Burnham C Webster Data Sheet

Webster Burner Information

#2O

#2O

C SERIES

Burner Model Motor Horsepower

Boiler

Size Gas

C-20 JB1-02 JB1-02
C-30 JB1-03 JB1-03
C-40 JB1-05 JB1-05
C-50 JB1-07 JB1-07
C-60 JB2-07 JB2-10 3/4 1 115-230/60/1 L-H-O LFS L-H-O LFS RM7897A RM7897A RM7897C 1 1/2 8" w.c. 14" w.c.
C-70 JB2-10 JB2-10 1 1 230/460/60/3 L-H-O LFS L-H-O LFS RM7897A RM7897C RM7897C 2 8" w.c. 14" w.c.
C-80 JB2-15 JB2-15
C-90 JB2-30 JB2-30 3 3 230/460/60/3 Full Mod Full Mod RM7840L RM7840L RM7840L 2 1/2 12" w.c. 1 psig

C-100 JB2-30 JB2-30 3 3 230/460/60/3 Full Mod Full Mod RM7840L RM7840L RM7840L 2 1/2 15" w.c. 1 psig

C125 JB2-50 JB2-50 5 5 230/460/60/3 Full Mod Full Mod RM7840L RM7840L RM7840L 3 18" w.c. 2 psig
C-150 JB3-50 JB3-50 5 5 230/460/60/3 Full Mod Full Mod RM7840L RM7840L RM7840L 3 19" w.c. 3 psig
C-175 JB3-75 JB3-75 7.5 7.5 230/460/60/3 Full Mod Full Mod RM7840L RM7840L RM7840L 3 20" w.c. 4 psig
C-200 JB3-75 JB3-75 7.5 7.5 230/460/60/3 Full Mod Full Mod RM7840L RM7840L RM7840L 3 20" w.c. 5 psig

Gas and Gas Sequence on Combination Gas/Oil Boilers

On-Off Slow opening gas valve, fixed air damper, diaphragm gas valve.

L-H-O Slow opening gas valve, adjustable position (LFS) air damper, linked to motorized gas valve.

Oil and Oil Sequence on Combination Gas/Oil Boilers

On-Off Fixed air damper, oil valve.

On-Off LF Fixed air low fire start.

L-H-O Adjustable air damper (spring close), linked to oil pressure cylinder, oil pressure regulator and by-pass valve for LFS.

#2 Oil

Gas/#2 Oil

Gas/#2 Oil

Gas

1/4 1/4

1/3 1/3

1/2 1/2

3/4 3/4

1

1/2

il

Voltage Gas

115/60/1 On - Off On - Off RM7897A R7184A RM7897C 1 5" w.c . 14" w.c.
115/60/1 On - Off On - Off RM7897A R7184A RM7897C 1 1/4 5" w.c. 14" w.c.
115/60/1 L-H-O LFS L-H-O LFS RM7897A R7184A RM7897C 1 1/2 7" w.c. 14" w.c.
115/60/1 L-H-O LFS L-H-O LFS RM7897A RM7897A RM7897C 1 1/2 8" w.c. 14" w.c.

1-1/2 230/460/60/3 L-H-O LFS L-H-O LFS RM7897A RM7897C RM7897C 2 9" w.c. 14" w.c.

Firing Sequence

il and

Gas/#2 Oil

Standard UL Flame Safeguard Gas Train

Gas #2 Oil Gas/#2 Oil Size Min. Pres. Max. Pres.

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A

e

C SERIES

Webster Burner Equipment

Equipment Fuel Description

Control Cabinet Gas, #2 Oil, Gas/#2 Oil NEMA 1A with hinged door.

Control Voltage Transformer Gas, #2 Oil, Gas/#2 Oil Included with all but 115/60/1 burners.

Motor Starter Gas, #2 Oil, Gas/#2 Oil Contactor on all single phase motors. Magnetic starter with overload protection on 3

phase motors.

Fusing Gas, #2 Oil, Gas/#2 Oil Control circuit only.

Ignition Gas and Gas/#2 Oil Gas/Electric pilot.

#2 Oil Direct spark.

Gas, #2 Oil, Gas/#2 Oil Four [power on, fuel on, flame failure, and call for heat]

Signal Lights

Gas,#2 Oil, Gas/#2 Oil All models.

Air Flow Safety Switch

Gas Train Gas and Gas/#2 Oil

Full Mod Four [power on, fuel on, flame failure, and call for heat]

#2 Oil C-70 and larger

UL gas train for minimum inlet pressure indicated on Burner Information table.
Shipped unassembled and consisting of the following:

z Manual shut-off valve.
z Gas pressure regulator
z Manual leak test valve.

z

utomatic gas valve: Diaphragm type with On-Off sequence. Solenoid typ

all others.

z Safety gas valve: Solenoid type.
z High and Low gas pressure switches: Models C-60 and larger.

Oil Pump #2 Oil and Gas/#2 Oil Integral with burner.

Pilot Gas Controls Gas, #2 Oil, Gas/#2 Oil All models with gas/electric pilot have manual pilot shut-off valve, soft seat low gas

pressure regulator and solenoid gas valve.

Fuel Changeover Gas/#2 Oil Manual switch.

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