Summary of the content on the page No. 1
UNVENTED (VENT-FREE)
UNIVERSAL FIREBOX
OWNER’S OPERATION AND INSTALLATION MANUAL
CGFB32C
®
Circulating
Louvered
Summary of the content on the page No. 2
UNVENTED (VENT-FREE) FIREBOX 5. You must operate this fireplace with the SAFETY LOCAL CODES provided fireplace screen (closed), INFORMATION hood, and brick liner in place. Make Install and use fireplace with care. Follow all sure these parts are in place before run- local codes. In the absence of local codes, use ning firebox. the latest edition of The National Fuel Gas WARNINGS Code ANS Z223.1, also known as NFPA 54*. 6. Do not allow fans to blow directly into Firebox must be electrically gro
Summary of the content on the page No. 3
OWNER’S MANUAL PRODUCT PRODUCT FEATURES SPECIFICATIONS OPERATION 1 35 /16" This firebox is designed to accept unvented decorative gas logs. It requires no outside venting or chimney making installation easy and inexpensive. When used without the 3 2 /4" blower the firebox requires no electricity making it ideal for emergency backup heat. BLOWER ACCESSORY The CGFB32C firebox will accept the Built-in 3 19 /8" GA3750 accessory. The variable blower Nailing 1 16 /4" allows you to select the fan speed
Summary of the content on the page No. 4
UNVENTED (VENT-FREE) FIREBOX PROVIDING ADEQUATE Confined and Unconfined Space LOCATING VENTILATION The National Fuel Gas Code (ANS Z2123.1, FIREBOX 1992 Section 5.3) defines a confined space The following are excerpts from National as a space whose volume is less than 50 Fuel Gas Code. NFPA 54/ANS Z223.1, Sec- PLANNING cubic feet per 1,000 Btu per hour (4.8 m3 tion 5.3, Air for Combustion and Ventilation. Plan where you will install the firebox. This per kw) of the aggregate input rating of all
Summary of the content on the page No. 5
OWNER’S MANUAL AIR FOR COMBUSTION AND VENTILATION Continued DETERMINING FRESH-AIR FLOW FOR FIREPLACE LOCATION Determining if You Have a Confined or Unconfined Space Use this worksheet to determine if you have a confined or unconfined space. Space: Includes the room in which you will install firebox 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 = _________________
Summary of the content on the page No. 6
UNVENTED (VENT-FREE) FIREBOX AIR FOR 12" COMBUSTION AND VENTILATION Ventilation Continued Ventilation Grills Grills VENTILATION AIR Into Adjoining Room, Into Adjoining Or Option 2 Room, Ventilation Air From Inside Remove Option 1 Door into Building Adjoining This fresh air would come from an adjoining Room, unconfined space. When ventilating to an Option adjoining unconfined space, you must pro- 3 vide two permanent openings: one within 12" of
Summary of the content on the page No. 7
OWNER’S MANUAL Note: Your Comfort Glow firebox is de- Mantel Clearances for INSTALLATION signed to be used in zero clearance installa- Conventional Installation tions. Wall or framing material can be placed NOTICE: This firebox in combi- directly against any exterior surface on the nation with unvented logsets are MINIMUM rear, sides, or top of your firebox, except Note: Clearances intended for use as supplemen- CLEARANCE where standoff spacers are integrally at- are the same if tal heat. Do not
Summary of the content on the page No. 8
UNVENTED (VENT-FREE) FIREBOX Built-In Installation of Blower INSTALLING LOG HEATER IN INSTALLATION Accessory FIREBOX Continued 1. Install blower assembly per instruction CAUTION: Do not pick up log sheet included. INSTALLING BLOWER base assembly by burners. This 2. Before replacing bottom of firebox, ACCESSORY could damage burners. Only remove screw holding duplex outlet to handle base by grates. You may install blower accessory GA3750 the support bracket in the bottom of with conventional inst
Summary of the content on the page No. 9
OWNER’S MANUAL 1. Assemble cabinet mantel, hearth base, 9. Attach flexible gas line to log set. See INSTALLATION and perimeter trim (Included with man- Connecting to Gas Supply in your log Continued tel). Assembly instructions are included set owner’s manual. with each accessory. 10. If installing GA3750 blower, route INSTALLING FIREPLACE 2. If using an optional GA3750 blower, blower electrical cord through bushing SCREEN install a properly grounded, 120 volt in right side firebox support and bu
Summary of the content on the page No. 10
UNVENTED (VENT-FREE) FIREBOX 1. Frame in rough opening. Use dimen- 3. Carefully set firebox in front of rough INSTALLATION sions shown in Figure 16 for the rough opening with back of firebox inside wall Continued opening. If installing in a corner, use opening. IMPORTANT: If installing dimensions shown in Figure 17 for the Brass Trim Kit GA7090, see instructions rough opening. The height is 33", included with brass trim accessory. You which is the same as the wall opening must install shoulder s
Summary of the content on the page No. 11
OWNER’S MANUAL TECHNICAL ACCESSORIES SERVICE Purchase these fireplace accessories from your local dealer. If they can not supply You may have further questions about in- these accessories, call DESA International’s stallation, operation, or troubleshooting. If Sales Department at 1-800-432-2382 for so, contact DESA International’s Technical
Summary of the content on the page No. 12
UNVENTED (VENT-FREE) FIREBOX ILLUSTRATED PARTS 14 BREAKDOWN CGFB32C 15 5 1 2 7 15 15 4 17 3 17 11 16 2 15 15 17 12 13 10 15 19 9 8 6 18 103573 12
Summary of the content on the page No. 13
OWNER’S MANUAL This list contains replaceable parts used in your firebox. When ordering parts, follow the PARTS LIST instructions listed under Replacement Parts on page 11 of this manual. FIREBOX KEY CGFB32C NO. PART NUMBER DESCRIPTION QTY. CGFB32C 1 101872-03 Firebox Top 1 2 101889-01 Firebrick Retainer 3 3 101929-03 Rear Firebrick 1 4 101932-03 Side Firebrick 2 5 103207-01 Outer Casing 1 6 103208-01 Outer Shell Base 1 7 103245-01 Firebox Wrapper 1 8 103297-01 Assembly Screen 2 9 M12461-2 Screw
Summary of the content on the page No. 14
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 warranty. We make no other warranty, expressed or implied. LIMITED WARRANTY COMFORT GLOW VENT-FREE RESIDENTIAL GAS HEATERS DESA Intern
