Summary of the content on the page No. 1
®
DIRECT-VENT FIREPLACE
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.
MBDV37 AND MBDV41
WARNING: If the information in
FOR YOUR SAFETY
these instructions is not followed
— Do not store or use gasoline or other flammable
exactly, a fire or explosio
Summary of the content on the page No. 2
® DIRECT-VENT FIREPLACE 1. Models MBDV37 and MBDV41 use a 10. You must keep control compartments, SAFETY millivolt gas control valve and a milli- burners, and circulating air passages INFORMATION volt ignition system. The fireplace in- clean. More frequent cleaning may be cludes a manual variable blower and an needed due to excessive lint and dust ON/OFF hand-held remote control. from carpeting, bedding material, pet WARNINGS hair, etc. Turn off the gas valve and pi- 2. This appliance is only f
Summary of the content on the page No. 3
OWNER’S MANUAL LOCAL CODES PRODUCT GLOSSARY OF Install and use fireplace with care. Follow FEATURES TERMS all local codes. In the absence to local codes, Chase - A boxlike enclosure to protect OPERATION use the current National Fuel Gas Code, venting from the elements when the venting ANS Z223.1, also known as NFPA 54* This direct-vent fireplace is clean burning run is on the outside of a structure. (USA) or the current CAN/CGA-B149[.1 or and vents easily through outside walls or Mastic - A plia
Summary of the content on the page No. 4
® DIRECT-VENT FIREPLACE CLEARANCES PRE-INSTALLATION Must maintain a minimum Minimum clearances to combustibles for 1" clearance to combustibles PREPARATION the fireplace are as follows: LOCATION AND SPACE Back, and sides 0"/mm REQUIREMENTS Perpendicular walls 6" (152mm) Floor 0"/mm Determine the safest and most efficient loca- Ceiling to louver opening 42" (1067mm) tion for your Vanguard direct-vent fireplace. Front 36" (914mm) Make sure that rafters and wall studs are not Top of Standoffs 0"/
Summary of the content on the page No. 5
OWNER’S MANUAL PRE-INSTALLATION GENERAL VENTING Note: Terminations are not designed for PREPARATION installation prior to transportation. Continued These models are approved for use with 5 Simpson Dura-Vent 6 /8" direct-vent pipe components and terminations as well as both 13" 1 flex and rigid Vanguard vent components. 9 /4" 41" Your fireplace is approved to be vented either 29" through the side wall, or vertically using the following guidelines: • Only use Vanguard or Simpson Dura- Vent GS vent
Summary of the content on the page No. 6
V G G V A E D V B L ® DIRECT-VENT FIREPLACE GENERAL VENTING Continued N N H C I B Fixed V V Fixed Closed Openable Closed Openable B F V J G V X B B M A V K X TERMINATION CAP G GAS METER RESTRICTED AREA V X 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 J = clearance to non-mechanical air
Summary of the content on the page No. 7
OWNER’S MANUAL • Installation of any component part not You may use one or two 90° elbows in this VENTING manufactured or approved by DESA vent configuration. See Horizontal Termina- INSTALLATION International tion Configurations on pages 10 and 11. • Installation other than as instructed by For Vertical Termination: Measure the dis- WARNING: Read all instruc- these instructions tance from the fireplace flue outlet to the tions completely and thoroughly ceiling. Add the ceiling thickness, the v
Summary of the content on the page No. 8
® DIRECT-VENT FIREPLACE 2. Rigid vent pipes and fittings have spe- mately one-quarter turn until the sections VENTING cial twist-lock connections. Assemble are fully locked. See Figure 11. Note: INSTALLATION the desired combination of pipe and el- Horizontal runs of vent must be sup- bows to the appliance adaptor with pipe ported every three feet. Use wall straps Continued seams oriented towards the wall or floor. for this purpose. Installing Vent System in a Chase Twist-lock Procedure: The fema
Summary of the content on the page No. 9
OWNER’S MANUAL 4. Apply a bead of non-hardening mastic 6. Carefully move the fireplace with vent VENTING 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 1 the 7 /2" or 10" hole on the exterior termination. The pipe overlap should Continued 1 wall with the arrow on the vent cap be a minimum of 1 /4". Apply silicone 3. Attach vent pipe assembly to the fire- pointing up. Insur
Summary of the content on the page No. 10
UP UP UP ® DIRECT-VENT FIREPLACE VENTING INSTALLATION Continued Horizontal Venting Vertical (V) Horizontal (H) Horizontal Termination 44" min. 29" max. Configurations (30° and 90° only, no vertical pipe) Figures 16 through 20 show different con- 55" min. 41" max. figurations for venting with horizontal ter- (30° elbow, 1' vertical pipe, 90° elbow) mination. Each figure includes a chart with vertical minimum/maximum and horizon- 67" min. 60" max. tal maximum dimensions which must be 79" min. 84"
Summary of the content on the page No. 11
UP OWNER’S MANUAL VENTING INSTALLATION Continued Venting with Two 90° Elbows Vertical (V) Horizontal (H ) Horizontal (H ) + 1 1 Horizontal (H ) 2 5' min. 2' max. 6' max. 6' min. 4' max. 12' max. 7' min. 6' max. 18' max. 8' min. 8' min. 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 (H ) + 1 Horizontal (H ) 2 5' min. 6' max. 6' min. 12' max. 7' min. 18' max. 8' min. 20'
Summary of the content on the page No. 12
® DIRECT-VENT FIREPLACE Note: If an offset is needed to avoid ob- Flat Ceiling Installation VENTING structions, you must support the vent pipe 1. Cut a 10" square hole in the ceiling us- INSTALLATION every 3 feet. Use wall straps for this pur- ing the locating hole as a center point. pose (see Figure 21). Whenever possible, Continued The opening should be framed to use 45° elbows instead of 90° elbows. The 10"x10" (254mm x 254mm) inside di- INSTALLATION FOR 45° elbow offers less restriction to t
Summary of the content on the page No. 13
OWNER’S MANUAL Vertical Termination Configurations VENTING Figures 25 through 28 show four different configurations for vertical termination. All INSTALLATION connections must be sealed with high temperature silicone sealant as specified in the second Continued warning on page 7. 3. Lower the support box through the hole Venting with Two 90° Elbows in the roof until the bottom of the box Vertical (V) Horizontal (H ) + 1 extends at least 2" below the ceiling Horizontal (H ) 2 (see Figure 23)
Summary of the content on the page No. 14
® DIRECT-VENT FIREPLACE VENTING INSTALLATION Continued Note: Install restrictor into 4" Note: Install restrictor collar of stove as into 4" collar of stove shown. as shown. RVF Kit Shown Vertical Venting Venting with Two 90° Elbows V = 40' max. Vertical (V ) Horizontal (H) 1 Figure 28 - Vertical Rigid Venting Con- figuration With No Horizontal Run 5' min. 6' max. 6' min. 12' max. 7' min. 18' max. 8' min. 20' max. Note: Vertical (V ) + 1 Vertical (V ) = 20' max. 2 Figure 27 - Vertical Rigid Vent
Summary of the content on the page No. 15
OWNER’S MANUAL Vanguard Rigid Venting (Cont.) Vanguard Rigid Venting (Cont.) VENTING Number Description Number Description INSTALLATION GFVK Ground Floor Rigid Vent Kit D2030 7" x 60° Elbow (6 pcs.) Continued Includes: 7" x 60° Elbow, 7" Ad- D2060 7" x 45° Starter Elbow justable Galvanized Coaxial Pipe HIGH ALTITUDE D3000 Wall Strap/Offset Support (7-12"), Wall Thimble, Horizontal INSTALLATION (6 pcs.) Termination, RTV Silicone and 16 D3010 Storm Collar (6 pcs.) Your Vanguard direct-vent firepla
Summary of the content on the page No. 16
® DIRECT-VENT FIREPLACE VENTING CAUTION: Due to high tem- WARNING: A qualified ser- peratures, make sure no wires vice person must install fireplace. INSTALLATION are touching the bottom of the Follow all local codes. Continued firebox. SIMPSON DURA-VENT GS 5 CAUTION: This fireplace cre- 4" x 6 /8 " ates warm air currents. These cur- Number Description rents move heat to wall surfaces Available from DESA International: next to fireplace. Installing fire- SD2040 Simpson Dura-Vent GS place next
Summary of the content on the page No. 17
OWNER’S MANUAL 7. Replace plate containing switches and 9. Check to make sure that the power cord FIREPLACE tighten screws securely. is completely clear of the blower wheel INSTALLATION and that there are no other foreign ob- 8. Plug in blower power cord. jects in blower wheel. Turn blower on Continued a. If your fireplace system is installed and check for operation. Turn blower as a freestanding unit with an ac- BLOWER ASSEMBLY AND off by rotating knob fully counterclock- cessory mantel, determ
Summary of the content on the page No. 18
O T O ® DIRECT-VENT FIREPLACE Note: This unit does FIREPLACE not have a HI/LOW feature INSTALLATION Continued Gas Valve To Thermopile WALL SWITCH INSTALLATION Since the fireplaces use a valve that operates 16AI 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- EA held, ON/OFF remote control is standard Route Millivolt Wires (Supplied) with this unit. Wall switch is optio
Summary of the content on the page No. 19
OWNER’S MANUAL IMPORTANT: Install main gas valve FIREPLACE CAUTION: Use only new, (equipment shutoff valve) in an accessible black iron or steel pipe. Inter- INSTALLATION location. The main gas valve is for turning nally-tinned copper tubing may on and shutting off the gas to the appliance. Continued be used in certain areas. Check Check your building codes for any special your local codes. Use pipe of 1/2" INSTALLING GAS PIPING TO requirements for locating equipment shutoff diameter or greater
Summary of the content on the page No. 20
O T O ® DIRECT-VENT FIREPLACE GAS SUPPLY TESTING CHECKING GAS FIREPLACE CONNECTIONS Note: This section is intended as a guide for INSTALLATION qualified service technicians installing gas Continued WARNING: Test all gas pip- to the appliance. ing and connections for leaks CONNECTING FIREPLACE after installing or servicing. Cor- CAUTION: Do not connect TO GAS SUPPLY rect all leaks at once. appliance before pressure test- Installation Items Needed ing gas piping. Damage to the gas valve may resu
