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(VENT-FREE) NATURAL GAS STOVE HEATER

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.

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.

Patent Pending

Sun Valley Stove Model MSVFBN Series

Variable Manual-Control or Model MSVFBNR

Series Remote-Ready Gas Log Heater

(Burner System For Cast Iron Stoves)

OWNER’S OPERATION AND INSTALLATION MANUAL

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.

Save this manual for future reference.

(* Indicates Color Suffix Designation)

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

For technical support call DESA
International’s Technical Service
Department at 1-800-DESALOG
(1-800-337-2564).

Summary of Contents for MSVFBNR Series

Page 1: ...ervice agency or the gas supplier WARNING This is an unvented gas fired heater Itusesair oxygen fromtheroomin whichitisinstalled Provisionsforadequate combustionandventilationairmustbepro vided Refer...

Page 2: ...aners or similar products turn heater off If heated the vapors from these products may create a white pow der residue within burner box or on adjacent walls or furniture 9 This heater needs fresh outs...

Page 3: ...outside venting There is no heat loss out a vent or up a chimney Heat is generated by realistic dancingyellowflames Thisheater is designed for vent free operation State and local codes in some areas p...

Page 4: ...ter vapor retarder with a rating of one perm 6 x 10 11 kg per pa sec m2 or less with open ings gasketed or sealed and b weather stripping has been added on openable windows and doors and c caulking or...

Page 5: ..._________Btu Hr Do not include direct vent gas appliances Direct vent draws combustion air from the outdoors and vents to the outdoors 4 Compare the maximum Btu Hr the space can support with the actua...

Page 6: ...power vent Figure 2 Ventilation Air from Inside Building VENTILATION AIR Ventilation Air From Inside Building Thisfreshairwouldcomefromanadjoining unconfined space When ventilating to an adjoining unc...

Page 7: ...This stove is a freestanding unit designed to set directly on the floor Do not place stove directly on carpeting vinyl tile or any com bustiblematerialotherthanwood Thestove mustsetonametalorwoodpane...

Page 8: ...ove see Figure 5 Use an adjustable wrench or a 10 mm socket Remove six 6 bolts and washers Keep bolts and washers to reattach back panel later 5 Remove all contents from inside stove cavity Contents i...

Page 9: ...see Fig ure 8 page 8 Use an adjustable wrench or a 12mm socket The catch bolt has two hex nuts attached to it see Figure 12 The top nut is a bolt stop and the bottom nut is for door leveling adjustmen...

Page 10: ...is seated into U shaped cutout in center of heater base Log will fit securely on base IMPORTANT Make sure log does not cover any burner ports and does not touch the stove cavity see Figure 16 9 Fasten...

Page 11: ...wellhead gas CAUTION Usepipejointseal ant that is resistant to liquid pe troleum LP gas INSTALLATION Continued CONNECTING TO GAS SUPPLY WARNING A qualified service personmustconnectheatertogas supply...

Page 12: ...ter Gas Connections 1 Open equipment shutoff valve see Fig ure 20 2 Open main gas valve located on or near gas meter 3 Make sure control knob of heater is in the OFF position 4 Check all joints from e...

Page 13: ...nient loca tion to mount your thermostat no out side wall IMPORTANT The wire must not exceed 25 feet in length The thermostat should be mounted 54 above the floor in a location where there is good air...

Page 14: ...e floor If you smell gas STOP Follow B in the safety in formation column 1 If you don t smell gas go to the next step 6 Press in and turn control knob coun terclockwise to the PILOT position Press in...

Page 15: ...he burners will turn on and off automati cally to maintain the comfort level you select The ideal comfort setting will vary byhouseholddependingupontheamount of space to be heated the output of the ce...

Page 16: ...til repairs are made light pilot with match To light pilot with match see Manual Light ing Procedure page 17 Figure 29 Control Knob and Ignitor Button Location Control Knob Ignitor Button Figure 30 Pi...

Page 17: ...gh 21 Figure 33 Correct Pilot Flame Pattern Figure 33 Incorrect Pilot Flame Pattern Thermocouple Pilot Burner Pilot Burner Thermocouple BURNERPRIMARYAIRHOLES Air is drawn into the burner through the h...

Page 18: ...Figure 35 3 Blow air through the ports slots and holes in the burner Figure 35 Injector Holder On Outlet Burner Tube 4 Check the injector holder located at the end of the burner tube again Remove any...

Page 19: ...s pressure is too low 3 Burner orifice diameter is too small 4 Thermopile leads disconnected or im properly connected 5 Burners will not come on in remote position REMEDY 1 Reconnect ignitor cable 2 F...

Page 20: ...atural gas company 3 Observe minimum installation clear ances see page 7 4 Clean burner see Cleaning and Mainte nance page 18 or replace burner orifice 1 Properly locate logs see Installing Gas Log He...

Page 21: ...ticking noise just after burner is lit or shut off Heater produces unwanted odors Heater shuts off in use ODS operates Gas odor even when control knob is in OFF position Gas odor during combustion REM...

Page 22: ...heater the replacement part number SERVICE HINTS When Gas Pressure Is Too Low pilot will not stay lit burners will have delayed ignition heater will not produce specified heat When Gas Quality Is Bad...

Page 23: ...an turn the gas log heater on and off without ever leaving the comfort of your easy chair RECEIVER AND HAND HELD REMOTE CONTROL KIT GHRC SERIES For remote ready models Allows the gas log heater to be...

Page 24: ...EATER SUN VALLEY STOVE COMPANY For more information visit www desatech com ILLUSTRATED PARTS BREAKDOWN MSVFBNR O F F P I L O T O N H I L O H I L O O F F P I L O T O N 17 17 18 19 24 15 14 16 13 12 12...

Page 25: ...80 01 Burner 1 9 099387 15 Pilot Tube Valve to regulator 1 10 103781 01 Gas Control Valve 1 11 103345 02 Lower Bracket 1 12 M11084 38 Screw 8 x 38 7 13 104383 02CK Painted Base Assy 1 14 098271 07 Ign...

Page 26: ...NT FREE NATURAL GAS STOVE HEATER SUN VALLEY STOVE COMPANY For more information visit www desatech com ILLUSTRATED PARTS BREAKDOWN MSVFBN 20 7 20 20 5 8 15 16 18 22 20 21 17 19 18 3 9 12 1 10 11 6 20 4...

Page 27: ...or 1 8 102798 01 Inlet Tube 1 9 102779 03 Outlet Burner Tube 1 10 099056 26 Burner Orifice Injector 1 11 102843 01 Burner Clip 1 12 102980 01 Burner 1 13 102568 07 Control Valve 1 14 098508 01 Valve R...

Page 28: ...RAL GAS STOVE HEATER SUN VALLEY STOVE COMPANY For more information visit www desatech com ILLUSTRATED PARTS BREAKDOWN SUN VALLEY STOVE MC SERIES Indicates Color Suffix Designation 1R 1C 1L 5 8 8 7 4 6...

Page 29: ...elain Enamel Almond 4 Total Per Stove 1 104175 14 One Leg Porcelain Enamel Green 4 Total Per Stove 1 104175 15 One Leg Porcelain Enamel Red 4 Total Per Stove 1 6 104176 01 Leg Leveler bolt M8 x 1 25 5...

Page 30: ...GAS STOVE HEATER SUN VALLEY STOVE COMPANY For more information visit www desatech com ILLUSTRATED PARTS BREAKDOWN SUN VALLEY STOVE MCH P SERIES HEPPLEWHITE STOVE DESIGN 2 9 11 5 4 10 8 6 13 14 12 14...

Page 31: ...ft Rear Leg Metallic Black 1 104175 31 Left Rear Leg Porcelain Enamel Black 1 104175 32 Left Rear Leg Porcelain Enamel Navy 1 104175 33 Left Rear Leg Porcelain Enamel Almond 1 104175 34 Left Rear Leg...

Page 32: ...will be the responsibility of the owner TOTHEFULLEXTENTALLOWEDBYTHELAWOFTHEJURISDICTIONTHATGOVERNSTHESALEOFTHEPRODUCT THIS EXPRESS WARRANTY EXCLUDES ANY AND ALL OTHER EXPRESSED WARRANTIES AND LIMITS...

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