Summary of the content on the page No. 1
OFF
N
O
AUTO
UNVENTED (VENT-FREE) NATURAL
GAS BAY FRONT FIREPLACE
OWNER’S OPERATION AND INSTALLATION
MANUAL
For more information, visit www.desatech.com For more information, visit www.desatech.com
CF26NR
19,000 to 26,000 Btu/Hr
Patent Pending
Remote Control Ready
Fireplace Shown
With Optional
Bay Front Mantel
WARNING: Improper installa-
WARNING: If the information in this manual is not
tion, adjustment, alteration, ser-
followed exactly, a fire or explosion may result caus-
vice, or maintenance
Summary of the content on the page No. 2
TABLE OF CONTENTS SAFETY INFORMATION 2 TABLE OF CONTENTS SAFETY INFORMATION ............................................................ 2 SPECIFICATIONS .................................................................... 20 PRODUCT IDENTIFICATION ..................................................... 3 WIRING DIAGRAM ................................................................... 20 LOCAL CODES ........................................................................... 3 TROUBLESHOOTING ...
Summary of the content on the page No. 3
AUTO ON OFF SAFETY INFORMATION 3 PRODUCT IDENTIFICATION 3 LOCAL CODES SAFETY INFORMATION Continued 13. Turn off and unplug fireplace and let cool before servicing. Only Keep the appliance area clear and free from combus- a qualified service person should service and repair fireplace. tible materials, gasoline, and other flammable vapors 14. Operating fireplace above elevations of 4,500 feet could cause and liquids. pilot outage. 15. Do not operate fireplace if any log is broken. Do not operate 1
Summary of the content on the page No. 4
UNPACKING 4 PRODUCT FEATURES REMOTE CONTROL ACCESSORIES AIR FOR COMBUSTION AND VENTILATION Providing Adequate Ventilation UNPACKING AIR FOR COMBUSTION AND 1. Remove and fireplace from carton. VENTILATION 2. Remove all protective packaging applied to fireplace for shipment. WARNING: This heater shall not be installed in a 3. Make sure your fireplace includes one hardware packet. confined space or unusually tight construction un- less provisions are provided for adequate combus- 4. Check fireplac
Summary of the content on the page No. 5
AIR FOR COMBUSTION AND VENTILATION 5 Providing Adequate Ventilation (Cont.) 5 Determining Fresh-Air Flow For Heater Location AIR FOR COMBUSTION AND VENTILATION Continued c. caulking or sealants are applied to areas such as 3. Add the Btu/Hr of all fuel burning appliances in the space. joints around window and door frames, between sole Vent-free heater _____________ Btu/Hr plates and floors, between wall-ceiling joints, between Gas water heater* _____________ Btu/Hr wall panels, at penetrations f
Summary of the content on the page No. 6
AIR FOR COMBUSTION AND VENTILATION Ventilation Air 6 INSTALLATION Check Gas Type AIR FOR COMBUSTION AND VENTILATION Continued VENTILATION AIR Ventilated Outlet Ventilation Air From Inside Building Attic Air This fresh air would come from an adjoining unconfined space. Outlet When ventilating to an adjoining unconfined space, you must Air To Attic provide 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
Summary of the content on the page No. 7
INSTALLATION 7 Locating Fireplace 7 Built-In Fireplace Installation INSTALLATION Continued LOCATING FIREPLACE Minimum Clearances For Side Combustible Material, Side Wall, and Ceiling WARNING: Maintain the minimum clearances A. Clearances from the side of the fireplace cabinet to any com- shown in Figure 4. If you can, provide greater clear- bustible material and wall should follow diagram in Figure 4. ances from floor, ceiling, and joining wall. Example: The face of a mantel, bookshelf, etc. is
Summary of the content on the page No. 8
AUTO ON OFF INSTALLATION Built-In Fireplace Installation (Cont.) 8 INSTALLATION Continued 2. An optional blower accessory is available (see Accessories, 8. Attach fireplace to wall studs using nails or wood screws page 31). There are two options for connecting blower to elec- through holes in nailing flange. trical source. 9. Check all gas connections for leaks. See Checking Gas Con- Option one: Have a licensed electrician install a properly nections, page 14. grounded, three-prong 120-volt elec
Summary of the content on the page No. 9
INSTALLATION 9 Mantel Clearances For Built-In Installation 9 Removing Brick Liner Retainer Assembling Brass Trim Optional Mantel Installation INSTALLATION Continued MANTEL CLEARANCES FOR BUILT-IN ASSEMBLING BRASS TRIM INSTALLATION (Brass trim shipped with mantel) 1. Remove packaging from three pieces of brass trim. NOTICE: Surface temperatures of adjacent walls and 2. Locate two adjusting plates with set screws, and two shims in mantels become hot during operation. Walls and the hardware packet.
Summary of the content on the page No. 10
AUTO ON OFF INSTALLATION Optional Mantel Installation (Cont.) 10 Installing Blower Assembly - GA3450T INSTALLATION Continued 3. Assemble brass trim kit. See Assembling Brass Trim, page 9. INSTALLING BLOWER ASSEMBLY - GA3450T 4. Place brass trim on the shoulder screws located on the side and top of the fireplace. Firmly snap the brass trim over the CAUTION: Label all wires prior to disconnection shoulder screws on fireplace (see Figure 13). when servicing controls. Wiring errors can cause improp
Summary of the content on the page No. 11
AUTO AUTO ON ON OFF OFF INSTALLATION 11 Installing Blower Assembly - GA3450T (Cont.) 11 INSTALLATION Continued 10. Install the switch plate on the blower control shield with 2 - For Built-In Installation #10 screws provided (see Figure 16). Route power cord out of the cabinet by inserting it through the bushing on the outer WARNING: A licensed electrician must connect casing (see Figure 15). Plug fan kit into 120-Volt grounded the wiring harness to electrical supply following all power supply a
Summary of the content on the page No. 12
INSTALLATION Installing Blower Assembly - GA3450T (Cont.) 12 Connecting To Gas Supply INSTALLATION Continued 4. A licensed electrician must follow the wiring diagram in Fig- CONNECTING TO GAS SUPPLY ure 18 to connect incoming electrical supply to fan kit wiring harness. WARNING: A qualified service person must con- 5. Test to make sure the blower is working properly. nect fireplace to gas supply. Follow all local codes. 6. Reinstall hood assembly (see page 9) and close lower louver door. 7. Pla
Summary of the content on the page No. 13
L I P F F O L AUTO ON OFF O INSTALLATION 13 Connecting To Gas Supply (Cont.) 13 Connecting Fireplace To Gas Supply INSTALLATION Continued Apply pipe joint sealant lightly to male NPT threads. This will 2. Apply pipe joint sealant lightly to male threads of gas connec- prevent excess sealant from going into pipe. Excess sealant in pipe tor attached to flexible gas line (see Figure 21). Connect flex- could result in clogged fireplace valves. ible gas line to flexible gas line attached to gas valve
Summary of the content on the page No. 14
INSTALLATION Checking Gas Connections 14 INSTALLATION Continued CHECKING GAS CONNECTIONS Pressure Testing Fireplace Gas Connections 1. Open equipment shutoff valve (see Figure 22). WARNING: Test all gas piping and connections, 2. Open main gas valve located on or near gas meter. internal and external to unit, for leaks after installing 3. Make sure control knob of fireplace is in the OFF position. or servicing. Correct all leaks at once. 4. Check all joints from equipment shutoff valve to therm
Summary of the content on the page No. 15
AUTO ON OFF INSTALLATION 15 Installing Logs 15 Optional Wireless Hand-Held Remote Control Accessories INSTALLATION Continued INSTALLING LOGS OPTIONAL WIRELESS HAND-HELD REMOTE CONTROL ACCESSORIES WARNING: Failure to position the parts in accor- (CGHRC & CGHRCT Series) dance with these diagrams or failure to use only parts Installing Receiver specifically approved with this heater may result in property damage or personal injury. 1. Disconnect switch wires from the control valve. 2. Remove screw
Summary of the content on the page No. 16
INSTALLATION Installing Wireless Remote Control Accessory 16 OPERATING FIREPLACE For Your Safety Read Before Lighting INSTALLATION Continued Terminal 9-Volt INSTALLING WIRELESS REMOTE CONTROL Wires Battery ACCESSORY Two 9-volt alkaline batteries (not included) are required to operate this heater with the wireless hand held remote control set. One Remote Control battery must be installed in the receiver and one in the hand-held Unit remote control unit. Note: Only use alkaline batteries. Battery
Summary of the content on the page No. 17
O L I P F F O H I L OPERATING FIREPLACE 17 Lighting Instructions 17 To Turn Off Gas To Appliance Manual Lighting Procedure OPERATING FIREPLACE Continued 9. Slightly push in and turn control knob counterclockwise LIGHTING to the ON position. INSTRUCTIONS 10. Wait one minute and switch selector switch to the ON posi- tion to light burner. NOTICE: During initial operation of new heater, burn- 11. Set flame adjustment knob to any level between HI and LO. ing logs will give off a paper-burning smell
Summary of the content on the page No. 18
N O T O H L I I L OPERATING FIREPLACE Optional Remote Operation 18 OPERATING FIREPLACE Continued CGHRC Series Operation: OPTIONAL REMOTE 2a. Press the ON/OFF button to turn the burner on and off. OPERATION When turning burner off, the pilot will remain lit. Note: All remote control accessories must be purchased sepa- CGHRCTA Series Operation rately (see Accessories, page 31). Follow instructions included with the remote control. 2b. Press the AUTO/ON/OFF button on the hand-held remote control (s
Summary of the content on the page No. 19
INSPECTING BURNERS 19 Pilot Flame Pattern 19 Burner Flame Pattern Burner Primary Air Holes Main Burner CLEANING AND MAINTENANCE Cleaning Burner Injector Holder And Pilot Air Inlet Hole INSPECTING BURNERS Check pilot flame pattern and burner flame patterns often. BURNER PRIMARY AIR HOLES Air is drawn into the burner through the holes in the fitting at the PILOT FLAME PATTERN burner entrance. These holes may become blocked with dust or lint. Figure 36 shows a correct pilot flame pattern. Figure 37
Summary of the content on the page No. 20
CLEANING AND MAINTENANCE Cleaning Burner Injector Holder And Pilot Air Inlet Hole (Cont.) 20 Cabinet SPECIFICATIONS WIRING DIAGRAM CLEANING AND MAINTENANCE Continued 2. Inspect burner, pilot, and primary air inlet holes on injector CABINET holder for dust and dirt (see Figure 40). Air Passageways 3. Blow air through the ports/slots and holes in the burner. • Use a vacuum cleaner or pressurized air to clean. 4. Check the injector holder located at the end of the burner tube Exterior again. Remove
