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UNVENTED (VENT-FREE) GAS LOG HEATER
OWNER'S OPERATION AND INSTALLATION MANUAL
Remote-Ready Models CRB3624(N,P)RA
Thermostatically-Controlled Models CSG3924(N,P)TB
Remote-Ready Models Also Design-Certified As Vented Decorative Appliances
WARNING: If the information in this manual is not
followed exactly, a fire or explosion may result causing
property damage, personal injury or loss of life.
— Do not store or use gasoline or other flammable
vapors and liquids in the vicinity of this or any other
appliance.
— WHAT TO DO IF YOU SMELL GAS
• Do not try to light any appliance.
• Do not touch any electrical switch; do not use any
phone in your building.
• Immediately call your gas supplier from a neighbor's
phone. Follow the gas supplier's instructions.
• If you cannot reach your gas supplier, call the fire
department.
— Installation and service must be performed by a quali-
fied installer, service agency or the gas supplier.
INSTALLER: Leave this manual with the appliance.
CONSUMER: Retain this manual for future reference.
Comfort
Comfort
For more information, visit www.fmiproducts.com
Flame
Flame
by FMI PRODUCTS, LLC
PFS
TM
®
US
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Related Manuals for FMI Comfort Flame CRB3624RA
Summary of Contents for FMI Comfort Flame CRB3624RA
- Page 1 Comfort Comfort Flame Flame by FMI PRODUCTS, LLC UNVENTED (VENT-FREE) GAS LOG HEATER OWNER’S OPERATION AND INSTALLATION MANUAL ® Remote-Ready Models CRB3624(N,P)RA Thermostatically-Controlled Models CSG3924(N,P)TB Remote-Ready Models Also Design-Certified As Vented Decorative Appliances 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.
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Page 2: Table Of Contents
TABLE OF CONTENTS Safety ..............2 Wiring Diagram ..........25 Unpacking............5 Troubleshooting ..........26 Product Identification ........... 5 Optional Positioning of Local Codes............5 Thermostat Sensing Bulb ......30 Optional Remote Control Accessories ....5 Specifications ............ 30 Product Features ..........6 Service Hints ............. - Page 3 SAFETY Continued WARNING: This product con- WARNING: Do not allow fans tains and/or generates chemicals to blow directly into the fireplace. known to the state of California Avoid any drafts that alter burner to cause cancer or birth defects flame patterns. Ceiling fans can or other reproductive harm.
- Page 4 SAFETY Continued 1. This appliance is only for use with the type 9. Before using furniture polish, wax, carpet of gas indicated on the rating plate. This cleaner or similar products, turn heater off. If appliance is not convertible for use with heated, the vapors from these products may other gases.
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Page 5: Unpacking
3. Check heater for any shipping damage. If information. heater is damaged call FMI PRODUCTS, LLC at 1-866-328-4537. Please do not 1. Remove logs and heater base assembly return it to the store. -
Page 6: Product Features
PRODUCT FEATURES OPERATION SAFETY DEVICE This heater is clean burning. It requires no This heater has a pilot with an Oxygen Deple- outside venting. There is no heat loss out a tion Sensing (ODS) safety shutoff system. The vent or up a chimney. Heat is generated by ODS/pilot is a required feature for vent-free both realistic flames and glowing coals. - Page 7 AIR FOR COMBUSTION AND VENTILATION Continued If your home meets all of the three criteria 2. Multiply the space volume by 20 to determine the maximum Btu/Hr the space can support. above, you must provide additional fresh air. See Ventilation Air From Outdoors, ________ (volume of space) x 20 = (Maxi- page 8.
- Page 8 AIR FOR COMBUSTION AND VENTILATION Continued Ventilation Air From Outdoors WARNING: If the area in which Provide extra fresh air by using ventilation the heater may be operated does grills or ducts. You must provide two perma- nent openings: one within 12" of the ceiling not meet the required volume for and one within 12"...
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Page 9: Installation
INSTALLATION NOTICE: This heater is intended WARNING: Seal any fresh for use as supplemental heat. air vents or ash clean-out doors Use this heater along with your located on floor or wall of fire- primary heating system. Do not place. If not, drafting may cause install this heater as your pri- pilot outage or sooting. - Page 10 INSTALLATION Continued CHECK GAS TYPE Example: The face of a mantel, bookshelf, etc. is made of combustible material and Use the correct type of gas (natural or propane/ protrudes 3 " from the wall. This com- LP). If your gas supply is not the correct gas bustible material must be 4"...
- Page 11 INSTALLATION Continued MINIMUM NONCOMBUSTIBLE If Using Mantel MATERIAL CLEARANCES You must have noncombustible material(s) above the fireplace opening. Noncombus- If Not Using Mantel tible materials (such as slate, marble, tile, Note: If using a mantel proceed to If Using etc.) must be at least 1/2" thick. With sheet Mantel.
- Page 12 INSTALLATION Continued FLOOR CLEARANCES Determining Minimum Mantel Clearance When Using a Hood A. If installing appliance on the floor level, If minimum clearances in Figure 6, page 11, are you must maintain the minimum distance not met, you must have a hood. When using of 14"...
- Page 13 INSTALLATION Continued INSTALLING HEATER BASE 2. State or local codes do not permit vent- free operation. ASSEMBLY 3. You prefer vented operation. WARNING: You must secure If reasons number 1 or 2 apply to you, you this heater to fireplace floor. If must permanently open chimney flue damper.
- Page 14 INSTALLATION Continued Masonry 1. Apply pipe joint sealant lightly to male Screw threads of gas fitting (provided). For Thermostatically-Controlled Models con- nect approved flexible gas hose to gas regulator of heater (see Figure 11). For Remote-Ready models connect approved flexible gas hose to inlet side of gas con- trol (see Figure 12).
- Page 15 INSTALLATION Continued Installation Items Needed IMPORTANT: Install equipment shutoff valve Before installing heater, make sure you have in an accessible location. The equipment the items listed below. shutoff valve is for turning on or shutting off the gas to the appliance. •...
- Page 16 INSTALLATION Continued CHECKING GAS CONNECTIONS We recommend that you install a sediment trap in supply line as shown in Figure 15, WARNING: Test all gas piping page 15, or Figure 16, depending on your model. Locate sediment trap where it is within and connections, internal and reach for cleaning.
- Page 17 INSTALLATION Continued Test Pressures Equal To or Less Than PRESSURE TESTING HEATER GAS 1/2 PSIG (3.5 kPa) CONNECTIONS 1. Close equipment shutoff valve (see Fig- 1. Open equipment shutoff valve (see Fig- ure 17). ure 17). 2. Pressurize supply piping system by either 2.
- Page 18 INSTALLATION Continued Front Left INSTALLING LOGS Rear Log WARNING: Failure to posi- tion the parts in accordance with these diagrams or failure to use only parts specifically approved with this heater may result in property damage or personal injury. Each log is marked with a number. These numbers will help you identify the log when Grate installing.
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Page 19: Operation
OPERATION THERMOSTAT-CONTROLLED MODELS FOR YOUR SAFETY WARNING: READ BEFORE LIGHTING • If fireplace has glass doors, never operate this heater with WARNING: If you do not fol- glass doors closed. If you op- low these instructions exactly, erate heater with doors closed, a fire or explosion may result heat buildup inside fireplace causing property damage, per-... - Page 20 OPERATION Continued THERMOSTAT-CONTROLLED MODELS TO TURN OFF GAS 6. With control knob pressed in, press and release ignitor button. This will light pilot. TO APPLIANCE The pilot is attached to the front burner. If 1. Turn control knob clockwise to the needed, keep pressing ignitor button until OFF position.
- Page 21 OPERATION Continued REMOTE-READY MODELS FOR YOUR SAFETY WARNING: READ BEFORE LIGHTING • If fireplace has glass doors, never operate this heater with WARNING: If you do not fol- glass doors closed. If you op- low these instructions exactly, erate heater with doors closed, a fire or explosion may result heat buildup inside fireplace causing property damage, per-...
- Page 22 OPERATION Continued REMOTE-READY MODELS WARNING: Burners will come WARNING: Make sure the on automatically within one minute selector switch is in the OFF when the selector switch is in the position when you are away from ON position after the pilot is lit. home for long periods of time.
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Page 23: Inspecting Burners
INSPECTING BURNERS Check pilot flame pattern and burner flame WARNING: If yellow tipping patterns often. occurs, your heater could pro- PILOT FLAME PATTERN duce increased levels of carbon Figure 28 shows a correct pilot flame pattern. monoxide. If front burner flame Figure 29 shows an incorrect pilot flame pat- pattern shows yellow tipping, tern. -
Page 24: Cleaning And Maintenance
CLEANING AND MAINTENANCE every three months during operation and WARNING: Turn off heater have heater inspected yearly by a qualified and let cool before cleaning. service person. We also recommend that you keep the burner tube and pilot assembly clean and free of dust CAUTION: You must keep and dirt. -
Page 25: Wiring Diagram
CLEANING AND MAINTENANCE Continued LOGS 4. Check orifice holder located at the end of the burner tube again. Remove any large • If you remove logs for cleaning, refer to particles of dust, dirt, lint or pet hair with Installing Logs, page 18, to properly replace a soft cloth or vacuum cleaner nozzle. -
Page 26: Troubleshooting
TROUBLESHOOTING WARNING: Turn off heater and let cool before servicing. Only a qualified service person should service and repair heater. CAUTION: Never use a wire, needle or similar object to clean ODS/pilot. This can damage ODS/pilot unit. Note: All troubleshooting items are listed in order of operation. OBSERVED PROBLEM POSSIBLE CAUSE REMEDY... - Page 27 TROUBLESHOOTING Continued OBSERVED PROBLEM POSSIBLE CAUSE REMEDY ODS/pilot lights but flame 1. Control knob not fully 1. Press in control knob fully goes out when control knob pressed in is released 2. Control knob not pressed in 2. After ODS/pilot lights, keep long enough control knob pressed in 30 seconds...
- Page 28 TROUBLESHOOTING Continued OBSERVED PROBLEM POSSIBLE CAUSE REMEDY Yellow flame in front burner 1. Not enough air 1. Check burner(s) for dirt during burner combustion and debris. If found, clean burner(s) (see Cleaning and Maintenance, page 24) 2. Gas regulator defective 2.
- Page 29 TROUBLESHOOTING Continued WARNING: If you smell gas • Shut off gas supply. • Do not try to light any appliance. • Do not touch any electrical switch; do not use any phone in your building. • Immediately call your gas supplier from a neighbor’s phone. Fol- low the gas supplier’s instructions.
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Page 30: Optional Positioning Of Thermostat Sensing Bulb
OPTIONAL POSITIONING OF THERMOSTAT SENSING BULB (Thermostat-Controlled Models Only) 3. The thermostat sensing bulb may be located to the lower right front side of FOR MASONRY AND FACTORY- fireplace. Place bulb in an area that will BUILT METAL FIREPLACE be close to room temperature when log If your log set cycles to pilot, but the room set is operating. -
Page 31: Service Hints
When calling, have ready: component, please do not return it to the store. • your name Call FMI PRODUCTS, LLC at 1-866-328-4537 • your address to answer questions and replace parts under • model and serial numbers of your heater warranty. -
Page 32: Parts
PARTS THERMOSTAT-CONTROLLED MODELS CSG3924NTB AND CSG3924PTB www.fmiproducts.com 124972-01C... - Page 33 PARTS THERMOSTAT-CONTROLLED MODELS This list contains replaceable parts used in your heater. When ordering parts, follow the instructions listed under Replacement Parts on page 31 of this manual. NO. PART NO. DESCRIPTION CSG3924NTB CSG3924PTB QTY. Ramp Burner Base • • 111435-01 Electronic Ignitor •...
- Page 34 PARTS REMOTE-READY VARIABLE CONTROL MODELS CRB3624NRA AND CRB3624PRA www.fmiproducts.com 124972-01C...
- Page 35 PARTS REMOTE-READY VARIABLE CONTROL MODELS This list contains replaceable parts used in your heater. When ordering parts, follow the instructions listed under Replacement Parts on page 31 of this manual. CRB3624NRA CRB3624PRA NO. PART NO. DESCRIPTION QTY. Ramp Burner Base •...
- Page 36 PARTS LOG MODELS CSG3924NTB, CSG3924PTB, CRB3624NRA, CRB3624PRA This list contains replaceable parts used in your heater. When ordering parts, follow the instructions listed under Replacement Parts on page 31 of this manual. PART NUMBER CSG3924NTB CSG3924PTB CRB3624NRA CRB3624PRA DESCRIPTION 121699-11 Front Right Log 121699-10 Front Left Log...
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Page 37: Accessories
ACCESSORIES Purchase these heater accessories from your local dealer. If they can not supply these accessories, call FMI PRODUCTS, LLC at 1-866-328-4537 for referral information. You ROOM TEMP can also write to the address listed on the back page of this manual. - Page 38 NOTES _____________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ _____________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ _____________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ www.fmiproducts.com 124972-01C...
- Page 39 NOTES _____________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ _____________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ _____________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ www.fmiproducts.com 124972-01C...
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Page 40: Warranty
This is FMI PRODUCTS, LLC’s exclusive warranty, and to the full extent allowed by law; this express war- ranty excludes any and all other warranties, express or implied, written or verbal and limits the duration of...
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