Desa Tech CGF280NT manual

Shown with optional cabinet mantel and hearth base. Save this manual for future reference. ® WARNING: If the information in this manual is not followed exactly, a fire or explosion may result caus- ing 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 o[...]

2 102664 CONTENTS SECTION PAGE SAFETY INFORMA TION WARNING ICON G 001 W ARNINGS IMPORTANT: Read this owner’s manual carefully and completely before trying to assemble, operate, or service this fireplace. Improper use of this fireplace can cause serious injury or death from burns, fire, explosion, electrical shock, and carbon monoxide poisoning. W[...]

3 102664 SAFETY INFORMA TION Continued WARNING ICON G001 W ARNINGS Continued WARNING: Any change to this fireplace 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. If you smell gas • shut off gas supply • do not [...]

4 102664 PRODUCT IDENTIFICA TION Figure 1 - Log Base Assembly Figure 2 - Fireplace Top Louvered Hood Bottom Louver Assembly Screen Assembly Top Outer Casing Firebox Support Side Access Door Rear Access Door Base Rear Burner Right Front Branch (#5) Front Burner Front Log (#1) Left Front Branch (#4) Rear Log (#2) Gas Regulator[...]

5 102664 LOCAL CODES Install and use fireplace with care. Follow all local codes. In the absence of local codes, use the latest edition of The National Fuel Gas Code ANSI Z223, also known as NFPA 54*. *Available from: American National Standards Institute, Inc. 1430 Broadway New York, NY 10018 National Fire Protection Association, Inc. Batterymarch[...]

6 102664 AIR FOR COMBUSTION AND VENTILA TION WARNING ICON G 001 W ARNING This heater shall not be installed in a confined space unless provi- sions are provided for adequate combustion and ventilation air. Read the following instructions to insure proper fresh air for this and other fuel-burning appliances in your home. Today’s homes are built mo[...]

7 102664 AIR FOR COMBUSTION AND VENTILA TION Continued DETERMINING AIR FLOW FOR FIREPLACE 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 fireplace plus any adjoining rooms with doorless passageways or vent[...]

8 102664 AIR FOR COMBUSTION AND VENTILA TION Continued WARNING ICON G001 W ARNING If the area in which the heater may be operated is smaller than that defined as an unconfined space, provide adequate combus- tion and ventilation air by one of the methods described in the National Fuel Gas Code, ANSI Z223.1, 1992, Section 5.3. VENTILATION AIR Ventil[...]

9 102664 INST ALLING Continued NOTICE A qualified service person must install fireplace. Follow all local codes. WARNING ICON G001 W ARNING Never install the fireplace • in a bedroom or bathroom • in a recreational vehicle • where curtains, furniture, clothing, or other flammable objects are less than 36 inches from the front, top, or sides o[...]

10 102664 INST ALLING Continued ASSEMBLING AND ATTACHING BRASS TRIM Note: The instructions below show assembling and attaching brass trim to fireplace. Do not yet install trim if performing a built-in installation (see page 14, Built- In Fireplace Installation ) 1. Remove packaging from three pieces of brass trim. 2. Locate four brass screws, two a[...]

11 102664 INST ALLING Continued INSTALLATION CLEARANCES Note: Clearances are the same if using optional cabinet mantel or built-in installation. WARNING ICON G001 W ARNING Maintain the minimum clearances. If you can, provide greater clearances from floor, ceiling, and adjoining wall. Continued MINIMUM CLEARANCE Side Wall - 16 " Ceiling - 42&qu[...]

12 102664 INST ALLING Continued 2. Break off nailing flanges (see Figure 8) with hammer or pliers. 3. Place mantel and base in desired location. Place heater in front opening of mantel. Make sure all pieces fit properly. Remove mantel. 4. Mark floor and base or wall for gas line entrance. Make sure there is enough clearance between heater and mante[...]

13 102664 7. Carefully place fireplace on top of hearth base (Figure 11). Be careful not to scratch or damage hearth base. Note: You can secure fireplace to hearth or floor. Open lower louver. Locate screw holes in bottom of base. Secure with wood screws through these holes and into hearth or floor. 8. Connect fireplace to gas supply (see page 17).[...]

14 102664 INST ALLING Continued 39 3/8" 27 7/8" 55 5/8" 35 1/2" Figure 13 - Rough Opening for Installing in Corner If installing in a corner, use dimensions shown in Figure 13 for the rough opening. The height is 33" which is the same as the wall opening above. 2. Install gas piping to fireplace location. This installation [...]

15 102664 INST ALLING Continued Figure 14 - Attaching Fireplace to Wall Studs Nailing Flanges Mantel Clearances for Built-In Installation If placing mantel above built-in fireplace, you must meet minimum clearance between mantel shelf and top of fireplace opening. If your installation does not meet the above minimum clearances, you must: • raise [...]

16 102664 INST ALLING Continued INSTALLING GAS PIPING TO FIREPLACE LOCATION Installation Items Needed Before installing fireplace, make sure you have the items listed below. • piping (check local codes) • sealant (resistant to LP gas) • manual shutoff valve * • test gauge connection * • sediment trap • tee joint • pipe wrench • appr[...]

17 102664 INST ALLING Continued A.G.A. Design-Certified Manual Shutoff Valve With 1/8" NPT Tap* 3" Minimum From Gas Meter (5" W.C. to 10.5" W.C. Pressure) Approved Flexible Gas Line Tee Joint Pipe Nipple Cap Sediment Trap Figure 16 - Gas Connection Figure 17 - Removing Log Base Assembly From Fireplace Continued WARNING ICON G001[...]

18 102664 INST ALLING Continued 4. Route flexible gas line from manual shutoff valve into fireplace through side or rear access panel. Route flexible gas supply line through fireplace access door. Pressure Testing Gas Supply Piping System Test Pressures In Excess Of 1/2 PSIG 1. Disconnect fireplace and its individual manual shutoff valve from gas s[...]

19 102664 INST ALLING Continued Test Pressures Equal To or Less Than 1/2 PSIG 1. Close manual shutoff valve (see Figure 19). 2. Pressurize supply piping system by either using compressed air or opening main gas valve located on or near gas meter. 3. Check all joints from gas meter to manual shutoff valve (see Figure 20). Apply mixture of liquid soa[...]

20 102664 INST ALLING Continued INSTALLING LOGS Each log is marked with a number. These numbers will help you identify the log when installing. It is very important to install these logs exactly as instructed. Do not modify logs. Only use logs supplied with heater. 1. Slide front log (#1) into place behind front burner. Make sure tabs at bottom of [...]

21 102664 INST ALLING Continued 5. Install fireplace screen by slipping notches of fireplace screen over screws on front of fireplace (see Figure 24). Notches Screws for Mounting Screen Figure 24 - Installing Fireplace Screen WARNING ICON G001 W ARNING You must operate this fireplace with the fireplace screen in place. Make sure fireplace screen is[...]

22 102664 LIGHTING INSTRUCTIONS WARNING ICON G001 W ARNING You must operate this fireplace with the fireplace screen in place. Make sure fireplace screen is installed before running fireplace. NOTICE During initial operation of new fireplace, burning logs will give off a paper-burning smell. Orange flame will also be present. Open window to vent sm[...]

23 102664 8. Turn control knob counterclockwise C-clockwise to desired heating level. The burners should light. Set control knob to any heat level between HI and LO. CAUTION Do not try to adjust heating levels by using the manual shutoff valve. OPERA TING FIREPLACE Thermostat- Controlled Model Continued TO TURN OFF GAS T O APPLIANCE Shutting Off Fi[...]

24 102664 IGNITOR LIGHTING INSTRUCTIONS Figure 27 - Control Knob and Ignitor Button Location Figure 28 - Pilot WARNING ICON G001 W ARNING You must operate this fireplace with the fireplace screen in place. Make sure fireplace screen is installed before running fireplace. NOTICE During initial operation of new fireplace, burning logs will give off a[...]

25 102664 WARNING ICON G001 W ARNING Do not operate heater between pilot and high positions. T O TURN OFF GAS T O APPLIANCE OPERA TING FIREPLACE Manually-Controlled Model Continued WARNING ICON G001 CAUTION Do not try to adjust heating levels by using the manual shutoff valve. V ARIABLE CONTROL OPERA TION The variable control valve can be set to an[...]

26 102664 INSPECTING BURNERS Check pilot flame pattern and burner flame patterns often. PILOT FLAME PATTERN Figure 29 shows a correct pilot flame pattern. Figure 30 shows an incorrect pilot flame pattern. The incorrect pilot flame is not touching the thermocouple. This will cause the thermocouple to cool. When the thermocouple cools, the fireplace [...]

27 102664 CLEANING AND MAINTENANCE WARNING ICON G001 W ARNING Turn off fireplace and let cool before cleaning. OBSERVED PROBLEM When ignitor button is pressed, there is no spark at ODS/pilot WARNING ICON G001 CAUTION You must keep control areas, burners, and circulating air pas- sageways of fireplace clean. Inspect these areas of fireplace before e[...]

28 102664 TROUBLE- SHOOTING Continued REMEDY 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 Mainte- nance , page 27) or replace ODS/pi[...]

29 102664 TROUBLE- SHOOTING Continued OBSERVED PROBLEM One or both burners do not light after ODS/ pilot is lit Delayed ignition of one or both burners Burner backfiring during combustion Yellow flame in front burner during burner combustion Slight smoke or odor during initial operation Fireplace produces a whistling noise when burners are lit Mois[...]

30 102664 TROUBLE- SHOOTING Continued WARNING ICON G001 W ARNING 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. Follow the gas supplier’s instructions. • If you cannot[...]

31 102664 SER VICE HINTS When gas pressure is too low • pilot will not stay lit • burners will have delayed ignition • fireplace will not produce specified heat • propane/LP gas supply may be low When gas quality is bad • pilot will not stay lit • burners will produce flames and soot • fireplace will backfire when lit You may feel you[...]

32 102664 ILLUSTRA TED P ARTS BREAKDOWN Log Base Assembly V ariable Manually- Controlled Models 4 5 27 8 9 8 8 19 13 12 8 6 2 1 7 7-1 7-2 10 18 23 16 11 26 14 6 6 6 6 21 15 19 3 29 24 30 20 28 31 25 17 22 CGF265NV A[...]

33 102664 P ARTS LIST Log Base Assembly V ariable Manually- Controlled Models This list contains replaceable parts used in your fireplace. When ordering parts, follow the instructions listed under Replacement Parts on page 38 of this manual. CGF265NV A KEY NO. PART NUMBER DESCRIPTION QTY. 1 102230-02 Front Log (#1) 1 2 102231-02 Rear Log (#2) 1 3 1[...]

34 102664 ILLUSTRA TED P ARTS BREAKDOWN Log Base Assembly Thermostat- Controlled Models CFG280NT 18 6 4 5 27 8 9 8 8 19 13 12 2 1 7 7-1 7-2 10 16 11 26 14 3 6 6 6 6 22 25 23 19 24 13 7-2 20 15 28 21 17[...]

35 102664 P ARTS LIST Log Base Assembly Thermostat- Controlled Models This list contains replaceable parts used in your fireplace. When ordering parts, follow the instructions listed under Replacement Parts on page 38 of this manual. KEY NO. PART NUMBER DESCRIPTION QTY. 1 102230-02 Front Log (#1) 1 2 102231-02 Rear Log (#2) 1 3 11084-38 Screw 2 4 1[...]

36 102664 ILLUSTRA TED P ARTS BREAKDOWN Fireplace 1 2 3 4 5 6 15 6 10 11 9 18 17 12 16 16 16 16 7 8 14 16 16 16 19 13 13 13 CGF265NV A CGF280NT[...]

37 102664 P ARTS LIST Fireplace This list contains replaceable parts used in your fireplace. When ordering parts, follow the instructions listed under Replacement Parts on page 38 of this manual. CGF280NT CGF265NV A KEY NO. PART NUMBER DESCRIPTION QTY. 1 101357-01 Top Outer Casing 1 2 101373-01 Outer Casing 1 3 102923-01CB Right Front Side 1 4 1029[...]

38 102664 ACCESSORIES MANUAL SHUTOFF VALVE - GA5010 For all models. Manual shutoff valve with 1/8" NPT tap. Fits 1/2" NPT pipe. Purchase these fireplace accessories from your local dealer. If they can not supply these accessories, call DESA International’s Sales Department at 1-800-432-2382 for information. You can also write to the add[...]

39 102664 NOTES _________________________________________________________________ _________________________________________________________________ _________________________________________________________________ _________________________________________________________________ _________________________________________________________________ ____[...]

LIMITED WARRANTY COMFORT GLOW VENT-FREE NATURAL GAS FIREPLACE DESA International warrants this product to be free from defects in materials and components for one (1) year from the date of first purchase, provided that the product has been properly installed, operated and maintained in accordance with all applicable instructions. To make a claim un[...]