Bryan Boilers AB120 W FDGO User Manual

Form No. 7510  
(Rev. 6/05)  
Bryan “Flexible Water Tube”  
AB Series  
Steam & Water Boilers  
900,000 to 3,000,000 BTUH  
Forced draft gas, oil or dual fuel fired  
Water Boiler  
AB120-W-FDGO  
Steam Boiler  
AB250-S150-FDG  
®
BRYAN BOILERS  
Originators of the “Flexible Water Tube” design  
Guaranteed efficiency and easy  
maintenance assure low cost operation  
All Bryan AB Series boilers offer these operating and performance features  
Guaranteed efficiency  
per HP. Needing only 24" for tube removal, and on only  
one side of the boiler, the AB Series boiler occupies very  
littlespaceintheboilerroom. Thiscanresultinconsider-  
able savings in building costs. Pressurized firing permits  
minimum sized breaching and vent.  
The breakthrough in water tube boiler design that pro-  
duced the AB Series provides operating efficiency so  
reliable, weguaranteeittobe83.5%forhotwaterboilers  
and 82% - 15 PSI / 80% - 150 PSI or better for steam.  
Multi-pass flue gas travel  
The Bryan Flexible Tube  
High velocity four-pass flue gas travel is obtained by a  
uniquebafflingsystem.Thiscontributestomaximumre  
side heat transfer and overall high boiler efficiencies.  
Bryan’s exclusive “Flexible Tube” design  
eliminates the possibility of damage  
from so-called “thermal  
shock.Tubesareeasilyre-  
movable and replaceable,  
without welding or rolling,  
eliminatinglong,expensive  
downtime should repairs  
ever be required.  
Thermal blend water return  
Bryan’s unique “thermal blend” return blends cold or  
cooler return water with warmer boiler water abridging it  
todesignoperatingtemperatures.Aninjectortubedirects  
the “mixed” water flow through the downcomer to the  
lowerheaderandheatingsurfacesatatemperatureabove  
possiblecondensingconditions.Thisreducesthepossi-  
bilityofcoldspotsand  
Water cooled furnace  
The configuration of the  
Water  
Boiler  
Steam  
Boiler  
damage from corrosive  
condensation.  
water tubes provides a  
water cooled combustion  
chamber. A high percent-  
age of the heating surface is exposed to direct radiant  
heat, increasing water velocities and heat transfer.  
Positive internal  
circulation  
Each pass of the Bryan  
Large steam drum  
water tube slopes up-  
ward.Thisconfiguration,  
The steam drum has generous water volume and steam  
release area. This design, along with effective drum  
internal functions, results in a stable water level and  
produces extremely dry steam at all load conditions.  
along with the large  
volume downcomer  
water legs, provides the  
extremely rapid natural  
Accessibility of furnace and tube area  
thermal internal circula-  
tion, promoting both high  
efficiency of heat transfer and  
uniform temperature throughout the  
boiler. Eliminating stress damage caused  
Inner panel provides easy and complete access to fur-  
nace and boiler tube area, as well as to burner head. All  
panels are heavily insulated and sealed to boiler frame.  
All access is from only one side.  
Compact design, minimum floor space  
by unequal temperature distribution is especially  
important for heating systems, particularly where inter-  
mittentorcontinuouslowtemperaturewaterreturnsmay  
be encountered.  
With our compact water tube design, the overall size  
of the unit is less than most other types of boilers, yet  
maintains a full five square feet of heating surface area  
Hot water boiler  
Bryan AB Series Boilers Standard and Optional Equipment  
Optional construction to ASME  
Power Boiler Code requirements for  
temperaturesexceeding240°Fand/or  
pressure exceeding 160 psi to maxi-  
mum of 285° F operating and 300° F  
design temperature and 250 psi.  
STANDARD EQUIPMENT FURNISHED  
OPTIONAL EQUIPMENT,  
EXTRA COST  
Water boiler  
air safety switch, control panel, all  
controls installed and wired.  
1. Manual reset high limit control  
2. Manual reset low water cutoff  
3. Auxiliary low water cutoff  
4. Combination low water cutoff  
and feeder  
Combination thermometer and alti-  
tude gauge, ASME Code rated boiler  
reliefvalve,watertemperaturecontrol  
(240°F max std.), high limit control,  
probe LWCO.  
Straight oil fired unit  
Electroniccombustionsafetycontrol,  
dualoilvalvesoilignitiontransformer,  
two-stage fuel unit, direct spark  
ignition of oil, oil nozzle assembly,  
control panel, all controls installed  
and wired.  
When ordering, please specify:  
1. Boiler size  
5. Alarm bells or horns  
Steam boiler  
6. UL, CUL, CSD-1, FM, IRI or  
other insurance approved  
control systems  
2. Supply and return tempera-  
Steam pressure gauge, steam pres-  
sure control, combination low water  
cutoff and pump control, auxiliary  
low water cutoff, high limit pressure  
control, ASME-rated safety valve,  
water glass set.  
tures required  
3. Boiler relief valve setting  
7. Indicating lights, as desired  
8. Lead-lag systems for two or  
more boilers with or without  
outdoor reset control  
Combination gas-oil unit  
4. Type of fuel: natural, LP, or  
other gas and/or No. 2 oil  
Electroniccombustionsafetycontrol,  
automaticoperatinggasvalve,safety  
gas valve, pilot solenoid valve, pilot  
ignition assembly, main manual gas  
shut-off valve, pilot cock, pilot and  
main gas pressure regulators, air  
safety switch, manual fuel selector  
switch, dual oil valves, gas pilot for  
bothfuels,two-stagefuelunit,nozzle  
assembly, control panel, all controls  
installed and wired.  
5. If gas, type, BTU content,  
specific gravity and pressure  
available  
9. Draft control system  
10. Low NOx package  
Straight gas fired unit  
6. Electric power voltage, phase  
Electronic combustion safety con-  
trol, automatic operating gas valve,  
safety gas valve, pilot solenoid valve,  
pilot ignition assembly, main manual  
gas shut-off valve, pilot cock, pilot  
and main gas pressure regulators,  
and frequency  
OPTIONAL CONSTRUCTION  
7. Optional extra equipment or  
construction  
Steam boiler  
OptionalconstructiontoASMEPower  
BoilerCoderequirementsforpressure  
exceeding150psitomaximumof300  
psi design pressure.  
8. Special approvals required  
(UL, CUL, CSD-1, FM, or IRI)  
9. Altitude  
Bryan AB Series Steam & Hot Water Boilers  
STEAM BOILER DIMENSIONS — inches (cm)  
A
B
C
D
E
F
G
H
I
J
K
L
Supply  
Boiler  
Model  
Length Width Height  
Gas Train  
Connection  
(Approx.)  
Clearance for Min. Tube Floor to  
Overall  
Length  
Return  
Conn.  
Flue  
Size  
Flue  
Nozzle  
of  
Outside Over  
Servicing  
Burner  
Removal  
Flow  
Location  
Number  
Jacket Jacket Jacket  
15 psi  
150 psi  
Clearance Nozzle  
4415/16  
381/2  
771/4  
76  
11/4  
4 FLG  
(10.16)  
3 NPT  
(7.62)  
11/2 NPT  
(3.81)  
11/2 NPT  
(3.81)  
11/2 NPT  
(3.81)  
11/2 NPT  
(3.81)  
11/2 NPT  
(3.81)  
11/2 NPT  
(3.81)  
10  
(25.4)  
12  
(30.5)  
36  
(91.4)  
24  
(60.9)  
795/8  
AB-90  
AB-120  
AB-150  
AB-200  
AB-250  
AB-300  
(114.1)  
(97.79) (196.21) (193.0)  
(3.2)  
(202.24)  
543/16  
381/2  
771/4  
853/8  
11/4  
4 FLG  
(10.16)  
3 NPT  
(7.62)  
10  
(25.4)  
12  
(30.5)  
36  
(91.4)  
24  
(60.9)  
795/8  
(137.6)  
(97.79) (196.21) (216.8)  
(3.2)  
(202.24)  
631/2  
381/2  
771/4  
943/4  
11/2  
6 FLG  
(15.24)  
3 NPT  
(7.62)  
10  
(25.4)  
12  
36  
(91.4)  
24  
(60.9)  
795/8  
(161.3)  
(97.79) (196.21) (260.7)  
(3.8)  
(30.5)  
(202.24)  
7815/16  
381/2  
771/4  
110  
2
(5.1)  
6 FLG  
(15.24)  
3 NPT  
(7.62)  
10  
(25.4)  
161/2  
36  
(91.4)  
24  
(60.9)  
795/8  
(200.5)  
(97.79) (196.21) (279.4)  
(41.9)  
(202.24)  
947/16  
381/2  
771/4  
1251/2  
2
(5.1)  
6 FLG  
(15.24)  
3 NPT  
(7.62)  
12  
(30.5)  
15  
(38.1)  
36  
(91.4)  
24  
(60.9)  
795/8  
(239.9)  
(97.79) (196.21) (318.8)  
(202.24)  
10813/16  
(276.4)  
381/2  
771/4  
14015/16  
2
(5.1)  
6 FLG  
(15.24)  
3 NPT  
(7.62)  
12  
(30.5)  
15  
(38.1)  
36  
(91.4)  
24  
(60.9)  
795/8  
(97.79) (196.21) (358.0)  
(202.24)  
WATER BOILER DIMENSIONS — inches (cm)  
A
B
C
D
E
F
G
H
I
J
K
L
Boiler  
Model  
Length  
of  
Width  
Outside  
Jacket  
Height  
Over  
Gas Train  
Connection  
(Approx.)  
Clearance for  
Servicing  
Burner  
Min. Tube Floor to  
Removal Flow  
Overall  
Length  
Supply  
Nozzle  
Return  
Nozzle  
Flue  
Size  
Flue  
Location  
Number  
Jacket  
Jacket  
Clearance Nozzle  
4415/16  
(114.1)  
343/4  
691/2  
(176.5)  
76  
(193.0)  
11/4  
3-F  
(7.6)  
3-F  
(7.6)  
10  
(25.4)  
12  
(30.5)  
36  
(91.4)  
24  
(60.9)  
747/8  
(190.2)  
AB-90  
AB-120  
AB-150  
AB-200  
AB-250  
AB-300  
(88.3)  
(3.2)  
543/16  
343/4  
691/2  
853/8  
11/4  
3-F  
(7.6)  
3-F  
(7.6)  
10  
(25.4)  
12  
(30.5)  
36  
(91.4)  
24  
747/8  
(137.6)  
(88.3)  
(176.5)  
(216.8)  
(3.2)  
(60.9)  
(190.2)  
631/2  
343/4  
691/2  
943/4  
11/2  
3-F  
(7.6)  
3-F  
(7.6)  
10  
(25.4)  
12  
36  
(91.4)  
24  
(60.9)  
747/8  
(161.3)  
(88.3)  
(176.5)  
(260.7)  
(3.8)  
(30.5)  
(190.2)  
7815/16  
343/4  
691/2  
110  
2
(5.1)  
3-F  
(7.6)  
3-F  
(7.6)  
10  
(25.4)  
161/2  
36  
(91.4)  
24  
(60.9)  
747/8  
(200.5)  
(88.3)  
(176.5)  
(279.4)  
(41.9)  
(190.2)  
947/16  
343/4  
691/2  
1251/2  
2
(5.1)  
3-F  
(7.6)  
3-F  
(7.6)  
12  
(30.5)  
15  
(38.1)  
36  
(91.4)  
24  
(60.9)  
747/8  
(239.9)  
(88.3)  
(176.5)  
(318.8)  
(190.2)  
10813/16  
(276.4)  
343/4  
(88.31)  
691/2  
(176.5)  
14015/16  
(353.0)  
2
(5.1)  
3-F  
(7.6)  
3-F  
(7.6)  
12  
(30.5)  
15  
(38.1)  
36  
(91.4)  
24  
(60.9)  
747/8  
(190.2)  
Specifications subject to change without notice. Consult factory to consult on other boiler options.  
Bryan Steam LLC Leaders Since 1916  
783 N. Chili Ave., Peru, Indiana 46970 U.S.A.  
Fax: 765-473-3074 • E-mail:b[email protected]  
Form No. 7510  
©2005 Bryan Steam LLC  
Printed in USA  
65-7097  

Audiovox Prestige P942WESP User Manual
Audiovox Rampage ACD17 User Manual
Blaupunkt Car Stereo System 400 BT User Manual
Blaupunkt Lexington C32 User Manual
Clarion VRX746VD User Manual
GE 21018 User Manual
HP (Hewlett Packard) Hewlett Packard Car Video System Q2210S User Manual
Ikelite DCR HC14 User Manual
JVC Everio Digital Camcorder GZ MG630 User Manual
JVC GR AX610U User Manual