Monessen Hearth VFCS20DNV Manuale utente
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READ AND SAVE THESE INSTRUCTIONS
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 provided. Refer to page 8.
WARNINGS
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 supplier, call the
fire department.
– Installation and service must be performed by
a qualified installer, service agency or the gas
supplier.
WARNINGS
This appliance may be installed in
an aftermarket, permanently located,
manufactured (mobile) home, where
not prohibited by 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.
UNVENTED GAS
CAST IRON STOVE
INSTALLATION AND OPERATING
INSTRUCTIONS
SINGLE DOOR MODELS:
CSVF20SNV CSVF30SNV
CSVF20SPV CSVF30SPV
DOUBLE DOOR MODELS:
VFCS20DNV VFCS30DNV
VFCS20DPV VFCS30DPV
Natural Gas or
Propane/LPG
Milli-Volt Control
2 58D6002
CONTENTS
Important Safety Information .......................... 3
Product Features .............................................. 5
Dimensions ....................................................... 6
Getting Started ................................................. 7
Product Specifications..................................... 8
Ignition Controls............................................ 8
Pilot............................................................... 8
Thermal Generator ....................................... 8
General Installation Information ..................... 9
Codes ........................................................... 9
Adequate Combustion and Ventilation Air..... 9
Clearances / Height Requirements ............... 11
Removing Unit from Crate ............................. 13
Connecting the Gas........................................ 14
Checking Gas Pressure ................................. 15
Connecting Remote Receiver........................ 15
Electrical Wiring.............................................. 16
Connecting Optional Wall Switch or Checking
System Operation ....................................... 16
Log Placement................................................ 17
Installing Logs on Grate.............................. 18
Rock Wool Installation.................................... 18
Flame Appearance.......................................... 19
Checking Pilot Flame.................................. 19
Checking the Burner Flame ........................ 20
Operating Instructions................................... 21
For Your Safety Read Before Lighting......... 21
Milli-Volt Control Lighting Instructions......... 22
To Turn Off Gas to Heater ........................... 22
Match Lighting Instructions ......................... 23
Cleaning and Servicing.................................. 23
Replacement Parts List.................................. 24
VF20 Logs and Burner Assembly ............... 24
VF30 Burner Assembly............................... 26
VFCS 30 Logs............................................. 28
Troubleshooting.............................................. 29
Warranty .......................................... Back Cover
58D6002 3
10. This unit complies with ANSI Z21.11.2 Unvented
Heaters.
11. Do not install heater in a bathroom or bedroom unless
approved for bedroom use.
12. Correct installation of the ceramic ber logs, proper
locationoftheheater, andannualcleaningareneces-
sarytoavoidpotentialproblemswithsooting.Sooting,
resultingfrom improper installation oroperation, can
settleonsurfacesoutsidethereplace.Seelogplacement
instructions for proper installation.
13. Avoidanydraftsthatalterburneramepatterns.Donot
allowfanstoblowdirectlyintoreplace.Donotplace
ablowerinsideburnareaofrebox.Ceilingfansmay
createdraftsthatalterburneramepatterns.Sootingand
improperburningwilloccur.
14. Caution: Candles, incense, oil lamps, etc. produce
combustionby-productsincludingsoot.Vent-freeappli-
anceswillnotlterorcleansootproducedbythesetypes
of products. In addition, the smoke and/or aromatics
(scents) may be reburnt in the vent-free appliance which
can produce odors. It is recommended to minimize the
useofcandles,incense,etc.whilethevent-freeappliance
is in operation.
15. Thisisanunventedgas-redheater.Itusesair(oxygen)
from the room in which it is installed. Provisions for
adequate combustion and ventilation air must be pro-
vided. See page 8.
IMPORTANT
Read these instructions carefully before installing or trying to operate this vent-free gas heater.
IMPORTANT SAFETY INFORMATION
8. CARBON MONOXIDE POISONING:Earlysignsof
carbonmonoxidepoisoningaresimilartotheuwith
headaches,dizzinessand/ornausea.Ifyouhavethese
signs, obtain fresh air immediately. Have the heater
servicedasitmaynotbeoperatingproperly.
9. Theinstallationmust conformwith localcodesor,in
theabsenceoflocalcodes,withtheNational Fuel Gas
Code, ANSI Z223.l/NFPA54. Continued on page 4
WARNING
• Any change to this heater or its controls can be dangerous.
• Improper installation or use of the heater can cause serious injury or death from fire,
burns, explosion or carbon monoxide poisoning.
• Do not allow fans to blow directly into the stove. Avoid any drafts that alter burner
flame patterns.
• Do not use a blower insert, heat exchanger insert or other accessory, not approved
for use with this heater where applicable.
1.Duetohightemperatures,theapplianceshouldbelocated
outoftrafcandawayfromfurnitureanddraperies.
2. Children and adults should be alerted to the hazard of
highsurfacetemperatureandshouldstayawaytoavoid
burnsorclothingignition.
3.Youngchildrenshouldbecarefullysupervisedwhenthey
are in the same room with the appliance.
4.Donotplaceclothingorotherammablematerialonor
near the appliance.
5.Anysafetyscreenorguardremovedforservicinganappli-
ance,mustbereplacedpriortooperatingtheheater.
6.Installationandrepairshouldbedonebyaqualiedser-
vice person.
7.Topreventmalfunctionand/orsooting,anunventedgas
heater should be cleaned before use and at least annually
by a professional service person. More frequent clean-
ingmayberequiredduetoexcessivelintfromcarpet-
ing,beddingmaterial,etc.Itisimperativethatcontrol
compartments,burnersandcirculatingairpassageways
bekeptclean.
INSTALLER
Please leave these instructions with the appliance.
OWNER
Please retain these instructions for future reference.
4 58D6002
IMPORTANT SAFETY INFORMATION
Continued from page 3
16. Keep room area clear and free from combustible materi-
als,gasolineandotherammablevaporsandliquids.
17. Unventedgasheatersareasupplementalzoneheater.
They are not intended to be a primary heating appli-
ance.
18. Unventedgasheatersemitmoistureintothelivingarea.
Inmosthomesofaverageconstruction,thisdoesnotpose
aproblem. In houses of extremelytight construction,
addition mechanical ventilation is recommended.
19. Duringmanufacturing,fabricatingandshipping,various
components of this appliance are treated with certain
oils,lmsorbondingagents.Thesechemicalsarenot
harmfulbutmayproduceannoyingsmokeandsmells
astheyareburnedoffduringtheinitialoperationofthe
appliance;possibly causing headaches or eyeor lung
irritation. This is a normal and temporary occurrence.
Theinitialbreak-inoperationshouldlasttwotothree
hours with the burner at the highest setting. Provide
maximumventilationbyopeningwindowsordoorsto
allowodorstodissipate.Anyodorsremainingafterthis
initialbreak-inperiodwillbeslightandwilldisappear
with continued use.
20. Inputratings are shownin BTU per hourand are for
elevationsupto2,000feet.Forelevationsabove2,000
feet,inputratingsshouldbereduced4percentforeach
1,000feetabovesealevel.RefertotheNationalFuel
Gas Code.
21. Theapplianceanditsappliancemaingasvalvemustbe
disconnectedfromthegassupplypipingsystemduring
anypressuretestingofthatsystemattestpressuresin
excessof1/2psig(3.5kPa).
22. The appliance must be isolated from the gas supply
piping system by closing its equipment shutoff valve
during any pressure testing of the gas supply piping
systemattestpressuresequaltoorlessthan1/2psig
(3.5kPa).
23. Do not use this room heater if any part has been under
water.Immediately call aqualied service technician
to inspect the room heater and to replace any part of the
controlsystemandanygascontrolwhichhasbeenunder
water.
24. Neverburnsolidfuelsinanunventedroomheater,re-
place or stove.
25. Do not set kettles or humidifying devices on top of
stove.
26. Thestovedoor/screenmustbeclosedwhentheappli-
anceisoperating.Thescreenshall haveopeningsfor
induction of combustion air.
58D6002 5
ON
OFF
ON
OFF
PRODUCT FEATURES
Off/Pilot/On Knob
Hi/Lo Knob
Door
Figure 1 - Cast Iron Stove
(Single Door)
Optional Remote Receiver
Fan Switch
Piezo
Handle
On/Off
Switch
Figure 2 - Cast Iron Stove
(Double Door)
Break-Away
Handle
Store Break-Away
Handle Here
Optional
Fan Switch
Off/Pilot/On Knob
Hi/Lo Knob
Piezo
Optional Remote
Receiver
On/Off
Switch
6 58D6002
A
C
B
DIMENSIONS
Figure 3 - Dimensions
CSVF20S/VFCS20D CSVF30S/VFCS30D
A211/4" 263/4"
B23" 281/2"
C161/2" 193/4"
58D6002 7
MAKE SURE YOU HAVE RECEIVED ALL PARTS:
Carefullyinspectthecontentsforshippingdamage.Ifanypartsaremissingordamaged,immediatelyinformthedealer
from whom you purchased the appliance. Do not attempt to install any part of the appliance unless you have all parts
in good condition.
WHAT YOU WILL NEED FOR INSTALLATION:
Youmusthavethefollowingitemsavailablebeforeproceedingwithinstallation:
Checkyourpackinglisttoverifythatalllistedpartshavebeenreceived.Youshouldhavethefollowing:
• CastIronStovewithBurnerAssembly
• Installation/OperatingInstructions
• CeramicFiberLogs
• Touch-up Paint
MillivoltcontrolledheaterdesignedtobeoperatedwithoptionaldevicesforON/OFFfunctions.
• Hand-HeldRemotewithManualReceiver
• Wall Switch with 15' Wire
• Externalregulator(forpropane/L.P.G.)
orhighpressurenaturalgas(1to2PSIsystem)
• Pipesealantapprovedforusewithpropane/L.P.G.
(Resistanttosulfurcompounds)
• Pipingwhichcomplieswithlocalcodes • Manual shutoff valve
• Sediment trap (recommended) • Tee joint
• Pipe wrench or appropriate wrench set • Screwdrivers
CAUTION
Gloves are recommended when handling ceramic fiber logs to prevent skin irritation
from loose fibers. Logs are fragile — handle with care.
8 58D6002
PRODUCT SPECIFICATIONS
NATURAL GAS
NOTE: An external regulator is required to reduce supply pressure to a maximum of 101/2" w.c. on Natural Gas
systems operating at higher pressure.
MILLIVOLT PRESSURE
RegulatorPressureSetting: 3.5"w.c.
PilotRegulator: 3.5"w.c.
GasInletPressure: Max.101/2"w.c. Min.5"w.c.
IGNITION CONTROLS
Piezoignitorallowsignitionofthepilotwithouttheuseofmatches.
Milli-Volt control has four (4) positions:
OFF - Allgastotheburnerisshutoffatthevalve.
IGN - Valvepositiontolight/maintainastandingpilot.
ON - ValvepositiontoturnburnersON/OFFwithremoteswitch.
LOW/HI - Variablepositiontocontrolameheight(heatoutput).Bothfrontandrearburnersareinoperationto
providerealisticglowandyellowame.
PILOT/ODS
Thegaslogheateristtedwithaspeciallydesignedsafetypilot(ODSassembly)lightwhichsensestheamountofoxygen
availableintheroomandshutsthegaslogheateroffiftheoxygenlevelbeginstodropbelowasatisfactorylevel.Thepilot
can only be relit when adequate fresh air is available.
THERMAL GENERATOR
Themillivoltgaslogpilotisttedwithamillivoltthermopilegeneratortoprovidepowerforremoteactivation.
PROPANE / LPG
Note: An external regulator is required to reduce supply pressure to a maximum of 13" w.c.
MILLIVOLT PRESSURE
RegulatorPressureSetting: 10"w.c.
GasInletPressure: Maximum13"w.c.
Minimum11"w.c.
Model Number Type
Gas Rate
Max. BTU/Hr Min. BTU/Hr
CSVF20SNV/VFCS20DNV (G-EBL-ES-EMB)
CSVF30SNV/VFCS30DNV (G-EBL-ES-EMB)
Milli-Volt
Milli-Volt
10,000
32,000
6,000
20,000
Model Number Type
Gas Rate
Max. BTU/Hr Min. BTU/Hr
CSVF20SPV/VFCS20DPV (G-EBL-ES-EMB)
CSVF30SPV/VFCS30DPV (G-EBL-ES-EMB)
Milli-Volt
Milli-Volt
10,000
32,000
6,000
20,000
58D6002 9
CODES
Adheretoalllocalcodesor,intheirabsence,thelatesteditionofTHENATIONALFUELGASCODEANSIZ223.1or
NFPA54whichcanbeobtainedfrom…
American National Standards Institute, Inc.
1430Broadway
NewYork,NY10018
or
National Fire Protection Association, Inc.
BatterymarchPark
Quincy,MA02269
GENERAL INSTALLATION INFORMATION
ADEQUATE COMBUSTION AND VENTILATION AIR
Thisheatershallnot beinstalledin aconnedspaceor unusuallytightconstruction unlessprovisionsare providedfor
adequate combustion and ventilation air.
The National Fuel Gas Code, (ANSI Z223.1/NFPA54),denesaconnedspaceasaspacewhosevolumeislessthan50
cubicfeetper1,000BTUperhour(4.8m3perkw)oftheaggregateinputratingofallappliancesinstalledinthatspaceand
anunconnedspaceasaspacewhosevolumeisnotlessthan50cubicfeetper1,000BTUperhour(4.8m3perkw)ofthe
aggregateinputratingofallappliancesinstalledinthatspace.Roomscommunicatingdirectlywiththespaceinwhichthe
appliancesareinstalled,throughopeningsnotfurnishedwithdoors,areconsideredapartoftheunconnedspace.
UNUSUALLY TIGHT CONSTRUCTION IS DEFINED AS CONSTRUCTION WHERE…
a) wallsandceilingsexposedtotheoutsideatmospherehaveacontinuouswatervaporretarderwitharatingof1perm
(6x1011kgperpa-sec-m2)orlesswithopeningsgasketedorsealed;
b) weatherstrippinghasbeenaddedonopenablewindowsanddoors,and
c) caulkingorsealantsareappliedtoareassuchasjointsaroundwindowanddoorframes,betweensoleplatesandoors,
betweenwall-ceilingjoints,betweenwallpanels,atpenetrationsforplumbing,electrical,andgaslines,andatother
openings.
WARNING
Do not install the heater …
• Where curtains, furniture, clothing, or other flammable objects are less than 42" from
the front of the heater.
• In high traffic areas.
• In windy or drafty areas.
10 58D6002
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L
2
L
1
W
H
GENERAL INSTALLATION INFORMATION
Thefollowingformulacanbeusedtodeterminethemaximumheaterratingperthedenitionofunconnedspace:
BTU/Hr = (L1+ L2) Ft x (W) Ft x (H) Ft
50
Considertwoconnectingroomswithanopenareabetween,withthefollowingdimensions:
L1= 151/2Ft., L2= 12 Ft., W = 12 Ft., H = 8 Ft.
BTU/Hr = (151/2 + 12) x (12) x (8)
50
If there were a door between the two rooms the calculation would be based only on the room with the heater.
BTU/Hr = (151/2) x (12) x (8)
50
Figure 4 - Example of a Large Room with 1/2 Wall Divider
Counter
Cast Iron Stove
x 1000
x 1000 = 52800 BTU/Hr
x 1000 = 29760 BTU/Hr
WARNING
If the area in which the heater may be operated is smaller than that defined as an
unconfined space or if the building is of unusually tight construction, provide adequate
combustion and ventilation air by one of the methods described in the National Fuel
Gas Code, ANSI Z223.1, NFPA54, Section 5.3 or applicable local codes.
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