Bryan Boilers Boiler DR250 User Manual

DR SERIES FORCED DRAFT 15# & 150#  
EFFECTIVE DATE:  
REPLACES:  
12/9/03  
10/29/03  
STEAM BOILER (DR250-DR850) REVERSE CONSTRUCTION  
NOTES:  
1. ALL DIMENSIONS ARE IN  
INCHES THOSE IN PARENTHESES  
ARE CENTIMETERS.  
MINIMUM  
BURNER  
SERVICE  
C
2. LOCATION DIMENSIONS  
ARE ALL 1/2".  
D
AREA  
3. GAS TRAIN, CONTROL AND  
BURNER CONFIGURATION WILL  
VARY DEPENDING ON JOB  
36"  
(91.44)  
H
A
B
10 15/16"  
(27.77)  
SPECIFICATIONS & CONDITIONS.  
4. DIMENSIONS ARE SUBJECT  
TO CHANGE WITHOUT NOTICE.  
CONSULT FACTORY FOR  
CERTIFIED DIMENSIONS.  
33 13/16"  
(85.88)  
9"  
(22.86)  
5. ALL FLANGES ARE 150#  
UNLESS OTHERWISE NOTED,  
FLANGES TO STRADDLE  
CENTER LINE.  
MINIMUM  
TUBE  
REMOVAL  
CLEARANCE  
24"  
(60.96)  
G
15  
PLAN VIEW  
1
19  
14  
7
3
9
5
4
10  
Furnace  
Pressure  
Tap  
17  
74 9/16"  
(189.27)  
2
16  
18  
59 7/8"  
71 3/4"  
(182.24)  
(152.08)  
11  
13  
26 3/8"  
(66.99)  
12  
6
8
FRONT VIEW  
RIGHT SIDE VIEW  
REAR VIEW  
1. PROBE TYPE AUX. L.W.C.O.  
2. FORCED DRAFT BURNER  
3. RELIEF VALVE  
6. JACKET ACCESS PANELS  
7. PRESSURE GAUGE  
11. DRAIN/ BLOWDOWN - 1" NPT  
12. BURNER CENTER LINE  
13. OIL PUMP LOCATION  
14. LIFTING LUG  
16. HEIGHT OVER JACKET  
17. HEIGHT OVER SUPPLY  
8. CLNOUT./INSP. OPNG.-1 1/2"NPT  
9. ELEC. ENCLOSURE -  
18. MINIMUM SAFE WATER LEVEL  
19. PRESSURE CONTROLS  
4. ASME NAMEPLATE  
5. LWCO/PUMP CONTROL - 157  
10. CLNOUT./INSP. OPNG. - 2" NPT  
15. FEED CONNECTION 2" NPT  
BOILER MODEL  
A-LENGTH OVER JACKET  
B-FLUE LOCATION  
DR250  
33 3/4" (85.72)  
13 3/4" (34.92)  
6" (15.24)  
DR350  
DR450  
33 3/4" (85.72)  
13 3/4" (34.92)  
6" (15.24)  
DR650  
45 1/16" (114.45)  
13 3/4" (34.92)  
8" (20.32)  
DR850  
33 3/4" (85.72)  
13 3/4" (34.92)  
6" (15.24)  
45 1/16" (114.45)  
13 3/4" (34.92)  
8" (20.32)  
C-FLUE DIAMETER  
62 1/8" (157.79)  
3" (7.62)  
62 1/8" (157.79)  
62 1/8" (157.79)  
3" (7.62)  
73 1/2" (186.69)  
4" (10.16)  
73 1/2" (186.69)  
D-LENGTH OVER BASE  
3" (7.62)  
4" (10.16)  
G-SUPPLY NOZZLE SIZE  
H-BURNER EXTENSION  
CONSULT FACTORY FOR BURNER EXTENSION  
ORDER NO.:  
783 NORTH CHILI AVE  
PERU, INDIANA 46970  
ORDER REV. NO.:  
FORM NO.:  
BRYAN BOILERS  
2178  
 

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