Empire Heating Systems MV 145 Quick start guide

INSTALLATION INSTRUCTIONS
AND
OWNER´S MANUAL
GRAVITY DIRECT VENT
WALL FURNACE
EFFECTIVE DATE
APRIL, 2003
WARNING: If the information in
these instructions are not followed
exactly, a fire or explosionmay result
causing property damage, personal
injuryorlossoflife.
— Do not store or use gasoline or other
flammable vapors and liquids in the
vicinityofthisoranyotherappliance.
— WHAT TO DO IF YOU SMELL GAS
Do not try to light any appliance.
Do not touch any electrical switch; do
notuseanyphoneinyourbuilding.
Immediately call your gas supplier
from a neighbor's phone. Follow the
gassupplier'sinstructions.
If you cannot reach your gas supplier,
callthefiredepartment.
— Installation and service must be
performed by a qualified installer,
serviceagencyorthegassupplier.
•
•
•
•
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, unless a certified kit is
used.
WARNING: If not installed, operated
and maintained in accordance with the
manufacturer'sinstructions,thisproduct
could expose you to substances in fuel or
from fuel combustion which can cause
deathorseriousillness.
MODELS
MV 120
MV 130
MV 145
Page 1MV1XX-1-0603

TABLE OF CONTENTS
SECTION
Important Safety Information
Safety Information for Users of LP Gas
Introduction
Specifications
Gas Supply
Clearances
Installation Instructions
Lighting Instructions
Pilot Flame Characteristics
Main Burner Flame Characteristics
Maintenance
How to Order Repair Parts
Parts List
Parts View
Troubleshooting
PAGE
3
4
5
5
6
7-8
8-10
11
12
12
12-13
13
14
15
16
Page 2 MV1XX-1-0603

INFORMACIÓNIMPORTANTEDESEGURIDAD
ESTEESUNAPARATODECALEFACCIÓNNOOPEREESTEAPARATOSINELPANELFRONTALINSTALADO.unapersonadeserviciocalificada.Unalimpiezamásfrecuentepuederequerirsedebidoapelusasde
alfombra,materialesdecama,etc.Esimperativoqueloscompartimientosdecontrol,quemadoresyconductosdeairedelaparatosemantenganlimpios.•NOcoloquenadaalrededordelaparatoquepuedaobs-truirelflujodeairedecombustiónydeventilación.•MANTENGAeláreadeesteaparatolibredematerialdecombustión,gasolinaodeotrosvaporesolíquidosinflamables.•EXAMINEelsistemadeventilaciónperiódicamenteysustituyalaspartesdañadas.
•REALICEinspeccionesvisualesperiódicasdelpilotoylosquemadores.Limpieyremplacecualquierparte
da
ñ
ada.
•PRECAUCIÓN:lacubiertadelagujerodelpilotodebemantenersefirmementecerradadurantelaoperación.•NOUSEesteaparatosialgunapartehaestadobajoelagua.Inmediatamentellameauntécnicodeserviciocalificadoparaquechequeeelcalentadorypararemplazarcualquierpartedelsistemadecontrolycualquiercontroldegasquehayaestadobajoelagua.
•Debidoalastemperaturaselevadas,elaparatodebeubicarsefueradeltránsitoylejosdemueblesy
tap
iz
ados.
•Niñosyadultosdebenseralertadosacercadelpeligrodelatemperaturaelevadadelasuperficiedelaparatoydebenpermaneceralejadosparaevitarigniciónderopaoquemaduras.•Losniñospequeñosdebensercuidadosamentesupervisadoscuandoesténenlamismahabitaciónenqueestáinstaladoelaparato.•Laropauotrosmaterialesinflamablesnodebencolocarseencimaocercadeesteaparato.
•Cualquierpantalladeseguridadopanelquesearetiradopararealizarelserviciodelequipodebeserreinstaladoantesdeoperarnuevamenteelaparato.•Mantengalimpioselcompartimientodecontrolyel
que
m
ado
r
.
•Elsombreretedeventilaciónseencuentraaelevadatemperaturacuandoelequipoestáenfuncionamiento.•Lainstalaciónylareparacióndebeserrealizadaporunapersonadeserviciocalificada.Elaparatodebeserchequeadoantesdelusoyporlomenosanualmente
po
r
IMPORTANT SAFETY INFORMATION
THIS IS A HEATING APPLIANCE
DO NOT OPERATE THIS APPLIANCE WITHOUT FRONT PANEL INSTALLED.
due to excessive lint from carpeting, bedding materials,
etc. It is imperative that control compartments, burners
andcirculating airpassagewaysoftheappliancebekept
clean.
• DO NOT put anything around the furnace that will
obstructtheflowofcombustionandventilationair.
• DO keep the appliance area clear and free from
combustible material, gasoline and other flammable
vaporsandliquids.
• DO examine venting system periodically and replace
damagedparts.
• DO make a periodic visual check of pilot and burner.
Cleanandreplacedamagedparts.
• CAUTION: Pilot hole cover must be kept tightly closed
duringoperation.
• DO NOT use this heater if any part has been under
water. Immediatel
y
calla
q
ualifiedservicetechnicianto
inspect the heater and to replace any part of the control
systemandanygascontrolwhichhasbeenunderwater.
• Due to high temperatures the appliance should be
located out of traffic and away from furniture and
draperies.
• Children and adults should be alerted to the hazards of
highsurfacetemperaturesandshouldstayawaytoavoid
burnsorclothingignition.
• Young children should be carefully supervised when
theyareinthesameroomastheappliance.
• Clothing or other flammable material should not be
placedonorneartheappliance.
• Any safety screen or guard removed for servicing an
appliance must be replaced prior to operating the
appliance.
• Keepburnerandcontrolcompartmentclean.
• Ventcaphotwhilefurnaceisinoperation.
• Installation and repair should be done by a QUALI-
FIED SERVICE PERSON. The appliance should be
inspected before use andat least annually by a qualified
service person. More frequent cleaning may be required
Page 3MV1XX-1-0603

SAFETY INFORMATION FOR USERS OF LP-GAS
Someday when there may not be a minute to lose,
everyone's safety will depend on knowing exactly what to
do. If, afterreadin
g
thefollowin
g
information,
y
oufeel
y
ou
still need more information, please contact your gas
supplier.
•
•
Useyourneighbor'sphoneandcallatrainedLP-Gasservice
person and the fire department. Even though you may not
continuetosmellgas,donotturnonthegasagain.Donotre-
enterthebuildingorarea.
Finally, let the service man and firefighters check for
escaped gas. Have them air out the area before you return.
Properly trained LP-Gas service people should repair the
leak,thencheckandrelightthegasapplianceforyou.
have been out of service for a time may develop internal
rust which will cause odor fade. If such conditions are
suspected to exist, a periodic sniff test of the gas is
advisable.
If, at any time, youdo notsmell theLP-Gasodorantand you
think you should, assume you have a leak. Then take the
same immediate action recommended above for the
occasionwhenyoudodetecttheodorizedLP-Gas.
If you experience a complete "gas out," (the container is
under no vapor pressure), turn the tank valve off
immediately. If the container valve is left on, the container
may draw in some air through openings such as pilot light
orifices. If this occurs, some new internal rusting could
occur. If the valve is left open, then treat the container as a
new tank. Always be sure your container is under vapor
pressure by turning it off at the container before it goes
completely empty or having it refilled before it is
completely empty.
If you have any question about the gas odor,
call your LP-gas dealer. A periodic sniff test of the LP-
gasisagoodsafetymeasureunderanycondition.
•
•
odorant. Odorants in LP-Gas also are subject to oxidation.
This fading can occur if there is rust inside the storage tank or
inirongaspipes.
The odorant in escaped gas can adsorb or absorb onto or into
walls, masonry andother materials andfabrics in a room.That
will take some of the odorant out of the gas, reducing its odor
intensity.
LP-Gas may stratify in a closed area, and the odor intensity
could vary at different levels. Since it is heavier than air, there
may be more odor at lower levels. Always be sensitive to the
slightest gas odor. If you detect any odor, treat it as a serious
leak.Immediatelygointoactionasinstructedearlier.
Propane(LP-Gas)isaflammablegaswhichcancausefires
andexplosions.Initsnaturalstate,propaneisodorlessand
colorless. You may not know all the following safety pre-
cautionswhich can protect both youand your family from
an accident. Read them carefully now, then review them
point by point with the members of your household.
•
•
•
•
Do not operate electric switches, light matches, use your
phone.Donotdoanythingthatcouldignitethegas.
Get everyone out of the building or area. Do that
IMMEDIATELY.
Closeallgastankorcylindersupplyvalves.
LP-Gas is heavier than air and may settle in low areas
such as basements. When you have reason to suspect a
gas leak, keep out of basements and other low areas. Stay
outuntilfirefightersdeclarethemtobesafe.
• LearntorecognizetheodorofLP-gas.
•
•
•
YourlocalLP-Gas
Dealer can give you a "Scratch and Sniff" pamphlet. Use it
to find out what the propane odor smells like. If you suspect
thatyourLP-Gashasaweakorabnormalodor,callyourLP-
GasDealer.
If you are not qualified, do not light pilot lights, perform
service, or make adjustments to appliances on the LP-Gas
system. If you are qualified, consciously think about the
odor of LP-Gas prior to and while lighting pilot lights or
performingserviceormakingadjustments.
Sometimes a basement or a closed-up house has a musty
smell that can cover up the LP-Gas odor. Do not try to light
pilot lights, perform service, or make adjustments in an area
where the conditions are such that you may not detect the
odoriftherehasbeenaleakofLP-Gas.
Odorfade, duetooxidationby rustor adsorption onwalls of
new cylinders and tanks, is possible. Therefore, people
should be particularly alert and careful when new tanks or
cylinders are placed in service. Odor fade can occur in new
tanks, or reinstalled old tanks, if they are filled and allowed
to set too long before refilling. Cylinders and tanks which
Some people cannot smell well. Some people cannot smell
theodorofthechemicalputintothegas.Youmustfindout
if you can smell the odorant in propane.
The odorant in LP-gas is colorless, and it can fade under
some circumstances.
Smoking can
decreaseyourabilitytosmell. Beingaroundanodorforatime
can affect your sensitivity or ability to detect that odor.
Sometimes other odors in the area mask the gas odor. People
may not smell the gas odor or their minds are on something
else. Thinking about smelling a gas odor can make it easier to
smell.
For example, if thereis an underground
leak, the movement of the gas through soil can filter the
LP-GAS WARNING ODOR
If a
g
as leak ha
pp
ens,
y
ou should be able to smell the
g
as because of the odorant
p
ut in the LP-Gas.
That's your signal to go into immediate action!
NO ODOR DETECTED - ODOR FADE
SOME POINTS TO REMEMBER
Page 4 MV1XX-1-0603

INTRODUCTION
SPECIFICATIONS
InstallationinResidentialGarages
QualifiedInstallingAgency
HighAltitudes
Gas utilization equipment in residential garages shall be
installed so that all burners and burner ignition devices are
locatednotlessthan18"(457mm)abovethefloor.
Such equipment shall be located, or protected, so it is not
subjecttophysicaldamagebyamovingvehicle.
Installation and replacement of gas piping, gas utilization
equipment or accessories and repair and servicing of
equipment shall be performed only by a qualified agency. The
term "qualified agency" means any individual, firm,
corporation or company which either in person or through a
representative is engaged in and is responsible for (a) the
installation or replacementof gaspipingor (b)the connection,
installation, repair or servicing of equipment, who is
experienced in such work, familiar with all precautions
required and has complied with all the requirements of the
authorityhavingjurisdiction.
The installation must conform with local codes or, in the
absenceoflocalcodes,withtheNationalFuel GasCodeANSI
Z223.1/NFPA54*NaturalGasandPropaneInstallationCode,
CSAB149.1.
*
For altitudes/elevations above 2,000 feet (609.9 m), input
ratingsshouldbereducedattherateof4percentforeach1,000
(305m) feet above sea level. Canadian High Altitudes for
locations having an elevation above mean sea level between
2,000 feet (609.9 m) and 4,500 feet (1370m), use orifices as
indicatedinthefollowingtable:
Available from the American National Standards Institute, Inc., 11 West
42ndSt.,NewYork,NY10036.
Introduction
InstructionstoInstaller
Warning:
Any change to this furnace or its control can be
dangerous. This is a heating appliance and anypanel,
door or guard removed for servicing an appliance
mustbereplacedpriortooperatingtheappliance.
GeneralInformation
Any alteration of the original design, installed other than
as shown in these instructions or use with a type of gas not
shownontheratingplateis theresponsibilityoftheperson
andcompanymakingthechange.
Important
Notice:
Always consult your local Building Department regarding
regulations, codes or ordinances which apply to the
installationofadirectventwallfurnace.
1. Installer must leave instruction manual with owner after
installation.
2. Installer must have owner fill out and mail warranty card
suppliedwithfurnace.
3. Installer should show owner how to start and operate
furnaceandthermostat.
This furnace is design certified in accordance with American
National Standard/CSA Standard Z21.86b and CSA 2.32b-
2002 by the Canadian Standard Association, as a Gravity
Direct Vent Wall Furnace to be installed on an outside wall
accordingtotheseinstructions.
All correspondence should refer to complete Model No.,
SerialNo.andtypeofgas.
During initial firing of this unit, its paint will bake out
and smoke will occur. To prevent triggering of smoke alarms,
ventilatetheroominwhichtheunitisinstalled.
Model
Input BTU/HR (KW)
Min.
Efficiency Rating* (%)
Height (inches / mm)
Width
Depth Gas Inlet
Input Vent Diameter
Input BTU/HR (KW)
(inches / mm)
(inches / mm)
(inches / mm)
Output Vent Diameter (inches / mm)
MV 145
20,000 (5.81)
6,900 (2.00)
72%
24.4 / 620
27.3 / 688
6.75 / 170
3/8” NPT
6 1/4” (160 mm)
3 1/2” (89 mm)
MV 120
8,4
24.4 / 620
21.2 / 538
6.75 / 170
3/8” NPT
00 (2.44)
3,800 (1.10)
72%
3 9/16” (90 mm)
2 1/8” (54 mm)
MV 130
14,000 (4.07)
24.4 / 620
27.3 / 688
6.75 / 170
3/8” NPT
6,000 (1.74)
72%
4 3/4” (121 mm)
2 5/8” (67 mm)
*The efficiency rating of the appliance is a product thermal efficiency determined under continuous operating conditions and was
determinedindependantlyofanyinstalledsystem.
Page 5
0-2000feet (0-610 m) 2000-4500 feet (610-1370 m)
MOD
MV 120
MV 130
MV 145
NG
0.053”(1.35 )
mm
0.070”(1.77 )
0.077”(1.95 )
mm
mm
NG
0.050”(1.27 )
mm
0.066”(1.67 )
0.072”(1.83 )
mm
mm
LPG
0.035”(0.88 )
mm
0.043”(1.10 )
0.053”(1.35 )
mm
mm
LPG
0.033”(0.83 )
mm
0.041”(1.03 )
0.050”(1.27 )
mm
mm
MV1XX-1-0603

Fi
g
ure 2
GAS SUPPLY
Compounds used on threaded joints of gas piping shall be
resistant to the action of liquefied petroleum gases. The gas
lines must bechecked for leaks bythe installer. This should be
done with a soap solution watching for bubbles on all exposed
connections,andifunexposed,apressuretestshouldbemade.
A gas valve and ground joint union should be installed in the
gas line upstream of the gas control to aid in servicing. It is
required by the National Fuel Gas Code that a drip line be
installed near the gas inlet. This should consist of a vertical
length of pipe tee connected into the gas line that is capped on
the bottom in which condensation and foreign particles may
collect.
Never use an exposed flame to check for leaks. Appliance
must be disconnected from piping at inlet of control valve
and pipe capped or plugged for pressure test. Never
pressure test with the appliance connected; control valve
willsustaindamage!
Pressure Testing of the Gas Supply System
Attention!
CheckingManifoldPressure
1. To check the inlet pressure to the gas valve, a 1/8" (3 mm)
N.P.T. plugged tapping, accessible for test gauge
connection, must be placed immediately upstream of the
gassupplyconnectiontotheappliance.
2. The appliance and its individual shutoff valve must be
disconnected from the gas supply piping system during any
pressure testing of that system at test pressures in excess of
1/2psig(3.5kPa).
3. The appliance must be isolated from the gas supply piping
system by closing its individual manual shutoff valve
during any pressure testing of the gas supply piping system
attestpressuresequaltoorlessthan1/2psig(3.5kPa).
If one of the above procedures results in pressures
in excess of 1/2 psig (14" w.c.) (3.5 kPa) on the appliance gas
valve,itwillresultinahazardouscondition.
Both Propane and Natural gas valves have a built-in pressure
regulator in the gas valve. Natural gas models will have a
manifold pressure of approximately 4.0" w.c.(.996kPa) at the
valve outlet with the inlet pressure to the valve from a
minimum of 5.0" w.c.(1.245kPa) for the purpose of input
adjustment toamaximumof10.5"w.c.(2.61kPa).Propanegas
models will have a manifold pressure approximately 10.0"
w.c.(2.49kPa) at the valve outlet withthe inlet pressure to the
valvefromaminimumof11.0"w.c.(2.739kPa)forthepurpose
of input adjustment to a maximum of 13.0" w.c.(3.237kPa). A
1/8" (3mm) N.P.T. plugged tapping, accessible for test gauge
connection,islocatedontheoutletsideofthegascontrol.
LocatingGasSupply
Recommended Gas Pipe Diameter
Note:
Note:
The gas line can enter the unit either through the floor or
outsidewall.The gaslineopeningshouldbemade atthistime.
Location of the opening will be determined by the position of
floorjoistsandthevalveandunionusedforservicing.
Never use plastic pipe. Check to confirm whether your
localcodesallowcoppertubingorgalvanized.
Since some municipalities have additional local codes,
it is always best toconsult your local authority and installation
code.
Theuseofthefollowinggasconnectorsis recommended:
— ANS Z21.24 Appliance Connectors of Corrugated Metal
TubingandFittings
—ANS Z21.45 Assembled Flexible Appliance Connectors of
OtherThanAll-MetalConstruction
The above connectors may be used if acceptable by the
authority having jurisdiction. The state of Massachusetts
requires that a flexible appliance connector cannot exceed
threefeetinlength.
Consult the current National Fuel Gas Code, ANSI Z223.1
CAN/CGA-B149(.1or.2)installationcode.
Each appliance should have its own manual gas cock. In the
state of Massachusetts the gas cock must be a T handle type. A
manual main gas cock should be located in the vicinity of the
unit. Where none exists, or where its size or location is not
adequate, contact your local authorized installer for
installationorrelocation.
InstallingaNewMainGasCock
Pipe Lenght
(Feet) Schedule 40 Pipe Inside Diameter Tubing, Type L Outside Diameter
Nat.
1/2”
1.3 cm
5/8”
1.6 cm
3/4”
1.9 cm
7/8”
2.2 cm
L.P.
3/8”
1.0 cm
1/2”
1.3 cm
1/2”
1.3 cm
3/4”
1.9 cm
0 - 10
10 - 40
40 - 100
100 - 150
Figure 1
3” (76 mm)
DRIP LEG
Alternate locations
for shut off valve
Gas supply inlet
NPT Niple
NPT NipleClose NipleShut Off
Valve
NPT Gas
Supply NPT Union
Flare FittingFlex
Tubbing
Flare Shut
Off Valve
Gas
Supply Tee
Handle
Tee Handle
FLEXIBLE GAS LINE CONNECTION
RIGID GAS LINE CONNECTION
Page 6
L.P.
3/8”
1.0 cm
1/2”
1.3 cm
1/2”
1.3 cm
1/2”
1.3 cm
Nat.
1/2”
1.3 cm
1/2”
1.3 cm
1/2”
1.3 cm
3/4”
1.9 cm
MV1XX-1-0603

CLEARANCES
use of tubes not supplied by the manufacturer results in
unsatisfactoryperformance.
shall be located at least 6" (150 mm)
from any opening through which flue gases could enter a
building; for appliances up to Btu/h
Theventcapofadirectventappliance,withaninputof10,000
Btu/h (3 kW/h) or less
50,000 (14.6 KW/h) this
distance shall be at least 9" (229 mm). The bottom of the vent
cap and the air intake shall be located at least 12" (305mm)
abovegrade.
WARNING: The nearest point of the vent cap should
be a minimum horizontal distant of six (6)
(1.83m) from any pressure regulator. In case of
regulator malfunction, the six (6) (1.83m)
distance will reduce the chance of gas entering the
ventcap.
feet
feet
1. In selecting a location for installation, it is necessary to
provide adequate accessibility clearances for servicing and
proper installation. In order to that, at least 6”(152 mm)
shouldbeleftclearfromthewallon rightsideofthecabinet
and4”(101mm)onleftside.
2. Unit is supported by a wall support plate secured to the
wall.
3. The minimum clearances from casing to combustible
construction is 36" (914 mm) on top, 4" (102 mm) on each
side and 4"(102 mm) fromthefloor orfrom the topsurface
of carpeting, tile or other floor covering and 0" (0 mm) to
rearwall.
4. Theminimumdistancefromthecenteroftheventcaptothe
nearestoutsidecornerorobstructionis16"(407mm).
5. The MV120, MV 130and MV 145 minimum wall depth is
4 1/2”(114 mm) and the maximum is 12”(305 mm). The
Fi
g
ure 3
Vent terminal clearances
A
A
G
C
F
L
D
E
B
A=
B=
C=
D=
E=
F=
G=
H=
I=
clearance above grade, veranda, porch, deck
or balcony
clearance to window or door that may
be opened
clearance to permanently closed window
vertical clearance to ventilated soffit located
above the terminal within a horizontal distance
of 2 feet (61 cm) from the center line
of the terminal
clearance to unventilated soffit
learance to outside corner
learance to inside corner
clearance to each side of center line extended
above meter/regulator assembly
clearance to service regulator vent outlet
c
c
V
X
Vent teminal
Area where
terminal is
not permitted
Air supply
CANADIAN INSTALLATIONS
1
US INSTALLATIONS
2
12” (30 cm)
6” (15 cm) for appliances 10,000 Btu/h
(3 kW), 12” (30 cm) for appliances 10,000
Btu/h (3 kW) and 100,000 Btu/h (30 kW)
clearance in accordance with local
installation codes and the
requirements of the gas supplier
3 feet (91 cm) within a height 15 feet (4.5 m)
above meter/regulator assembly
3 feet (91 cm)
<
>
<
12” (30 cm)
6” (15 cm) for appliances 10,000 Btu/h
(3 kW), 9” (23 cm) for appliances 10,000
Btu/h (3 kW) and 0,000 Btu/h (15 kW)
clearance in accordance with local
installation codes and the
requirements of the gas supplier
<
>
5<
clearance in accordance with local
installation codes and the
requirements of the gas supplier
Page 7MV1XX-1-0603

INSTALLATION INSTRUCTIONS
servingaseparatesolid-fuelburningappliance.
Begin the installation by locating the wall studs on the side
wall of the structure. Find the centerlines between the studs
where you want the unit to be mounted. Refer to the following
illustration (Figure 5) for a side view of how the finished
installation should look. This appliance is certified for
installation on walls which are a maximum of 12” (305 mm)
thick. The vent assembly supplied with the unit will
accomodatewallsuptothatthickness.
With the template flat and level against the inside wall, mark
thelocationfortheopeningfortheventassemblyaswellasthe
location of the two holes for mounting the wall support plate
andthe onefor thegas supply, ifthe supply is to bethrough the
wall. If desired, (and in accordance with all applicable
building and plumbing codes) the gas piping can be brought
intotheroomthroughthefloorunderneaththeunit.
Removethetemplatefromthewallandwithalongdrill,make
a hole in the center of the opening for ventilation all the way
throughinside and outside wall. Trace the wall openingin
CuttingtheVentHole
LocationofFurnace
LocatingWallOpening
Note:
Theheatermustbeon anoutsidewallintheroomtobe heated.
When choosing a location for the furnace please remember
that the vent cap supplied with the unit must be installed
without alteration, with the exception of cutting the vent tubes
and insulation to length, as directed in these instructions. The
outside vent cap needs to be flush to the wall, so select a
relativelysmoothexteriorsurface.
Since this appliance is a direct vent (balanced flue) design, all
combustion and ventilation air is drawn from outside of the
structure. No special considerations for combustion are
necessary inside the structure. Once you have determined that
the exterior vent will meet the clearances above, you must
locate the heater on the inside wall of the room to be heated.
Begin the installation by locating the wall studs on the inside
wall of the structure. Find the centerlines between the studs
whereyouwanttheunittobemounted.
A full scale template is furnished with the unit which
illustrates the vent and gas supply openings and mounting
holesintheircorrectlocationsonthewall.
thefigure 4 gives therequired dimensions formounting
theunit,intheeventthatthetemplateisunusableorlost.
Place the template on the wall so that the vent opening will be
located between the studs and, in the case of the MV 130, for
example, the bracket mounting holes are over the studs (16” /
406 mm, on center). DO NOT CUT THE WALL STUDS IN
ORDER TO INSTALL THE UNIT. Place the bottom edge of
the template directly on the floor or the floor covering such as
carpetingortile.
Make sure that the location you have selected for the furnace
compliestherequirementsabovebeforeitsinstallation.
This gas appliance must not be connected to a chimney flue
InstallingtheUnit
3/16” (4.7 mm)
Mounting Holes D
A
C
21 5/8” (550 mm)
FLOOR
Fi
g
ure 4
CLEARANCES (cont.)
J=
K=
L=
M=
clearance to nonmechanical air supply inlet to
building or the combustion air inlet to
any other appliance
clearance to a mechanical air supply inlet
clearance above paved sidewalk or paved
driveaway located on public property
clearance under veranda, porch deck, or balcony
CANADIAN INSTALLATIONS
1
US INSTALLATIONS
2
6” (15 cm) for appliances 10,000 Btu/h
(3 kW), 9” (23 cm) for appliances 10,000
Btu/h (3 kW) and 0,000 Btu/h (15 kW)
3 feet (91 cm) above if within 10 feet
(3 m) horizontally
<
>
5<
clearance in accordance with local
installation codes and the
requirements of the gas supplier
1 In accordance with the current CSA B149.1, .Natural Gas and Propane Installation Code
2 In accordance with the current ANSI Z223.1/NFPA 54, .
3 A vent shall not terminate directly above sidewalk or paved driveaway that is located between two
National Fuel Gas Code single family dwellings and serves both dwellings. 4 Permitted only if veranda, porch, deck, or balcony is fully open on a minimum of two sides
beneath the floor.
6” (15 cm) for appliances 10,000 Btu/h
(3 kW), 12” (30 cm) for appliances 10,000
Btu/h (3 kW) and 100,000 Btu/h (30 kW)
6 feet (1.83 m)
7 feet (2.13 m)
12” (30 cm)
4
<
>
<
3
Page 8
A
10 1/4” (260 mm)
16” (406 mm)
16” (406 mm)
D
5 1/2” (140 mm)
6 3/4” (171 mm)
8 1/2” (216 mm)
E
6 1/8” (155 mm)
9” (230 mm)
9” (230 mm)
C
4 1/4” (108 mm)
4 1/4” (108 mm)
3 3/4” (98 mm)
MOD
MV 120
MV 130
MV 145
E
MV1XX-1-0603

wall and fasten the vent cap to the wall using the 4 screws
(provided with the unit) in the holes prepared in the vent cap
plate.
Making certain that the vent cap is flushed to the outer wall,
draw a line all the way around the vent pipe where it comes
throughtheinsidewall.
Remove the vent assembly fromthe wall. Measure7/ 16” (11
mm) from the line just made and make a mark towards the
openendofthepipe.
Mark several spots around the pipe insulation at this 7/ 16”
(11mm)distanceandthentapeasheetofpaperaroundthepipe
atthistimetoassureanevencut.
Use acutter knifeto cutonlythe insulation and itslininganda
hacksaw ortin snipsto cut the largerpipeat thecut lineon the
edgeofthepaper.
Cut a clean, straight line on the outside tube, being careful not
tocrimpordeformthetube.
On MV 120 and MV 130 units, you must proceed to cut the
insulationagainthroughthelineoriginallytraced(flushlineof
the inner wall, 7/16” back from the cut end of the tube). (See
drawing)
On MV145 units, you must proceed to cut the lower edge of
the insulation (only this part, notthe complete circumference)
to allow the ventilation come through the wall mounting
supportbar.Cutaccordingfollowingdrawing:
Measure now2” (50.8 mm)from the cut end ofthelargerpipe
and make a mark on the inner pipe. Be certain that the inner
pipe is thoroughly marked so that it will be 2” (50.8 mm)
longerthanthelargerpipewhencut.Theinnerpipeneedstobe
cutwithahacksaw.
In case outside wall is of tiled wood construction, rough or
unlevelled, the use of silicone sealing compound to avoid
(Note:thislineonlymarksthepoint
where the pipe comes through the wall. It is not where you
willcutthepipes).
It is veryimportant thatthis bea clean straight cut for the
heatertoperformproperly.
Remember to remove the vent assembly from the wall in
ordertocutthetubes
Installingtheventassemblyandwallsupportplate
the indicated diameter in both walls and cut them. Your hole
will be about 1 to 2” (26 to 52 mm), depending on the unit
model,largerindiameterthantheventpipe.
Make surethetwoholes(intheinsideandtheoutsidewall)are
concentric to one another and line up. If the opening in the
outsidewallishigherthantheopeningintheinsidewall,water
from rain or from lawn sprinklers could enter the vent cap and
drip back into the heater, causing it to rust out. Use a
carpenter´s level and square to confirm that the two holes are
levelandinlinewithoneanother.
Ifthe vent capis to beinstalled on shingles orclapboards, orif
itappearsthataprojectionwithin6”(152.4mm)oftheairinlet
section could shield the air inlet, the entire vent should be
supportedawayfromthewallasshowninFigure6.
For the siding extention kit please contact our Parts
Department.
Note:
Markingandcuttingtheventpipestotheproperlength
the vent assembly of MV 145 units has off-centre tubes
andmustbeinstalledinacertainposition.Makesurethearrow
engraved on its ring is located in the upper position. If not,
connectingtheinnerpipeintheappliancewon´tbepossible.
From the outside of the building, push the vent assembly
through the hole until the vent cap flange is against the outer
INSTALLATION INSTRUCTIONS (cont.)
Figure 6
Figure 7
Vent cap
Support
box
Pilot burner
viewing Vent cap
Wall
bracket
Figure 5
Centerline
Outside
wall
Reflecting
mirror
21 5/8” (550 mm) minimum
Page 9
Insulation
Top
Flue gases tube
Air intake tube
In models
MV-120 /MV-130:
7/16 "
In model MV-145:
3/4 "
MV1XX-1-0603

Important:removestyrofoaminsidefrontcovernow.
Place the foam
p
ads on the four raised “bum
p
s” on the rear of the unit.
These foam pads will protect the wall surfaces from
damage.
Warning: the heater will not function properly if these
connections are not tight and clean.
LightingInstructions
Connectingthegassupply
After connectin
g
the
g
as su
pp
l
y
to the
g
as control on the
heater, the connections must be checked thoroughly for
leaks.
Remove the small piece of wood from the rear of the heater
and discard. Four small adhesive foam pads are included with
theunitandcanbefoundinthe accessorybag.
Hangtheheateronthearmsonthewallsupportbracket,taking
extreme care to ensure that the small diameter vent pipe fits
inside the smaller opening in the rear of the unit. (See Figure
9). The larger diameter vent pipe must then slide over the
outsideflangeopening.
Secure the unit to the
wallsupportbracketwiththetwoscrewsprovided.
Attachthe tothebackoftheunitsothat
they may be read when necessary. These instructions are for
current and future use. Make sure they remain accesible after
theunitisinstalled.
Connect the gas supply to the 3/8” (9.5 mm) pipe on the lower
part of the right side of the heater by using standard
connectors. Please refer to thecautionary remarksnoted in the
beginningofthismanual.
With the shut-off valve turned ON, but the gas control
knobontheheaterOFF,applyliberalamountsofasoapywater
solution to all of the piping joints. A gas leak will cause
bubbles toform.Note anyleaksinthepipingsystem, then shut
off the gas at the shut-off valve, or at the gas meter or
propane/LPtankservingthebuilding.Fixtheleakingjointand
re-testthejointsasdirectedabove.
Once the supply is checked and does not leak, place the cover
on theunit. See Figure 10. Be sure thefoam packing has been
removed. Secure the cover with the two nuts at the bottom of
theunitwhichyouhadremovedwhenunpacking.
eventualwaterfiltrationortheentranceofbugsisnecessary.
Press the flange against the outer wall surface and fasten the
ventcaptothewallusing the4 screws(providedwiththeunit)
in the holes prepared in the vent cap plate. Once the vent is
secured to the wall, proceed filling the gaps between the vent
plateandthewallwithsiliconesealingcompound.
Inside the building, place the wall support plate (which is
taped inside thecabinet duringshipment) overthe open endof
thevent pipeandpushtheplatefirmlyagainsttheinteriorwall.
Now level the plate with carpenter level and mark the
mounting holes with a pencil (see Figure 8). Remove the wall
supportplatefromtheventpipeanddrillthetwoholeswiththe
appropriatedrillbit.
Place the wall support plate over the vent pipe again and affix
the plate to the wall using the two screws provided with the
unit.
You might need to handle the introduction of the larger
pipe into the hole of the support plate with your fingers
since the pipe could have suffered some minor
deformationthroughthecuttingprocess.
Note: hollow wall fasteners (also supplied with the unit)
arenecessary for model MV120. Models MV130 and MV
145canbemountedonthewallstuds.
Mountingthefurnace
Take off the cover by loosening the two screws at the bottom.
Pull the bottom away from the heater and lift it up off the tabs
ontop.
INSTALLATION INSTRUCTIONS (cont.)
Figure 8
Figure 9
Figure 10
Page 10 MV1XX-1-0603

LIGHTING INSTRUCTIONS
FOR YOUR SAFETY READ BEFORE LIGHTING
LIGHTING INSTRUCTIONS
TO TURN OFF GAS TO APPLIANCE
WARNING: If you do not follow these instructions exactly, a fire or explosion
may result causing property damage, personal injury or loss of life.
phone.Followthegassupplier'sinstructions.
• If you cannot reach your gas supplier, call the fire
department.
C. Use only your hand to push in or turn the gas control knob.
Never use tools. If the knob will not push in or turn by hand,
don'ttrytorepairit;callaqualifiedservicetechnician.Force
orattemptedrepairmayresultinafireorexplosion.
D. Do not use this appliance if any part has been under water.
Immediately call a qualified service technician to inspect the
appliance and to replace any part of the control system and
anygascontrolwhichhasbeenunderwater.
A. This appliance has a pilot which must be lighted by hand.
When lightingthepilot,followtheseinstructions exactly.
B. BEFORE LIGHTING smell all aroundtheapplianceareafor
gas. Be sure to smell next to the floor because some gas is
heavierthanairandwillsettleonthefloor.
WHATTODOIFYOUSMELLGAS
•Donottrytolightanyappliance.
• Do not touch any electrical switch; do not use any phone in
yourbuilding.
• Immediately call your gas supplier from a neighbor's
1.STOP!Readthesafetyinformationabove.
2.Setthethermostattothelowestsetting.
3. Openthecontrolaccess panelonthetoprightsideoftheunit.
4. Turnthegascontrolknobclockwise totheOFFposition.
5. Wait five (5) minutes to clear any gas. If you then smell gas,
STOP! Follow “B” in the safety information above in this
label.Ifyoudon´tsmellgas,gotothenextstep.
6. Locate the red pushbutton Piezo igniter directly behind the
gascontrolknob.
7. Turn the gas control knob counter clockwise to the
PILOT position. Depress the gas control knob and push in
the Piezo igniter several times, until the pilot is lit. The pilot
flame can be observed by looking down the inside of the
heater jacket. A small reflector on the right hand side near
1.Setthethermostattolowestsetting.
2. Openthecontrolaccess panelonthetoprightsideoftheunit.
3. Turn the gasknob clockwise to the OFF position. Do
notforce.
4. Closethecontrolaccess panel.
After turning offwait5minutes beforetrying
torelight.
WARNING:
the bottom should allow you to see if the pilot is lit. Removal
of the outer painted jacket of the heater will allow direct
visualobservationofthepilotandburner.
8. Continue to depress the gas control knob for at least 30
seconds or until the pilot remains lit. When you release the
gas controlknob, it should popback up. Pilot should remain
lit.
- If the knob does not pop up when released, stop and
immediatelycallyourservicetechnicianorgassupplier.
- If the pilot will not stay lit after several tries, turn the gas
control knob to the OFF position and call your service
technicianorgassupplier.
9. Attention! Gas control knob has an INTERLOCK latching
device. When the pilot is initially lit and the safety magnet is
energized (pilot stays ON) the interlock latching device
becomes operative. If the gas control is turned to the OFF
position or gas flow to the appliance is shut off, the pilot
cannot be relighted until the safety magnet is de-energized
(approximately60seconds). There will bean audible“click”
when the safety magnet in the gas control is de-energized.
Pilotcannowberelighted.Repeatsteps4 through8.
10. Replacethefrontpaintedcover(ifremoved).
11. Turn the gas knob counter clockwise to the desired
temperaturesetting.
12. Closethecontrolaccessdoor.
CONTROL KNOB
INDICATOR
PILOT THERMOCOUPLE
GAS CONTROL KNOB
SHOWN IN OFFPOSITION
5
4
3
2
1
Page 11MV1XX-1-0603

PILOT FLAME CHARACTERISTICS
MAIN BURNER FLAME CHARACTERISTICS
There will be a short blue inner flame with a much larger
lighter blue secondary flame. The burner flame may have a
yellow tip when hot. See the burner drawing showing the
approximate heights of each part of the flame. Dust in the
combustion air will produce an orange or red flame. Do not
mistakethe orangeor red flame for animproperyellowflame.
Afteruse,cleaningmayberequiredfortheproperflame.
The correct flame will be almost horizontal, blue and will
extend past the thermocouple 1/4" (6 mm). The flame will
surroundthethermocouplejustbelowthetip.
Onpropane(LP-gas)slightyellowmightoccurwherethepilot
flameandburnerflamemeet.
Natural gas pilots require adjusting when the inlet pressure is
above 5" w.c. (1.25kPa). Turn adjustment screw clockwise to
reduceflame.
Propane(LP-gas)willnotrequireadjusting.
Pilot
Flame must extend
past the thermocouple
Thermocouple
Fi
g
ure 11
Fi
g
ure 12
The appliance should be inspected and cleaned before using
each year by aqualified service person.
the following instructions are designed to direct a
qualified technician through the proper periodic maintenance
and repair which may be required throughout the expected life
of this unit.
1. Remove the cover fromthe unit by removing the two nuts at
thebottomoftheunit.
Warning:
NOattempt shouldbe madeby the homeowner
toperformthesefunctions.
2.ThegassupplyshouldbeturnedOFFattheshut-offvalvein
thesupplypipingleadingtotheappliance(ifinstalled),orat
the gas meter or propane/ LP tank.
3. Remove the two screws which hold the unit to the wall
supportplateandliftandpulltheunitawayfromthewall.
4. Carefully examine the interior of the vent pipes, both large
and small diameter. If you notice any blockage or
obstruction,cleanthepipes.
5.Lookinsidetheopeningsoftherearoftheunitandcheckfor
any foreign materials. Remove any objects which may
block or obstruct the free flow of combustion and
ventilation air. You will only be able to see a portion of the
interioroftheunitfromthisangle.
6. The main burner and pilot burner can be removed from the
unit for cleaning by first loosening the compression fittings
The gas to the unit
shouldbedisconnectedsotheunitcan beremovedfrom
thewall.
that supply gas to both the main burner and pilot. Note:
before removing either the pilot assembly or main burner
assembly be sure to have replacement gaskets on hand.
See Figure 13. After unscrewing the gas connection to the
burner and removing the compression nuts, unscrew the
thermocouple from the base ofthe pilot and remove it from
the pilot assembly. Remove the four screws which hold the
main burner/pilot plate in place, and withdraw the
burner/pilot from the unit. Check the burner/pilot for dirt,
lint, or a black powdery carbon deposit. If any is noted,
brushitoffcompletelyusingasoftbristledbrush,orblowit
MAINTENANCE
Burner flame
Primary flame 1/4” (6 mm) to 1/2” (13 mm)
Secondary flame 4” (102 mm) to 6” (152 mm)
Figure 13
Screws that hold
the main burner/pilot
plate in place
Gas connection
to the burner
Thermocouple
Page 12 MV1XX-1-0603

MAINTENANCE (cont.)
out. Do not attempt to pass anything through the pilot
orifice. Next, check the main burner for dirt, lint orcarbon
deposits.Again,ifanyisnoted,cleanwithasoftbrush.
7. Inspecttheinteriorofthecombustionchamberfordirt,lint
or carbon deposits. If any are found, loosen them with a
longhandledbrushandremovetheresiduefromtheheater
withavacuumcleaner.
8. In preparation for replacing the main burner/pilot, check
the condition of the gasket on the mounting plate. If the
gasket appears damaged or worn, replace ONLY with a
gasket available from Empire Comfort Systems Inc.,
whose address is at the bottom of this page. Install the
assembly in the heater and re-secure the assembly to the
heater chassis with the four screws removed in step 6
above.
9. Reconnect the main burner andpilot gaslines whichwere
disconnected in step 6 above. Reinstall the thermocouple
in the pilot bracket, inserting it fully into chamber before
tightening.
10. Replace the heater on the wall support bracket, taking
extreme care to ensure that the small diameter vent pipe is
firmly engaged with the vent outlet at the rear of the
heater. The large diameter vent pipe will slide over the
appropriate opening. Resecure the unit to the bracket with
thetwoscrewsremovedearlier.
Note: verify that the left side of themainburner
is mounted on its support bracket. The burner should
belevel.
11.ReconnectthegassupplypipingandREPEATTHELEAK
TEST PROCEDURE. In addition, it will be necessary for
you to check the gas connections inside the unit for leaks.
After testing thegas connections to the unit, place the pilot
burner into operation by following the instructions found
inthismanualoronthehangingtagbehindtheunit. Check
all joints to the pilot gas line with a soapy water
solution. Bubbles on any of the joints indicated a leak is
present and must be repaired. Turn OFF the gas to the unit
when performing any repairs to the gas piping system.
Afterthe pilotlinesare checked,turn the main burner ON
and again check all joints in the piping system for leaks
with soapy water. Repair any joints which indicate a leak
ispresent.
12. While the main burner is ON, check the pilot and burner
flames to see that theyare burninga clean blue color. See
Figures 11 and 12 for an approximation of the correct
flame pattern. If your unit is not burning cleanly, or if you
are not sure, turnthe unit OFF andcontact thegas supplier
orcallEmpireComfortSystemsInc..
Before completing your periodic maintenance checkout,
ensure that the appliance area is clear and free from
combustible materials, gasoline, and other flammable vapors
or liquids. Also check to see that the flow of combustion and
ventilation air around the vent cap on the outside of the
structureisnotobstructed.
Note:verifyproperoperationafterservicing.
HOW TO ORDER REPAIR PARTS
Parts can be ordered only through your . For best results, the service person or dealer should order parts
throughthedistributor.Partscanbeshippeddirectlytothe .
AllpartslistedinthePartsList have aPart Number. When orderingparts,firstobtaintheModel Numberfromthe nameplate onyour
equipment.ThendeterminethePartNumber(nottheIndexNumber)andtheDescriptionofeachpartfromthefollowingappropriate
illustrationandlist.Besuretogiveallthisinformation...
FurnaceModelNumber PartDescription
FurnaceSerialNumber PartNumber
TypeofGas(PropaneorNatural)
Donotorderbolts,screws,washersornuts.Theyarestandardhardwareitemsandcanbepurchasedatanylocalhardwarestore.
Shipmentscontingentuponstrikes,firesandallcausesbeyondourcontrol.
service person or dealer
serviceperson/dealer
Empire Comfort Systems, Inc. Nine Eighteen Freeburg Ave. Belleville, IL 62222-0529
Page 13MV1XX-1-0603

PARTS LIST
PLEASENOTE:
USE ONLY MANUFACTURER'S REPLACEMENT PARTS. USE OF ANY OTHER PARTS COULD CAUSE INJURY
ORDEATH.
Whenorderingparts,itisveryimportantthatpartnumberanddescriptionofpartcoincide
PART NAME
Vent Assy. (6” to 12” / 152.4 to 304.8 mm)
Combustion Chamber
Cover
Main Burner Assembly
Pilot Burner
Vent Assy. (12” to 18” / 305 to 460 mm)
Wall Support Plate
Thermocouple
Gas Control Nat. Gas
Gas Control LP Gas
Piezo Igniter
Piezo Wire
Pilot Igniter Electrode
Gasket for Viewing Window
Mica for Viewing Window
Frame for Viewing Window
Mirror for Viewing Window
Pilot Tubing
Main Burner Tubing
Burner Bracket
Pilot Burner Gasket
Main Burner Gasket
Burner Orifice Natural
Burner Orifice LP Gas
Burner Orifices for 2000-4500 ft (610-
1370 m) altitude Nat. Gas
Burner Orifices for 2000-4500 ft (610-
1370 m) altitude LP. Gas
Pilot Burner Orifice Natural
Pilot Burner Orifice LP Gas
Minimum Rate Screw Nat.
Minimum Rate Screw LPG
Gas Valve Connection Kit
Page 14
PART / MV 130N°
SD43018500
SD430185B0
SD442202B0
SK00000048
SK00000051
SD44107500
SD44105800
SD44305500
SD44177000
SD44176900
SD44175800
SD44120800
SA00000263
SD44107002
SD44107100
SD44106900
SD44106801
SK00000053
SK00000054
SD44106100
SD44158001
SD44158102
SD44125500
SD44125200
SD443332C0
SD443332D0
SD44111300
SD44132400
SD44152900
SD44153000
SK00000055
PART / MV 145N°
SD43018400
SD430184B0
SD44326100
SK00000049
SK00000052
SD43107900
SD44105800
SD44305500
SD44177000
SD44176900
SD44175800
SD44120800
SA00000263
SD44107002
SD44107100
SD44106900
SD44106801
SK00000053
SK00000054
SD44106100
SD44158001
SD44158102
SD443215A0
SD443215B0
SD443215C0
SD443215D0
SD44111300
SD44132400
SD44152900
SD44153000
SK00000055
PART / MV 120N°
SD43019400
SD430194B0
SD44221800
SK00000047
SK00000050
SD44108300
SD44105800
SD44305500
SD44177000
SD44176900
SD44175800
SD44120800
SA00000263
SD44107002
SD44107100
SD44106900
SD44106801
SK00000053
SK00000054
SD44106100
SD44158001
SD44158102
SD44125400
SD44125700
SD443332A0
SD443332B0
SD44111300
SD44132400
SD44131900
SD44131600
SK00000055
No.
1a
1b
2
3
4
5
6
7
8a
8b
9
10
11
12
13
14
15
16
17
18
19
20
21a
21b
22a
22b
23a
23b
24a
24b
25
MV1XX-1-0603

Page 15
PARTS VIEW
MV1XX-1-0603

Page 16
TROUBLESHOOTING
SYMPTON1:PILOTWILLNOT LIGHT
A. Gas is not turned on,or air is trappedin thegas line
B. Gas control, is not set to proper position
C.No spark from piezo
D. Clogged pilot injector
E. Gas regulator jammed due to high pressure
F. Broken or cracked piezo electrode or broken electrode
wire
SYMPTON 2: PILOT WILL NOT STAY LIT WHEN
KNOBISRELEASED
A. Gas control knob not held down long enough
B. Pilot flame too weak
C.Thermocouple not functioning
:the
air trapped in the gas supply may be bled easily at the
minimumratescrew. Thisisabrassscrewlocatedontopof
thegas control situatedat 1 o´clockwhenlooking down the
control knob. Unscrew the plug completely and pry out
with a small screw driver. Turn the heater control knob to
“pilot position” and press down until you smell the gas
escaping at that screw hole. NOTE: ALL OPEN FLAMES
INAREANEEDTOBEEXTINGUISHED.Aftertheodor
is noted, replace brass screw and tighten snugly. Wait 5
minutesforgastodissipate.Relightheater.
: in MV 120 and
MV130units,itmaybedifficulttoseetheindicator for the
pilot/gas position. Note that it is a marking, found on
the lower side of the gas control, situated at 6 o´clock
whenlookingdownthecontrol.
In MV 145 units, there´s a slot marking in the front of the
ringaroundthedialmarkingthereferenceposition.
: look through window for spark
when lighting the pilot. If there is no spark, trace the
insulated sparking wire to the electrode and be certain all
connectionsaretight.
: cleanthe pilot orifice.Natural gas
orificesarelargeenoughthatyoucanusuallycleanthemby
blowing through them. The LP orifice is so small that the
best is to replace it. Never try to enlarge the hole, or use a
sharphardobjectforcleaning.
: reset the
regulator.
:replaceit.
: allow at
least 30 seconds. During initial lighting, or after long
periods of inactivity, the presence of air in the gas supply
pipemayaskforalongerhold.
: a weak pilot indicates dirt or an
insufficient gas supply. However, the pilot maybe adjusted
byturningthesmallbrassscrewonthelefthandfronttopof
the gas control top plate. Backing the screw out
counterclockwise increasesthe pilot flame. Thepilot flame
should contact the thermocouple tip, but not excessively
long.(SeeLightingInstructions).
: the thermocouple is a
standard 24 millivolt probe. Check its effectiveness by
removing it from the heater and attach a probe (alligator
clip)tothemagnetcontactbulbonthegascontrolendofthe
thermocouple. Place the other probe (alligator clip) to the
cooper shield near the heat tip. Holding the tip in a flame
source,suchasacandleflame,agoodthermocoupleshould
read 23-30 millivolts. If this is not the case, replace the
thermocouple.
have gas person confirm gas
pressures.
replace it. (This is a very
unlikelyoccurrence).
(larger vent pipe not
fitting snugly over outer flange). The inner vent pipe must
be 2” (50.8 mm) longer than the outer vent pipe in order to
maintain the necessaryair supply for propercombustion.If
the inner and outer pipes are close to the same length, air
supply will not beadequate andtheburnerswill not stay on.
Flames lifting off of the burner are symptomatic of
improperventing.
if
the thermostat sensor bulb at the bottom of the furnace is
toonear anelectric baseboard,the appliancewillsensethat
theroomiswarmenoughandtheburnerswillnotcomeon.
: any dirt or debris
which accumulates in or over the outer vent cap will
interfere withthe ventingof theheater, andthe burners will
not function. The heater must be adequately vented for
properfunctioning.
foreachstatedproblem(1-5),thecausesarestatedinthe
orderoflikelihoodofoccurrence.
SYMPTON3:MAINBURNERWON´TLIGHT
A. Pilotisnotlighted.
B. Thermostat turned too low or Gas control knob still on
“pilot”position.
C. Gas supply is inadequate:
D.Defective gas control valve:
SYMPTON4:MAINBURNERWON´TSTAYLIT
A.Temperaturedialturnedtoolow.
B. Vent pipes not cut to proper length:
C.Gassupplyisinadequate.
D. Thermostat sensor bulb near accessory heat source:
E. Outer vent cap is dirty or obstructed
SYMPTON 5: ROOMS WILL NOT MAINTAIN
TEMPERATURE
A. Thermostat turned too low or Gas control knob still on
“pilot”position.
B.Unitistoosmalltoheatthespace.
C.Gassupplyisinadequate.
Note:
MV1XX-1-0603