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T
231/4
ASME
RELIEF VENT DAMPER
VALVE
_I ['--
-- -- --]-._._
I rV/NPT I \\ CH"
L____
d
I__
DRAIN VALVE
LEFT SIDE
TEMR/PRESS.GAUGE
!/
,_ A _, I7," SUPP_
_ -I /
iL
ROLLOLIT GAS 1
SWITCH VALVE
FRONT
AQUASTAT
1'/4" RETURN
IN]_ PILOT CONTROL
RIGHT SIDE
®
GAS-FIRED HOT WATER BOILERS
BASICBOILER UNIT N(_ NATURALGAS
NQ OF AGA HEATING
Electronic Ignition
With
Vent Damper
229.960021
229.960031
229960041
229.960051
229.960061
229,960071
229.960081
229.960091
Continuous Pilot
With
Vent Damper
229.960121
229.960131
229.960141
229.960151
229.960161
229,960171
229.960181
229.960191
SECTIONS
2
3
4
5
6
7
8
9
INPUT
*MBH
37.5
7O
105
140
175
210
245
280
CAPACITY
"MBH
3O
57
85
113
142
170
198
226
I=B=R
RATING FLUE
*MBN DIAMETER
26 4_
50 5
74 6
98 6
123 7
148 7
172 7
197 7
DIMENSIONS
NET (Inches)
,,A-
WIDTH
8
11%
14'/2
173/4
21
2474
271/2
303_
* MBH - 1,000 Stuh Btuh - British Thermal Unit Per Hour
t For aJtitudes above 2,000 ft ratings should be reduced at the rate of 4% for each 1,000 ft above sea level
Heating Capacity is based on DOE {Debarirnent of Energy) test procedure
**Add 5½" to height for Vent Damper
:_2 Section boilers are equipped with a 3" diameter flue collar on the draft diverter, and use a furnished 3'x4" increaser
fitting to install the furnished 4" vent damper
TheRatingsmarked"NetI=B=RRatings"indicatetheamountof equivalent
directradiationeachboilerwill takecareof undernormalconditionsand
thermostaticcontrol.The Net I=B=R Ratingsshownare basedon an
allowanceof 1.15 in accordancewith the factorsshownon the I=B=R
Standardaspublishedby TheHydronicsInstitute.
Selectionof boilersizeshouldbe basedupon"Net I=B=RRating"being
equaltoor greaterthanthecalculatedheatlossof thebuilding.
The manufacturershould be consultedbefore selectinga boiler for
installationshavingunusualpipingandpickuprequirements.
Theseboilersmusl standon a non-combustiblefloor•If installedon a
combustiblefloor,useCombustibleFloorBaseNumber42135-1 or 146-
14-031 (2-6 sectionboilers)or 42135-2 or 146-14-032 (7-9 section
boilers)•
TheseGas-FiredWaterBoilersarelowpressure,sectionalcastironboilers
DesignCerritifedby CSA(CanadianStandardsAssociation)for usewith
Gas.Theyareconstructedandhydrostaticallytestedfora maximumworking
pressureof 50 psi(poundspersquareinch)in accordancewithA.SM.E.
(AmericanSocietyof MechanicalEngineers)Boilerand PressureVessel
CodeSectionIVStandardsforcastironheatingboilers.
BOILERS FOR USE AT HIGH ALTITUDES
This boileris factoryequippedfor useat altitudesof 0-2,000 feetabove
sea level. For use at altitudesabove2,000 feet abovesea level, the
inputratingsarereducedbya changein mainburnerorificesize.
Foraltitudesabove2,000feet abovesea level,inputratingsshouldbe
reducedatthe rateof 4% for each1,000feet abovesealevel.Consult
the NationalFuelGasCode(NFPA54/ANS!Z223.1-1atestedition),orthe
manufacturerfor correctorifice sizing information.Highaltitudeorifices
areavailablefromtheboilermanufacturer.
3
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