(1)
Boiler
ModelNo,
EC/ECT-03-075
EC/ECT-03-100
EC/ECT-03-120
EC/ECT-04-125
EC/ECT-04-150
EC/ECT-04-175
EC/ECT-05-175
EC/ECT-05-200
EC/ECT-05-250
EC/ECT-06-275
EC/ECT-06-300
(2)
a)HeatingCapacityBTU/Hr.
b)GrossOutput
Water Steam
a 92,000 a 91,000
a 121,000 a 120,000
a 144,008 a 142,000
a 152,000 a 151,000
a 181,000 a 180,000
a 209,000 a208,000
a 214,000 a 212,000
a 241,000 a 240,000
b 286,000 b 286,000
b 321,000 b 321,000
b 347,000 b 347,000
SERIESECAND ECTRATINGS
(3)
NetI-8-RRatings
BTU/H_ Steam BTU/Hr.
Steam Sq.Ft. Water
68,000 283 80,000
90,000 375 105,000
107,000 446 125,000
113,000 471 132,000
135,000 563 157,000
156,000 650 182,000
159,000 663 186,000
180,000 750 210,000
215,000 896 249,000
241,000 1004 279,000
261,000 1083 302,000
(4)
I-B-R
Firing
RateG.P.H.
.75
1.00
1.20
1.25
1.50
1.75
1.75
2.00
2.50
2.75
3.00
Chimney
Size Height
inches Feet
8x8 20
8x8 20
8x8 20
8x8 20
8x8 20
8x8 20
8x8 20
8x8 20
8x12 20
8x12 20
8x12 20
Minimum
Draft
Required
inStack
,03"
,04"
.05"
.03"
,04 "t
,05"
,03"
.04 _r
,05"
.04 _
.05"
(1) BoilerModelNo.mayhavethe followingsuffixletters:
W-Water P-Packaged
S-Steam C-Circulator
Uq3oiler-BurnerUnit (Unassembled) T-TanklessCoil
(2a)HeatingCapacityBTU/Hr.basedon D.O.E.testingprocedureat t3.0% CO_,and -.02" watercolumndraftin firebox.
(2b)GrossOutputBTU/Hr.basedon12.5%CO=,and-.02" watercolumndraft infirebox.
(3) Net I=B=RRatingsbasedontheTestingandRatingStandardforCast IronandSteelHeatingBoilersofThe HydronicsInstituteDivisionof GAMA.
The Net I=B=RRatingsshownincludeallowancefornormalpipingandpick-upload.
Thewaterratingsare basedona pipingandpick-upaltowancefactorof 1.15,steamratingsarebasedona!lowanceof 1.333.
The PeerlessHeaterCompanyshouldbe consultedbeforeselectinga boilerforgravityhot waterinstallationsandinstallationshavingunusualpiping
andpick-uprequirementssuchasexposedpiping,nightshut-down,etc.
(4) Firing rateis basedon a fuel oil with a heatingvalueof 140,000BTUper gallon.Burnerinput basedon maximumaltitudeof 2,000ft.- for other
altitudesconsultfactory.
ADVERSEFUELCONDITIONS
Ifan adversefuelconditionsuchas cold oilexists,it maybe
necessaryto increasethepumppressureto the nozzle.Coldoilis much
hardertoatomizeat 100psicomparedto roomtemperatureoil.Tothe
rightis a chartgivingflowratesofstandardnozzlesizesat 120psiand
140psi pumppressure.
NOTE:Ifit wasnecessarytoincreasethepumppressureabovethe
standard100psi, toeliminateanyconfusionforthe nextrou-
tine servicinga tag mustbeplacedon theburnerindicating
pumppressureandnozzlesize used.
NozzleRating Approx.NozzleRatesGPH
At 100 PSI 120PSI 140 PSI
.50 .55 .59
.65 .71 .77
.75 .82 .89
.85 .93 1.00
.90 .99 1.07
1.00 1.10 1.18
1.10 1.21 1.30
1.20 1.31 1.41
1.25 1.37 1.48
1.35 1.48 1.60
1.50 1.64 1.78
1.65 1.81 1.95
1.75 1.92 2.07
2.00 2.19 2.37
2.25 2.47 2.66
2.50 2.74 2.96
2.75 3.00 3.24
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