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DIRECT-VENT FIREPLACE
OWNER'S OPERATION AND INSTALLATION MANUAL
REMOTE REQUIRES
TWO 9-VOLT
BATTERIES -
NOT INCLUDED
CDV37N/P(A,B) AND CDV41N/P(A,B)
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.
FOR YOUR SAFETY
Do not store or use gasoline or other flammable
vapors and liquids in the vicinity of this or any
other appliance.
FOR YOUR SAFETY
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.
This appliance may be installed in an aftermarket* manufactured (mobile) home, where not prohibited
by state or local codes.
*
Aftermarket: Completion of sale, not for purpose of resale, from the manufacturer
Save this manual for future reference.
®
WARNING: Improper in-
stallation, adjustment, al-
teration, service, or main-
tenance can cause injury
or property damage. Re-
fer to this manual for cor-
rect installation and op-
erational procedures. For
assistance or additional
information consult a
qualified installer, ser-
vice agency, or the gas
supplier.
— Installation and ser-
vice must be performed
by a qualified installer,
service agency, or the
gas supplier.
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Table of Contents
Related Manuals for Comfort Glow CDV37N/PA
Summary of Contents for Comfort Glow CDV37N/PA
- Page 1 DIRECT-VENT FIREPLACE OWNER’S OPERATION AND INSTALLATION MANUAL ® REMOTE REQUIRES TWO 9-VOLT BATTERIES - NOT INCLUDED CDV37N/P(A,B) AND CDV41N/P(A,B) WARNING: If the information in this manual is not WARNING: Improper in- followed exactly, a fire or explosion may result caus- stallation, adjustment, al- ing property damage, personal injury, or loss of life.
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Page 2: Safety Information
CDV37N/P(A,B) AND CDV41N/P(A,B) DIRECT-VENT FIREPLACE (NATURAL/PROPANE) SAFETY This appliance is only for use with the 10. Have venting system inspected annu- type of gas indicated on the rating plate. ally by a qualified service person. If INFORMATION This appliance is not convertible for use needed, have venting system cleaned with other gases unless a certified kit or repaired. -
Page 3: Product Identification
Front Burner PIEZO IGNITOR Grate Assembly This fireplace has a piezo ignitor. This sys- Figure 1 - Comfort Glow Direct-Vent Fireplace CDV Series tem requires no matches, batteries, or other sources to light fireplace. GLOSSARY OF TERMS Chase - A boxlike enclosure to protect venting from the elements when the venting run is on the outside of a structure. -
Page 4: Pre-Installation Preparation
Perpendicular walls 6" (152mm) Floor 0"/mm Determine the safest and most efficient loca- Ceiling to louver opening 42" (1067mm) tion for your Comfort Glow direct-vent fire- Front 36" (914mm) place. Make sure that rafters and wall studs Top of Standoffs 0"/mm are not in the way of the venting system. -
Page 5: General Venting
41" through the side wall, or vertically using the 29" following guidelines: • Only use Comfort Glow or Simpson Dura- Vent GS venting components or kits spe- cifically approved for this fireplace. • Minimum clearance between vent pipes and combustible materials is 1" (25 mm), "... - Page 6 CDV37N/P(A,B) AND CDV41N/P(A,B) DIRECT-VENT FIREPLACE (NATURAL/PROPANE) GENERAL VENTING CONTINUED Fixed Openable Fixed Closed Closed Openable TERMINATION CAP GAS METER RESTRICTED AREA AIR SUPPLY INLET (TERMINATION PROHIBITED) A = clearance above grade, veranda, porch, deck, or balcony I = clearance to service regulator vent outlet [*72 inches (1829mm) [*12 inches (305mm) minimum] minimum] B = clearance to window or door that may be opened...
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Page 7: Venting Installation
Do WARNING: Seal all of the con- not use common vent systems. Your Comfort Glow direct-vent fireplace nections with high temperature has been tested for a minimum 3' rise with a silicone (600°F/316° C) every time maximum 10"... -
Page 8: Installation
CDV37N/P(A,B) AND CDV41N/P(A,B) DIRECT-VENT FIREPLACE (NATURAL/PROPANE) VENTING Snorkel INSTALLATION Continued INSTALLATION FOR HORIZONTAL TERMINATION 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 12"... - Page 9 OWNER’S MANUAL VENTING 4. Apply a bead of non-hardening mastic Carefully move the fireplace with vent around the outside edge of the vent cap. assembly attached toward the wall and INSTALLATION Position the vent cap in the center of insert the vent pipe into the horizontal the 7 "...
- Page 10 CDV37N/P(A,B) AND CDV41N/P(A,B) DIRECT-VENT FIREPLACE (NATURAL/PROPANE) VENTING Horizontal Venting INSTALLATION Vertical (V) Horizontal (H) Continued 44" min. 29" max. Horizontal Termination (30° and 90° only, no vertical pipe) Configurations 55" min. 41" max. (30° elbow, 1' vertical pipe, 90° elbow) Figures 16 through 20 show different con- figurations for venting with horizontal ter- 67"...
- Page 11 OWNER’S MANUAL VENTING INSTALLATION Continued Venting with Two 90° Elbows Vertical (V) Horizontal (H Horizontal (H Horizontal (H 5' min. 2' max. 6' max. 6' min. 4' max. 12' max. 7' min. 6' max. 18' max. 8' min. 8' min. 20' max.
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Page 12: Installation For Vertical Termination
CDV37N/P(A,B) AND CDV41N/P(A,B) DIRECT-VENT FIREPLACE (NATURAL/PROPANE) VENTING Flat Ceiling Installation Connect a section of pipe and extend up through the hole. Cut a 10" square hole in the ceiling us- INSTALLATION Note: If an offset is needed to avoid ing the locating hole as a center point. Continued obstructions, you must support the vent The opening should be framed to... - Page 13 OWNER’S MANUAL VENTING Vertical Termination Configurations INSTALLATION 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 Continued warning statement on page 7. 3. Lower the support box through the hole in the roof until the bottom of the box Venting with Two 90°...
- Page 14 CDV37N/P(A,B) AND CDV41N/P(A,B) DIRECT-VENT FIREPLACE (NATURAL/PROPANE) VENTING INSTALLATION Continued CRVF Kit Shown Vertical Venting V = 30' max. Venting with Two 90° Elbows Vertical (V Horizontal (H) Figure 28 - Vertical Rigid Venting Configuration With No Horizontal Run 5' min. 6' max.
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Page 15: High Altitude Installation
OWNER’S MANUAL VENTING Comfort Glow Flexible Venting Comfort Glow Rigid Venting (Cont.) Number Description Number Description INSTALLATION CCVK Corner Vent Kit CBFGFVK Basic Flex Ground Floor Vent Kit Continued Includes: 7" x 30° Elbow, 7" x 90° Includes: Flex Adapter, 7" x 2' Elbow, 7"... -
Page 16: Fireplace Installation
CDV37N/P(A,B) AND CDV41N/P(A,B) DIRECT-VENT FIREPLACE (NATURAL/PROPANE) CHECK GAS TYPE Installing GA3750/CDA3620T FIREPLACE Blowers Use proper gas type for the fireplace unit INSTALLATION IMPORTANT : For clarity, gas valve assem- you are installing. If you have conflicting bly and grate/burner assembly are not shown gas types, do not install fireplace. - Page 17 OWNER’S MANUAL FIREPLACE Check to make sure that the power cord WARNING: Failure to position is completely clear of the blower wheel INSTALLATION the parts in accordance with sup- and that there are no other foreign ob- plied diagrams or failure to use jects in blower wheel.
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Page 18: Installing Gas Piping To Fireplace Location
CDV37N/P(A,B) AND CDV41N/P(A,B) DIRECT-VENT FIREPLACE (NATURAL/PROPANE) FIREPLACE Check your building codes for any special CAUTION: Use only new, requirements for locating manual shutoff INSTALLATION black iron or steel pipe. Inter- valve to fireplaces. nally-tinned copper tubing may Continued Apply pipe joint sealant lightly to male be used in certain areas. -
Page 19: Connecting Fireplace To Gas Supply
OWNER’S MANUAL FIREPLACE CHECKING GAS Pressurize supply piping system by ei- ther opening propane supply tank valve CONNECTIONS INSTALLATION for propane gas fireplace or opening main gas valve located on or near gas Continued WARNING: Test all gas pip- meter for natural gas fireplace, or using ing and connections for leaks compressed air. - Page 20 CDV37N/P(A,B) AND CDV41N/P(A,B) DIRECT-VENT FIREPLACE (NATURAL/PROPANE) FIREPLACE Open POSITION Manual INSTALLATION Shutoff Valve Continued Test Pressures Equal To or Less Than 1/2 PSIG (3.5 kPa) Closed POSITION Close manual shutoff valve (see Fig- Figure 37 - Manual Shutoff Valve ure 37). Pressurize supply piping system by ei- ther opening propane supply tank valve for propane gas fireplace or opening...
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Page 21: Wireless Hand-Held Remote Control
OWNER’S MANUAL FIREPLACE REMOVING/REPLACING Remove the upper louver panel by lift- ing upward and out (see Figure 42). GLASS DOOR INSTALLATION Remove the screws from the three tabs You must remove glass door to install op- Continued at the top of the glass door while hold- tional brick liners, logs, lava rock, and em- ing door securely keeping it from fall- ber material. - Page 22 CDV37N/P(A,B) AND CDV41N/P(A,B) DIRECT-VENT FIREPLACE (NATURAL/PROPANE) FIREPLACE Loosely secure retainer brackets to grate. WARNING: The glass door Brackets are adjustable left to right to INSTALLATION must be securely in place before allow proper placement of panel. These running this fireplace. Do not run will hold rear panel in place.
- Page 23 OWNER’S MANUAL FIREPLACE 5. Pull ember material apart into pieces no larger than a dime. Place these pieces INSTALLATION loosely onto the exposed section of the front burner and space between logs 2 Continued and 3 where front burner is exposed (see Figure 49).
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Page 24: Operating Fireplace
CDV37N/P(A,B) AND CDV41N/P(A,B) DIRECT-VENT FIREPLACE (NATURAL/PROPANE) OPERATING 12. Turn the ON/OFF switch to ON LIGHTING position. FIREPLACE INSTRUCTIONS 13. This valve is equipped with a HI/LO feature. Set fireplace input as desired. STOP! Read the safety information FOR YOUR SAFETY in column one. -
Page 25: Inspecting Burners
OWNER’S MANUAL OPERATING Thermopile OPERATING OPTIONAL BLOWER FIREPLACE 3/8" to 1/2" ACCESSORY Continued Pilot Burner Locate the blower controls by opening the lower louver panel on the fireplace. 1/8" HAND HELD REMOTE Blower controls are located on the left OPERATION side of the switch bracket to the left just Thermocouple inside the louver panel. -
Page 26: Cleaning And Maintenance
CDV37N/P(A,B) AND CDV41N/P(A,B) DIRECT-VENT FIREPLACE (NATURAL/PROPANE) CLEANING AND LOGS WARNING: Only parts sup- • If you remove logs for cleaning, refer to MAINTENANCE plied by the manufacturer should Installing Logs, Lava Rock, and Glowing be used when replacing broken Embers, page 23, to properly replace logs. or damaged glass door panel (see WARNING: Turn off fireplace •... -
Page 27: Troubleshooting
OWNER’S MANUAL TROUBLESHOOTING WARNING: Turn off heater CAUTION: Never use a wire, and let cool before servicing. Only needle, or similar object to clean Note: For additional help, visit DESA a qualified service person should pilot. This can damage pilot unit. International’s Technical Service web service and repair heater. - Page 28 CDV37N/P(A,B) AND CDV41N/P(A,B) DIRECT-VENT FIREPLACE (NATURAL/PROPANE) 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 Mainte- nance, page 26) or replace burner orifice 2. Inlet gas pressure is too low 2.
- Page 29 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.
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Page 30: Replacement Parts
CDV37N/P(A,B) AND CDV41N/P(A,B) DIRECT-VENT FIREPLACE (NATURAL/PROPANE) REPLACEMENT WIRING DIAGRAM PARTS CAUTION: Label all wires prior to disconnection when servicing Note: Use only original replacement parts. controls. Wiring errors can cause improper and dangerous operation. This will protect your warranty coverage for Verify proper operation after servicing. -
Page 31: Specifications
OWNER’S MANUAL SPECIFICATIONS CDV37N(A,B) CDV37P(A,B) CDV41N(A,B) CDV41P(A,B) 16,000/22,000 Btu/h 16,000/20,000 Btu/h 17,000/24,000 Btu/h 17,000/22,000 Btu/h Gas Type Natural Propane Natural Propane Ignition 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"... -
Page 32: Illustrated Parts Breakdown
CDV37N/P(A,B) AND CDV41N/P(A,B) DIRECT-VENT FIREPLACE (NATURAL/PROPANE) ILLUSTRATED PARTS BREAKDOWN CDV37N(A,B) CDV41N(A,B) 39-3 11(Included in Hardware Pack) 39-2 39-1 105541... -
Page 33: Parts List
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 30 of this manual. DIRECT-VENT FIREPLACE CDV37N(A,B) CDV41N(A,B) PART NUMBER DESCRIPTION QTY. PART NUMBER DESCRIPTION QTY. - Page 34 CDV37N/P(A,B) AND CDV41N/P(A,B) DIRECT-VENT FIREPLACE (NATURAL/PROPANE) ILLUSTRATED PARTS BREAKDOWN CDV37P(A,B) CDV41P(A,B) 39-3 11(Included in Hardware Pack) 39-2 39-1 105541...
- Page 35 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 30 of this manual. DIRECT-VENT FIREPLACE CDV37P(A,B) CDV41P(A,B) PART NUMBER DESCRIPTION QTY. PART NUMBER DESCRIPTION QTY.
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Page 36: Warranty Information
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.