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Desa Comfort Glow CF26PTA Owner's Operation And Installation Manual

Unvented (vent-free) bay front gas log fireplace
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UNVENTED (VENT-FREE) BAY FRONT GAS LOG FIREPLACE
OWNER'S OPERATION AND INSTALLATION MANUAL
Patent Pending
f i r e - p a r t s . c o m
19,000 TO 26,000 BTU/HR THERMOSTAT CONTROL
WARNING: If the information in this manual is not fol-
lowed 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.
MODELS CF26PTA AND CF26NTA
For more information, visit www.desatech.com
Fireplace Shown With
Optional Mantel

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Summary of Contents for Desa Comfort Glow CF26PTA

  • Page 1 UNVENTED (VENT-FREE) BAY FRONT GAS LOG FIREPLACE OWNER’S OPERATION AND INSTALLATION MANUAL Patent Pending Fireplace Shown With Optional Mantel MODELS CF26PTA AND CF26NTA f i r e - p a r t s . c o m 19,000 TO 26,000 BTU/HR THERMOSTAT CONTROL WARNING: If the information in this manual is not fol- lowed exactly, a fire or explosion may result causing property damage, personal injury or loss of life.

  • Page 2: Table Of Contents

    TABLE OF CONTENTS Safety Information .......... Troubleshooting .......... Local Codes............4 Specifications ............ 6 Unpacking............4 Replacement Parts ..........6 Product Identification ........... 5 Parts Central............6 Product Features ..........5 Service Hints ............. 7 Air For Combustion and Ventilation ..... 5 Technical Service..........

  • Page 3: Safety Information

    SAFETY INFORMATION WARNING: Do not allow fans Continued to blow directly into the fireplace. Avoid any drafts that alter burner WARNING: This product con- flame patterns. Ceiling fans can tains and/or generates chemicals create drafts that alter burner known to the state of California flame patterns.

  • Page 4: Local Codes

    11. Do not run fireplace SAFETY INFORMATION • where flammable liquids or vapors are used Continued or stored. 1. This appliance is only for use with the type • under dusty conditions. of gas indicated on the rating plate. This ap- 12.

  • Page 5: Product Identification

    PRODUCT AIR FOR COMBUSTION IDENTIFICATION AND VENTILATION Fireplace WARNING: This heater shall Cabinet not be installed in a confined space or unusually tight con- struction unless provisions are provided for adequate combus- tion and ventilation air. Read the Brick following instructions to insure Liner proper fresh air for this and other fuel-burning appliances...
  • Page 6 AIR FOR COMBUSTION DETERMINING FRESH-AIR FLOW FOR FIREPLACE LOCATION AND VENTILATION Continued Determining if You Have a Confined or Unconfined Space Unusually Tight Construction Use this work sheet to determine if you have a The air that leaks around doors and windows confined or unconfined space.
  • Page 7 AIR FOR COMBUSTION AND VENTILATION 12" Continued Ventilation The space in the above example is a confined space Ventilation Grills Grills Into Adjoining Room, Into Adjoining because the actual Btu/Hr used is more than the maxi- Option 2 Room, Remove mum Btu/Hr the space can support.

  • Page 8: Installation

    You can recess firebox into the wall. You can also INSTALLATION position fireplace in the optional cabinet mantels. IMPORTANT: Only use optional cabinet mantels NOTICE: This heater is intended specified in this manual. Purchase the optional man- for use as supplemental heat. tel from your dealer (see Accessories, page 27).
  • Page 9 1. Frame in rough opening. Use dimensions shown INSTALLATION in Figure 5 for the rough opening. Continued If installing in a corner, use dimensions shown An optional blower kit is available from your in Figure 6 for the rough opening. The height dealer.
  • Page 10 INSTALLATION Nails or Wood Screws Continued 6. If the optional blower has been installed con- nect blower to electrical source. Route blower electrical cord Option one: through side or rear access door of fireplace. Plug electrical cord into electrical outlet. Have a licensed electrician con- Option two: nect blower to electrical source at junction box...
  • Page 11 INSTALLATION Slot Set Screws Continued Trim Mantel Shelf Note: All vertical Mitered measurements Shim 10" Edge are from top 8" Side of fireplace Adjusting Trim opening to 6" Plate bottom of " Slot mantel shelf. Figure 9 - Assembling Trim Minimum Non- OPTIONAL MANTEL INSTALLATION Combustible...
  • Page 12 INSTALLATION INSTALLING BLOWER ASSEMBLY GA3450TA Continued 3. Assemble trim kit. See Assembling Trim, CAUTION: Label all wires page 11. prior to disconnection when 4. Place trim on the shoulder screws located on servicing controls. Wiring errors the side and top of the fireplace. Firmly snap can cause improper and danger- the trim over the shoulder screws on fireplace (see Figure 13).
  • Page 13 by inserting it through the bushing on the INSTALLATION outer casing (see Figure 16). Plug fan kit into Continued 120-Volt grounded power supply and test 8. Insert the 4 wire harness into one of the round operation. Note: When switch is in the AUTO holes in the rear of the blower control shield position, the fan will start after the heater has and through the rectangular hole in the front...
  • Page 14 1. Install a snap bushing found in hardware kit INSTALLATION into one of the holes found on rear of blower Continued control shield. The other hole is for a strain relief clamp (not supplied) to secure incoming For Built-In Installation electrical supply.
  • Page 15 INSTALLATION Installation Items Needed Before installing fireplace, make sure you have Continued the items listed below. • external regulator (supplied by installer) Fan Switch (Auto/Off/On) • piping (check local codes) Auto Thermostat • sealant (resistant to propane/LP gas) Blue Switch (N.O.) •...
  • Page 16 CONNECTING FIREPLACE TO GAS INSTALLATION SUPPLY Continued Installation must include an equipment shutoff Installation Items Needed • Phillips screwdriver valve, union and plugged 1/8" NPT tap. Locate NPT tap within reach for test gauge hook up. NPT tap • sealant (resistant to propane/LP gas, not provided) must be upstream from heater (see Figure 20).
  • Page 17 4. Check all joints of gas supply piping system. INSTALLATION Apply noncorrosive leak detection fluid to all Continued joints. Bubbles forming show a leak. 3. Check all gas connections for leaks. See 5. Correct all leaks at once. Checking Gas Connections. 6.
  • Page 18 It is very important to install the logs exactly as INSTALLATION instructed. Do not modify logs. Only use logs Continued supplied with heater. PRESSURE TESTING HEATER GAS Place one-piece log set on grate to fit as illustrated CONNECTIONS in Figure 26. Make sure back section of log set is 1.

  • Page 19: Operating Fireplace

    4. Wait five (5) minutes to clear out any gas. OPERATING FIREPLACE Then smell for gas, including near the floor. If you smell gas, STOP! Follow “B” in the FOR YOUR SAFETY safety information, column 1. If you don’t READ BEFORE LIGHTING smell gas, go to the next step.

  • Page 20: Inspecting Burners

    Note: The correct pilot flame on natural gas units OPERATING FIREPLACE will have a slight curve, but flame should be blue Continued and have no yellow or orange color. TO TURN OFF GAS Pilot Burner Thermocouple TO APPLIANCE Shutting Off Heater Turn control knob clockwise to the OFF position.

  • Page 21: Cleaning And Maintenance

    INSPECTING BURNERS BURNER INjECTOR HOLDER AND PILOT AIR INLET HOLE Continued The primary air inlet holes allow the proper BURNER PRIMARY AIR HOLES amount of air to mix with the gas. This provides Air is drawn into the burner through the holes in a clean burning flame.

  • Page 22: Troubleshooting

    CLEANING AND Ports/Slots MAINTENANCE Continued Burner Clean the pilot assembly also. A yellow tip on the Tube pilot flame indicates dust and dirt in the pilot as- sembly. There is a small pilot air inlet hole about 2" from where the pilot flame comes out of the Pilot pilot assembly (see Figure 36).
  • Page 23 TROUBLESHOOTING Continued OBSERVED PROBLEM POSSIBLE CAUSE REMEDY When ignitor button is pressed, 1. Gas supply turned off or equip- 1. Turn on gas supply or open there is spark at ODS/pilot but ment shutoff valve closed equipment shutoff valve no ignition 2.
  • Page 24 TROUBLESHOOTING Continued OBSERVED PROBLEM POSSIBLE CAUSE REMEDY Delayed ignition of burner 1. Manifold pressure is too low 1. Contact local natural or pro- pane/LP gas company 2. Burner orifice(s) clogged 2. Clean burner(s) (see Cleaning and Maintenance, page 21) or replace burner orifice Burner backfiring during com- 1.
  • Page 25 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.

  • Page 26: Replacement Parts

    Kansas City, MO 64108-2195 Contact authorized dealers of this product. If KS, MO, AR they can’t supply original replacement part(s), 816-842-3911 call DESA Heating Products’ Technical Service www.washerparts.com Department at 1-866-672-6040. East Coast Energy When calling DESA Heating Products, have...

  • Page 27: Service Hints

    Available in a stained oak, 2-tone finish or an model and serial numbers of your heater ready. unfinished hardwood, ready to stain or paint. You can also visit DESA Heating Products’ techni- Complete assembly instructions included. Three- cal services web site at www.desatech.com.
  • Page 28 ILLUSTRATED PARTS BREAkDOWN MODELS CF26PTA AND CF26NTA f i r e - p a r t s . c o m www.desatech.com 113896-01D...
  • Page 29 PARTS LIST This list contains replaceable parts used in your heater. When ordering parts, follow the instructions listed under Replacement Parts on page 26 of this manual. NO. PART NO. DESCRIPTION QTY. 11334-01 Log Set • • 104033-03 Baffle, Rear •...
  • Page 30 ILLUSTRATED PARTS BREAkDOWN MODELS CF26PTA AND CF26NTA f i r e - p a r t s . c o m 20-1 11-1 20-2 20-3 11-2 www.desatech.com 113896-01D...
  • Page 31 PARTS LIST MODELS CF26PTA AND CF26NTA This list contains replaceable parts used in your fireplace. When ordering parts, follow the instructions listed under Replacement Parts on page 26 of this manual. PART NO. DESCRIPTION QTY. 10633-0 Outer Casing Top 1064-0 Outer Casing 09930-0 Shoulder Screw...

  • Page 32: Warranty Information

    VENT-FREE GAS BAY FRONT FIREPLACE DESA Heating Products warrants this product to be free from defects in materials and components for two (2) years from the date of first purchase, provided that the product has been properly installed, operated and maintained in accordance with all applicable instructions.

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Comfort glow cf26nta

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