will insure vented operation see Figure 10 The damper clamp will keep damper open Installation instructions are included with clamp accessory See chart below for minimum permanent flue opening you must provide Attach damper clamp so the minimum permanent flue opening will be maintained at all times Area of Various Standard Round Flues Diameter ins Area sq ins 5 20 sq inches 6 29 sq inches 7 39 sq inches 8 51 sq inches Chimney Minimum Permanent Height ft Flue Opening sq ins 6 to 15 15 to 30 39 sq inches 2 9 sq inches Damper Clamp Y Ler Damper Masonry Fireplace Figure 10 Attaching Damper Clamp INSTALLING HEATER BASE ASSEMBLY lt Damper A CAUTION Do
9. flame holes with the heater running All slotted burner flame holes should be open with yellow flame present All round burner flame holes should be open with a small blue flame present Some burner flame holes may be come blocked by debris or rust with no flame present If so turn off heater and let cool Either remove blockage or replace burner Blocked burner flame holes will create soot SPECIFICATIONS 27 Remote Ready Btu Variable 20 000 39 000 Type Gas Natural Gas Only Ignition Piezo Piezo Pressure Manifold 3 5 W C Inlet Gas Pressure in of water Maximum 10 5 Minimum a Shipping Weight 32 Ibs For input adjustment SERVICE HINTS When Gas Pressure Is Too Low e pilot will not stay lit e burners will have delayed ignition e heater will not produce specified heat When Gas Quality Is Bad e pilot will not stay lit e burners will produce flames and soot e heater will backfire when lit You may feel your gas pressure is too low or gas quality is bad If so contact your local natural gas supplier TECHNICAL SERVICE You may have further questions about in stallation operation or troubleshooting If so contact Fireplace Manufacturers Incorporated s Technical Service Depart ment at 1 888 427 8322 You can also visit DESA International s Technical Service web site at www desatech com 105223 ACCESSORIES Purchase these heater accessories from your local dealer If they can not sup
10. front top or sides of the heater in high traffic areas in windy or drafty areas Before installing in a solid fuel burn ing fireplace the chimney flue and fire box must be cleaned of soot creosote ashes and loose paint by a qualified chimney cleaner Creosote will ignite if highly heated Inspect chimney flue for damage If damaged operate heater with flue damper closed If fireplace has glass doors never op erate this heater with glass doors closed If you operate heater with doors closed heat buildup inside fireplace will cause glass to burst Also if fireplace open ing has vents at the bottom you must open the vents before operating heater You must operate this heater with fireplace screens in place Make sure fireplace screens are closed before running heater This log heater is designed to be smoke less If logs ever appear to smoke turn off heater and call a qualified service person Note During initial operation slight smoking could occur due to log curing and heater burning manufacturing residues To prevent the creation of soot follow the instructions in Cleaning and Main tenance page 20 Do not allow fans to blow directly into the fireplace Avoid any drafts that alter burner flame patterns Ceiling fans can create drafts that alter burner flame patterns Al tered burner patterns can cause sooting Before using furniture polish wax car pet cleaner or similar products turn heater off If heated
11. heater serviced Some people are more affected by carbon monoxide than others These include pregnant women people with heart or lung disease or anemia those under the influence of alcohol and those at high altitudes Natural Gas Natural gas is odorless An odor making agent is added to the gas The odor helps you detect a gas leak However the odor added to the gas can fade Gas may be present even though no odor exists Make certain you read and understand all Warnings Keep this manual for reference It is your guide to safe and proper operation of this heater WARNING Any changeto this heater or its controls can be dangerous 1 This appliance is only for use with the type of gas indicated on the rating plate This appliance is not convertible for use with other gases 2 Ifyou smell gas e shut off gas supply e do not try to light any appliance e do not touch any electrical switch do not use any phone in your building 10 11 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 This heater shall not be installed in a bedroom or bathroom unless installed as a vented appliance see Installing Damper Clamp Accessory page 10 Never install the heater e in a recreational vehicle where curtains furniture clothing or other flammable objects are less than 42 inches from the
12. knob coun terclockwise y to the PILOT position Press in control knob for five 5 seconds see Figure 20 Note You may be running this heater for the first time after hook ing up to gas supply If so the con trol knob may need to be pressed in for 30 seconds or more This will al low air to bleed from the gas system 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 press ing ignitor button until pilot lights Note If pilot does not stay lit con tact a qualified service person or gas supplier for repairs Until repairs are made light pilot with match To light pilot with match see Manual Light ing Procedure on page 15 Flame Adjustment Knob Ignitor Button Selector Switch Control Knob Figure 20 Control Knob and Ignitor Button Location Shown as Supplied No Control Options 14 105223 OPERATING HEATER Continued 8 10 11 Keep control knob pressed in for 30 seconds after lighting pilot After 30 seconds release control knob If control knob does not pop out when released contact a qualified service person or gas supplier for repairs Note If pilot goes out repeat steps 4 through 8 Slightly push in and turn control knob counterclockwise to the ON position pS Wait one minute and switch selector switch to the ON position to light burn ers Note AUTO is only funct
13. not remove the metal data plates attached to the heater base assembly The data plates contain important warranty information A WARNING You must secure this heater to fireplace floor If not heater will move when you adjust controls Moving heater may cause a gas leak A WARNING If installing in a sunken fireplace special care is needed You must raise the fire place floor to allow access to heater control panel This will in sure adequate air flow and guard against sooting Raise fireplace floor with noncombustible mate rial Make sure material is secure A CAUTION Do not pick up heater base assembly by the burner This could damage heater Only handle base assem bly by grates Damper __ Clamp Damper Manufactured Fireplace IMPORTANT Make sure the heater burner is level If heater is not level heater will not work properly Installation Items Needed e hardware package provided with heater e approved flexible gas hose not provided if allowed by local codes e sealant resistant to propane LP gas not provided e electric drill with 3 16 drill bit metal or masonry as applicable e flathead screwdriver 1 Apply pipe joint sealant lightly to male threads of the fitting to be threaded into gas control Connect approved flexible gas hose to gas control fitting in heater see Figure 11 page 11 IMPORTANT Hold gas fitting with wrench when connecting flexible gas hose
14. to in spect the room heater and to replace any part of the control system and any gas control which has been under water Do not operate heater if any log is bro ken Do not operate heater if a log is chipped dime sized or larger Turn heater off and let cool before ser vicing installing or repairing Make sure the remote selector switch is in the OFF position Only a qualified service person should install service or repair heater Make sure the remote selector switch is in the OFF position when you are away from your home for long periods of time This heater must not be connected to any external electrical source Operating heater above elevations of 4 500 feet may cause pilot outage 105223 PRODUCT IDENTIFICATION Optional Remote Control Optional Remote Selector Switch Adjustment Knob Figure 1 Product Identification 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 ANS Z223 1 also known as 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 Note Where listed vented decorative logs are required thermostat operation is not permitted 105223 Flame vA OWNER S MANUAL Log Set Base Assembly Control Knob UNPACKING A CAUT
15. 2 Locate two masonry screws in hard ware package 3 Place heater base in fireplace Place logs in their proper position on heater base 5 Center heater base and logs front to back and side to side in fireplace 6 Carefully remove logs without moving heater base 105223 INSTALLATION Continued 7 Mark screw locations through one hole on each side of the mounting flanges see Figure 12 If installing in a brick bottom fireplace mark screw locations in mortar joint of bricks 8 Remove heater base from fireplace Drill holes at marked locations using 3 16 drill bit 10 Attach base assembly to fireplace floor using two masonry screws in hardware package 11 Connect to gas supply See Connect ing To Gas Supply 12 Replace logs on heater base Flexible Gas Fitting Hose if allowed by local codes Figure 11 Attaching Flexible Gas Hose to Heater Mounting Flanges Figure 12 Attaching Base Assembly to Fireplace Floor 105223 OWNER S MANUAL CONNECTING TO GAS SUPPLY A WARNING A qualified ser vice person must connect heater to gas supply Follow all local codes Installation Items Needed Before installing heater make sure you have the items listed below piping check local codes sealant resistant to propane LP gas manual shutoff valve test gauge connection sediment trap tee joint e pipe wrench AnA G A design certified manual shutoff va
16. 8 and 12 Less than 8 Noncombustible material OK Install fireplace hood accessory HDABK or HDABR see Accessories page 21 Noncombustible material must be extended to at least 8 See Between 8 and 12 above If you cannot extend material you must operate heater with flue damper open Heat Resistant Material Figure 5 Heat Resistant Material Slate Marble Tile etc Above Fireplace 105223 INSTALLATION Continued MANTEL CLEARANCES In addition to meeting noncombustible ma terial clearances you must also meet required clearances between fireplace open ings and mantel shelf on each side of the fireplace If you do not meet the clearances listed below you will need a hood Determining Minimum Mantel Clearance If you meet minimum clearance between mantel shelf and top of fireplace opening a hood is not required see Figure 6 Determining Minimum Mantel Clearance When Using a Hood If minimum clearances in Figure 6 are not met you must have a hood When using a hood there are still certain minimum mantel clearances required Follow minimum clear ances shown in Figure 7 when using hood NOTICE If your installation does not meet the minimumclearances shown you must do one of the following operate the logs only with the flue damper open e raise the mantel to an accept able height e remove the mantel FLOOR CLEARANCES A Ifinstalling appliance on the f
17. CTURERS INCORPORATED UNVENTED NATURAL GAS LOG CLEANING AND MAINTENANCE AX WARNING Turn off heater and let cool before cleaning A CAUTION You must keep control areas burner and circu lating air passageways of heater clean Inspect these areas of heater before each use Have heater inspected yearly by a quali fied service person Heater may need more frequent cleaning due to excessive lint from carpeting pet hair bedding material etc CLEANING BURNER INJECTOR HOLDER AND PILOT AIR INLET HOLE The primary air inlet holes allow the proper amount of air to mix with the gas This provides a clean burning flame Keep these holes clear of dust dirt and lint Clean these air inlet holes prior to each heating season Blocked air holes will create soot We rec ommend that you clean the unit every 2 500 hours of operation or every three months We also recommend that you keep the burner tube and pilot assembly clean and free of dust and dirt To clean these parts we recommend using compressed air no greater than 30 PSI Your local computer store hardware store or home center may carry compressed air in a can You can use a vacuum cleaner in the blow position 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 damage the pilot assembly 1 Shut off the unit including the pilot Allow the unit to cool for at least thirty minutes
18. Design Certified Manual Shutoff Valve With 1 8 NPT Tap Approved Flexible Gas Hose if allowed by local codes Figure 13 Gas Connection Minimum inlet pressure for purpose of input adjustment 11 From Gas Meter 5 W C to 10 5 W C Pressure Sediment Trap Continued FIREPLACE MANUFACTURERS INCORPORATED HEATER UNVENTED NATURAL GAS LOG INSTALLATION Test Pressures Equal To or Less Than Continued 1 2 PSIG a H 1 Close manual shutoff valve see Fig CHECKING GAS ure 14 CONNECTIONS 2 Pressurize supply piping system by ei ther using compressed air or opening A WARNING Test all gas pip main gas valve located on or near gas ing and connections for leaks merer after installing or servicing Cor 3 Check all joints from gas meter to rect all leaks at once manual shutoff valve see Figure 15 Apply mixture of liquid soap and wa ter to gas joints Bubbles forming show Ay WARNING Never use an a leak open flame to check for a leak 4 Correct all leaks at once Apply a mixture of liquid soap and water to all joints Bubbles Manual forming show a leak Correct all Shutoff Open leaks at once Valve Pressure Testing Gas Supply Piping System Test Pressures In Excess Of 1 2 PSIG Closed 1 Disconnect heater and its individual Figure 14 Manual Shutoff Valve manual shutoff valve from gas supply piping system Pressures in excess of 1 2 psig will damage heater regulator
19. ION Do not remove the metal data plates from the grate assembly The data plates contain important product information 1 Remove logs and heater base assem bly from carton Note Do not pick up heater base assembly by the burner This could damage heater Always handle base assembly by grate 2 Remove all protective packaging ap plied to logs and heater for shipment 3 Check all items for any shipping dam age If damaged promptly inform dealer where you bought heater PRODUCT FEATURES OPERATION This heater is clean burning It requires no outside venting There is no heat loss out a vent or up a chimney Heat is generated by realistic dancing yellow flames This heater is designed for vent free operation with flue damper closed It has been tested and ap proved to ANS Z21 11 2 standard for unvented heaters State and local codes in some areas prohibit the use of vent free heaters This heater may also be operated as a vented decorative ANS Z21 60 product by opening the flue damper non thermostat operation only APPLICATION These multisided logs are designed to be equally beautiful when viewed from any angle They are designed specifically for use in see through peninsula and island fireboxes with multiple openings You may also in stall this log heater in a standard firebox SAFETY PILOT This heater has a pilot with an Oxygen Depletion Sensor Shutoff System ODS The ODS pilot is a requ
20. This list contains replaceable parts used in your heater When ordering parts follow the instructions listed under Replacement Parts on page 21 of this manual FVFM27NR e Part Number DESCRIPTION 104676 01 Log Multi Sided 103779 01 ODS Pilot NG 098249 01 ODS Nut 104592 01 Burner Outlet Tube 098264 02 Male Connector 102843 01 Burner Clip 099056 16 Burner Orifice Injector 104591 01 Burner 100609 01 Pilot Tube Regulator to Pilot 103781 01 Gas Control Valve 104611 01 Lower Bracket 098304 01 Screw 8 x 38 104590 01CK Painted Base Assy 098271 06 Ignitor Cable 102445 01 Piezo lgnitor 103587 02 Plate Switch 103784 02 Flame Adjustment Knob 103784 01 Off Pilot On Knob M12461 26 Screw Hex Slt Wsr 10 32 x 38 103284 02 Wiring Harness 099998 01 Switch 099918 02 Pilot Regulator 099387 15 Pilot Tube Valve to Regulator PARTS AVAILABLE NOT SHOWN 100563 01 Warning Plate 103877 01 Lighting Instructions Plate 100565 01 Warning Plate Fastener 100639 01 Caution Decal 101137 02 Hardware Kit 02016 Lava Rock ONOaARWND a Ce Se Ce CO Cs CO CNG ce Ce CO On CO en CE Mn OG 105223 23 WARRANTY INFORMATION KEEP THIS WARRANTY Model Serial No Date Purchased Always specify model and serial numbers when communicating with the factory We reserve the right to amend these specifications at any time without notice The only warranty applicable is our standard written warra
21. Wa Fireplace fie Manufacturers Incorporated Gene UNVENTED VENT FREE NATURAL GAS LOG HEATER ALSO DESIGN CERTIFIED AS A VENTED DECORATIVE APPLIANCE OWNER S OPERATION AND INSTALLATION MANUAL Multi Sided Log Design FVFM27NR Millivolt Remote Control Ready Model 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 e Donot try to light any appliance e 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 per formed by a qualified installer service agency or the gas supplier Patent Pending WARNING Improper installation ad justment alteration service or main tenance can cause injury or property damage Refer to this manual for cor rect installation and operational pro cedures For assistance or additional information consulta qualified installer service agency or the gas supplier WARNING This appliance is for in Sstallation only in a solid fuel burning masonry UL127 factory built fireplace or in an approved ven
22. and floors be tween wall ceiling joints be tween wall panels at penetra tions for plumbing electrical and gas lines and at other openings If your home meets all of the three criteria above you must provide ad ditional fresh air See Ventilation Air From Outdoors page 6 If your home does not meet all of the three criteria above proceed to Deter mining Fresh Air Flow For Heater Lo cation page 5 Confined and Unconfined Space The National Fuel Gas Code ANS Z223 1 1992 Section 5 3 defines a confined space as a space whose volume is less than 50 cubic feet per 1 000 Btu per hour 4 8 m per kw of the aggregate input rating of all appliances installed in that space and an unconfined space as a space whose volume is not less than 50 cubic feet per 1 000 Btu per hour 4 8 m per kw of the aggregate input rating of all appliances installed in that space Rooms communicating directly with the space in which the appliances are in stalled through openings not furnished with doors are considered a part of the unconfined space This heater shall not be installed in a con fined space or unusually tight construction unless provisions are provided for adequate combustion and ventilation air Adjoining rooms are communicating only if there are doorless passageways or ventila tion grills between them 105223 OWNER S MANUAL AIR FOR COMBUSTION AND VENTILATION Continued DETERMINING FRESH AIR FLOW FOR
23. bove both fireplace openings Noncom bustible materials such as slate marble tile etc must be at least 1 2 inch thick With sheet metal you must have noncom bustible material behind it Noncombus tible material must extend at least 8 up for all models If noncombustible material is less than 12 you must install the fireplace hood accessory See Figure 5 at right for minimum clearances IMPORTANT If you cannot meet these minimum clearances you must operate heater with chimney flue damper open see Install ing Damper Clamp Accessory page 10 If Using Mantel You must have noncombustible material s above the fireplace opening Noncombus tible materials such as slate marble tile etc must be at least 1 2 inch thick With sheet metal you must have noncombustible material behind it Noncombustible mate rial must extend at least 8 inches up for all models If noncombustible material is less than 12 you must install the fireplace hood accessory Even if noncombustible material is more than 12 you may need the hood acces sory to deflect heat away from your mantel shelf See Figure 5 this page and Figures 6 and 7 page 9 for minimum clearances IMPORTANT If you cannot meet these minimum clearances you must operate heater with chimney flue damper open see Install ing Damper Clamp Accessory page 10 Noncombustible Material Distance A Requirements for Safe Installation 12 or more Between
24. connect leads see Wiring Diagram page 21 Replace battery in transmitter and re ceiver Delayed ignition burner 1 Manifold pressure is too low 2 Burner orifice clogged Contact local natural gas company Clean burner see Cleaning and Mainte nance page 20 or replace burner orifice Burner backfiring during combustion 1 Burner orifice is clogged or damaged Damaged burner Gas regulator defective Wn Wn Clean burner see Cleaning and Mainte nance page 20 or replace burner orifice Replace damaged burner Replace gas control Slight smoke or odor during initial operation 1 Not enough air Gas regulator defective Residues from manufacturing processes and logs curing Wn Wn Check burner for dirt and debris If found clean burner see Cleaning and Maintenance page 20 Replace gas control Problem will stop after a few hours of operation Moisture condensation noticed on windows 1 Not enough combustion ventilation air Refer to Air for Combustion and Venti lation requirements page 4 Heater produces a whistling noise when burner is lit 1 Turning control knob to HI position when burner is cold 2 Air in gas line 3 Air passageways on heater blocked 4 Dirty or partially clogged burner orifice Turn control knob to LO position and let warm up for a minute Operate burner until air is removed from line Have gas line ch
25. doors lo cated on floor or wall of fireplace If not drafting may cause pilot outage or sooting Use a heat resistant sealant Do not seal chimney flue damper 105223 OWNER S MANUAL AX WARNING Never install the heater in a bedroom or bathroom un less installed as a vented ap pliance see page 10 in a recreational vehicle where curtains furniture clothing or other flammable objects are less than 42 inches from the front top or sides of the heater in high traffic areas e in windy or drafty areas A CAUTION This heater cre ates warm air currents These currents move heat to wall sur faces next to heater Installing heater next to vinyl or cloth wall coverings or operating heater where impurities such as to bacco smoke aromatic candles cleaning fluids oil or kerosene lamps etc in the air exist may discolor walls IMPORTANT Vent free heaters add mois ture to the air Although this is beneficial installing heater in rooms without enough ventilation air may cause mildew to form from too much moisture See Air for Com bustion and Ventilation pages 4 through 6 CHECK GAS TYPE Use only natural gas If your gas supply is not natural gas do not install heater Call dealer where you bought heater for proper type heater INSTALLATION AND CLEARANCES Vent Free Operation Only AX WARNING Maintain the mini mum clearances If you can pro vide greater c
26. ecked by local natural gas company Observe minimum installation clear ances see pages 7 through 9 Clean burner see Cleaning and Mainte nance page 20 or replace burner orifice White powder residue forming within burner box or on adjacent walls or furniture 1 When heated vapors from furniture pol ish wax carpet cleaners etc turn into white powder residue Turn heater off when using furniture polish wax carpet cleaners or similar products Remote does not function FHRC and FHRCT only 1 Battery is not installed Battery power is low www desatech com 18 Replace 9 volt batteries in receiver and remote control 105223 TROUBLESHOOTING Continued OWNER S MANUAL A WARNING If you smell gas Shut off gas supply Do not try to light any appliance e 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 Ifyoucannotreach your gas supplier call the fire department IMPORTANT Operating heater where impurities in air exist may create odors Cleaning supplies paint paint remover cigarette smoke cements and glues new carpet or textiles etc create fumes These fumes may mix with combustion air and create odors These odors will disappear over time OBSERVED PROBLEM POSSIBLE CAUSE REMEDY Heater produces a clicki
27. era tion mode being used when the sta tus button is pressed 4 To turn the burners off when operat ing in the manual mode press the OFF button If operating in the auto mode press the MAN button then press the OFF button The pilot will remain lit IMPORTANT To turn the pilot off manually turn the control knob on the heater to the OFF position Control Knob in On Position OFF REMOTE Ki a A Selector Switch in Remote Position Optional Remote Control Figure 22 Setting the Selector Switch Control Knob and Flame Adjustment Knob for Remote Operation Shows Temperature Setting 50000009E Allows burners to be turned on and off with the hand held remote unit QO The log heater will automatically cycle between pilot and the heat setting that has been selected Increases Room t Temperature TI Decreases Room Temperature lt 3 Turns Burners On and Off Shows Current Operation Mode Figure 23 Thermostat Hand Held Remote Control Unit Selections GHRCT Only INSPECTING BURNERS Check pilot flame pattern and burner flame patterns often PILOT FLAME PATTERN Figure 24 shows a correct pilot flame pat tern Figure 25 shows an incorrect pilot flame pattern The incorrect pilot flame is not touch ing the thermocouple This will cause the thermocouple to cool When the thermo couple cools the heater will shut down If pilot flame pat
28. her costs related to repairing a defective heater will be the responsibility of the owner TO THE FULL EXTENT ALLOWED BY THE LAW OF THE JURISDICTION THAT GOVERNS THE SALE OF THE PRODUCT THIS EXPRESS WARRANTY EXCLUDES ANY AND ALL OTHER EXPRESSED WARRANTIES AND LIMITS THE DURA TION OF ANY AND ALL IMPLIED WARRANTIES INCLUDING WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE TO FOUR 4 YEARS ON ALL COMPONENTS FROM THE DATE OF FIRST PURCHASE AND FIREPLACE MANUFACTURERS INCORPORATED S LIABILITY IS HEREBY LIMITED TO THE PURCHASE PRICE OF THE PRODUCT AND FIREPLACE MANUFACTURERS INC SHALL NOT BE LIABLE FOR ANY OTHER DAMAGES WHATSOEVER INCLUDING INDIRECT INCIDENTAL OR CONSEQUENTIAL DAMAGES Some states do not allow a limitation on how long an implied warranty lasts or an exclusion or limitation of incidental or consequential damages so the above limitation on implied warranties or exclusion or limitation on damages may not apply to you This warranty gives you specific legal rights and you may also have other rights that vary from state to state For information about this warranty write Fireplace Manufacturers wy incorporated re st amp Eaceleni 2701 South Harbor Boulevard Santa Ana CA 92704 www desatech com Il l l 105223 01 105223 01 05223 0 Rev B NOT A UPC 04 99
29. ional when using FWMT1 or FWMS2 op tional accessories Set flame adjustment knob to any level between HI and LO A CAUTION Donottry to adjust heating levels by using the manual shutoff valve ON position AX WARNING Make sure the selector switch is in the OFF po sition when you are away from home for long periods of time Heater will come on automati cally with selector switch in the Pilot Burner Figure 21 Pilot 105223 OWNER S MANUAL zi TO TURN OFF GAS TO APPLIANCE Shutting Off Heater 1 2a 2b Turn control knob clockwise X to the OFF position Set selector switch in the OFF position If Using Optional Hand Held Re mote Set selector switch in the OFF position to keep from draining battery Shutting Off Burners Only pilot stays lit You may shut off the burners and keep the pilot lit by doing one of the following 1 2 3 1 Turn control knob clockwise N to the PILOT position Use remote control manual OFF button Set selector switch in the OFF position a MANUAL LIGHTING PROCEDURE Follow steps 1 through 6 under Light ing Instructions page 14 Depress control knob and light pilot with match Keep control knob pressed in for 30 seconds after lighting pilot After 30 seconds release control knob Now follow steps 9 through 11 column 1 i OPTIONAL REMOTE OPERATION Note All remote control accessories must be purchased separa
30. ir must enter your home All fuel burning appliances need fresh air for proper com bustion and ventilation Exhaust fans fireplaces clothes dryers and fuel burning appliances draw air from the house to operate You must provide ad equate fresh air for these appliances This will insure proper venting of vented fuel burning appliances PROVIDING ADEQUATE VENTILATION The following are excerpts from National Fuel Gas Code NFPA 54 ANS Z223 1 Sec tion 5 3 Air for Combustion and Ventilation All spaces in homes fall into one of the three following ventilation classifications 1 Unusually Tight Construction 2 Unconfined Space 3 Confined Space The information on pages 4 through 6 will help you classify your space and provide adequate ventilation Unusually Tight Construction The air that leaks around doors and win dows may provide enough fresh air for combustion and ventilation However in buildings of unusually tight construction you must provide additional fresh air Unusually tight construction is de fined as construction where a walls and ceilings exposed to the outside atmosphere have a con tinuous water vapor retarder with a rating of one perm 6x10 kg per pa sec m or less with open ings gasketed or sealed and b weather stripping has been added on openable windows and doors and c caulking or sealants are applied to areas such as joints around window and door frames be tween sole plates
31. ired feature for vent free room heaters The ODS pilot shuts off the heater if there is not enough fresh air PIEZO IGNITION SYSTEM This heater has a piezo ignitor This system requires no matches batteries or other sources to light heater REMOTE CONTROL ACCESSORIES There are four optional remote controls that can be purchased separately for this log heater e Wall switch e wall thermostat e hand held on off remote e hand held thermostat remote See Accessories page 21 The wall thermostat or hand held thermo stat may not be used where vented decora tive listing is required FIREPLACE MANUFACTURERS INCORPORATED UNVENTED NATURAL GAS LOG HEATER AIR FOR COMBUSTION AND VENTILATION AX WARNING This heater shall not be installed ina confined space or unusually tight construction unless provisions are provided foradequate combustion and ven tilation air Read the following in structions to insure proper fresh air for this and other fuel burning appliances in your home Today s homes are built more energy effi cient than ever New materials increased insulation and new construction methods help reduce heat loss in homes Home own ers weather strip and caulk around windows and doors to keep the cold air out and the warm air in During heating months home owners want their homes as airtight as possible While it is good to make your home energy efficient your home needs to breathe Fresh a
32. l low these instructions exactly a fire or explosion may result caus ing property damage personal injury or loss of life A This appliance has a pilot which must be lighted by hand When lighting the pilot follow these instructions exactly B BEFORE LIGHTING smell all around the appliance area for gas Be sure to smell next to the floor because some gas is heavier than air and will settle on the floor WHAT TO DO IF YOU SMELL GAS Do not try to light any appliance Do not touch any electric switch do not use any phone in your building Immediately call your gas supplier from a neighbor s phone Follow the gas supplier s instructions If you cannot reach your gas sup plier call the fire department C Use only your hand to push in or turn the gas control knob Never use tools If the knob will not push in or turn by hand don t try to repair it call a qualified service technician or gas supplier Force or attempted repair may result in a fire or explosion D Do not use this appliance if any part has been under water Immediately call a qualified service technician to inspect the appliance and to replace any part of the control system and any gas control which has been un der water LIGHTING INSTRUCTIONS A warnine e If fireplace has glass doors never operate this heater with glass doors closed If you op erate heater with doors closed heat buildup inside fireplace will cause glass to bu
33. learances from floor ceiling and adjoining wall MINIMUM FIREPLACE CLEARANCE TO COMBUSTIBLE MATERIALS Log Size Side Wall Ceiling 27 16 42 LOG SIZING REQUIREMENTS Log Minimum Firebox Size Size Height Depth Width 27 17 19 32 Carefully follow the instructions below This will ensure safe installation into a masonry UL127 listed manufactured fireplace or listed vent free firebox Minimum Wall and Ceiling Clearances see Figure 4 A Clearances from the side of the fire place opening to any combustible wall should not be less than 16 inches B Clearances from the top of the fireplace opening to the ceiling should not be less than 42 inches Left and Right Sides Figure 4 Minimum Clearance to Walland Ceiling Continued FIREPLACE MANUFACTURERS INCORPORATED UNVENTED NATURAL GAS LOG HEATER INSTALLATION Continued NOTICE Manual control heaters may be used as a vented product If so you must always run heater with chimney flue damper open If running heater with damper open noncombustible material above fireplace opening is not needed Go to Installing Damper Clamp Accessory for Vented Op eration page 10 Minimum Noncombustible Material Clearances If Not Using Mantel Note If using a mantel proceed to f Using Mantel If not using a mantel follow the information below You must have noncombustible material s a
34. loor level you must maintain the minimum dis tance of 14 to combustibles see Fig ure 8 B If combustible materials are less than 14 to the fireplace you must install appliance at least 5 above the combus tible flooring see Figure 9 105223 OWNER S MANUAL Minimum Non Combustible Material Material Height Mantel Shelf Underside of Mantel Shelf All minimum distances are in inches 12 18 20 22 24 Top of Fireplace KH l Opening Minimum Non Distances to Combustible Underside of Mantel Figure 6 Minimum Mantel Clearances Without Using Hood Mantel Shelf Underside of Mantel Shelf Minimum Non gt Combustible Material All minimum distances are in inches Log Sets All Models 2 oe Top of Fireplace S v J Opening HDABK HDABR Combustible 14 Material Min kl l KAXXNAXNNNS Non Combustible Material Figure 8 Minimum Fireplace Clearances If Installed at Floor Level Distances to Underside of Mantel Figure 7 Minimum Mantel Clearances When Using Hood Ba Hearth Combustible 5 Material Figure 9 Minimum Fireplace Clearances Above Combustible Flooring Continued FIREPLACE MANUFACTURERS INCORPORATED UNVENTED NATURAL GAS LOG HEATER INSTALLATION Continued INSTALLING DAMPER CLAMP ACCESSORY FOR VENTED OPERATION Note When used as a vented heater
35. lve with 1 8 NPT tap is an acceptable alternative to test gauge connection A WARNING Never connect heater to private non utility gas wells This gas is commonly Installation must include a manual shutoff valve union and plugged 1 8 NPT tap Locate NPT tap within reach for test gauge hook up NPT tap must be upstream from heater see Figure 13 Apply pipe joint sealant lightly to male threads This will prevent excess sealant from going into pipe Excess sealant in pipe could result in clogged heater valves CAUTION Use pipe joint seal ant that is resistant to liquid pe troleum LP gas Install sediment trap in supply line as shown in Figure 13 Locate sediment trap where it is within reach for cleaning Locate sedi ment 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 installed wrong heater may not run properly known as wellhead gas A CAUTION Use only new black iron or steel pipe Inter nally tinned copper tubing may be used in certain areas Check your local codes Use pipe of 1 2 diameter or greater to allow proper gas volume to heater If pipe is too small undue loss of pressure will occur Ay CAUTION Avoid damage to control Hold gas fitting with wrench when connecting itto gas piping and or fittings A G A
36. ng ticking noise just after burner is lit or shut off 1 Metal expanding while heating or con tracting while cooling 1 This is common with most heaters If noise is excessive contact qualified ser vice person Heater produces unwanted odors Heater burning vapors from paint hair spray glues cleaners chemicals new carpet etc See IMPORTANT state ment above Gas leak See Warning statement at top of page Open window and ventilate room Stop using odor causing products while heater is running Locate and correct all leaks see Check ing Gas Connections page 12 Heater shuts off in use ODS operates Not enough fresh air is available Low line pressure ODS pilot is partially clogged Open window and or door for ventilation Contact local natural gas company Clean ODS pilot see Cleaning and Maintenance page 20 Gas odor even when control knob is in OFF position Gas leak See Warning statement at top of page Control valve defective Locate and correct all leaks see Check ing Gas Connections page 12 Replace control valve Gas odor during combustion 105223 Foreign matter between control valve and burner Gas leak See Warning statement at top of page www desatech com 19 Take apart gas tubing and remove for eign matter Locate and correct all leaks see Check ing Gas Connections page 12 FIREPLACE MANUFA
37. nty We make no other warranty expressed or implied LIMITED WARRANTY VENT FREE NATURAL GAS LOG HEATERS Fireplace Manufacturers Inc warrants this product to be free from defects in materials and components for four 4 years from the date of first purchase provided that the product has been properly installed operated and maintained in accordance with all applicable instructions There is no warranty on the batteries To make a claim under this warranty the Bill of Sale or cancelled check must be presented This warranty is extended only to the original retail purchaser This warranty covers the cost of part s required to restore this heater to proper operating condition and an allowance for labor when provided by a Fireplace Manufacturers Inc Authorized Service Center Warranty part s MUST be obtained through authorized dealers of this product and or Fireplace Manufacturers Inc who will provide original factory replacement parts Failure to use original factory replacement parts voids this warranty The heater MUST be installed by a qualified installer in accordance with all local codes and instructions furnished with the unit This warranty does not apply to parts that are not in original condition because of normal wear and tear or parts that fail or become damaged as a result of misuse accidents lack of proper maintenance or defects caused by improper installation Travel diagnostic cost labor transportation and any and all such ot
38. ply these accessories call Fireplace Manufacturers Incorporated s Parts Department at 1 800 888 2050 for referral information You can also write to the address listed on the back page of this manual Z FIREPLACE HOOD Black HDABK Part 01244 Brass HDABR Part 01245 Antique Brass GA6053 For all models Helps deflect heat away from mantel or wall above fireplace Fits openings 28 to 49 wide LAVA ROCK 02016 Not Shown For all models Order when additional rock is desired 3 Ib bag DAMPER CLAMP 02017 Not Shown Permanently opens chimney flue damper for vented operation Can be used only with non thermostat accessories RECEIVER AND HAND HELD THERMOSTAT REMOTE CONTROL KIT FHRCT PART 01994 For all models Allows the gas log heater to be operated in a manually or thermostati cally controlled mode You can turn the gas log heater on and off without ever leaving the comfort of your easy chair 105223 OWNER S MANUAL RECEIVER AND HAND HELD REMOTE CONTROL KIT FHRC PART 01995 For all models Allows the gas log heater to be turned on and off by using a hand held remote control WALL MOUNT THERMOSTAT SWITCH FWMT1 PART 01996 Not Shown For all models The desired comfort setting can be selected on the wall thermostat and the log heater will automatically cycle from pilot to the heat setting selected WALL MOUNT ON OFF SWITCH FWMS2 PART 01997 Not Shown
39. r the space can support with the actual amount of Btu Hr used Btu Hr maximum the space can support Btu Hr actual amount of Btu Hr used Example 51 200 Btu Hr maximum the space can support 79 000 Btu Hr actual amount of Btu Hr used The space in the above example is a confined space because the actual Btu Hr used is more than the maximum Btu Hr the space can support You must provide additional fresh air Your options are as follows A Rework worksheet adding the space of an adjoining room If the extra space provides an unconfined space remove door to adjoin ing room or add ventilation grills between rooms See Ventilation Air From Inside Building page 6 B Vent room directly to the outdoors See Ventilation Air From Outdoors page 6 C Install a lower Btu Hr heater if lower Btu Hr size makes room unconfined If the actual Btu Hr used is less than the maximum Btu Hr the space can support the space is an unconfined space You will need no additional fresh air ventilation A WARNING If the area in which the heater may be operated is smaller than that defined as an unconfined space or if the building is of unusually tight construction provide adequate combustion and ventilation air by one of the methods described in the National Fuel Gas Code ANS 2223 1 1992 Section 5 3 or applicable local codes Continued 105223 5 FIREPLACE MANUFACTURERS INCORPORATED UNVENTED NATURAL GAS LOG HEATER AIR FOR COMBUSTION
40. ration 2a Press the ON OFF button to turn the burners on and off When turning burners off the pilot will remain lit GHRCT Series Operation 2b Select the MAN manual or AUTO button on the hand held remote con trol unit see Figure 22 In manual mode turn burners on or off by pressing the ON or OFF buttons on the hand held remote control unit In auto mode the room tempera ture is controlled by the thermostat in the hand held remote control unit To increase the room tempera ture press the top arrow of the TEMP button To lower room the temperature press the bottom ar row of the TEMP button At higher settings the heater will run more IMPORTANT This remote control has been specially engineered to take an air temperature sample every 5 5 minutes in the auto mode It will not respond immediately to the tempera ture setting being turned up or down Continued FIREPLACE MANUFACTURERS INCORPORATED UNVENTED NATURAL GAS LOG HEATER OPERATING HEATER Continued IMPORTANT The hand held remote control unit must be near the heater Do not keep the hand held remote control unit too close to the heater The thermostat on the hand held re mote control unit will heat up too quickly and turn the heater off 3 Use the STATUS button on the hand held remote control unit to see the Flame Adjustment Knob operation mode being used and the temperature setting selected A red light will come on beside the op
41. rst Also if fireplace opening has vents at the bottom you must open the vents before operating heater You must operate this heater with afireplace screenin place Make sure fireplace screen is closed before running heater NOTICE During initial operation of new heater burning logs will give off a paper burning smell Open damper or window to vent smell This will only last a few hours Note Home owners generally prefer to operate their heater with the chimney damper closed This will put all the heat into the room However there may be times you will desire the full flames of the High heat setting but will find the heat output excessive You can open the chim ney damper if you have one fully or partially to release some of the heat AX WARNING Damper handle will be hot if heater has been running 1 STOP Read the safety information column 1 2 Make sure manual shutoff valve is fully open 3 Set switch to OFF position AX WARNING Burners will come on automatically within one minute when the selector switch is in the ON position after the pilot is lit Press in and turn control knob clock wise N to the OFF position Wait five 5 minutes to clear out any gas Then smell for gas including near the floor If you smell gas STOP Follow B in the safety in formation column 1 If you don t smell gas go to the next step Press in and turn control
42. t This can damage ODS pilot unit POSSIBLE CAUSE REMEDY When ignitor button is pressed there is no spark at ODS pilot 1 Ignitor electrode not connected to igni tor cable 2 Ignitor cable pinched or wet 3 Piezo ignitor nut is loose 4 Broken ignitor cable 5 Bad piezo ignitor 6 Ignitor electrode broken 7 Ignitor electrode positioned wrong 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 piezo ignitor 7 Replace piezo ignitor When ignitor button is pressed there is spark at ODS pilot but no ignition 1 Gas supply turned off or manual shutoff valve closed 2 Control knob not in PILOT position 3 Control knob not pressed in while in PILOT position 4 Air in gas lines when installed 5 ODS pilot is clogged 6 Gas regulator setting is not correct 1 Turn on gas supply or open manual shutoff valve 2 Turn control knob to PILOT position 3 Press in control knob while in PILOT position 4 Continue holding down control knob Repeat igniting operation until air is removed 5 Clean ODS pilot see Cleaning and Maintenance page 20 or replace ODS pilot assembly 6 Replace gas control ODS pilot lights but flame goes out when control knob is released 105223
43. tely see Accessories page 21 Follow instructions included with the remote control Thermostat Control Operation Optional FHRCT Only The thermostat control setting on the remote control unit can be set to any comfort level between HI and LO The burners will turn on and off automatically to maintain the comfort level you select The ideal comfort setting will vary by household depending upon the amount of space to be heated the output of the central heating system etc For wall thermostat operation follow in struction supplied with thermostat acces sory FWMT1 For wall switch operation follow instructions supplied with FWMS2 15 NOTICE You must light the pilot before using the hand held re mote control unit See Lighting Instructions on page 14 After lighting let pilot flame burn for about one minute Turn control knob to ON position Adjust flame adjust ment knob anywhere between HI and LO Slide the selector switch to the REMOTE position Note The burner may light if hand held remote ON button was on when selector switch was last turned off You can now turn the burners on and off with the hand held remote control unit IMPORTANT Be sure to press the ON OFF buttons on the hand held remote control unit for up to 3 sec onds to assure proper operation IMPORTANT Do not leave the se lector switch in the REMOTE posi tion when the pilot is not lit This will drain the battery GHRCT Series Ope
44. tern is incorrect as shown in Figure 25 e turn heater off see To Turn Off Gas to Appliance page 15 e see Troubleshooting pages 17 through 19 Pilot Burner Thermocouple Figure 24 Correct Pilot Flame Pattern Pilot Burner Figure 25 Incorrect Pilot Flame Pattern BURNER PRIMARY AIR HOLES Air is drawn into the burner through the holes in the fitting at the burner entrance These holes may become blocked with dust or lint Periodically inspect these holes for any blockage and clean if needed Blocked air holes will create soot MAIN BURNER Periodically inspect all burner flame holes with the heater running All slotted burner flame holes should be open with yellow flame present All round burner flame holes should be open with a small blue flame present Some burner flame holes may be come blocked by debris or rust with no flame present If so turn off heater and let cool Either remove blockage or replace burner Blocked burner flame holes will create soot 105223 TROUBLESHOOTING Note For additional help visit DESA International s Technical Service web site at www desatech com Note All troubleshooting items are listed in order of operation OBSERVED PROBLEM OWNER S MANUAL AX WARNING Turn off heater and letcool before servicing Only a qualified service person should service and repair heater A CAUTION Never use a wire needle or similar object to clean ODS pilo
45. the vapors from these products may create a white pow der residue within burner box or on adjacent walls or furniture 2 12 13 14 15 16 17 18 19 20 21 22 23 24 Do not use a blower insert heat ex changer insert or other accessory not approved for use with this heater This heater needs fresh outside air ven tilation to run properly This heater has an oxygen depletion sensor ODS pi lot light safety system The ODS shuts down the heater if not enough fresh air is available See Air for Combustion and Ventilation pages 4 through 6 If heater keeps shutting off see Trouble shooting pages 17 through 19 Do not run heater e where flammable liquids or vapors are used or stored e under dusty conditions Do not use this heater to cook food or burn paper or other objects Never place any objects on the heater Heater base assembly becomes very hot when running heater Keep children and adults away from hot surface to avoid burns or clothing ignition Heater will remain hot for a time after shutdown Allow surface to cool before touching Carefully supervise young children when they are in the room with heater When using the hand held remote ac cessory keep remote selector switch in the OFF position to prevent children from turning on burners with remote Do not use heater if any part has been exposed to or under water Immediately call a qualified service technician
46. tless firebox It is design certified for these installa tions in accordance with ANS Z21 11 2 Exceptions Do not install this appli ance in a factory built fireplace that includes instructions stating it has not been tested or should not be used with unvented gas logs WARNING 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 Air for Combustion and Ventilation section on page 4 of this manual This appliance may be installed in an aftermarket manufactured mobile home where not prohibited by state or local codes Aftermarket Completion of sale not for purpose of resale from the manufacturer Save this manual for future reference FIREPLACE MANUFACTURERS INCORPORATED UNVENTED NATURAL GAS LOG HEATER SAFETY INFORMATION A WARNINGS IMPORTANT Read this owner s manual carefully and completely before trying to assemble oper ate or service this heater Im proper use of this heater can cause serious injury or death from burns fire explosion electrical shock and carbon monoxide poisoning AX DANGER Carbon monoxide poisoning may lead to death Carbon Monoxide Poisoning Early signs of carbon monoxide poisoning re semble the flu with headaches dizziness or nausea If you have these signs the heater may not be working properly Get fresh air at once Have
47. ty damage or personal injury A CAUTION After installation and periodically thereafter check to ensure that no flame comes in contact with any log With the heater set to High check to see if flames contact any log If so re position logs according to the log installation instructions inthis manual Flames contacting logs will create soot Itis very important to install the logs exactly as instructed Do not modify logs Only use logs supplied with heater 1 Place bottom log 1 on grate to fit as illustrated in Figure 16 Make sure open areas of log set line up with burner ports see Figure 17 Log will fit securely on chassis IMPORTANT Make sure log does not cover any burner ports 2 Facing front of unit place top log 2 onto the pegs in the center of the bot tom log see Figure 18 3 Position log piece 3 by aligning holes on underside with remaining pegs on bottom log see Figure 19 4 Place lava rock on fireplace floor around base of heater 105223 OWNER S MANUAL Bottom Log 1 Burner Figure 18 Installing Top Log 2 Ke Log Piece 3 Peg Figure 16 Installing Bottom Log 1 Burner Logs Ports Figure 17 Installing Log set Top View Figure 19 Installing Log Piece 3 FIREPLACE MANUFACTURERS INCORPORATED UNVENTED NATURAL GAS LOG HEATER OPERATING HEATER FOR YOUR SAFETY READ BEFORE LIGHTING A WARNING If you do not fo
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