Data Sheet

ManualsBrandsBurnham ManualsBoilersBurnham Series 3 Webster

Webster Burner Information

Boiler Burner Motor Firing Standard UL Flame Safeguard Gas Train

Size Model HP Voltage

Sequence

[1]

Gas #2 Oil Gas/#2 Oil

Size

[2]

Min. Pres. Max. Pres.

3-40 JB1-05

1/2

120/60/1 L-H-O LFS RM7897A/UV R7184A/UV RM7897C/UV 1

1/2

5" w.c. 28" w.c.

3-50 JB1-07

3/4

120/60/1 L-H-O LFS RM7897A/UV R7184A/UV RM7897C/UV 1

1/2

8" w.c. 28" w.c.

3-60 JB2-07

3/4

120/60/1 L-H-O LFS RM7897A/UV RM7897C/UV RM7897C/UV 1

1/2

9" w.c. 28" w.c.

3-70 JB2-10 1 240/60/1 L-H-O LFS RM7897C/UV RM7897C/UV RM7897C/UV 2 6" w.c. 28" w.c.

3-80 JB2-15 1½ 240/60/1 L-H-O LFS RM7897C/UV RM7897C/UV RM7897C/UV 2 8" w.c. 28" w.c.

3-90 JB2-15 1½ 230/460/3 L-H-O LFS RM7897C/UV RM7897C/UV RM7897C/UV 2 10" w.c. 28" w.c.

3-100 JB2-30 3 230/460/3 L-H-O LFS RM7897C/UV RM7897C/UV RM7897C/UV 2

1/2

9" w.c. 28" w.c.

3-125 JB2-50 5 230/460/3 Full Mod RM7840L/UV RM7840L/UV RM7840L/UV 2

1/2

15" w.c. 28" w.c.

3-150 JB3-50 5 230/460/3 Full Mod RM7840L/UV RM7840L/UV RM7840L/UV 3 9" w.c. 28" w.c.

3-175 JB3-75 7½ 230/460/3 Full Mod RM7840L/UV RM7840L/UV RM7840L/UV 3 13" w.c. 28" w.c.

3-200 JB3-75 7½ 230/460/3 Full Mod RM7840L/UV RM7840L/UV RM7840L/UV 3 16" w.c. 28" w.c.

3-250 JB3-100 10 230/460/3 Full Mod RM7840L/UV RM7840L/UV RM7840L/UV 3 25" w.c. 28" w.c.

3-300 HDRV5-75 7½ 230/460/3 Full Mod RM7840L/UV RM7840L/UV RM7840L/UV 3 1.3 psig 10 psig

3-300 HDS5-50A 5 230/460/3 Full Mod RM7840L/UV RM7840L/UV RM7840L/UV 3 30"w.c. 10 psig

3-350 HDRV5-75 7½ 230/460/3 Full Mod RM7840L/UV RM7840L/UV RM7840L/UV 3 1.7 psig 10 psig

3-350 HDS5-75A 7½ 230/460/3 Full Mod RM7840L/UV RM7840L/UV RM7840L/UV 3 1.75 psig 10 psig

3-400 HDRV5-100 10 230/460/3 Full Mod RM7840L/UV RM7840L/UV RM7840L/UV 2

1/2

2.2 psig 10 psig

3-400 HDS5-100B 10 230/460/3 Full Mod RM7840L/UV RM7840L/UV RM7840L/UV 2

1/2

2 psig 10 psig

3-500 HDRV7-150 15 230/460/3 Full Mod RM7840L/UV RM7840L/UV RM7840L/UV 2

1/2

3.4 psig 10 psig

3-500 HDS5-100B 10 230/460/3 Full Mod RM7840L/UV RM7840L/UV RM7840L/UV 2

1/2

2 psig 10 psig

3-600 HDRV7-200 20 230/460/3 Full Mod RM7840L/UV RM7840L/UV RM7840L/UV 3 2.3 psig 10 psig

3-600 HDS7-200B 20 230/460/3 Full Mod RM7840L/UV RM7840L/UV RM7840L/UV 3 3.25 psig 10 psig

3-700 HDS7-250B 20 230/460/3 Full Mod RM7840L/UV RM7840L/UV RM7840L/UV 3 3.0 psig 10 psig

3-800 HDS7-300B 30 230/460/3 Full Mod RM7840L/UV RM7840L/UV RM7840L/UV 3 4.0 psig 10 psig

3-900 HDS9-400C 40 230/460/3 Full Mod RM7840L/UV RM7840L/UV RM7840L/UV 3 4.8 psig 10 psig

3-1000 HDS9-600C 60 230/460/3 Full Mod RM7840L/UV RM7840L/UV RM7840L/UV 3 6.0 psig 10 psig

[1] Explanation of Firing Sequences:

Gas and Gas Sequence on Combination Gas/Oil Boilers

L-H-O LFS Low fire start (not proven), high fire run, air control by linkage to motorized gas valve.

Full Mod Full modulation with proven low fire start, synchronized fuel/air control by modulating motor.

Oil and Oil Sequence on Combination Gas/Oil Boilers

On-Off LFS Low fire start (not proven), high fire, oil cylinder air control. Reduced input start with by-pass.

Full Mod Full modulation with proven low fire start, synchronized fuel/air control by modulating motor. With oil metering

valve and oil pressure regulating valve.

[2] Gas trains for 400 hp and larger boilers are Siemens. 9/25/2012

SERIES 3

Summary of content (2 pages)

PAGE 1
SERIES 3 Webster Burner Information Boiler Size 3-40 3-50 3-60 3-70 3-80 3-90 3-100 3-125 3-150 3-175 3-200 3-250 3-300 3-300 3-350 3-350 3-400 3-400 3-500 3-500 3-600 3-600 3-700 3-800 3-900 3-1000 Burner Model JB1-05 JB1-07 JB2-07 JB2-10 JB2-15 JB2-15 JB2-30 JB2-50 JB3-50 JB3-75 JB3-75 JB3-100 HDRV5-75 HDS5-50A HDRV5-75 HDS5-75A HDRV5-100 HDS5-100B HDRV7-150 HDS5-100B HDRV7-200 HDS7-200B HDS7-250B HDS7-300B HDS9-400C HDS9-600C HP 1/2 3/4 3/4 1 1½ 1½ 3 5 5 7½ 7½ 10 7½ 5 7½ 7½ 10 10 15 10 20 20 20 30 40
PAGE 2
SERIES 3 Webster Burner Equipment Equipment Control Cabinet Fuel Description Gas, #2 Oil, Gas/#2 Oil NEMA 1A with hinged door; Remote shipped loose on models 3-300 to 3-800. Control Voltage Transformer Gas, #2 Oil, Gas/#2 Oil Optional. Motor Starter Gas, #2 Oil, Gas/#2 Oil Contactor with single phase motor, magnetic starter with overload protection with 3-phase motor. Fusing Gas, #2 Oil, Gas/#2 Oil Control circuit only. Ignition Gas and Gas/#2 Oil #2 Oil Signal Lights Gas/Electric pilot.