TOA Electronics Indoor Fireplace SLDVT 35 User Manual

care and operation  
instructions  
DIRECT VENT  
SLDVT-35/40 SERIES  
WarninGs  
direct-Vent Gas FirepLace Heaters  
p/n 506010-01 reV. n/c 08/2008  
• Hot! do not touch! the glass and  
surfaces of this appliance will be hot  
during operation and will retain heat  
forawhileaftershuttingofftheappli-  
ance. severe burns may result.  
• carefully supervise children in the  
same room as appliance.  
MODELS  
Millivolt Models  
Electronic Models  
sLdVt-35ne  
sLdVt-40ne  
sLdVt-35nM  
sLdVt-35pM  
sLdVt-40nM  
sLdVt-40pM  
• if small children are present in the home, it is  
recommended that this appliance be tted with  
a screen door or screen panel kit. see Pages  
13 & 14 for ordering information.  
instaLLer: Leave this manual with the appliance.  
consuMer: retain this manual for future reference.  
WarninG:iFtHeinForMationintHisManuaL  
is not FoLLoWed eXactLY, a Fire or eXpLo-  
sionMaYresuLtcausinGpropertYdaMaGe,  
personaL inJurY or Loss oF LiFe.  
aVertisseMent: assureZ-Vous de Bien  
suiVreLesinstructionsdonnÉdanscette  
noticepourrÉduireauMiniMuMLerisQue  
d'incendie ou pour ÉViter tout doMMaGe  
MatÉrieL, toute BLessure ou La Mort.  
do not store or use gasoline or other ammable  
vapors or liquids in the vicinity of this or any  
other appliance.  
pour Votre sÉcuritÉ: ne pas entreposer ni  
utiliser d'essence ni d'autre vapeurs ou liquides  
inammables dans le voisinage de cet appareil ou  
de tout autre appareil.  
WHat to do iF You sMeLL Gas:  
• do not light any appliance.  
• do not touch any electrical switch; do not  
use any phone in your building.  
• immediately call your gas supplier from a  
neighbors phone. Follow your gas supplier's  
instructions.  
pour Votre sÉcuritÉ: Que faire si vous sentez  
une odeur de gaz:  
• ne pas tenter d'allumer d'appareil.  
• ne touchez à aucun interrupteur. ne pas vous  
servir des téléphones se trouvant dans le bati-  
ment où vous vous trouvez.  
• evacuez la piéce, le timent ou la zone.  
• appelez immédiatement votre fournisseur de  
gaz depuis un voisin. suivez les instructions  
du fournisseur.  
• if your gas supplier cannot be reached, call  
the re department.  
installation and service must be performed by  
a qualied installer, service agency or the gas  
supplier.  
Portland  
• si vous ne pouvez rejoindre le fournisseur de  
gaz, appelez le service dos incendies.  
otL report no. 116-F-50-5  
US  
L'installation et service doit être ecuté par un  
qualiéinstalleur, agencedeserviceoulefournis-  
seur de gaz.  
A French manual is available upon request. Order P/N 506010-01CF  
Ce manuel d’installation est disponible en francais, simplement en  
faire la demande. Numéro de la pièce 506010-01CF  
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orice sizes - sea Level to High altitude  
(all Models): These appliances are tested and  
approvedforinstallationsatelevationsof0-4500  
feet (0-1372 meters) above sea level using the  
standard burner orifice sizes (marked with an  
"*" in Table 7).  
removing control compartment door:  
Open the panel by gently lifting it upward and  
forwards. Slide the door, first to one side and  
then the other, so the tabs clear both of the  
locating holes.  
Manifold Gas supply pressure  
(millivolt models)  
Fuel #  
Low  
High  
natural (Lo) 2.2" Wc  
(Hi) 3.5" Wc  
(0.87 kpa)  
Gas  
(0.55 kpa)  
On millivolt systems, the piezo igniter, HI/LO  
flame adjustment knob, and pilot and main  
gas OFF/ON control knob are located below  
the glass panel enclosure. The gas valve for  
electronic systems is also located below the  
glass enclosure panel. See Figure 1.  
(Lo) 6.3" Wc (Hi) 10.0" Wc  
(1.57 kpa) (2.49 kpa)  
Atthetimeofinstallation,itmustbedetermined  
if the appliance needs to be derated. Contact  
yourlocalgassupplierforderationrequirements  
for your area.  
propane  
Table 4  
Manifold Gas supply pressure  
deration - At higher elevations, the amount of  
BTU fuel value delivered must be reduced by  
eitherusinggasthathasbeenderatedbythegas  
company or by changing the burner orifice to a  
smallersizeasregulatedbythelocalauthorities  
having jurisdiction and by the (USA) National  
Fuel Gas Code NFPA 54/ANSI Z223.1 - latest  
edition or, in Canada, the CAN1-B149.1 and .2  
codes - latest edition.  
(electronic models)  
reinstalling control compartment door:  
To reinstall, insert the tabs on each side of the  
doorintothecorrespondingholesinthecontrol  
compartment opening, one side first then the  
other. To close, pull the door gently up and  
close by pushing forward and pushing the top  
edge down into the groves at the brackets until  
it locks in place.  
Fuel #  
Low  
High  
natural (Lo) 2.2" Wc  
(Hi) 3.5" Wc  
(0.87 kpa)  
Gas  
(0.55 kpa)  
(Lo) 6.3" Wc (Hi) 10.0" Wc  
(1.57 kpa) (2.49 kpa)  
propane  
Table 5  
Burn-in period  
Burner orice sizes  
elevation 0-4500 feet ( 0-1372 meters)  
During the first few fires of this appliance there  
will be some odor due to the curing of the  
paint and burning off of lubricants used in the  
manufacturing process.  
Model  
nat.Gas  
propane  
series  
drill size (inches)  
drill size (inches)  
#49 (0.0730")  
21L82 •  
0.045"  
75L10  
*
*
*
sLdVt-35  
Depending on your use, the burn-in period may  
take a few hours or a few days.  
#44 (0.0860")  
60J80 •  
0.048"  
99K78 •  
*
sLdVt-40  
* Standard size installed at factory  
• Part /Cat. Number  
Keep Your House WeLL VentiLated  
durinG tHe curinG process. tHe odor  
and HaZe eMitted durinG tHe curinG  
process can Be Quite noticeaBLe and  
MaY set oFF a sMoKe detector.  
Table 6  
Test gauge connections are provided on the  
front of the millivolt gas control valve, identi-  
fied IN for the inlet and OUT for the manifold  
side (see Figure 3 on Page 4). A 1/8" NPT Test  
gauge connection is provided at the inlet and  
outlet (manifold) ports on the electronic gas  
control valve (see Figure 4 on Page 4).  
control compartment door tab  
Figure 1  
If an optional blower is installed, Do Not turn  
it on during the Burn-In period.  
operation and care oF Your  
appLiance  
A white film may develop on the glass front  
during the first few fires as part of the curing  
process. The glass should be kept clean during  
thersttwoweeksofusetopreventthelmfrom  
baking on (making it very difficult to remove).  
See Cleaning Glass on Page 5.  
These appliances must be isolated from the  
gas supply piping system (by closing their  
individual manual shut-off valve) during any  
pressure testing of the gas supply piping  
systemattestpressuresequaltoorlessthan  
1/2 psig (3.5 kPa).  
The standard controls for appliance opera-  
tion are located behind the panel below the  
appliance front glass enclosure panel (see  
Figure 1). Optional control switches are also  
available (see Page 13 - Remote Wall Switch,  
Remote Control or Wall Thermostat).  
Gas controls/control compartment  
access  
These appliances and their individual shut-off  
valves must be disconnected from the gas  
supply piping system during any pressure  
testing of that system at pressures greater  
than 1/2 psig (3.5 kPa).  
Operation of millivolt and electronic gas con-  
trol systems are different. Before lighting and  
operatingyourappliancedetermineifyouhave  
a millivolt or electronic appliance. Familiarize  
yourself with the gas control valve that your  
appliance uses. Refer to Figure 1 for access  
to the gas control valve.  
Thegascontrolscanbefoundbehindthecontrol  
compartment access door.  
NOTE: DIAGRAMS & ILLUSTRATIONS ARE NOT TO SCALE.  
3
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Millivolt appliances - Appliances with  
Millivolt systems will be fitted with the gas  
control valve shown in Figure 3.  
electronic appliances - Appliances with  
electronic systems will be fitted with the  
electronic valve shown in Figure 4.  
Millivolt appliances - To light millivolt ap-  
pliances refer to Figure 2. Detailed lighting  
instructions are found on Pages 18 & 19 . Mil-  
livoltappliancelightinginstructionsmayalso  
be found on the pull out lighting instruction  
labels attached to the gas control valve.  
Once the pilot is lit, the main burner may be  
turned ON and OFF using wall switch, remote  
control, optional on unit rocker switch (FRS),  
or wall thermostat. To operate: Toggle the  
switch between its ON and OFF positions.  
5 Inch  
Pipe Nipple  
Gas Flex Line  
Spring Door Latch  
Valve  
Piezo  
Figure 2  
If your millivolt appliance is equipped with an  
optional remote switch kit (wall switch, remote  
control, rocker switch, or wall thermostat) and  
thepilotislit, theappliancemainburnermaybe  
turned on and off using the optional switch.  
Main Gas Control Knob  
Gas Inlet  
O
L
I
P
N
W O  
P
F
Note: Topreventexcessiveresistanceinburner  
circuit(whichcancauseburneroperationprob-  
lems), only one burner control switch should  
be wired to valve.  
I
Gas  
IN OUT  
Outlet  
Manifold Pressure  
Port  
electronic appliances -  
Inlet  
Variable Flame  
Pressure  
Port  
Height Adjustment  
Terminals TPTH, TP & TH  
Tolightelectronicappliancesrefertothedetailed  
lighting instructions found on Pages 20 & 21  
of these instructions. Electronic appliance  
lighting instructions may also be found on the  
pull out lighting instruction labels attached to  
the gas control valve.  
SIT Millivolt Gas Valve  
Figure 3  
Pressure-Tap  
(Inlet)  
Pilot Stage  
Terminal  
Pilot Gas  
Outlet  
Ifyourelectronicapplianceisequippedwithan  
optionalremotewallswitchorremotecontrolkit  
theappliancemainburnermaybeturnedonand  
off with the wall switch or remote control.  
Ground  
(TP)  
Ifyourelectronicapplianceisnotequippedwith  
awallswitchorremotecontrol,themainburner  
must be turned off and on with a gas control  
switch located in some other location by the  
installer. Contact the installer for directions.  
P I L O T  
HI  
LO  
Supply Gas  
Inlet  
Gas Outlet  
To Burner  
Variable Flame Height adjustment  
Burner Stage  
Terminal  
Regulator  
Mounting Screw  
Pressure-Tap  
(Manifold)  
1. All millivolt appliances are equipped with a  
variable gas control valve. Flame height for  
these models may be adjusted through a  
range between fixed low and high settings  
while the appliance is in operation. Adjust  
the flame height as desired after lighting the  
appliancebyrotatingthevariableadjustment  
control knob (HI/LO) located on the front of  
the valve (refer to Figures 3 & 4 ).  
Dexen Electronic Gas Valve  
Figure 4  
NOTE: DIAGRAMS & ILLUSTRATIONS ARE NOT TO SCALE.  
4
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2. During the first initial burns of these appli-  
ances, there will be some odor emitted (see  
Burn-In Period on Page 3 ).  
inspect Venting system  
clean Logs and Burner  
The appliance and venting system should be  
thoroughly inspected before initial use and  
at least annually by a qualified service techni-  
cian (inspection should include ensuring that  
exhaust or intake passages are unobstructed  
and vent components are properly assembled  
and not damaged).  
Carefully remove the logs (use care when han-  
dlingtheberlogs,astheybecomequitefragile  
after curing). Vacuum out any foreign matter  
(lint, carbon, etc). on the burner. Ensure the  
burner ports are “open.” Remove any carbon  
deposits from the under side of the logs using  
a vacuum cleaner, or a soft bristled brush (i.e.  
paint brush). Note: Improper positioning of  
logs can create carbon build-up and will alter  
the performance of the appliance.  
3. Keep the lower control compartment clean  
by vacuuming or brushing at least twice  
a year. More frequent cleaning may be  
required due to excessive lint from carpet-  
ing, bedding materials, pet hair, etc. it is  
veryimportantthatcontrolcompartments,  
burners, circulating air passageways  
and air venturi on the appliance are not  
obstructed in any way.  
If the venting system is disassembled for any  
reason, a qualified service technician should  
follow vent installation instructions for proper  
reassembly and proper sealing of the venting  
system components. However, more frequent  
periodic inspections and cleanings should be  
performed by the homeowner.  
replacing Logs -  
If the logs become damaged by accident or im-  
proper handling and need replacement, use only  
the proper replacement logs from manufacturer  
(see Pages 26 & 27 for ordering information).  
4. Always turn off gas to the pilot (millivolt  
appliances) and let the appliance cool down  
before cleaning. Before re-lighting, refer  
to the lighting instructions in this manual.  
Lighting instructions may also be found  
on the pull out lighting instruction labels  
attached to the gas control valve.  
cleaning Glass  
(seeFrontGlassEnclosurePanel, Removaland  
Installation on Page 6 )  
re-install embers and Logs - Carefully follow  
placement instructions on Pages 7 to 9 ). All  
logs should fit onto corresponding pins and/or  
log stoppers. This will ensure a proper flame  
and safe combustion.  
Note: Cleanglassafterrsttwoweeksofopera-  
tion(afterBurn-Inperiodisover)andthenonly  
when necessary and when the fireplace is cool.  
Wipesurfacewithclean, dampened, softcloth.  
Followwithdry,softtowelasdesired.Takecare  
not to scratch the glass surface.  
inspect Wiring  
Refer to wiring diagrams on Page 12.  
5. Always keep the appliance area clear and  
free from combustible materials, gasoline  
and other flammable liquids.  
WarninG: Label all wires prior  
to disconnection when servicing  
controls. Wiring errors can cause  
improper and dangerous opera-  
tion. Verify proper operation after  
servicing.  
The viewing glass should be cleaned periodi-  
cally to remove any build-up caused from the  
following:  
6. Remember,Millivoltapplianceshaveacontinu-  
ousburningpilotame. Exercisecautionwhen  
using products with combustible vapors.  
iMportant: do not use abrasive  
cleaners on glass. never clean the  
glass when it is hot.  
Maintenance  
(see Maintenance schedule, Page 22)  
Refertothemaintenancescheduleformaintenance  
tasks, procedures, periodicity and by whom they  
shouldbeperformed. Alwaysverifyproperopera-  
tion of the appliance after servicing.  
Inspect and clean all wire connections. Ensure  
that there is no melting or damage. Inspection  
should include:  
• Terminals at the Valve  
• OFF/ON Switch  
• (Optional Control Switch) Wall Thermostat,  
Remote Control or Remote Wall Switch Kit  
• During start-up, it is normal for condensa-  
tion to form on the inside of the glass (this  
condensation and fog will usually disappear  
in a few minutes). The moisture can cause  
lint, dustandotherairborneparticlestocling  
to the glass surface.  
• Initial curing of the high temperature paint  
and burning off of lubricants used in the  
manufacturing process may result in a film  
on the glass.  
WarninG: turn off gas and elec-  
trical power before servicing the  
appliance.  
inspect Burner Flame appearance  
Ensure that the burner flame appearance  
resembles the flame shown in Figures 9 &  
10 and as described in Flame Appearance and  
Sooting on Page 10. The Homeowner must  
contact a qualified service technician at once  
if any abnormal condition is observed.  
• A white coating may form on the glass as a  
result of impurities and minerals in the fuel.  
caution: Wearglovesandsafety  
Glassesforprotectionwhiledoing  
required maintenance.  
It is recommended that the glass be cleaned  
two or three times during each heating season,  
depending on the circumstances present. The  
following cleaning solutions are approved for use  
to clean glass:  
• Non-ammonia based household cleaner  
• 50%-50% mix of white vinegar & water  
• Gas fireplace/stove glass cleaner  
iMportant: always verify proper  
operation after servicing.  
small area paint touch-up  
The finish of the appliance is a high-qual-  
ity powdercoat. Only use factory supplied  
powdercoat paint kit for touch-ups. Paint is  
availableatyourlocalauthorizedLennoxHearth  
Products dealer. Never attempt to paint a hot  
fireplace.  
Before re-lighting the replace, refer to the  
lighting instructions in this manual. instruc-  
tions are also found on pull-out panels  
located below the glass door in the control  
compartment.  
inspect Glass Gasket - Visually inspect the  
gasket on the backside of the glass enclosure  
panels. The gasket surface must be clean, free  
of irregularities and seated firmly.  
Donotattempttorepainttheapplianceuntilthe  
finish is completely cured (see Burn-In Period  
onPage3).Ifthesurfacelaterbecomesstained  
ormarred, itmaybelightlysandedandtouched  
up with spray paint.  
5
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removing Glass enclosure panels  
(see Figure 5)  
Front Glass enclosure panel, removal  
and installation  
Header  
Spacing  
Guides  
1. To access the glass door securing latches,  
firstopenthelowercontrolcompartmentdoor  
(Figure 5) by lifting and pulling the bottom  
panel forward.  
WarninG: do not operate appli-  
ance with the glass front removed,  
cracked or broken. replacement  
of the glass should be done by  
a licensed or qualied service  
technician.  
5/8”  
Nailing  
Flange  
2. Pull the latches forward and down to release  
them from the door channel.  
1/2”  
Nailing  
Flange  
3. Pull the bottom of the door out a few inches  
and grasp it on the right and left. Gently lift to  
release the door from its channel above the  
door. Pull the door forward.  
WarninG: do not attempt to  
substitute the materials used on  
this door, or replace cracked or  
broken glass with any materials  
other than those provided by the  
appliance manufacturer.  
Glass  
Door  
4. Retrieve the glass door. Visually inspect the  
gasket on the backside of the frame. Gasket  
surface must be clean, free of irregularities  
and seated firmly.  
Flush  
Nailing  
Flange  
Glass Door  
Spring Latch  
WarninG: Handle this glass  
with extreme care! tempered  
glass is susceptible to damage  
do not scratch or handle roughly  
while reinstalling the glass door  
frame.  
5. Position the door in front of the firebox  
opening with the bottom of the door held away  
from the fireplace (Figure 5 ). Hook the top  
flange of the door frame over the top of the  
firebox frame.  
Conrol  
Compartment  
Panel  
Hood  
Figure 5 - instaLLinG GLass door  
6. Let the bottom of the door frame swing  
gentlyintowardsthereplaceensuringthatthe  
gasket seats evenly as the door frame draws  
shut.Fastenthetwolatcheslocatedunderneath  
the firebox floor to the door's vee-flange. Close  
both the latches securely.  
WarninG: the glass door of this  
appliance must only be replaced as  
a complete unit as provided by the  
manufacturer. do not attempt to  
replace broken, cracked or chipped  
glass separately.  
7. If desired, install the optional hood. Note  
the location of the three clips inside the top air  
channel above the door. The clips are equally  
spaced on the top surface of the air channel  
opening. Use a screwdriver to open the clips  
slightly if needed. Engage the back edge of the  
eyebrow into the clips to secure.  
WarninG: do not attempt to  
touch the front enclosure glass  
withyourhandswhilethereplace  
is in use.  
NOTE: DIAGRAMS & ILLUSTRATIONS ARE NOT TO SCALE.  
6
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Note: This appliance is provided with enough  
Glowing Embers for several applications, do  
not use all that is in a new bag at one time.  
For best glowing effect, replace the ember  
material annually.  
instaLL VoLcanic stone, GLoWinG  
eMBers and LoGs  
WarninG: do not attempt to  
install the logs until the appliance  
installation has been completed,  
the gas line connected and tested  
for leaks and the initial burner  
operation has been checked out.  
1. Remove the front glass enclosure panel  
(see Removing Glass Enclosure Panels on  
Page 6 ).  
5. placement of Logs -  
All logs that have locating notches or slots to  
help ensure that they are properly positioned.  
All top logs that rest on lower logs, do so over  
notches,indentsornubs. Properlogplacement  
is critical to prevent sooting. Logs should be  
placedinthegapsbetweentheamepeaksand  
should be positioned so they do not impinge  
the flames.  
2. Remove log set box from firebox. Next,  
remove embers and vermiculite from control  
compartment. Handle logs carefully to pre-  
vent breakage.  
WarninG: the size and position  
of the log set was engineered to  
givetheapplianceasafe,reliable  
and attractive ame pattern. any  
attempt to use a different log set  
in the replace will void the war-  
rantyandwillresultinincomplete  
combustion, sooting, and poor  
ame quality.  
3. installdecorativevolcanicstone-Sprinkle  
the decorativevolcanicstoneinapleasingpat-  
tern(seeFigure6). Thevolcanicstoneshould  
be placed directly on top of the firebox bottom,  
along the slope and to the back at the right and  
left sides of the burner. Position any ceramic  
fiber liners before placing the stone. Logs can  
be positioned after the volcanic stone.  
SLDVT-35 - Install the four logs as Follows  
Carefully position the ceramic fiber logs over  
the burner as shown in Figure 8. Logs should  
be placed in the order shown and per the fol-  
lowing instructions.  
Volcanic Stone  
1. Place the left front log (1) as shown. Posi-  
tion it on the two left front log brackets.  
2. Placetherightfrontlog(2)asshown. Posi-  
tion it on the two right front log brackets.  
3. Place the left rear log (3) as shown. Posi-  
tion it on the upper and lower left rear log  
brackets.  
WarninG: this appliance is  
not designed to burn wood. any  
attempttodosocouldcauseirrep-  
arable damage to appliance and  
prove hazardous to your safety.  
4. Place the right rear log (4) as shown. Posi-  
tion it on the right rear log bracket. Note that  
the hole on the bottom of the right rear log  
rests over the "Nub" on the right front log.  
WarninGs: if logs are not  
installed according to the log  
installation instructions, flame  
impingement and improper com-  
bustion could occur and result in  
soot and/or excessive production  
of carbon monoxide (co), a color-  
less, odorless, toxic gas.  
Place Volcanaic  
Stone As Shown  
SLDVT-40 - Install the four logs as Follows  
Figure 6  
Carefully position the ceramic fiber logs and  
twigs over the burner as shown in Figure 9.  
Logs should be placed in the order shown and  
per the following instructions.  
4. Placement of Glowing Embers -  
Separate the Embers (rockwool) into pieces  
about thesizeofaquarter(seeFigure7). Keep  
the pieces fluffed up, not matted. Distribute  
these pieces over the surface of the burner,  
as shown in Figures 8 & 9. Do not use more  
thanisnecessary. Ensurethatthemainburner  
slotsremainuncoveredbytheembermaterial.  
Position the embers on the small holes of the  
ember bed area.  
reFerence  
Firebox accessories / parts  
1. Place the ember chunk (1) over the tab on  
the rear log support as shown.  
cat. no.  
Modelno.  
description  
2. Place the left front log (2) as shown. Posi-  
tion it on the two left front log brackets.  
3. Placetherightfrontlog(3)asshown. Posi-  
tion it on the two right front log brackets.  
4. Placetheleftrearlog(4)asshown. Position  
it on the left rear log bracket.  
5. Place the right rear log (5) as shown. Posi-  
tion it on the right rear log bracket. Note that  
the hole on the bottom of the right rear log  
rests over the "Nub" on the right front log.  
88L53  
FGe  
Bag of Glowing embers  
(1 oz. rockwool)  
Bag of decorative  
Volcanic stone  
80L42  
FdVs  
Table 8  
Glowing Embers  
Separate into Quarter  
Size (separate) Pieces  
Bag of Glowing  
Embers (rockwool)  
Figure 7  
NOTE: DIAGRAMS & ILLUSTRATIONS ARE NOT TO SCALE.  
7
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