Table of Contents
Advertisement
Quick Links
OWNER'S OPERATION AND INSTALLATION MANUAL
This fireplace meets
the construction and
safety standards of
H.U.D. for application
in mobile homes when
installed according to
these instructions.
This appliance is
shipped ready for natural
gas installation. The
propane/LP conversion
parts are included.
FOR YOUR SAFETY
— 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.
• 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.
— Installation and service must be performed by a
qualified installer, service agency, or the gas
supplier.
CHECK LOCAL CODES PRIOR TO INSTALLATION
This appliance may be installed as an OEM installation in a manufactured (mobile) home and must
be installed in accordance with the manufacturer's instructions and the Manufactured Home
Construction and Safety Standard, Title 24 CFR, Part 3280 in the United States or the Mobile Home
Standard, CAN/CSA Z240 MH Series, in Canada.
This appliance is only for use with the type of gas indicated on the rating plate. A conversion kit is
supplied with the appliance.
DIRECT-VENT FIREPLACE
MBDV37 AND MBDV41
Save this manual for future reference.
®
WARNING: If the information in
these instructions is not followed
exactly, a fire or explosion may re-
sult causing property damage, per-
sonal injury, or loss of life.
WARNING: Improper installation,
adjustment, alteration, service, or
maintenance to this appliance can
cause injury or property damage.
Refer to this manual. For assistance
or additional information consult a
qualified installer, service agency,
or the gas supplier.
WARNING: This direct-vent gas fire-
place series is intended for use with
Natural or Propane/LP gas only. Do
not attempt to burn any solid fuels
in these appliances.
Advertisement
Table of Contents
Related Manuals for Vanguard MBDV37
Summary of Contents for Vanguard MBDV37
- Page 1 This appliance is only for use with the type of gas indicated on the rating plate. A conversion kit is supplied with the appliance. Save this manual for future reference. MBDV37 AND MBDV41 ® WARNING: If the information in these instructions is not followed...
-
Page 2: Safety Information
WARNING: Any change to this fireplace or its controls can be dangerous. ® Models MBDV37 and MBDV41 use a millivolt gas control valve and a milli- volt ignition system. The fireplace in- cludes a manual variable blower and an ON/OFF hand-held remote control. -
Page 3: Local Codes
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. -
Page 4: Pre-Installation Preparation
DIRECT-VENT FIREPLACE PRE-INSTALLATION PREPARATION LOCATION AND SPACE REQUIREMENTS Determine the safest and most efficient loca- tion for your Vanguard 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. -
Page 5: General Venting
PRE-INSTALLATION PREPARATION Continued 13" 29" " " 58" Note : Where two numbers are given the top number is exclusive to the 37" Fireplace and the bottom number is exclusive to the 41" Fireplace Figure 6 - Framing Clearances for Corner Installation Note: There must be a minimum clearance of 18"... - Page 6 DIRECT-VENT FIREPLACE GENERAL VENTING 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 condensation on window] D = vertical clearance to ventilated soffit located above the terminal within a horizontal distance of 24 inches (610mm) from the...
-
Page 7: Venting Installation
VENTING INSTALLATION WARNING: Read all instruc- tions completely and thoroughly before attempting installation. Failure to do so could result in serious injury, property damage or loss of life. Operation of im- properly installed and maintained venting system could result in serious injury, property damage or loss of life. - Page 8 DIRECT-VENT FIREPLACE VENTING INSTALLATION Continued Installing Vent System in a Chase A chase is a vertical boxlike structure built to enclose venting that runs along the out- side of a building. A chase is not required for such venting. NOTICE: Treatment of firestops and construction of the chase may vary from building type to build- ing type.
- Page 9 VENTING INSTALLATION Continued 3. Attach vent pipe assembly to the fire- place. Set fireplace in front of it’s perma- nent location to insure minimum clear- ances. Mark the wall for a 10" square hole (for noncombustible material such as masonry block or concrete, a 7 "...
- Page 10 DIRECT-VENT FIREPLACE VENTING INSTALLATION Continued Horizontal Termination Configurations Figures 16 through 20 show different con- figurations for venting with horizontal ter- mination. Each figure includes a chart with vertical minimum/maximum and horizon- tal maximum dimensions which must be met. Seal all connections with high tem- perature silicone sealant (outer pipe only) as specified in the second warning statement on page 7.
- Page 11 VENTING INSTALLATION Continued Venting with Two 90 Elbows Vertical (V) Horizontal (H 5' min. 2' max. 6' min. 4' max. 7' min. 6' max. 8' min. 8' min. 20' max. 8' max. Figure 19 - Horizontal Termination Configuration for Rigid Venting Using Two 90 Elbows Venting with Two 90 Elbows Vertical (V) Horizontal (H...
-
Page 12: Installation For Vertical Termination
DIRECT-VENT FIREPLACE VENTING INSTALLATION Continued INSTALLATION FOR VERTICAL TERMINATION Determine the route your vertical vent- ing 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. -
Page 13: Installation
VENTING INSTALLATION Continued 3. 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. Temporarily tack the support box in place through the inside walls and into the roof sheathing. - Page 14 DIRECT-VENT FIREPLACE VENTING INSTALLATION Continued Venting with Two 90 Elbows Vertical (V 5' min. 6' min. 7' min. 8' min. Note: Vertical (V Vertical (V Figure 27 - Vertical Rigid Venting Configuration Using Two 90 Elbows ® Note: Install restrictor into 4"...
-
Page 15: High Altitude Installation
VENTING INSTALLATION Continued HIGH ALTITUDE INSTALLATION Your Vanguard direct-vent fireplace has been AGA tested and approved for eleva- tions 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. -
Page 16: Fireplace Installation
DIRECT-VENT FIREPLACE VENTING INSTALLATION Continued SIMPSON DURA-VENT GS 4" x 6 " Number Description Available from DESA International: SD2040 Simpson Dura-Vent GS 30 Elbow (6 pcs.) SD2050 Simpson Dura-Vent GS 60 Elbow (6 pcs.) Available from Simpson Dura-Vent Only: 7" x 48" Pipe 7"... - Page 17 FIREPLACE INSTALLATION Continued BLOWER ASSEMBLY AND OPERATION Note: The blower is preinstalled in this fireplace. Verify blower assembly place- ment was not altered during shipping and speed control is mounted to bracket. NOTICE: If installing blower in an existing fireplace with gas con- nections, shut off gas supply and disconnect heater from gas sup- ply.
-
Page 18: Wall Switch Installation
DIRECT-VENT FIREPLACE FIREPLACE INSTALLATION Continued WALL SWITCH INSTALLATION Since the fireplaces use a valve that operates on millivolt current generated by the pilot, a wall switch (not included) may be used to activate the gas control valve without the use of normal household electricity. A hand- held, ON/OFF remote control is standard with this unit. -
Page 19: Installing Gas Piping To Fireplace Location
FIREPLACE INSTALLATION Continued INSTALLING GAS PIPING TO FIREPLACE LOCATION WARNING: A qualified ser- vice person must connect fire- place to gas supply. Follow all local codes. CAUTION: For propane/LP units, never connect heater di- rectly to the propane/LP supply. This heater requires an external regulator (not supplied). -
Page 20: Connecting Fireplace To Gas Supply
Figure 42 - Millivolt Control Valve Equipment Shutoff Valve To Gas Supply (Natural) To External Regulator (Propane/LP) GAS RATING MBDV37 NATURAL PROPANE/LP 22,000 Btu/hr 20,000 Btu/hr 3.5 in. W.C. 10.0 in. W.C 4.5 in. W.C. 11.0 in. W.C. 10.5 in. W.C. - Page 21 FIREPLACE INSTALLATION Continued Test Pressures Equal To or Less Than 1/2 PSIG (3.5 kPa) 1. Close equipment shutoff valve (see Fig- ure 43). 2. Pressurize supply piping system by ei- ther 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.
- Page 22 DIRECT-VENT FIREPLACE FIREPLACE INSTALLATION Continued REMOVING/REPLACING GLASS DOOR You must remove glass door to install op- tional brick liners, logs, lava rock, and em- ber material. CAUTION: Do not operate this fireplace with a broken glass door panel. Do not operate this fire- place without the glass door panel securely in place.
- Page 23 FIREPLACE INSTALLATION Continued INSTALLING OPTIONAL BRICK LINER D8037A/D8041 WARNING: If fireplace has been running, turn off and un- plug fireplace. Let cool before installing brick liner. This brick liner kit is optional. You may purchase brick liner from your local dealer or see Accessories, page 38.
- Page 24 Glass Door, page 22. Install logs according to instructions for fireplace model numbers. Fireplace Models MBDV37 and MBDV41 Place log #1 (back log) on top of grate. Make sure the notches in the bottom of the log fit over the grate (see Figure 50).
-
Page 25: Maintenance Instructions
OPERATING GUIDELINES AND MAINTENANCE INSTRUCTIONS When lit for the first time, the appliance may emit a slight odor for about 16 - 24 hours. This is normal and is due to the “curing” of the logs and the “burn-in” of internal paints and lubricants used in the manufacturing process. -
Page 26: Operating Fireplace
DIRECT-VENT FIREPLACE OPERATING FIREPLACE FOR YOUR SAFETY READ BEFORE LIGHTING WARNING: If you do not fol- low these instructions exactly, a fire or explosion may result caus- ing property damage, personal injury or loss of life. A. This appliance has a pilot which must be lighted by hand. -
Page 27: Inspecting Burners
OPERATING FIREPLACE Continued REMOTE OPERATION Follow instructions included with the re- mote control. NOTICE: You must light the pilot before using the hand-held re- mote control unit. See Lighting Instructions, page 26. After lighting, let pilot flame burn for about one minute. Turn gas control knob on the control valve to ON posi- tion. -
Page 28: Cleaning And Maintenance
DIRECT-VENT FIREPLACE INSPECTING BURNERS Continued Figure 59 shows a typical flame pattern for MBDV37 and MBDV41. If burner flame pattern differs from that described: • turn fireplace off (see To Turn Off Gas to Appliance, page 26) • see Troubleshooting, pages 31 through 34... -
Page 29: Before You Begin
OWNER’S MANUAL Propane/LP Main Burner Orifice (18mm Hex) Note: For Model MBDV37 - #55 Drill Size (Stamped with #132 for Identification) For Model MBDV41 - #54 Drill Size (Stamped with #139 for Identification) Propane/LP Pilot Orifice Note: The pilot orifice has... -
Page 30: Final Preparation
DIRECT-VENT FIREPLACE INSTALLATION INSTRUCTIONS FOR CONVERSION NATURAL TO PROPANE/LP Continued Remove the burner by loosening the two 5/16" hex mounting screws (see Figure 62). Lift burner up and out. Convert the pilot burner by changing out the pilot orifice. Remove the compres- sion nut and compression sleeve from the pilot. -
Page 31: Troubleshooting
TROUBLESHOOTING Note: For additional help, visit DESA International’s technical service web site at www.desatech.com. Note: All troubleshooting items are listed in order of operation. OBSERVED PROBLEM When ignitor button is pressed, there is no spark at pilot When ignitor button is pressed, there is spark at pilot but no ignition Pilot lights but flame goes out when control knob is released... - Page 32 DIRECT-VENT FIREPLACE TROUBLESHOOTING Continued OBSERVED PROBLEM Pilot will not light No gas to burner, although wall switch and valve are set to the ON position Frequent pilot outage Burner goes off after a short time Burner does not light after pilot is lit ®...
- Page 33 TROUBLESHOOTING Continued OBSERVED PROBLEM Delayed ignition burner Burner backfiring during combustion Slight smoke or odor during initial operation Fireplace produces a whistling noise when burner is lit Glass soots Fireplace produces a clicking/ticking noise just after burners are lit or shut off Remote does not function 106497 OWNER’S MANUAL...
- Page 34 DIRECT-VENT FIREPLACE 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.
-
Page 35: Replacement Parts
DESA International’s Technical Service Department at 1-800-DESA LOG (1-800-337-2564). You can also visit DESA International’s technical service www.desatech.com. MBDV37 MBDV41 33" x 37" x 18 " 35" x 41" x 18 838 x 940 x 470mm 838 x 1041 x 470mm 36"... -
Page 36: Illustrated Parts Breakdown
DIRECT-VENT FIREPLACE ILLUSTRATED PARTS BREAKDOWN MBDV37 MBDV41 34-2 34-4 ® 34-3 34-5 34-1 11 (Included in Hardware Pack) 106497... -
Page 37: Parts List
PARTS LIST DIRECT-VENT FIREPLACE MBDV37 MBDV41 PART NUMBER DESCRIPTION 104547-02 Top Outer Casing-37" 104547-03 Top Outer Casing-41" 104474-02 Outer Casing-37" 104474-03 Outer Casing-41" 104548-02 Bottom Outer Casing-37" 104548-01 Bottom Outer Casing-41" 104479-12BR Firebox Assembly-37" 104479-11BR Firebox Assembly-41" M11084-26 Screw, Hex... - Page 38 DIRECT-VENT FIREPLACE ACCESSORIES Purchase these fireplace accessories from your local dealer. If they can not supply these accessories, call DESA International’s Sales Department at 1-800-432-2382. for information. You can also write to the ad- dress listed on the back page of this manual. BRASS PERIMETER TRIM KIT - D9037(37")/GA6091(41") (Not Shown)
- Page 39 OWNER’S MANUAL NOTES _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ 106497...
-
Page 40: Warranty Information
WARRANTY INFORMATION 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.
Need help?
Do you have a question about the MBDV37 and is the answer not in the manual?
Questions and answers