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(VENT-FREE) NATURAL GAS STOVE HEATER
OWNER'S OPERATION AND INSTALLATION MANUAL
WARNING: If the information in this
manual 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.
• 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 sup-
plier, call the fire department.
— Installation and service must be per-
formed by a qualified installer, ser-
vice agency, or the gas supplier.
This appliance may be installed in an aftermarket*, permanently located, manufac-
tured (mobile) home, where not prohibited by state or local codes.
This appliance is only for use with the type of gas indicated on the rating plate.
This appliance is not convertible for use with other gases.
* Aftermarket: Completion of sale, not for purpose of resale, from the manufacturer
Variable Manual-Control or Model MSVFBNR
Save this manual for future reference.
Sun Valley Stove Model MSVFBN Series
Series Remote-Ready Gas Log Heater
(Burner System For Cast Iron Stoves)
For technical support call DESA
International's Technical Service
Department at 1-800-DESALOG
(1-800-337-2564).
Patent Pending
WARNING: The MSVFBN(R) series vent-
free gas log heater is only approved for
use in the Sun Valley MC(*) series and
MCH(P) series cast iron stove models.
(* Indicates Color Suffix Designation)
WARNING: Improper installation, adjust-
ment, alteration, service, or maintenance
can cause injury or property damage.
Refer to this manual for correct installa-
tion and operational procedures. For as-
sistance or additional information con-
sult a qualified installer, service agency,
or the gas supplier.
WARNING: This is an unvented gas-fired
heater. It uses air (oxygen) from the room in
which it is installed. Provisions for adequate
combustion and ventilation air must be pro-
vided. Refer to Air for Combustion and
Ventilation section on page 4 of this manual.
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Summary of Contents for Desa MSVFBNR Series
- Page 1 Save this manual for future reference. Sun Valley Stove Model MSVFBN Series Variable Manual-Control or Model MSVFBNR Series Remote-Ready Gas Log Heater (Burner System For Cast Iron Stoves) For technical support call DESA International’s Technical Service Department at 1-800-DESALOG (1-800-337-2564). Patent Pending...
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Page 2: Safety Information
SUN VALLEY STOVE COMPANY VENT-FREE NATURAL GAS STOVE HEATER SAFETY INFORMATION WARNINGS WARNING ICON G 001 IMPORTANT: Read this owner’s manual carefully and completely before trying to assemble, oper- ate, or service this heater. Im- proper use of this heater can cause serious injury or death from burns, fire, explosion, electrical shock, and carbon monoxide... -
Page 3: Product Identification
PRODUCT IDENTIFICATION Stove Body Piezo Ignitor Stove Door Gas Log Heater (Shown in the Base Assembly open position) Figure 1 - Typical Stove Cabinet Model (Shown with Model MSVFBNR Heater) LOCAL CODES Install and use heater with care. Follow all local codes. -
Page 4: Air For Combustion And Ventilation
SUN VALLEY STOVE COMPANY VENT-FREE NATURAL GAS STOVE HEATER AIR FOR COMBUSTION AND VENTILATION WARNING: This heater shall not be installed in a confined space or unusually tight con- struction unless provisions are provided for adequate combus- tion and ventilation air. Read the following instructions to in- sure proper fresh air for this and other fuel-burning appli-... -
Page 5: Determining Fresh-Air Flow For Heater Location
AIR FOR COMBUSTION AND VENTILATION Continued DETERMINING FRESH-AIR FLOW FOR HEATER LOCATION Determining if You Have a Confined or Unconfined Space Use this work sheet to determine if you have a confined or unconfined space. Space: Includes the room in which you will install heater plus any adjoining rooms with doorless passageways or ventilation grills between the rooms. - Page 6 SUN VALLEY STOVE COMPANY VENT-FREE NATURAL GAS STOVE HEATER AIR FOR COMBUSTION AND VENTILATION Continued VENTILATION AIR Ventilation Air From Inside Building This fresh air would come from an adjoining unconfined space. When ventilating to an adjoining unconfined space, you must pro- vide two permanent openings: one within 12"...
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Page 7: Installation
INSTALLATION NOTICE: This heater is intended for use as supplemental heat. Use this heater along with your pri- mary heating system. Do not in- stall this heater as your primary heat source. If you have a central heating system, you may run system’s circulating blower while using heater. -
Page 8: Stove Cavity Assembly
SUN VALLEY STOVE COMPANY VENT-FREE NATURAL GAS STOVE HEATER INSTALLATION Continued STOVE CAVITY ASSEMBLY Lift off corrugated box enclosing stove body crating. 2. Remove all screws fastening the wood frame enclosure. Spread wood frame open and lift away from plastic-bagged stove body. - Page 9 INSTALLATION Continued Washers Bottom Of Stove Unit Bolt Figure 9 - Attaching Stove Legs Washers Bolt Bottom Of Stove Unit Stove Bottom Figure 10 - Attaching Stove Bottom 105985 OWNER’S MANUAL 10. Attach stove door by inserting step bolt through door hinge pivot hole and into threaded hole in stove body (see Figure 8 on page 8, and Figure 11).
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Page 10: Installing Gas Log Heater Into Stove
SUN VALLEY STOVE COMPANY VENT-FREE NATURAL GAS STOVE HEATER INSTALLATION Continued INSTALLING GAS LOG HEATER INTO STOVE CAUTION: Do not remove the metal data plates attached to the heater base assembly. The data plates contain important warranty information. WARNING: Failure to position the parts in accordance with these diagrams or failure to use only parts specifically approved with... -
Page 11: Connecting To Gas Supply
CSA/AGA Design-Certified Equipment Shutoff Valve With 1/8" NPT Tap* Approved Flexible Gas Hose (if allowed by local codes) Gas Control Figure 18 - Gas Connection (MSVFBNR Series) From Gas Meter (5" W.C.** to 10.5" W.C. Pressure) Tee Joint Sediment Pipe... -
Page 12: Checking Gas Connections
SUN VALLEY STOVE COMPANY VENT-FREE NATURAL GAS STOVE HEATER INSTALLATION Continued We recommend that you install a sediment trap in supply line as shown in Figures 18 and 19, page 11. Locate sediment trap where it is within reach for cleaning. Install in piping system between fuel supply and heater. -
Page 13: Remote Control
INSTALLATION Continued INSTALLING OPTIONAL WALL MOUNTED THERMOSTAT - GWMT1 WARNING: Installation must be done by a qualified installer familiar with low voltage wiring procedures. WARNING: Do not connect this thermostat to any electrical source! Electrical shock and/or fire hazard will occur. 1. -
Page 14: Operating Heater
SUN VALLEY STOVE COMPANY VENT-FREE NATURAL GAS STOVE HEATER OPERATING HEATER 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. -
Page 15: To Turn Off Gas To Appliance
OPERATING HEATER Continued TO TURN OFF GAS TO APPLIANCE Shutting Off Heater 1. Turn control knob clockwise to the OFF position. 2a. Set selector switch in the OFF position. 2b. If Using Optional Hand-Held Re- mote: Set selector switch in the OFF position to keep from draining battery. - Page 16 SUN VALLEY STOVE COMPANY VENT-FREE NATURAL GAS STOVE HEATER OPERATING HEATER Continued • In the AUTO mode, the thermostat in the hand-held remote unit con- trols the room temperature. To in- crease the room temperature, press the top arrow of the TEMP button. To lower the room temperature, press the bottom arrow of the TEMP button.
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Page 17: Inspecting Burners
OPERATING HEATER Continued MANUAL LIGHTING PROCEDURE 1. Follow steps 1 through 5 under Light- ing Instructions, page 16. 2. Pilot is located inside stove cavity at- tached to burner. Lift off top grate to allow access to pilot. 3. Depress control knob and light pilot with match. -
Page 18: Cleaning And Maintenance
SUN VALLEY STOVE COMPANY VENT-FREE NATURAL GAS STOVE HEATER CLEANING AND MAINTENANCE WARNING: Turn off heater and let cool before cleaning. CAUTION: You must keep control areas, burner, and circu- lating air passageways of heater clean. Inspect these areas of heater before each use. -
Page 19: 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 ODS/pilot When ignitor button is pressed, there is... - Page 20 SUN VALLEY STOVE COMPANY VENT-FREE NATURAL GAS STOVE HEATER TROUBLESHOOTING Continued OBSERVED PROBLEM Delayed ignition burner Burner backfiring during combustion Slight smoke or odor during initial operation Moisture/condensation noticed on windows Heater produces a whistling noise when burner is lit Dark residue on logs or inside of fireplace White powder residue forming within burner box or on adjacent walls or furniture...
- Page 21 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 22: Specifications
TECHNICAL SERVICE You may have further questions about in- stallation, operation, or troubleshooting. If so, contact DESA International’s Technical Service Department at 1-800-DESA LOG (1-800-337-2564). You can also visit DESA International’s technical service site www.desatech.com. WIRING DIAGRAM (MSVFBNR Series Remote-... - Page 23 ACCESSORIES Purchase these heater accessories from your local dealer. If they can not supply these accessories, call our Parts Department at 1- 800-972-7879 for referral information. You can also write to the address listed on the back page of this manual. EQUIPMENT SHUTOFF VALVE - GA5010 For all models.
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Page 24: Illustrated Parts Breakdown
SUN VALLEY STOVE COMPANY VENT-FREE NATURAL GAS STOVE HEATER ILLUSTRATED PARTS BREAKDOWN MSVFBNR For more information, visit www.desatech.com 105985... -
Page 25: Parts List
PARTS LIST This list contains replaceable parts used in your heater. When ordering parts, follow the instructions listed under Replacement Parts on page 22 of this manual. MSVFBNR 105985 OWNER’S MANUAL PART NUMBER DESCRIPTION 104026-01 Stove Log 103779-01 ODS Pilot (NG) 098249-01 ODS Nut 104423-01... - Page 26 SUN VALLEY STOVE COMPANY VENT-FREE NATURAL GAS STOVE HEATER ILLUSTRATED PARTS BREAKDOWN MSVFBN For more information, visit www.desatech.com 105985...
- Page 27 PARTS LIST This list contains replaceable parts used in your heater. When ordering parts, follow the instructions listed under Replacement Parts on page 22 of this manual. MSVFBN PART 104026-01 098276-01 098249-01 102776-05CK 102844-02 102966-02 098867-14 102798-01 102779-03 099056-26 102843-01 102980-01 102568-07 098508-01...
- Page 28 SUN VALLEY STOVE COMPANY VENT-FREE NATURAL GAS STOVE HEATER ILLUSTRATED PARTS BREAKDOWN SUN VALLEY STOVE MC(*) SERIES (*Indicates Color Suffix Designation) For more information, visit www.desatech.com 105985...
- Page 29 PARTS LIST This list contains replaceable parts used in your stove. When ordering parts, follow the instructions listed under Replacement Parts on page 22 of this manual. SUN VALLEY STOVE MC(*) SERIES (*Indicates Color Suffix Designation) PART 104171-02 104171-03 104171-04 104172-02 104173-10 104173-11...
- Page 30 SUN VALLEY STOVE COMPANY VENT-FREE NATURAL GAS STOVE HEATER ILLUSTRATED PARTS BREAKDOWN SUN VALLEY STOVE MCH(P) SERIES HEPPLEWHITE STOVE DESIGN For more information, visit www.desatech.com 105985...
- Page 31 PARTS LIST This list contains replaceable parts used in your stove. When ordering parts, follow the instructions listed under Replacement Parts on page 22 of this manual. SUN VALLEY STOVE MCH(P) SERIES HEPPLEWHITE STOVE DESIGN KEY PART DESCRIPTION 104171-13 Top Grate with Screen (Center) (Black Only) 104171-14 Top Grate with Screen...
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Page 32: Warranty Information
VENT-FREE NATURAL GAS LOG HEATERS AND STOVE CHASSIS DESA International warrants this product to be free from defects in materials and components for four (4) years from the date of first purchase, provided that the product has been properly installed, operated and maintained in accordance with all applicable instructions.
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