CDV7 SERIES Direct Vent Gas Fireplace Installation and Operating Instructions WARNINGS Models: CDVR33n/pv7;n/pe7, CDVT33n/v7;n/pe7, CDVR36n/pv7;n/pe7, CDVT36n/v7;n/pe7, CDVR42n/pv7;n/pe7, CDVT42n/v7;n/pe7, CDVR47n/pv7;n/pe7, CDVT47n/v7;n/pe7 If the information in these instructions are not followed exactly, a fire or explosion may result causing property damage, personal injury or loss of life.
CDV7 Series Gas Fireplace CONTENTS PLEASE READ THE INSTALLATION & OPERATING INSTRUCTIONS BEFORE USING APPLIANCE. Thank you and congratulations on your purchase of a MHSC fireplace. IMPORTANT: Read all instructions and warnings carefully before starting installation. Failure to follow these instructions fully may result in a possible fire hazard and will void the warranty. Important Safety Information..................................... 3 Code Approval......................................................
CDV7 Series Gas Fireplace IMPORTANT SAFETY INFORMATION OWNER Please leave these instructions with the appliance. Please retain these instructions for future reference. WARNING INSTALLER • Read this owner’s manual carefully and completely before trying to assemble, operate, • • or service this fireplace. Any change to this fireplace or its controls can be dangerous.
CDV7 Series Gas Fireplace WARNING 15. This appliance, when installed, must be electrically grounded in accordance with local codes or in the absence of local codes, with the National Electrical Code, ANSI/NFPA 70, or the Canadian Electrical Code, CSA C22.1. 16. Do not obstruct the flow of combustion and ventilation air in any way. Provide adequate clearances around air openings into the combustion chamber along with adequate accessibility clearance for servicing and proper operation. 17.
CDV7 Series Gas Fireplace product features & Gas specifications product SPECIFICATIONS • This appliance has been certified for use with either • • • • • • • natural or propane gas. See appropriate data plates. This appliance is not for use with solid fuels. The appliance is approved for bedroom or bedsitting room installations. The appliance must be installed in accordance with local codes if any. If none exist use the current installation code. ANSI Z223.1/NFPA 54 in the USA, CSA B149 in Canada.
CDV7 Series Gas Fireplace fireplace dimensions & FRAMING G Minimum Rough Opening Depth F 5/8” 1/2” 1/2” M O N M 5/8” L P - Minimum Rough Opening Width Minimum Rough Opening Height 156M” 5/8” 1/2” Q E D C L B C H 1/2” 5/8” 15/16” J I K A Figure 2 CDVR Series Fireplace Dimensions CDVR33 CDVR36 CDVR42 CDVR47 A 33" 37Z\zn" 41" 47" B 35B\," 693011 38B\," 38B\," 38B\," C 31ZZ\zn" CDVR7 DIMS34>\zn" 34>\zn" 34>\zn" D 27C\zn" 29Z\zn" 33Z\zn" 39Z\zn" E 15C\zn" 20C\," 20C\," 20C\," F 13ZZ\zn" 15C
CDV7 Series Gas Fireplace fireplace dimensions & FRAMING G Minimum Rough Opening Depth H I F 5/8” 1/2” 1/2” N P O 5/8” N M Q - Minimum Rough Opening Width Minimum Rough Opening Height 156M” 5/8” 1/2” R E D B C 1/2” 5/8” 15/16” K J A L Figure 3 CDVT Series Fireplace Dimensions CDVT33 CDVT36 CDVT42 CDVT47 A 33" 37Z\zn" 41" 47" B 35B\," 693011 38B\," 38B\," 38B\," C 31ZZ\zn"CDVT7 top dims 34>\zn" 34>\zn" 34>\zn" D 27C\zn" 29Z\zn" 33Z\zn" 39Z\zn" E 15C\zn" 20C\," 20C\," 20C\," F 14C\zn
CDV7 Series Gas Fireplace Before You Start Read this homeowner manual thoroughly and follow all instructions carefully. Inspect all contents for shipping damage and immediately inform your dealer if any damage is found. Do not install any unit with damaged, incomplete, or substitute parts. Check your packing list to verify that all listed parts have been received.
CDV7 Series Gas Fireplace pRE-INSTALLATION INFORMATION Fireplace Location Plan for the installation of your appliance. This includes determining where the unit is to be installed, the vent configuration to be used, framing and finishing details, and whether any optional accessories (i.e. blower, wall switch, or remote control) are desired. Consult your local building code agency to ensure compliance with local codes, including permits and inspections.
CDV7 Series Gas Fireplace CLEARANCES WARNING Clearances to combustibles Follow these instructions carefully to ensure safe installation. Failure to follow instructions exactly can create a fire hazard. The appliance cannot be installed on a carpet, tile or other combustible material other than wood flooring. If installed on carpet or vinyl flooring, the appliance shall be installed on a metal, wood or noncombustible material panel extending full width and depth of the appliance.
CDV7 Series Gas Fireplace SECURE FIREPLACE to floor or framing The fireplace must be secured to the floor and/or to framing studs as shown in Figure 7. Use two (2) wood screws or masonry/ concrete screws to secure fireplace to the floor. Use four (4) screws to attach fireplace to framing. The side nailing flanges are 1/2" or 5/8" to accommodate different wall thickness.
WARNING CDV7 Series Gas Fireplace Venting INSTALLATION INFORMATION 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. installation precautions General Venting Consult local building codes before beginning the installation.
CDV7 Series Gas Fireplace Venting INSTALLATION INFORMATION General Venting Information - Termination Location INSIDE CORNER DETAIL G V H A D L V E C B V F Figure 8 Termination Locations B Fixed Closed Ope V B B V Fixed Closed Operable B V J A CFM145a V VENT TERMINATION B V rable X AIR SUPPLY INLET X M I V K X AREA WHERE TERMINAL IS NOT PERMITTED Canadian Installations1 US Installations2 CFM145a A = Clearance above grade, veranda, porch, 12” (30 cm)DV Termin Location 12”
CDV7 Series Gas Fireplace Venting INSTALLATION INFORMATION Termination Clearances Termination clearances for buildings with combustible and noncombustible exteriors. Alcove Applications* Inside Corner Outside Corner G= Combustible 6" (152 mm) G F= Combustible 6" (152 mm) Noncombustible 2" (51 mm) V Noncombustible 2" (51 mm) V C V E O F Balcony with perpendicular side wall Balcony with no side wall D C E = Min. 6” (152 mm) for non-vinyl sidewalls Min.
CDV7 Series Gas Fireplace Venting INSTALLATION INFORMATION Twist Lock Pipes When using twist lock pipe it is not necessary to use sealant on the joints. The only areas of the venting system that need to be sealed with high temperature silicone sealant are the sliding joints of any telescopic vent section used in the system.
CDV7 Series Gas Fireplace Vent installation VENT PIPE CLEARANCES A Minimum 1" Clearance to Combustibles Permitted All Around Flue at Outside Wall A Minimum of 3" Clearance to the Top Is Required Along Horizontal Length until Flue Pipe Penetrates Outside Wall. 3" CDVR Series 1" A Minimum of 3" Clearance to the Top Is Required Along Horizontal Length until Flue Pipe Penetrates Outside Wall.
CDV7 Series Gas Fireplace Vent installation Vent Opening for Combustible Walls Rear Wall Vent Application 9B\,” (244 mm) Min. When installed as a rear vent unit this appliance may be vented directly to a termination located on the rear wall behind the appliance. • Only MHSC venting components are approved to be • • • used in these applications (Refer to ‘Venting Components’ listed for different installation requirements).
CDV7 Series Gas Fireplace Venting installation Finish Wall Rise Vent Termination FP1472 Figure 18 There must be a 1/2" rise per foot length Top vent Sidewall Application Figure 16 Side View of Final Unit Location FP2294 FP2294 Rear Wall Vent Installations Side View Vent Termination 1/25/00 djt Flex Vent Pipe Follow Steps 1 and 2 on Page 17. Step 3 Install the 4” (102 mm) flex vent pipe to the appliance collars described in “General Information Assembling Vent Pipes”, Page 12.
CDV7 Series Gas Fireplace Venting installation 3 x 90° Elbows 3 x 90° Elbows B A A + B = 17’ (Max.) (5.2m) FP1176 Figure 20 Maximum three (3) 90° elbows per installation 36" (914mm) Max. 7’6" (2.3m) Figure 22 Horizontal Run Reduction FP1178 36" (914mm) Max. B 7’ (2.1 m) A 10’ (3 m) FP1177 Figure 21 Maximum horizontal run with no rise • The maximum number of 90° elbows per side wall installation is three (3).
CDV7 Series Gas Fireplace Venting installation Vertical Sidewall Installation Twist Lock Pipe Step 1 Locate vent opening on the wall. It may be necessary to first position the fireplace and measure to obtain hole location. Depending on whether the wall is combustible or noncombustible, cut opening to size. Figure 25 (For combustible walls first frame in opening.) NOTE: When using flex vent, the opening will have to be measured according to the 1/2” (13 mm) rise in 12” (305 mm) vent run.
CDV7 Series Gas Fireplace Venting installation Step 6 Use appropriate length of pipe sections - telescopic or fixed - and install. The sections which go through the wall are packaged with the starter kit, and can be cut to suit if necessary. Sealing vent pipe and firestop gaps with high temperature sealant will restrict cold air being drawn in around fireplace. 4” Flex Vent Pipe 12" (305mm) Spacer Spring Step 7 Guide the vent terminations 4” and 7” collard into their respective vent pipes.
CDV7 Series Gas Fireplace Venting installation BELOW GRADE INSTALLATION When it is not possible to meet the required vent terminal clearances of 12” (305 mm) above grade level, a snorkel kit is recommended. It allows installation depth down to 7” (178 mm) below grade level. The 7” (178 mm) is measured from the center of the horizontal vent pipe as it penetrates through the wall. Ensure the sidewall venting clearances are observed.
CDV7 Series Gas Fireplace Venting installation • For the minimum height of the vent above the highest point of penetration through the roof refer to Figure 37, Page 24. Max. Height 40’ (12.2 m) Min. Height 8’ (2.4 m) Max. 10’ (3 m) Support Straps Every 3’ (.9 m) Max. Height 40’ (12.2 m) Min. Height 8’ (2.4 m) Max.
CDV7 Series Gas Fireplace Venting installation 9. Install storm collar and seal around the pipe. 10. Add additional vent lengths for proper height. Figure 38 11. Apply high temperature sealant to 4” and 7” collars of vertical vent termination and install. If there is a room above ceiling level, fire stop spacer must be installed on both the bottom ad the top side of the ceiling joists. If an attic is above ceiling level an Attic Insulation Shield must be installed.
CDV7 Series Gas Fireplace fireplace installation 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.
fireplace installation Only persons licensed to work with gas piping may make the necessary gas connections to this appliance. CAUTION WARNING CDV7 Series Gas Fireplace 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 38 A listed manual shutoff valve must be installed upstream of the appliance.
CDV7 Series Gas Fireplace CHECK GAS PRESSURE and Electrical installation 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 30" (mm) flex line with manual shutoff valve has been provided with this appliance. Install and attach 1/2" gas line onto shut-off valve. 3.
Electrical installation CDV7 Series Gas Fireplace A remote wall switch and up to fifteen (15) feet of 18 Ga. wire may be used with this appliance. Attach the wall switch in a junction box at the desired location on the wall. Figure 40. Do not extend beyond the wall switch wire length provided. WARNING Remote Wall mounted Switch Do not connect wall switch to (110 V) circuit. NOTE: Extended lengths of wire may cause the fireplace not to function properly.
CDV7 Series Gas Fireplace Electrical installation WARNING Electronic Pilot Ignition Wiring Do not connect 110-120 VAC to the Remote Wall Switch. The appliance will malfunction.
CDV7 Series Gas Fireplace glass removal & ROCK WOOL PLACEMENT Glass Frame Removal 1. Remove upper and lower louvers. 2. Release the clamps on the bottom of the fireplace. Figure 46 3. Tilt glass frame out and lift glass frame up until it clears the hook on top of the frame. 4. Set glass frame aside. CAUTION Glass Frame Each clamp has a quick spring force. When reinstalling clamps, keep fingers clear. ! WARNING HOT GLASS WILL CAUSE BURNS.
CDV7 Series Gas Fireplace Log placement log placement Figure 48 1. Place rear log (#1) on grate assembly. Log should rest firmly on the two log mounting pins shown. 2. Place top right log (#2) on the rear log. Rest the right back side of the log in the flat area of the rear log. Place the narrow front end of the log next to the center vertical grate bar. 3. Place the top left log (#3) on the rear log. Nest the forked end of the top left log into the fork or the rear log.
CDV7 Series Gas Fireplace Millivolt 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 pilot which must be lit with built-in piezo ignitor while following these instructions exactly. B. BEFORE OPERATING smell all around the appliance area for gas.
CDV7 Series Gas Fireplace millivolt OPERATING INSTRUCTIONS approved leak testing method You may check for gas leaks with the following methods only: • Soap and water solution • An approved leak testing spray danger • Electronic sniffer Never check for gas leak with open flame! WARNING Lighting pilot for the first time If using a soap and water solution to test for leaks, DO NOT spray solution onto control body. NOTE: Remove any excessive pipe compound from the connections.
CDV7 Series Gas Fireplace millivolt OPERATING INSTRUCTIONS Lighting burner OFF RS The “ON/OFF/RS” switch for the main burner can be found behind door of the fireplace. This switch allows you to turn on and to turn off the main burner without using the gas valve knob. Make sure the button is in the “ON” position to light the main burner.
CDV7 Series Gas Fireplace electronic ignition OPERATING INSTRUCTIONS for your safety read before lighting A. This appliance is equipped with an ignition device WARNING If you do not follow these (Piezo) which automatically lights the pilot. Do not instructions exactly, a fire or try to light the burner by hand. explosion may result causing B. BEFORE OPERATING smell all around the appliproperty damage, personal ance area for gas. Be sure to smell next to the floor injury or loss of life.
WARNING CDV7 Series Gas Fireplace cleaning and maintenance Turn off gas before servicing fireplace. It is recommended that a qualified service technician perform these check-ups at the beginning of each heating season. Burner, Pilot and Control Compartment Keep the control compartment, logs, and burner areas surrounding the logs clean by vacuuming or brushing at least twice a year. Make sure the burner porting, pilot air opening and burner air opening are free of obstructions at all times.
cleaning and maintenance CDV7 Series Gas Fireplace Vent System The fireplace and venting system should be inspected before initial use and at least annually by a qualified field service person. Inspect the external vent cap on a regular basis to make sure that no debris is interfering with the airflow. Inspect entire venting system to ensure proper function. Glass Door Thoroughly clean the inside of the glass door after using the fireplace for ten hours. Periodically clean the glass door as necessary.
CDV7 Series Gas Fireplace Standing Pilot Ignition SYMPTOM POSSIBLE CAUSE 1. Spark ignitor will A. Wire disconnected. not light pilot after repeated triggering of B. Defective ignitor. piezo. C. No gas or low gas pressure. D. No Propane/LPG in tank 2. Pilot will not stay lit A. Defective thermocouple after carefully following lighting instructions. B. Defective valve 3. Pilot burning, valve A.
CDV7 Series Gas Fireplace Standing Pilot Ignition SYMPTOM POSSIBLE CAUSE 4. Frequent pilot outage problem. A. Pilot flame may be too high A. Clean and adjust the pilot flame for maximum flame or too low, causing pilot impingement on thermocouple. safety to drop out 5. The pilot and main burner extinguish while in operation A. Inner vent pipe leaking exhaust gases back into system A. Check for flue product leak. Replace defective pipe section. B. Horizontal vent improperly pitched C.
CDV7 Series Gas Fireplace troubleshooting electronic Ignition START 1. Turn gas supply off. 2. Turn ON/OFF switch to “ON” Power to module (24V Normal) NO YES Is there a spark across ignitor sensor gap? NO Check: Line voltage (120VAC) Low voltage transformer (19.5 minimum VAC) ON/OFF switch Wiring connections Unplug ignition lead and check spark at module (24VAC normal). Is spark OK? NO Replace module YES A. Check ignition cable ground wiring, ceramic insulator and gap. Correct if necessary. B.
CDV7 Series Gas Fireplace replacement parts firebox components 3 9 2 5 (CDVT Series) 6 6 6 5 (CDVR Series) 1 12 6 4 10,11 69D3011 41
CDV7 Series Gas Fireplace replacement parts firebox components Item Description Qty. CDVR33 CDVR33 CDVR36 CDVT36 CDVR42 CDVT42 CDVR47 CDVT47 Standard Features 1. Junction Box Assy 1 26D2128K 26D2128K 26D2128K 26D2128K 26D2128K 26D2128K 26D2128K 26D2128K 2. Black Louver 6 54D0246 54D0246 26D0695 26D0695 26D0697 26D0697 26D0699 26D0699 3. Glass Frame Assy 1 69D0238 69D0238 69D0028 69D0028 69D1107 69D1107 69D2105 69D2105 Factory Installed Service Parts 2.
CDV7 Series Gas Fireplace replacement parts Standing Pilot — Millivolt control 2I 1 2C 2T 2 5 4 6 3 8 9 7 10 11,12,13,14 693011 CDV millivolt parts 69D3011 43
CDV7 Series Gas Fireplace REPLACEMENT PARTS Standing Pilot – Millivolt Control Item Description Qty. CDV33NV7 CDV33PV7 CDV36NV7 CDV36PV7 CDV42NV7 CDV42PV7 CDV47NV7 CDV47PV7 1. Gas Valve Assy. 1 37D0117 37D0118 37D0117 37D0118 37D0117 37D0118 37D0117 37D0118 2. 2C. 2I. 2T. 3. 4. 5. 6. 7. 8. 9. 10. 10.
CDV7 Series Gas Fireplace REPLACEMENT PARTS ELECTRONIC IGNITION 1 3 2 LO HI 5 6 7 4 10 9 11 Item 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. #1 #2 #3 #4 #5 #6 7# 8 Description Qty. CDV33NE7 CDV33PE7 CDV36NE7 CDV36PE7 CDV42NE7 CDV42PE7 CDV47NE1 CDV47PE7 Gas Valve Assy.
CDV7 Series Gas Fireplace REPLACEMENT PARTS logs 3 1 2 Item 1. 2. 3.
CDV7 Series Gas Fireplace VENTING COMPONENTS VERTICAL VENTING Description Model Number Vertical Vent Termination Kits Vertical Vent Termination w/ Storm Collar (flashing NOT included) 7TDVSKV Vertical Vent Termination w/ Storm Collar - 8 pack (flashing NOT included) 7TDVSKV/8 Vertical Vent Termination w/ 1/12 - 6/12 Flashing, Storm Collar and Ceiling Support Kit 7TDVSKVA* Vertical Vent Termination w/ 6/12 - 12/12 Flashing, Storm Collar and Ceiling Support Kit 7TDVSKV
CDV7 Series Gas Fireplace VENTING COMPONENTS HORIZONTAL VENTING Description Model Number Horizontal Vent Termination Kits Rear Vent Hot Touch Termination Kit w/ 10" to 16" 7TBRHTK Adjustable Termination Pipe, Firestop, and Hot Touch Termination w/ Siding Shield Up and Out Side Wall Termination Kit w/ 10" to 16" 7TDVSCTK Adjustable Termination Pipe, 90° Elbow, Firestop, and Cool Touch Termination w/ Siding Shield Rear Vent Cool Touch Termination w/ Siding Shield for
CDV7 Series Gas Fireplace 69D3011 49
Massachusetts Residents Only — Please read and follow these special requirements NOTE REGARDING VENTED PRODUCTS This product must be installed by a licensed plumber or gas fitter when installed within the Commonwealth of Massachusetts. Any residence with a direct vent product must have a CO detector installed in the residence. Installation of the fireplace or vented gas log in the State of Massachusetts requires the damper to be permanently removed or welded in the fully open position.
Limited 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.
Efficiency Ratings Model EnerGuide Ratings Fireplace Efficiency (%) CDVR33NV7 62.6 CDVR33PV7 64.3 CDVR33NE7 66.8 CDVR33PE7 68.1 CDVR36NV7 47.7 CDVR36PV7 53.6 CDVR36NE7 49.7 CDVR36PE7 56.1 CDVR42NV7 66.8 CDVR42PV7 68.7 CDVR42NE7 71.0 CDVR42PE7 72.3 CDVR47NV7 65.6 CDVR47PV7 67.1 CDVR47NE7 69.6 CDVR47PE7 70.6 CDVT33NV7 45.9 CDVT33PV7 53.0 CDVT33NE7 47.6 CDVT33PE7 55.4 CDVT36NV7 47.7 CDVT36PV7 53.6 CDVT36NE7 49.7 CDVT36PE7 56.1 CDVT42NV7 56.3 CDVT42PV7 64.3 CDVT42NE7 59.1 CDVT42PE7 67.6 CDVT47NV7 54.