Burnham Webster Low NOx Data Sheet

SERIES LN3

[3]

[1]

Low Nox Burner Information

Firing

Sequence

Gas and

Gas/#2 Oil

Standard Flame

Safeguard

Minimum Gas

Pressure

Gas Train

Maximum Gas

Pressure

Size

FGR
Line
Size

Boiler

Size

Webster 30 PPM

Burner Model

Gas and

Gas/#2 Oil

Horsepower

Blower

Motor

Oil

Pump

[2]

A/C

LN3-40 JBX-1-*-07 3/4 N/A N/A Full Mod RM7840L 8" 14" w.c. 1.5" 4"
LN3-50 JBX2-*-07 3/4 N/A N/A Full Mod RM7840L 7" 14" w.c. 1.5" 4"
LN3-60 JBX2-*-10 1 N/A N/A Full Mod RM7840L 7" 28" 1.5" 4"
LN3-70
LN3-80
LN3-90
LN3-100
LN3-125

JBX2-*-20
JBX2-*-30
JBX2-*-50
JBX2-*-50
JBX3-*-50

2 N/A N/A Full Mod RM7840L 7" 28" 2" 4"
3 N/A N/A Full Mod RM7840L 7" 28" 2" 6"
5 N/A N/A Full Mod RM7840L 8" 25" 2.5" 6"
5 N/A N/A Full Mod RM7840L 9" 28" 2.5" 6"

5 N/A N/A Full Mod RM7840L 14" 28" 3" 6"
LN3-150 JBX3-*-50 5 N/A N/A Full Mod RM7840L 18" 28" 3" 6"
LN3-175 JBX3-*-75 7.5 N/A N/A Full Mod RM7840L 18" 28" 3" 6"
LN3-200 JBX3-*-100 10 N/A N/A Full Mod RM7840L 2 psi 5 psi 3" 6"
LN3-250 HDSX5-*-75A 7.5 N/A N/A Full Mod RM7840L 2 psi 5 psi 3" 8"
LN3-300 HDSX5-*-150B 15 1/3 2 Full Mod RM7840L 2 psi 5 psi 3" 8"
LN3-350 HDSX5-*-150B 15 1/2 3 Full Mod RM7840L 2 psi 5 psi 3" 8"
LN3-400 HDSX5-*-150B 15 1/2 3 Full Mod RM7840L 2 psi 5 psi 3" 8"
LN3-500 HDSX7-*-200B 20 1/2 5 Full Mod RM7840L 2 psi 5 psi 3" 10"
LN3-600 HDSX7-*-300B 30 1/2 5 Full Mod RM7840L 5 psi 7 psi 3" 10"
LN3-700 HDSX9-*-500B 50 1/2 5 Full Mod RM7840L 115" w.c. 8 psi 3" 10"
LN3-800 HDSX9-*-500B 50 1/2 7.5 Full Mod RM7840L 77"w.c 9 psi 3" 12"
LN3-900 HDSX9-*-500C 50 1 7.5 Full Mod RM7840L 77"w.c 10 psi 3" 12"
LN3-1000 HDSX9-*-750C 60 1 7.5 Full Mod RM7840L 77"w.c 11 psi 3" 12"

Gas and Gas/#2Oil Firing Sequence

ALL MODELS: FULL MODULATION WITH PROVEN LOW FIRE START, SYNCHRONIZED FUEL/AIR CONTROL WITH MODULATING MOTOR.

NOTES:

[1]

EXPECTED EMISSIONS ARE 30 PPMVD OR LESS NOx (CORRECTED TO 3.0% O2) AND 400 PPMVD OR LESS CO (CORRECTED TO 3.0% O2) WHEN

FIRING NATURAL GAS

[2]

ALL BLOWER AND AIR COMPRESSOR MOTORS AVAILABLE 208-230-460/60/3, INDICATE JOBSITE ON ORDER. OIL PUMP MOTORS ARE 230/60/1;

CONSULT FACTORY FOR OTHER VOLTAGES

[3] Pressure atomized 40-100 HP. Pressure atomized w/recirc 125-250. Air atomized 300 hp & up.

SERIES LN3

Burner Equipment

Equipment Fuel Description

Control Cabinet Gas, Gas/#2 Oil NEMA 1A with hinged door
Control Voltage Transformer Gas, Gas/#2 Oil Included
Motor Starter Gas, Gas/#2 Oil Magnetic starter with overload protection
Fusing Gas, Gas/#2 Oil Control circuit only
Ignition Gas, Gas/#2 Oil Gas/Electric pilot
Signal Lights Gas, Gas/#2 Oil (4) - power on, fuel valve open, call for heat, flame failure
Air Flow Safety Switch Gas, Gas/#2 Oil All Models
Gas Train Gas, Gas/#2 Oil UL gas train for minimum inlet pressure indicated on Burner

Information table. Assembled, wired and mounted on unit
consisting of the following:
Manual shut off valve
Gas pressure Regulator
Manual leak test valve
40 & 50: 2 Gas Valves
150 & Larger: 2 Gas Valves
Main Gas Valve: Motorized type
Auxillary gas valve: Solenoid type
60 -125: Single Motorized Gas Valve with Proof of closure
60 & Larger: High and Low gas pressure switches

Oil Pump Gas/#2 Oil Remote oil pump set with motor and accessories mounted on

boiler skid

Oil Firing Type Gas/#2 Oil 100 - 250: Pressure Atomizing

300 and larger: Air Atomizing

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

gas pressure regulator and solenoid gas valve
Fuel Changeover Gas/#2 Oil Manual switch
Flue Gas Recirculation Gas, Gas/#2 Oil Induced flue gas recirculation, no external fan is required