DIRECT-VENT FIREPLACE OWNER’S OPERATION AND INSTALLATION MANUAL REMOTE REQUIRES TWO 9-VOLT BATTERIES NOT INCLUDED CHDV37N, CHDV37P, CHDV41N, AND CHDV41P WARNING: 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. FOR YOUR SAFETY Do not store or use gasoline or other flammable vapors and liquids in the vicinity of this or any other appliance.
CHDV37N/P AND CHDV41N/P DIRECT-VENT FIREPLACE (NATURAL/PROPANE/LP) SAFETY INFORMATION WARNINGS 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, explosions, electrical shock, and carbon monoxide poisoning. 9. WARNING: Any change to this fireplace or its controls can be dangerous. 1. 2. 3.
OWNER’S MANUAL PRODUCT IDENTIFICATION Top Louver Panel LOCAL CODES Install and use fireplace with care. Follow all local codes. In the absence to local codes, use the current National Fuel Gas Code ANS Z223.1, also known as NFPA 54* (USA) or the current CAN/CGA-B149[.1 or .2] Installation Codes (Canada). *Available from: American National Standards Institute, Inc. 1430 Broadway New York, NY 10018 National Fire Protection Association, Inc.
CHDV37N/P AND CHDV41N/P DIRECT-VENT FIREPLACE (NATURAL/PROPANE/LP) PRE-INSTALLATION PREPARATION LOCATION AND SPACE REQUIREMENTS Determine the safest and most efficient location for your Comfort Glow direct-vent fireplace. Make sure that rafters and wall studs are not in the way of the venting system. Choose a location where the heat output is not affected by drafts, air conditioning ducts, windows or doors. Figure 2 shows some common locations. Read all venting information in this manual.
OWNER’S MANUAL PRE-INSTALLATION PREPARATION GENERAL VENTING These models are approved for use with Simpson Dura-Vent 6 5/8" direct-vent pipe components and terminations as well as both flex and rigid Comfort Glow vent components.
CHDV37N/P AND CHDV41N/P DIRECT-VENT FIREPLACE (NATURAL/PROPANE/LP) GENERAL VENTING Continued N N D H V L E B C Fixed Closed F B Openable Fixed Closed V Openable V I V G B V B B J X V G G M A V K X V A V TERMINATION CAP A = clearance above grade, veranda, porch, deck, or balcony [*12 inches (305mm) minimum] B = clearance to window or door that may be opened [12 inches (305mm) minimum] C = clearance to permanently closed window [minimum 12 inches (305mm) recommended to prevent condens
OWNER’S MANUAL VENTING INSTALLATION WARNING: Read all instructions completely and thoroughly before attempting installation. Failure to do so could result in serious injury, property damage or loss of life. Operation of improperly installed and maintained venting system could result in serious injury, property damage or loss of life. WARNING: Seal all vent connections. Seal only the outer pipe connections with high temperature silicone (600°F/316° C).
CHDV37N/P AND CHDV41N/P DIRECT-VENT FIREPLACE (NATURAL/PROPANE/LP) Snorkel VENTING INSTALLATION Continued INSTALLATION FOR HORIZONTAL TERMINATION 1. Determine the route your horizontal venting will take. Note: The location of the horizontal vent termination on the exterior wall must meet all local and national building codes and must not be easily blocked or obstructed. 12" Minimum ,,,,, ,,,,, ,,,,, ,,,,, WARNING: Do not recess vent terminal into a wall or siding. 2.
OWNER’S MANUAL VENTING INSTALLATION 4. Continued 3. Attach vent pipe assembly to the fireplace. Set fireplace in front of it’s permanent location to insure minimum clearances. Mark the wall for a 10" square hole (for noncombustible material such as masonry block or concrete, a 7 1/2" diameter hole is acceptable). See Figure 12. The center of the hole should line up with the centerline of the horizontal rigid vent pipe.
CHDV37N/P AND CHDV41N/P DIRECT-VENT FIREPLACE (NATURAL/PROPANE/LP) VENTING INSTALLATION Continued Horizontal Termination Configurations Figures 16 through 20 show different configurations for venting with horizontal termination. Each figure includes a chart with vertical minimum/maximum and horizontal maximum dimensions which must be met. Seal all connections with high temperature silicone sealant (outer pipe only) as specified in the second warning statement on page 7.
OWNER’S MANUAL VENTING INSTALLATION Continued Venting with Two 90° Elbows Vertical (V) Horizontal (H1) Horizontal (H1) + Horizontal (H2) 5' min. 6' min. 7' min. 8' min. 2' max. 4' max. 6' max. 8' min. 6' max. 12' max. 18' max. 20' max. 20' max. 8' max. 20' max. Figure 19 - Horizontal Termination Configuration for Rigid Venting Using Two 90° Elbows Venting with Two 90° Elbows Vertical (V) Horizontal (H1) + Horizontal (H2) 5' min. 6' min. 7' min. 8' min. 6' max. 12' max. 18' max. 20' max.
CHDV37N/P AND CHDV41N/P DIRECT-VENT FIREPLACE (NATURAL/PROPANE/LP) VENTING INSTALLATION Flat Ceiling Installation 1. Continued INSTALLATION FOR VERTICAL TERMINATION 1. 2. Determine the route your vertical venting will take. If ceiling joists, roof rafters, or other framing will obstruct the venting system, consider an offset (see Figure 21) to avoid cutting loadbearing members.
OWNER’S MANUAL VENTING INSTALLATION Continued 3. 4. 5. Vertical Termination Configurations Figures 25 through 28 show four different configurations for vertical termination. All connections must be sealed with high temperature silicone sealant as specified in the second warning statement on page 7. Lower the support box through the hole in the roof until the bottom of the box extends at least 2" below the ceiling (see Figure 23). Align the support box vertically and horizontally using a level.
CHDV37N/P AND CHDV41N/P DIRECT-VENT FIREPLACE (NATURAL/PROPANE/LP) VENTING INSTALLATION Continued CRVF Kit Shown Vertical Venting V = 40' max. Venting with Two 90° Elbows Vertical (V1) Horizontal (H) 5' min. 6' min. 7' min. 8' min. 6' max. 12' max. 18' max. 20' max. Figure 28 - Vertical Rigid Venting Configuration With No Horizontal Run Note: Vertical (V1) + Vertical (V2) = 20' max.
OWNER’S MANUAL VENTING INSTALLATION Continued HIGH ALTITUDE INSTALLATION Your Comfort Glow direct-vent fireplace has been AGA tested and approved for elevations from 0-2000 feet and CGA certified for elevations from 0-4500 feet. When installing this fireplace at an elevation above 2000 feet (in the USA), you may need to decrease the input rating by changing the existing burner orifice to a smaller size. Reduce input 4% for each 1000 feet above sea level.
CHDV37N/P AND CHDV41N/P DIRECT-VENT FIREPLACE (NATURAL/PROPANE/LP) FIREPLACE INSTALLATION NOTICE: This heater is intended for use as supplemental heat. Use this heater along with your primary heating system. Do not install this heater as your primary heat source. If you have a central heating system, you may run system’s circulating blower while using heater. This will help circulate the heat throughout the house. In the event of a power outage, you can use this heater as your primary heat source.
OWNER’S MANUAL FIREPLACE INSTALLATION 9. Continued 8. Plug in blower power cord. a. If your fireplace system is installed as a freestanding unit with an accessory mantel, determine whether the power cord will exit the left side or the right side of the firebox. Install one plastic bushing provided into the 1 1/2" hole in the outer casing through which the power cord will exit. Install the second plastic bushing provided into the floor support bracket if exiting through the right side (see Figure 33).
CHDV37N/P AND CHDV41N/P DIRECT-VENT FIREPLACE (NATURAL/PROPANE/LP) FIREPLACE INSTALLATION Continued INSTALLING GAS PIPING TO FIREPLACE LOCATION WARNING: A qualified service person must connect fireplace to gas supply. Follow all local codes. CAUTION: For propane/LP units, never connect heater directly to the propane/LP supply. This heater requires an external regulator (not supplied). Install the external regulator between the heater and propane/LP supply. CAUTION: Use only new, black iron or steel pipe.
OWNER’S MANUAL CHECKING GAS CONNECTIONS FIREPLACE INSTALLATION Continued 3. WARNING: Test all gas piping and connections for leaks after installing or servicing. Correct all leaks at once. CONNECTING FIREPLACE TO GAS SUPPLY 4. Installation Items Needed • 5/16" hex socket wrench or nut-driver • sealant (resistant to propane/LP gas, not provided) 1. Open lower louver door panel by gently pulling forward. 2. Route flexible gas line (provided by installer) from manual shutoff valve to fireplace.
CHDV37N/P AND CHDV41N/P DIRECT-VENT FIREPLACE (NATURAL/PROPANE/LP) FIREPLACE INSTALLATION Continued Open ON POSITION Manual Shutoff Valve Test Pressures Equal To or Less Than 1/2 PSIG (3.5 kPa) 1. 2. 3. Close manual shutoff valve (see Figure 37). Pressurize supply piping system by either opening propane/LP supply tank valve for propane/LP gas fireplace or opening main gas valve located on or near gas meter for natural gas fireplace, or using compressed air.
OWNER’S MANUAL FIREPLACE INSTALLATION Continued INSTALLING OPTIONAL WALL MOUNTED THERMOSTAT - GWMT1 WARNING: Installation must be done by a qualified installer familiar with low voltage wiring procedures. WARNING: Do not connect this thermostat to any electrical source! Electrical shock and/or fire hazard will occur. 1. 2. 3. 4. 5. 6. Open lower louver panel. The valve is attached to the underside of the firebox assembly. Disconnect from the valve the wires running from the ON/OFF switch.
CHDV37N/P AND CHDV41N/P DIRECT-VENT FIREPLACE (NATURAL/PROPANE/LP) FIREPLACE INSTALLATION Continued Screw REMOVING/REPLACING GLASS DOOR You must remove glass door to install optional brick liners, logs, lava rock, and ember material. CAUTION: Do not operate this fireplace with a broken glass door panel or without the glass door panel securely in place. For replacement part information see Replacement Parts, page 32. 1. 2. 3. 4. Remove the upper louver panel by lifting upward and out (see Figure 45).
OWNER’S MANUAL FIREPLACE INSTALLATION Continued INSTALLING OPTIONAL BRICK LINER CD8037/CD8041 Rear Brick Panel WARNING: If fireplace has been running, turn off and unplug fireplace. Let cool before installing brick liner. This brick liner kit is optional. You may purchase brick liner from your local retailer or see Accessories, page 33. CAUTION: Always handle brick panels with two hands. Do not force brick panels into place. Excessive force will break brick panels. 1. Remove glass door.
CHDV37N/P AND CHDV41N/P DIRECT-VENT FIREPLACE (NATURAL/PROPANE/LP) FIREPLACE INSTALLATION 5. Continued INSTALLING LOGS, LAVA ROCK AND GLOWING EMBERS WARNING: Failure to position the parts in accordance with these diagrams or failure to use only parts specifically approved with this heater may result in property damage or personal injury. 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.
OWNER’S MANUAL OPERATING FIREPLACE LIGHTING INSTRUCTIONS FOR YOUR SAFETY READ BEFORE LIGHTING 1. WARNING: If you do not follow these instructions exactly, a fire or explosion may result causing property damage, personal injury or loss of life. 4. 5. 6. 7. 8. 9. Variable Control Knob Gas Control Knob Piezo Ignitor IH ON LOT PI OFF A. This appliance has a pilot which must be lighted by hand. When lighting the pilot, follow these instructions exactly. B.
CHDV37N/P AND CHDV41N/P DIRECT-VENT FIREPLACE (NATURAL/PROPANE/LP) Continued HAND-HELD REMOTE OPERATION NOTICE: You must light the pilot before using the hand-held remote control unit. See Lighting Instructions. page 25. 3. Blower Control Knob (Optional Accessory) ON T F ON OFF REMOTE LO ON OFF Variable Control Knob OF PILO The thermostat control setting on the remote control unit can be set to any comfort level between HI and LO.
OWNER’S MANUAL BURNER FLAME PATTERN OPERATING FIREPLACE INSPECTING BURNERS Continued Check pilot flame pattern and burner flame patterns often. OPERATING OPTIONAL GWMT1 WALL MOUNTED THERMOSTAT WARNING: Do not connect the thermostat to a power source. Electrical shock and/or a fire hazard will occur. Light the fireplace as instructed in Lighting Instructions on page 25. Set wall thermostat to desired temperature.
CHDV37N/P AND CHDV41N/P DIRECT-VENT FIREPLACE (NATURAL/PROPANE/LP) CLEANING AND MAINTENANCE WARNING: Turn off fireplace and let cool before cleaning. CAUTION: You must keep control areas, burners, and circulating air passageways of fireplace clean. Inspect these areas of fireplace before each use. Have fireplace inspected yearly by a qualified service person. Fireplace may need more frequent cleaning due to excessive lint from carpeting, bedding material, pet hair, etc.
OWNER’S MANUAL TROUBLESHOOTING WARNING: Turn off heater and let cool before servicing. Only a qualified service person should service and repair heater. Note: For additional help, visit DESA International’s technical service web site at www.desatech.com. CAUTION: Never use a wire, needle, or similar object to clean pilot. This can damage pilot unit. Note: All troubleshooting items are listed in order of operation.
CHDV37N/P AND CHDV41N/P DIRECT-VENT FIREPLACE (NATURAL/PROPANE/LP) TROUBLESHOOTING Continued OBSERVED PROBLEM POSSIBLE CAUSE REMEDY Burner does not light after pilot is lit 1. Burner orifice clogged 1. Clean burner (see Cleaning and Maintenance, page 28) or replace burner orifice 2. Contact local propane/LP or natural gas company 3. Reconnect leads (see Wiring Diagram, page 32) 4. Replace thermopile 2. Inlet gas pressure is too low 3. Thermopile leads disconnected or improperly connected 4.
OWNER’S MANUAL 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. Follow the gas supplier’s instructions. • If you cannot reach your gas supplier, call the fire department. • • • • IMPORTANT: Operating fireplace where impurities in air exist may create odors.
CHDV37N/P AND CHDV41N/P DIRECT-VENT FIREPLACE (NATURAL/PROPANE/LP) REPLACEMENT PARTS Note: Use only original replacement parts. This will protect your warranty coverage for parts replaced under warranty. WIRING DIAGRAM CAUTION: Label all wires prior to disconnection when servicing controls. Wiring errors can cause improper and dangerous operation. Verify proper operation after servicing. PARTS UNDER WARRANTY Contact authorized retailers of this product.
OWNER’S MANUAL SPECIFICATIONS CHDV37N CHDV37P CHDV41N 17,000/24,000 Btu/h 17,000/22,000 Btu/h 18,000/26,000 Btu/h Natural Propane/LP Natural Propane/LP Piezo Piezo Piezo Piezo Manifold Pressure 3.5" w.c. 10.0" w.c. 3.5" w.c. 10.0" w.c. Minimum Inlet Supply Pressure 4.5" w.c. 11.0" w.c. 4.5" w.c. 11.0" w.c.
CHDV37N/P AND CHDV41N/P DIRECT-VENT FIREPLACE (NATURAL/PROPANE/LP) ILLUSTRATED PARTS BREAKDOWN 41 55 7 54 11 (Included in Hardware Pack) 2 55 55 39-1 58 39-3 39-2 57 6 25 27 32 33 54 38 6 26 28 30 5 34 55 6 56 38 29 31 19 18 20 1 49 42 35 6 24 48 40 59 16 36 33 45 6 22 21 33 9 43 5 10 47 13 44 23 17 5 40 4 6 14 15 12 8 5 52 REMOTE 40 7 HI MA AUT O OFF 50 ON CHDV37N CHDV41N 46 37 53 TEM N P LO ON OFF STA TUS 3 51 34 104605
OWNER’S MANUAL PARTS LIST This list contains replaceable parts used in your fireplace. When ordering parts, follow the instructions listed under Replacement Parts on page 32 of this manual. DIRECT-VENT FIREPLACE CHDV37N CHDV41N KEY NO.
CHDV37N/P AND CHDV41N/P DIRECT-VENT FIREPLACE (NATURAL/PROPANE/LP) ILLUSTRATED PARTS BREAKDOWN 41 55 7 54 11 (Included in Hardware Pack) 2 55 55 39-1 58 39-3 39-2 57 6 25 27 32 33 54 38 6 26 28 30 5 34 55 6 56 38 29 31 19 1 49 18 20 42 35 6 24 48 40 59 16 36 33 45 6 22 21 33 9 43 5 10 47 13 44 23 17 5 40 4 6 14 15 12 8 5 52 REMOTE 40 7 HI 37 53 TEM P MA N AUT O OFF 50 ON CHDV37P CHDV41P 46 LO ON OFF STA TUS 3 51 36 104605
OWNER’S MANUAL PARTS LIST This list contains replaceable parts used in your fireplace. When ordering parts, follow the instructions listed under Replacement Parts on page 32 of this manual. DIRECT-VENT FIREPLACE CHDV37P AND CHDV41P KEY NO.
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.
