Bryan Boilers VCR K 350 S150 GI User Manual

Form No. 4950  
(1/03)  
Bryan “Flexible Water Tube”  
K Series  
Steam & Water Boilers  
3,500,000 to 6,500,000 BTUH  
Atmospheric gas fired  
Steam Boiler  
K-350-S150-GI  
Water Boiler  
K500-W-GI  
Originators of the “Flexible Water Tube” design  
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Design and construction features  
that assure reliable performance  
A. Heavysteelboilerframe,builtandstampedinaccordancewiththeASMEboilercode.  
Hot water boilers constructed as standard for operating pressures to 160 psi. Also  
availableforhigheroperatingpressures.Steamboilersconstructedasstandardfor  
operating pressures of 15 psi or 150  
psi. Also available for higher operat-  
ing pressures. Large steam release  
area for dry steam.  
G
B. Waterlegdowncomerstoinsurerapid  
internal circulation and temperature  
equalization.  
B
C. Bryan flexible water tubes, easily re-  
placeable, requiring no welding or  
rolling.Tubesinstalledfromoneside.  
A
H
C
D. Boilertubeaccesspanelboltedtightly  
and sealed to boiler frame. Con-  
structed of 2" insul-wool high tem-  
peratureinsulationinsteelframework.  
Tubesinstalledfromonesideforeasy  
accessibleserviceandinspection.  
D
E
F
E. Boilerjacket,heavygaugezinccoated,  
with attractive enamel finish. Boiler  
jacketinsulatedwith1½"fiberglassto  
insurecooljacket.  
F. Atmospheric gas burner controls — alloy steel  
atmosphericburner.Quietelectricignitionandoperation.  
Nomovingpartsorcomplicatedadjustments.  
G. All controls, gauges, relief valve(s) are factory installed and wired and easily  
accessible for servicing.  
H. Control panel: all controls installed and connected to terminal strip.  
Bryan K Series Boilers Standard and Optional Equipment  
pilotandmaingaspressureregulators,  
barometricdraftcontroller,allcontrols  
installed and wired standard voltage  
120/1/60.  
STANDARD EQUIPMENT  
FURNISHED  
9. Lead-lag systems for two or  
moreboilerswithorwithout  
outdoorresetcontrol  
Whenordering,pleasespecify:  
1. Boilersize  
WaterBoiler  
10. Heatexchangercoilsfor  
domesticwater  
Combinationthermometerandaltitude  
gauge, ASMECoderatedboilerrelief  
valve,watertemperaturecontrol(240°F  
max std.), high limit control, probe  
LWCO.  
2. Supplyandreturn  
temperaturesrequired  
OPTIONAL EQUIPMENT,  
EXTRACOST:  
3. Boilerreliefvalvesetting  
4. Type of fuel: natural or LP  
OPTIONAL  
CONSTRUCTION:  
Steam boiler  
Optional construction to ASME  
Power Boiler Code requirements for  
pressure exceeding 150 psi to maxi-  
mum of 300 psi design pressure.  
1. Manual reset high limit control  
2. Manual reset low water cutoff  
3. Auxiliary low water cutoff (water)  
SteamBoiler  
5. If gas, type, BTU content,  
specificgravityand  
Combinationlowwatercutoffandpump  
control, auxiliary low water cutoff with  
manual reset, high limit pressure con-  
trol, ASME-rated safety valve, water  
glass set.  
pressureavailable  
4. Combinationlowwatercutoff  
andfeeder  
6. Optionalextraequipment  
orconstruction  
5. Alarm bells or horns  
Hot water boiler  
7. Specialapprovalsrequired  
(UL, CSD-1, FM, or IRI)  
6. UL, CSD-1, FM, IRI or other  
insuranceapprovedcontrol  
systems  
Optional construction to ASME  
Power Boiler Code requirements  
for temperatures exceeding 240°  
F and/or pressure exceeding 160  
psi to maximum of 285° F operat-  
ing and 300° F design tempera-  
ture and 250 psi.  
Atmosphericequipment  
8. Altitude  
Electroniccombustionsafetycontrol,  
automaticoperatinggasvalve,safety  
gasvalve,pilotsolenoidvalve,electric  
ignition assembly, main manual gas  
shut-off valve, pilot shut-off valve,  
7. Low fire start, Hi-Lo or  
modulationfirecontrol  
8. Indicatinglights, asdesired  
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Bryan K Series Steam & Hot Water Boilers  
STEAM BOILER DIMENSIONS—inches (cm)  
A
B
C
D
E*  
F
G
H
I
J
K
L
BOILER  
MODEL  
Length  
Over  
Width Min. Tube  
Outside Removal  
Height  
Over  
Height Floor to  
Supply Nozzle  
Flue  
Flue  
Size  
Overall Gas Train  
Length Connection  
Feed  
Over  
Flow  
Location  
Connect.  
15#  
150#  
Jacket  
Jacket Clearance Barometric Jacket  
Nozzle  
1071/4  
(272.42)  
541/8  
(137.48)  
20  
1231/4  
21/2 NPT  
(6.35)  
6FLG  
(15.24)  
4 FLG  
(10.16)  
2 NPT  
54  
32  
(81.28)  
1063/4  
833/4  
881/4  
K-350-S  
K-400-S  
K-450-S  
K-500-S  
K-550-S  
K-600-S  
K-650-S  
(50.80) (313.06)  
(5.08) (137.16)  
(271.15)  
(212.71) (224.16)  
117  
59  
24  
133  
21/2 NPT  
(6.35)  
8 FLG  
(20.32)  
6 FLG  
(15.24)  
2 NPT  
(5.08) (137.16)  
2 NPT 54  
(5.08) (137.16)  
2 NPT 54  
(5.08) (137.16)  
2 NPT 54  
(5.08) (137.16)  
2 NPT 54  
(5.08) (137.16)  
2 NPT 54  
(5.08) (137.16)  
54  
32  
1103/4  
833/4  
881/4  
(297.13)  
(149.86)  
(60.96) (337.82)  
(81.28)  
(281.31)  
(212.71) (224.16)  
1293/4  
653/8  
24  
1453/4  
2 NPT  
(5.08)  
8 FLG  
(20.34)  
6 FLG  
(15.24)  
32  
(81.28)  
32  
(81.28)  
32  
(81.28)  
32  
(81.28)  
1103/4  
833/4  
881/4  
(329.57)  
(166.05)  
(60.96) (370.21)  
(281.31)  
(212.71) (224.16)  
1421/2  
713/4  
24  
1581/2  
2 NPT  
(5.08)  
8 FLG  
(20.32)  
6 FLG  
(15.24)  
1103/4  
833/4  
881/4  
(361.95)  
(182.25)  
(60.96) (402.59)  
(281.31)  
(212.71) (224.16)  
1551/2  
781/4  
24  
1711/2  
21/2 NPT  
(6.35)  
10 FLG  
(25.40)  
6 FLG  
(15.24)  
1103/4  
833/4  
881/4  
(394.97)  
(198.76)  
(60.96) (435.61)  
(281.31)  
(212.71) (224.16)  
165  
(419.10)  
178  
(452.12)  
83  
24  
181  
21/2 NPT  
(6.35)  
10 FLG  
(25.40)  
6 FLG  
(15.24)  
1103/4  
833/4  
881/4  
(210.82)  
(60.96) (459.74)  
(281.31)  
(212.71) (224.16)  
891/2  
24  
194  
21/2 NPT  
(6.35)  
10 FLG  
(25.40)  
6 FLG  
(15.24)  
32  
(81.28)  
1103/4  
833/4  
881/4  
(277.33)  
(60.96) (492.76)  
(281.31)  
(212.71) (224.16)  
WATER BOILER DIMENSIONS—inches (cm)  
A
B
C
D
E*  
F
G
H
I
J
K
L
BOILER  
MODEL  
Length  
Over  
Width  
Outside  
Jacket  
Min. Tube  
Removal  
Height  
Height  
Over  
Floor to  
Flow  
Flue  
Flue  
Overall Gas Train Supply  
Length Connection Nozzle  
Return  
Nozzle  
Over  
Location  
Size  
Jacket  
Clearance  
Barometric  
Jacket  
Nozzle  
1071/4  
(272.42)  
541/8  
(137.48)  
24  
(60.96)  
24  
(60.96)  
26  
(66.04)  
28  
(71.12)  
30  
(76.20)  
30  
(76.20)  
30  
(76.20)  
1231/4  
21/2 NPT  
(6.35)  
4 FLG  
4 FLG  
(10.16)  
6 FLG  
(15.24)  
6 FLG  
(15.24)  
6 FLG  
(15.24)  
6 FLG  
(15.24)  
6 FLG  
(15.24)  
6 FLG  
(15.24)  
481/4  
32  
(81.28)  
32  
(81.28)  
32  
(81.28)  
32  
(81.28)  
32  
(81.28)  
32  
(81.28)  
32  
(81.28)  
971/2  
701/2  
731/2  
K-350-W  
K-400-W  
K-450-W  
K-500-W  
K-550-W  
K-600-W  
K-650-W  
(313.06)  
(10.16)  
(122.56)  
(247.65)  
(179.07)  
(186.89)  
117  
59  
133  
21/2 NPT  
(6.35)  
6 FLG  
(15.24)  
6 FLG  
(15.24)  
6 FLG  
(15.24)  
6 FLG  
(15.24)  
481/4  
971/2  
701/2  
731/2  
(297.13)  
(149.86)  
(337.82)  
(122.56)  
(247.65)  
(179.07)  
(186.89)  
1293/4  
653/8  
1453/4  
2 NPT  
(5.08)  
481/4  
991/2  
701/2  
731/2  
(329.57)  
(166.05)  
(370.21)  
(122.56)  
(252.73)  
(179.07)  
(186.89)  
1421/2  
713/4  
1581/2  
2 NPT  
(5.08)  
481/4  
1011/2  
701/2  
731/2  
(361.95)  
(182.25)  
(402.59)  
(122.56)  
(257.81)  
(179.07)  
(186.89)  
1551/2  
781/4  
1711/2  
21/2 NPT  
(6.35)  
481/4  
1031/2  
701/2  
731/2  
(394.97)  
(198.76)  
(435.61)  
(122.56)  
(262.89)  
(179.07)  
(186.89)  
165  
(419.10)  
178  
(452.12)  
83  
181  
(459.74)  
21/2 NPT  
(6.35)  
6 FLG  
(15.24)  
481/4  
1031/2  
701/2  
731/2  
(210.82)  
(122.56)  
(262.89)  
(179.07)  
(186.89)  
891/2  
194  
(492.76)  
21/2 NPT  
(6.35)  
6 FLG  
(15.24)  
481/4  
1031/2  
701/2  
731/2  
(277.33)  
(122.56)  
(262.89)  
(179.07)  
(186.89)  
NOTE: * Gas train and control location dimensinos will vary depending on job specifications and conditions.  
Dimensions and specifications are subject to change without notice. Consult factory for certified dimensions.  
Bryan Steam LLC Leaders Since 1916  
783 N. Chili Ave., Peru, Indiana 46970 U.S.A.  
Phone:765-473-6651 • Internet:www.bryanboilers.com  
Fax: 765-473-3074  
Form No. 4950  
©2002 Bryan Steam LLC  
Printed in USA  
13-4428  
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