Vent-free Fireplace Systems Models: CFX24, CFX32 Natural Gas or LP, Millivolt Installation and Operating Instructions WARNINGS 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.
CFX Vent Free Fireplace System CONTENTS CFX Series gas log appliances described in this manual feature the TRIPLE PLAY BURNER SYSTEM® with exclusive triple effect technology producing a full random yellow flame, full depth ember bed and glowing logs. Important Safety Information...................................... 3 Product Features and Specifications......................... 5 Gas Pressures......................................................... 5 Gas Specifications...................................
CFX Vent Free Fireplace System IMPORTANT SAFETY INFORMATION INSTALLER Please leave these instructions with the appliance. OWNER Please retain these instructions for future reference. IMPORTANT WARNING Read these instructions carefully before installing or trying to operate a vent-free gas heater in this firebox. • Any change to this heater or its controls can be dangerous.
CFX Vent Free Fireplace System 18. Unvented gas heaters emit moisture into the living area. In most homes of average construction, this does not pose a problem. In houses of extremely tight construction, additional mechanical ventilation is recommended. 19. During manufacturing, fabricating and shipping, various components of this appliance are treated with certain oils, films or bonding agents.
CFX Vent Free Fireplace System PRODUCT FEATURES & specifications ignition controls Piezo ignitor allows ignition of the pilot without the use of matches or batteries. Millivolt control has four (4) positions: HI/LO Control Knob - All gas to the gas logs is shut off at the valve. IGN - Valve position to light/maintain a standing pilot. ON - Valve position to turn ON/OFF log set with remote switch/thermostat. LOW/HI - Variable position to control flame height (heat output).
FIREPLACE & SYSTEM DIMENSIONS CFX Vent Free Fireplace System H I E A B F G C D H Figure 2 Firebox Dimensions Ref.
CFX Vent Free Fireplace System GETTING STARTED Millivolt controlled heater designed to be operated with optional devices for ON/OFF functions. CAUTION • • • • Hand held Remote with receiver Wall T-stat with 20' wire Wall switch with 20' wire Hand held Thermostat Remote • Gloves are recommended when handling ceramic fiber logs to prevent skin irritation from loose fibers. Logs are fragile — handle with care. Carefully inspect the contents for shipping damage.
FIREPLACE INSTALLATION CFX Vent Free Fireplace System Carefully select the best location for installation of your unvented fireplace. The following factors should be taken into consideration. • Clearance to side wall, ceiling, woodwork and window or other combustibles. Refer to Clearances • • • • • • and Height Requirements section on Page 9. Minimum clearances to combustibles must be maintained.
CLEARANCES and HEIGHT REQUIREMENTS CFX Vent Free Fireplace System Ensure that minimum clearances shown in Figure 4 are maintained. Left and right clearances are determined when facing the front of the firebox. Follow these instructions carefully to ensure safe installation. Failure to follow these requirements may create a fire hazard. 1. Sidewall Clearances — The clearance from the inside of the appliance to any combustible adjacent wall should not be less than 9". Figure 4 2.
CFX Vent Free Fireplace System GENERAL INSTALLATION INFORMATION REMOVE SCREEN Figure 5 WARNING 1. Remove bottom access door. 2. Remove fireplace screen frame panel by pushing screen frame panel up and out. Do not operate the unit without the screen frame panel installed. FP2109a Figure 5 FP2109a Remove Fireplace Screen Frame Panel NOTE: Fireplace screen must be removed to access remove screenlog box.
INSTALL MANTEL CFX Vent Free Fireplace System 1. Place base near final position. Make sure you have access to all four (4) sides. 2. Place sides in the approximate location on base. Align back edge of side with back of base. Secure joining block #1 to bottom of side using two (2) 1Z\v” screws. Be sure joining block is flush with bottom of side piece. (Do not attach to base at this time) 3. With the aid of an assistant, and using two (2) joining block #4 and (12) 1Z\v” screws, secure header to the sides.
FIREPLACE INSTALLATION CFX Vent Free Fireplace System FIREBOX TO MANTEL INSTALLATION 1. Slide fireplace into mantel. 2. Use the two (2) 'L' brackets provided to secure the fireplace to the mantel. Figure 8 3. When the fireplace is in the proper position, centered in mantel opening, remove the control panel door and secure fireplace through holes provided in base to the floor of the mantel using screws provided.
GENERAL INSTALLATION INFORMATION CFX Vent Free Fireplace System INSTALL OPTIONAL FIREBRICK PANELS 1. Remove optional firebrick panels from packaging. Check to see that you have the following: • Firebrick panels, 3 • Retainer brackets, 2 • Black screws, 2 2. 3. 4. 5. 6. If any part or parts are missing, contact dealer where you bought fireplace. Turn off fireplace and allow to cool. Remove fireplace screen (Refer to Page 10, Figure 5) and logs. Place rear firebrick panel on back wall of firebox.
CONNECT THE GAS CFX Vent Free Fireplace System check gas type Use proper gas type for the fireplace you are installing. If you have conflicting gas type, do not install fireplace. See dealer where you purchased the fireplace for proper fireplace for your gas type or conversion kit. A qualified installer or service person must connect appliance to gas supply. Follow all local codes.
CFX Vent Free Fireplace System Only persons licensed to work with gas piping may make the necessary gas connections to this appliance. CAUTION WARNING CONNECT THE GAS A manual shutoff valve must be installed upstream of the appliance. Union tee and plugged 1/8” NPT pressure tapping point should be installed upstream of the appliance. Figure 13 A listed manual shutoff valve must be installed upstream of the appliance.
CFX Vent Free Fireplace System CHECK GAS PRESSURE WARNING 1. Check gas type. The gas supply must be the same as stated on the appliance’s rating decal. If the gas supply is different from the fireplace, STOP! Do not install the appliance. Contact your dealer immediately. 2. To ease installation, a 24" (610 mm) flex line with manual shut-off valve has been provided with on this appliance. Install and attach 1/2" gas line onto shut-off valve. 3.
ELECTRICAL WIRING - Millivolt CFX Vent Free Fireplace System The millivolt valve is a self-powered combination gas control that does not require 110V ac to operate. ODS Pilot On/Off Switch Field Installed Wall Switch or Remote Receiver ODS Pilot Millivolt Valve On/Off Switch Spade Terminal TH = 3 TP = 1 TP/TH = 2 Figure 15 Wiring Diagram FP2112 CAUTION Switch Label all wires prior to disconnection when servicing controls. Wiring errors can cause improper and dangerous operation.
ELECTRICAL WIRING - Millivolt CFX Vent Free Fireplace System Connect Remote Receiver THESE INSTRUCTIONS SUPERSEDE THE SECTION ENTITLED “HEARTH MOUNT” IN THE Millivolt HAND-HELD REMOTE INSTRUCTIONS SUPPLIED WITH THE REMOTE. 1. Remove bottom louver door. 2. Connect the remote connectors located in the unit. 3. Apply Velcro® pads with self-adhesive backing to bottom of remote receiver and to floor of compartment behind access panel. 4. Attach remote receiver to firebox with Velcro® pads.
LOG PLACEMENT CFX Vent Free Fireplace System CAUTION The positioning of the logs is critical to the safe and clean operation of this heater. Sooting and other problems may result if the logs are not properly and firmly positioned in the appliance. Never add additional logs or embellishments such as pine cones, vermiculite or rock wool to the heater. WARNING WARNING Before you begin — This unit is supplied with a set of three ceramic fiber logs. Do not handle these logs with your bare hands.
CFX Vent Free Fireplace System LOG & ROCKWOOL PLACEMENT Rear Log #3 Proper installation sequence (CFX32) Figure 18 1. Install front right log (#1) on two pins on right Left Middle Log #5 side of burner. 2. Install left front log (#2) on two pins on left side of burner. 3. Install back log (#3) on back of burner. 4. Install right middle log (#4) on two pins on burner. Rest right end of right middle log on Left Front Log #2 the right front log. 5. Install left middle log (#5) on two pins on burner.
flame appearance CFX Vent Free Fireplace System Flames from the pilot, front and rear burner should be visually checked as soon as the heater is installed. In addition, periodically check the flames visually during operation. Thermocouple for Natural Check the pilot flame The pilot flame must always be present when the heater is in operation. It should just touch the top of the thermocouple tip for natural. Refer to Figure 20 for correct pilot flame.
CFX Vent Free Fireplace System CHECK THE BURNER FLAME OPERATING INSTRUCTIONS Avoid any drafts that alter burner flame patterns. Do not allow fans to blow directly into the fireplace. Do not place a blower inside the burn area of the firebox. Ceiling fans may create drafts that alter flame patterns. Sooting and improper burning will result. During manufacturing, fabricating and shipping, various components of this appliance are treated with certain oils, films or bonding agents.
CFX Vent Free Fireplace System OPERATING INSTRUCTIONS WARNING FOR YOUR SAFETY READ BEFORE LIGHTING If you do not follow these instruction exactly, a fire or explosion may result causing property damage, personal injury or loss of life. A. This appliance is equipped with a piezo ignition device which automatically lights the pilot. If piezo is not working properly refer to Match Lighting Instructions, Page 25. B. BEFORE OPERATING smell all around the appliance area for gas.
OPERATING INSTRUCTIONS CFX Vent Free Fireplace System Millivolt CONTROL LIGHTING INSTRUCTIONS WARNING 1. STOP! Read the safety information label. 2. Make sure the manual shutoff valve is fully open. 3. This gas log set is equipped with an ignition device (piezo) which automatically lights the pilot. If piezo ignitor does not light the pilot, Refer to the instructions for Match Lighting Instructions, Page 25. 4.
OPERATING INSTRUCTIONS CFX Vent Free Fireplace System MATCH LIGHTING INSTRUCTIONS 1. Remove any items necessary for easy access to the pilot (for example: logs, screens, etc.). 2. Follow appropriate lighting instructions found previously. Instead of pushing and releasing the piezo button, light a match and hold the flame to the end of the pilot and ignite the pilot. 3. After control knob has been released and pilot stays lit, reinstall any items that were removed for pilot access. 4.
CFX Vent Free Fireplace System BLOWER and OTHER OPTIONAL EQUIPMENT OPTIONAL EQUIPMENT Forced Air Kit If you are installing the forced air kit (Models BLO24-T or BLOT), see the installation instructions provided with the kit for electrical wiring requirements or the blower installation section. Model CFX24 uses blower model BLO24T. Model CFX32 uses blower model BLOT. The firebox must be connected to main power supply at time of firebox installation.
WARNING TROUBLESHOOTING Turn appliance OFF and allow to cool before servicing. Only a qualified service person should service and repair the heater. CFX Vent Free Fireplace System Note: All troubleshooting items are listed in order of operation. OBSERVED PROBLEM POSSIBLE CAUSE REMEDY When ignitor button is pressed, there is no spark at ODS/pilot. 1. Ignitor electrode positioned wrong. 1 Replace ignitor. 2. Ignitor electrode is broken. 2. Replace ignitor. 3.
TROUBLESHOOTING WARNING CFX Vent Free Fireplace System If the gas quality is bad, your pilot may not stay lit, the burners may produce soot and the heater may backfire when lit. If the gas quality or pressure is low, contact your local gas supplier immediately. OBSERVED PROBLEM POSSIBLE CAUSE REMEDY ODS/pilot lights, but flame 1. Control knob not fully pressed in. goes out when control knob 2. Control knob not pressed in long is released. enough. 1. Press in control knob fully. 2.
CFX Vent Free Fireplace System REPLACEMENT PARTS 4 5 1 6 2 3 7 Description Assy Door, Painted Assy Screen Frame, Painted Screen Assy. Left Firebrick (Optional) Center Firebrick (Optional) Right Firebrick (Optional) Blower (Optional) Qty. 1 1 1 1 1 880011 1 CFX face parts 1 12/08 WARNING Item 1. 2. 3. 4. 5. 6. 7.
REPLACEMENT PARTS CFX Vent Free Fireplace System 14 12 14 13 15 16 12 13 3 1 2 6 9 10 7 11 5 8 4 WARNING 880011 CFX burner parts 30 Failure to position the parts in accordance with these diagrams or failure to use only parts specifically approved with this appliance may result in property damage or personal injury.
CFX Vent Free Fireplace System REPLACEMENT PARTS Item Description Qty. 1. Burner/Grate Assembly 1 2. Injector 1 3. Venturi 1 4. Millivolt Valve 1 5. Pilot Regulator 1 6. Burner to Valve Tube 1 7. Tube Fitting, 3/8 x 5/16 1 8. ODS Pilot Valve Tube, 3/16 1 9. Piezo Ignitor 1 10. Piezo Wire 1 11. ODS Pilot Assembly 1 Log Set 12. #1 Left Log 1 13. #2 Right Log 1 14. #3 Rear Log 1 15. #4 Right Middle Log 1 16.
CFX Vent Limited Free Fireplace System lifetime warranty policy Lifetime Warranty The following components are warranted for life to the original owner, subject to proof of purchase: Firebox, Combustion Chamber, Heat Exchanger, Grate and Stainless Steel Burners. Five Year Warranty The following components are warranted five (5) years to the original owner, subject of proof of purchase: Ceramic Fiber Logs, Catalytic Filter and Aluminzed Burners.
