ProSelect FORCESTM Series Manuel de service
For service or repairs to boiler, call your heating contractor. When seeking information on boiler,
provide Boiler Model Number and Serial Number as shown on Rating Label.
Boiler Model Number
FORCESTEAM0 _
Boiler Serial Number Installation Date
Heating Contractor Phone Number
Address
106324-04 - 4/18 Price - $5.00
INSTALLATION, OPERATING
AND
SERVICE INSTRUCTIONS
FORCESTM™ SERIES
GAS BOILER
9700609
2106324-04 - 4/18
FOLLOW ALL INSTRUCTIONS and warnings
printed in this manual and posted on the boiler.
INSPECT THE BOILER ANNUALLY. To keep
your boiler safe and efficient, have a service
technician follow the Service checklist near the
end of this manual.
IF YOU ARE NOT QUALIFIED to install or service
boilers, do not install or service this one.
THE BOILER MAY LEAK WATER at the end of its
useful life. Be sure to protect walls, carpets, and
valuables from water that could leak from the
boiler.
PROTECT YOUR HOME IN FREEZING
WEATHER. A power outage, safety lockout, or
component failure will prevent your boiler from
lighting. In winter, your pipes may freeze and
cause extensive property damage. Do not leave
the heating system unattended during cold
weather unless alarms or other safeguards are in
place to prevent such damage
DO NOT BLOCK AIR FLOW into or around the
boiler. Insufficient air may cause the boiler to
produce carbon monoxide or start a fire.
KEEP FLAMMABLE LIQUIDS AWAY from the
boiler, including paint, solvents, and gasoline.
The boiler may ignite the vapors from the liquids
causing explosion or fire.
KEEP CHILDREN AND PETS away from hot
surfaces of the boiler, boiler piping, and vent
pipe.
CARBON MONOXIDE (CO) is an odorless,
deadly gas that may be introduced into your
home by any malfunctioning fuel-burning product
or vent system failure. Consider installing CO
alarms near bedrooms in all levels of the building
to warn you and your family of potential CO
exposure.
WARNINGS FOR THE HOMEOWNER
33
106324-04 - 4/18
READ THIS ENTIRE MANUAL before attempting
installation, start-up, or service. Improper
installation, adjustment, alteration, service,
or maintenance may cause serious property
damage, personal injury, or death.
DO NOT DISCONNECT PIPE FITTINGS on
the boiler or in the heating system without first
verifying that the system is cool and free of
pressure and that your clothing will protect you
from a release of hot water or steam. Do not rely
solely on the boiler’s temperature and pressure
gage when making this judgment.
USE PROPER PERSONAL PROTECTION
EQUIPMENT when servicing or working near the
boiler. Materials of construction, flue products,
and fuel contain alumina, silica, heavy metals,
carbon monoxide, nitrogen oxides, and/or
other toxic or harmful substances that can are
hazardous to health and life and that are known
to the State of California to cause cancer, birth
defects, and other reproductive harm.
INSTALL ALL GUARDS, cover plates, and
enclosures before operating the boiler.
SIZE THE BOILER PROPERLY relative to the
design heat load or, if using domestic hot water
priority, the peak hot water load, whichever
is larger. A grossly oversized boiler will cycle
excessively and this will lead to premature failure
of the boiler and its components. Our warranty
does not apply to damage from excessive
cycling.
ADHERE TO ALL LOCAL CODE
REQUIREMENTS. Contact your local code
inspector prior to installation. In the absence of a
local code, adhere to the National Fuel Gas Code
ANSI Z223.1/NFPA 54.
ALL WIRING must comply with the National
Electrical Code ANSI/NFPA 70.
WARNINGS FOR THE INSTALLER
4106324-04 - 4/18
TheFORCESTMseriesboilersarelowpressurecastirongasredsteamboilersdesignedforuseinclosedsteam
heatingsystems.TheseboilersareCategoryIdraftdiverterequippedappliances,whichmustbeventedbynaturaldraftusing
alinedmasonryorlistedmetalchimneysystem.Anadequatesupplyofairforcombustion,ventilationanddilutionofue
gasesmustbeavailableintheboilerroom.Theseboilersarenotdesignedforuseinprocessorother“open”steamsystems
TABLE OF CONTENTS
I. Product Description.................................................................................... 4
II. Specications............................................................................................ 5
III. Pre-Installation........................................................................................... 6
IV. Locating the Boiler..................................................................................... 6
V. Air for Combustion & Ventilation................................................................ 7
VI. Venting....................................................................................................... 8
VII. Gas Piping................................................................................................. 10
VIII. System Piping............................................................................................ 11
IX. Indirect Water Heater Piping...................................................................... 14
X. Electrical.................................................................................................... 15
XI. System Start-Up........................................................................................ 20
XII. Service Instructions................................................................................... 25
XIII. Troubleshooting.......................................................................................... 29
XIV. Repair Parts.............................................................................................. 33
Appendix A - Tapping Locations................................................................. 44
I. Product Description
55
106324-04 - 4/18
TABLE 1: FORCESTM SPECIFICATIONS
II. Specications
FIGURE 1: FORCESTM BOILERS - GENERAL CONFIGURATION
Boiler Model
Approx.
Shipping
Weight
Lbs.
Dimensions (in inches) Recommended Min.
Round
Chimney Size
(Diameter x Height)
(1)
Gas
Conn.
(NPT)
Water Volume
(Gal.)
'A' 'B' 'C' 'D' Steam
Boiler (2)
FORCESTM03 350 12¾
28
40-7/16
4 4" x 15 ft.
1/2"
5.1 3.9
FORCESTM04 420 16 5 5" x 15 ft. 6.5 5.0
FORCESTM05 485 19¼ 6 6" x 15 ft. 7.9 6.1
FORCESTM06 555 22½ 9.3 7.2
FORCESTM07 620 25¾ 30 7 7" x 15 ft. 3/4" 10.7 8.3
FORCESTM08 690 29 12.1 9.4
(1) 15' chimney height is from bottom of Draft Hood opening to top of Chimney.
(2) Steam boiler's "steamable water volume": water volume from NWL (normal water level) to low water cutoff level.
Heating Surface: 4.35 sq. ft. per ueway (steam); 5.72 sq. ft. per ueway (water)
6106324-04 - 4/18
1) Safe,reliableoperationofthisboilerdependsuponinstallationbyaprofessionalheatingcontractorinstrictaccordance
withthismanualandtherequirementsoftheauthorityhavingjurisdiction.
• Intheabsenceofanauthorityhavingjurisdiction,installationmustbeinaccordancewiththismanualandthe
National Fuel Gas Code,ANSIZ223.1/NFPA54.
• Whererequiredbytheauthorityhavingjurisdiction,thisinstallationmustconformtotheStandard for Controls and
Safety Devices for Automatically Fired Boilers(ANSI/ASMECSD-1).
2) Makesurethataproperlysizedchimneyisavailablewhichisingoodcondition.Consulttheauthorityhaving
jurisdiction,PartVIofthismanual,andtheNational Fuel Gas Codeforadditionalinformationonventingrequirements.
3) Makesurethattheboileriscorrectlysized.UseanindustryacceptedsizingmethodsuchastheI=B=R Installation
Guide for Residential Hydronic Heating Systems (Pub. #200) and I=B=R Heat Loss Calculation Guide(Pub.#H21or
#H22).
4) Makesurethattheboilerreceivedisconguredfornaturalgas.
5) GasConversionKitsarelistedbelow:
FORCESTM03 FORCESTM04 FORCESTM05 FORCESTM06 FORCESTM07 FORCESTM09
Natural to LP
(Propane)
106567-01 106567-02 106567-02 106567-03 106567-04 106567-04
LP (Propane) to
Natural
106568-01 106568-02 106568-02 106568-03 106568-04 106568-04
Warning
This Product Must be Installed By A Licensed Plumber Or Gas Fitter
when Installed Within The Commonwealth Of Massachusetts
IV. Locating the Boiler
1) Clearances:
• Observetheminimumclearancesshownbelow.Theseclearancesapplytoallcombustibleconstruction,aswellas
noncombustiblewalls,ceilingsanddoors.AlsoseeFigure2.
Front–18”
RightSide–18”
LeftSide–6”
Rear–6”
Top–17”
• A24”serviceclearancefromthejacketisrecommendedontheleft,right,andfrontoftheboiler.Theseclearances
maybereducedtothoseshowninFigure2,howeverservicingtheboilerwillbecomeincreasinglydifcultasthese
serviceclearancesarereduced.
• Iftherightside24”serviceclearanceisreduced,adequateclearancemustbemaintainedtoeasilyreadandaccessthe
controls.Alternatively,accessmaybeprovidedusingadoor
2) Thisboilermaybeinstalleddirectlyoveranon-carpetedcombustibleoor.
I. Pre-Installation
77
106324-04 - 4/18
3) Theboilermustbeinstalledonahardlevelsurface.
4) Donotinstallthisboilerinalocationwheregasolineorotherammablevaporsorliquidswillbestoredorused.Donot
installthisboilerinanareawherelargeamountsofairbornedustwillbepresent,suchasaworkshop.
5) Theboilershouldbelocatedasclosetothechimneyaspossible.
6) Donotinstallthisboilerdirectlyonasurfacethatmaygetwet.Raisetheboileronapad.
FIGURE 2: FORCESTM BOILERS - CLEARANCES TO ALL TYPES OF COMBUSTIBLE CONSTRUCTION
AND NONCOMBUSTIBLE CEILINGS, WALLS, AND DOORS.
V. Air for Combustion & Ventilation
IV. Locating the Boiler (continued)
Sufcientfreshairmustbesuppliedforcombustion,ventilationanduegasdilution.Provisionsforcombustion,ventilationand
uegasdilutionairforgasutilizationequipmentventedbynaturaldraftmustbemadeinaccordancewithlocalbuildingcodesor,
inabsenceofsuchcodes,inaccordancewith“AirforCombustionandVentilation”oftheNational Fuel Gas Code,ANSIZ223.1/
NFPA54.
8106324-04 - 4/18
VI. Venting
Ventinstallationmustbeinaccordancewithlocalbuildingcodes,orthelocalauthorityhavingjurisdiction,ortheNational Fuel
Gas Code,ANSIZ223.1/NFPA54.
1. AtypicalventinstallationisillustratedbyFigure3.Thecomponentsofventinstallationaretheventdamper(ifused),
ventconnectorandchimney.
2. Installventdamper(seeFigure4)asfollows:
a) Openventdampercartonandremoveinstallationinstructions.Readtheinstructionsthoroughlybeforeproceeding.
Verifythatventdamperissamesizeasdraftdiverteroutlet.SeeFigure1.Unpackventdampercarefully.Do not
force closed damper blade. Forcingventdamperclosedmayresultindamagedgeartrainandvoidwarranty.
b) Ventdamperisfactoryshippedhavingapproximately¾”diameterholeintheventdamperblade,whichmust be left
openforboilersequippedwithstandingpilot,andshouldbepluggedonboilerswithanintermittentpilotsystem,
usingtheplugsuppliedwiththedamper.
Mounttheventdamperontheuecollarwithoutmodicationtoeitherandsecurewithsheetmetalscrews.Make
surescrewsdonotinterferewithdamperbladeoperation.Ventdamperbladepositionindicatormustbevisibleto
users.
c) Thedamperwireharnessisshippedwiredintotheboilerjunctionbox.Plugthelooseendofthisharnessintothe
damperandsecuretheexibleconduittothedamperusingaconnectornutprovided.
d) Installventconnectorpipeandventttingsfromventdamperoutlettochimneyorgasvent.Securewithsheetmetal
screwsandsupportasrequired.
3. GasVentTermination
Gasventslocatednotlessthan8ft.(24m)fromaverticalwallorsimilarobstructionshallterminateabovetheroofin
accordancewithFigure5andTable2.
FIGURE 3: FORCESTM BOILER TYPICAL VENT SYSTEM INSTALLATION AND COMPONENTS
99
106324-04 - 4/18
FIGURE 4: VENT DAMPER INSTALLATION DETAILS
VI. Venting (continued)
Listed
cap
Listed
gas vent
H (minimum) -
Minimum height from roof
to lowest discharge opening
Roof pitch is x/12
12
x
Lowest discharge opening
FIGURE 5: TERMINATION LOCATIONS FOR GAS VENTS
WITH LISTED CAPS AT LEAST 8 FT (2.4 M)
FROM A VERTICAL WALL:
Roof Slope H(minimum)
ft m
Flat to 6/12 1.0 0.30
Over 6/12 to 7/12 1.25 0.38
Over 7/12 to 8/12 1.5 0.46
Over 8/12 to 9/12 2.0 0.61
Over 9/12 to 10/12 2.5 0.76
Over 10/12 to 11/12 3.25 0.99
Over 11/12 to 12/12 4.0 1.22
Over 12/12 to 14/12 5.0 1.52
Over 14/12 to 16/12 6.0 1.83
Over 16/12 to 18/12 7.0 2.13
Over 18/12 to 20/12 7.5 2.27
Over 20/12 to 21/12 8.0 2.44
TABLE 2: ROOF SLOPE HEIGHTS
10 106324-04 - 4/18
FIGURE 6: GAS CONNECTION TO BOILER
VII. Gas Piping
*
*StateofMassachusettsRequiresManual
Shut-offValvetobe“T”HandleType
Gaspipingtotheboilermustbesizedtodeliveradequategasfortheboilertoreatthenameplateinputatalinepressure
betweentheminimumandmaximumvaluesshownontheratingplate.Formoreinformationongaslinesizing,consultthe
utilityorChapter2oftheNational Fuel Gas Code.
Figure6showstypicalgaspipingconnectiontotheFORCESTMboiler.Asedimenttrapmustbeinstalledupstreamof
allgascontrols.Installamanualshut-offvalveoutsidethejacketandgroundjointunionasshown.
Theboileranditsgasconnectionmustbeleaktestedbeforeplacingtheboilerinoperation.Whendoingthis,theboiler
anditsindividualshut-offmustbedisconnectedfromtherestofthesystemduringanypressuretestingofthatsystemat
pressuresinexcessof1/2psi.Whenpressuretestingthegassystematpressuresof1/2psiorless,isolatetheboilerfromthe
gassupplysystembyclosingitsindividualmanualshut-offvalve.
Ce manuel convient aux modèles suivants
14
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