Specifications

ManualsBrandsMHSC ManualsLawn and Garden400DVBNVMH7



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



Homeowner’s Installation &

Operation Manual





      

    



         





 

  

  



  



  



      

       





       







       





          

        





 





     





                   

     



    







       

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

  









54D4500 10/09 Rev. 1

544500

MHDV cover

Summary of content (48 pages)

PAGE 1
Direct Vent Gas Fireplace for Manufactured Homes Models: 400DVBNVMH7, 400DVBPVMH7 Homeowner’s Installation & Operation Manual WARNING If the information in these instructions 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.
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Direct Vent Gas Fireplace for Mobile Homes CONTENTS Important Safety Information.................................... 3 Checking Gas Pressure .......................................... 30 Code Approval............................................................ 4 Electrical Installation............................................... 30 Electrical Wiring................................................... 30 Product Features........................................................
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Direct Vent Gas Fireplace for Mobile Homes 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.
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Direct Vent Gas Fireplace for Mobile Homes IMPORTANT: PLEASE READ THE FOLLOWING CAREFULLY It is normal for fireplaces fabricated of steel to give off some expansion and/or contraction noises during the start up or cool down cycle. Similar noises are found with your furnace heat exchanger or car engine. IMPORTANT: PLEASE READ THE FOLLOWING CAREFULLY It is not unusual for gas fireplaces to give off some odor the first time it is burned. This is due to the manufacturing process.
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PRODUCT FEATURES and CODE APPROVAL Direct Vent Gas Fireplace for Mobile Homes 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.
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FIREPLACE DIMENSIONS Direct Vent Gas Fireplace for Mobile Homes Minimum Rough Opening Height 29" (737 mm) 1/2”5/8” 5/8”1/2” 1/2” or 5/8” 3756O” (953 mm) Minimum Rough Opening Width 156M” (32”) m 46 15 ”( 41 6M" (1061 mm) 60 (6 1/ 2” 5/ 8” m ) 5/ 8”1 /2 ” (7 30 73 (6QE m ” m ) 4356QE” (1094 mm) 4356QE” (1094 mm) Minimum Rough Opening Depth 15 6M” (400 mm) 16” (406 mm) 5/8" 256O” (64 mm) 29” (737 mm) 20 6 ” (518 mm) 3756O” (953 mm) 4156O” (1054 mm) 1/2” 3356 ” (841 mm) 1/2” 5/8" Figu
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FIREPLACE LOCATION Direct Vent Gas Fireplace for Mobile Homes 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.
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CLEARANCES Direct Vent Gas Fireplace for Mobile Homes 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.
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SECURE FIREPLACE TO FLOOR or FRAMING Direct Vent Gas Fireplace for Mobile Homes The fireplace must be secured to the floor and/or to framing studs as shown in Figure 6. 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.
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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 Consult local building codes before beginning the installation. The installer must make sure to select the proper vent system for installation.
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VENTING INSTALLATION Optional Rear vent application The appliance is shipped as a top vent unit. If the installation layout requires the unit to be a rear vent configuration the appliance can be converted by following the steps below. When removing and refitting the plates and adapter be sure the associated gaskets are undamaged and refitted as required. WARNING Direct Vent Gas Fireplace for Mobile Homes 1. Remove the eight (8) screws securing the flue pipe adapter to the fireplace body. Figure 8 2.
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VENTING INSTALLATION installation planning There are two basic types of direct-vent installation: • Vertical Termination • Horizontal Termination It is important to select the proper length of vent pipe for the type of termination you choose. It is also important to note the wall thickness. WARNING Direct Vent Gas Fireplace for Mobile Homes Never run the vent pipe down. This may cause excessive temperatures which could cause a fire.
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VENTING INSTALLATION Direct Vent Gas Fireplace for Mobile Homes General Venting Information - Termination Location INSIDE CORNER DETAIL G V H A D L V E C B V F Figure 10 Termination Locations B Fixed Closed Ope ra V B B V B V VENT TERMINATION B V J A CFM145a V Fixed Closed Operable ble 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 Locati
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VENTING INSTALLATION Direct Vent Gas Fireplace for Mobile Homes TERMINATION CLEARANCES FOR BUILDINGS WITH COMBUSTIBLE AND NONCOMBUSTIBLE EXTERIORS D C C G G=6" (152mm) V V V F=6" (152mm) F Inside Corner Outside Corner C = Maximum depth of 48" (1219mm) for alcove location D = Minimum width for back wall of alcove location Combustible - 38" (965mm) Noncombustible - 24" (610mm) E = Clearance from corner in alcove location Combustible - 6" (152mm) Noncombustible - 2" (51mm) H G V V J G = Combust
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VENTING INSTALLATION Direct Vent Gas Fireplace for Mobile Homes Twist Lock Pipes Vertical Dimension from the Floor of Unit to the Center of the Horizontal Vent Pipe 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.
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VENTING INSTALLATION Direct Vent Gas Fireplace for Mobile Homes • The maximum angular variation allowed in the system is 270°. Figure 17 For the minimum height of the vent above the highest point of penetration through the roof refer to Page 17, Figure 22. • 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.
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VENTING INSTALLATION Direct Vent Gas Fireplace for Mobile Homes 9. Install storm collar and seal around the pipe. 10. Add additional vent lengths for proper height. Figure 21 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.
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VENTING INSTALLATION Direct Vent Gas Fireplace for Mobile Homes Note: The flex vent system includes spring spacers around the flue at intervals of approximately 1 foot apart. These springs are not to be removed, but are necessary for proper centering of the flue system. Assemble the roof support components as shown in Figures 23 and 24. 1. Attach the adjustable “L” shaped roof brackets to the vent support band using 1/2” carriage bolts, nuts and lock washers.
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VENTING INSTALLATION Direct Vent Gas Fireplace for Mobile Homes Figure 26 Figure 30 Figure 27 KT1044 7. Once secured to the roof support assembly, the flex flue and outer venting can be cut off at the fireplace as KT1044 needed to make the lower vent connections. rooftermination flashingby mating the 4” flue pipe to 8. Install the vent the cap flue. Figure 31 9/08 9. Slide the vent terminal over the 7” dia. pipe. Secure the cap with (3) #8 x 1/2 screws. 10.
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VENTING INSTALLATION Direct Vent Gas Fireplace for Mobile Homes Rear Wall Vent Application Vent Opening for Combustible Walls 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).
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VENTING INSTALLATION Direct Vent Gas Fireplace for Mobile Homes Finish Wall Vent Termination Rise FP1472 Figure 36 There must be a 1/2" rise per foot length Figure 34 Side View of Final Unit Location FP2294 FP2294 Rear Wall Vent Installations Side View Vent Termination Flex Vent Pipe 1/25/00 djt Follow Steps 1 and 2 on Page 20. Step 3 Install the 4” (102 mm) flex vent pipe to the appliance collars described in “General Information Assembling Vent Pipes”, Page 12.
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VENTING INSTALLATION Direct Vent Gas Fireplace for Mobile Homes When installing the appliance as a rear vent unit, the 90° or 45° Transition Elbow attached directly to the rear of the unit is NOT INCLUDED in the following criteria and calculations, and unless specifically mentioned should be ignored when calculating venting layouts. • The maximum number of 90° elbows per side wall installation is three (3).
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VENTING INSTALLATION Direct Vent Gas Fireplace for Mobile Homes 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 43 (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.
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VENTING INSTALLATION Direct Vent Gas Fireplace for Mobile Homes Step 7 Guide the vent terminations 4” and 7” collard into their respective vent pipes. Double check that the vent pipes overlap the collars by 2” (51 mm). Secure the termination to the wall with screws provided and caulk around the wall plate to weatherproof. As an alternative to screwing the termination directly to the wall, you may also use expanding plugs or an approved exterior construction adhesive.
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VENTING INSTALLATION Direct Vent Gas Fireplace for Mobile Homes CATHEDRAL CEILING INSTALLATION 1. Remove shingles or other roof covering as necessary to cut the rectangular hole for the support box. Mark the outline of the cathedral ceiling support box on the roof sheathing using the locating hole as a center point. 2. Cut the hole 1/8” larger than the support box outline. 3. Lower the support box through the hole in the roof until the bottom of the box extends at least 2” below the ceiling.
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Direct Vent Gas Fireplace for Mobile Homes 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 Su
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VENTING COMPONENTS Direct Vent Gas Fireplace for Mobile Homes HORIZONTAL VENTING Description Model Number Horizontal Vent Termination Kits Up and Out Side Wall Termination Kit, includes 12” to 16” 7TBLSCTK Adjustable Termination Pipe, 90° Elbow, Firestops and Cool Touch Termination w/Siding Shield, Additional 12” Section Provided for Min. Vertical Rise.
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FIREPLACE INSTALLATION Direct Vent Gas Fireplace for Mobile Homes 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.
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Direct Vent Gas Fireplace for Mobile Homes Only persons licensed to work with gas piping may make the necessary gas connections to this appliance. CAUTION WARNING FIREPLACE INSTALLATION 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 40 NOTE : The gas line connection may be made using 1/2" rigid tubing or an approved flex connector.
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& electronic Direct Millivolt Vent Gas Fireplace for Mobile HomesCHECK GAS PRESSURE and Electrical installation WARNING leaks. CAUTION 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" (762 mm) flex line with manual shut-off valve has been provided with on this appliance.
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ELECTRICAL INSTALLATION / FAN BLOWER SYSTEM Direct Vent Gas Fireplace for Mobile Homes Remote CONTROL SYSTEM The remote control system is factory installed. Figure 51 Remote Control System and Door Safety Switch NC HI ON OFF PILOT LO NO TH/TP WARNING Glass Door Safety Switch C TH TP Do not connect wall switch to (110 V) circuit. ON RS Remote Control OFF Receiver Selector Switch Fan/Blower Systems (blot) The junction box and the fan/blower systems are factory installed.
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Direct Vent Gas Fireplace for Mobile Homes OPERATING INSTRUCTIONS (MILLIVOLT) 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.
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OPERATING INSTRUCTIONS (MILLIVOLT) Direct Vent Gas Fireplace for Mobile Homes 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.
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OPERATING INSTRUCTIONS (MILLIVOLT) Direct Vent Gas Fireplace for Mobile Homes Lighting burner main burner switch Switch 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 slide switch is in the “ON” position to light the main burner. Figure 55 ON RS OF F Lighting the burner Depress and turn the knob counterclockwise to the “ON” position. Figure 56.
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GLASS REMOVAL Direct Vent Gas Fireplace for Mobile Homes Glass Frame Removal 1. Release clamps on bottom of fireplace. Figure 59 2. Tilt glass frame out and lift glass frame up until it clears three tabs on top of fireplace. 3. Set glass frame aside. Glass Frame FP2104 Three Tabs Clamps WARNING Figure 59 Remove Glass Frame FP2385 MHDV remove glass Each clamp has a quick spring force. When reinstalling clamps, keep fingers clear. ! WARNING HOT GLASS WILL CAUSE BURNS.
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FINAL INSTALLATION Direct Vent Gas Fireplace for Mobile Homes rock wool placement log placement Burner Cover with Rock Wool FP2105 Figure 60 - Placement of Rock Wool on Burner WARNING 1. Place rock wool on burner to provide glowing embers. For best results, pull the rock wool apart into pieces the size of a dime or smaller. 2. Distribute one layer of rock wool to cover the burner. Figure 60 3. Place the logs on the burner. Refer to Log Placement below.
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WARNING CLEANING and MAINTENANCE Direct Vent Gas Fireplace for Mobile Homes 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. Thermocouple Thermopile 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.
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Direct Vent Gas Fireplace for Mobile Homes CLEANING and MAINTENANCE 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 NOTE: The glass door must be installed and latched on both sides for the fireplace burner to operate.
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TROUBLESHOOTING Direct Vent Gas Fireplace for Mobile Homes 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.
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TROUBLESHOOTING Direct Vent Gas Fireplace for Mobile Homes 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.
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REPLACEMENT PARTS Direct Vent Gas Fireplace for Mobile Homes FIREBOX COMPONENTS 3 9 2 5 7 6 4 8 1 10 11 544500 MHDV parts 54D4500 41
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Direct Vent Gas Fireplace for Mobile Homes REPLACEMENT PARTS firebox components Item Description Qty. Part No. Standard Features 1. Junction Box 1 26D2128K 2. Black Louver 6 26D0695 3. Glass Frame Assembly 1 54D0340 Factory Installed Options 4. Thermostat Sensor 1 26D2870 5. Firebrick Center - Tavern Brown 1 54D0184 6. Firebrick Right - Tavern Brown 1 54D0187 7. Firebrick Left - Tavern Brown 1 54D0186 5. Firebrick Center - Cottage Red 1 26D7105 6. Firebrick Right - Cottage Red 1 26D7104 7.
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REPLACEMENT PARTS Direct Vent Gas Fireplace for Mobile Homes 2I 1 2C 2T 2 5 4 6 3 8 9 7 10 11 ON RS OF F STANDING PILOT - MILLIVOLT CONTROL Item Description Qty. 400DVBNVMH7 400DVBPVMH7 544500 1. Gas Valve Assy. 1 37D0117 37D0118 MHDV millivolt parts 2. Pilot Assembly 1 37D0018 37D0019 2C. Replacement Thermocouple 1 37D1067 37D1067 2I. Replacement Igniter and Wire 1 37D1069 37D1069 2T. Replacement Thermopile 1 37D1068 37D1068 3. Burner Tube 1 54D0194 54D0194 4.
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REPLACEMENT PARTS Direct Vent Gas Fireplace for Mobile Homes LOGS 2 4 1 3 Ref. 1. 2. 3. 4. 44 Description Qty. Rear Log #1 1 Bottom Left Log #2 1 Bottom Right Log #3 1 Top Log #4 1 540701 DVB log parts Part No.
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Direct Vent Gas Fireplace for Mobile Homes 54D4500 45
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Massachusetts Residents Only — Please read and follow these special requirements Direct Vent Gas Fireplace for Mobile Homes 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.
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Direct Vent Gas Fireplace for Mobile Homes 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.
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Efficiency Ratings Model EnerGuide Ratings Fireplace Efficiency (%) 400DVBNVMH7 58.4 400DVBPVMH7 58.5 MHSC 149 Cleveland Drive • Paris, Kentucky 40361 www.mhsc.