Data Sheet

Webster 30 PPM
[1]
Low Nox Burner Information
Firing
Burner Model Sequence
Boiler Size Gas and Gas/#2 Oil Blower Oil Pump A/C
Gas and
Gas/#2 Oil
Standard Flame
Safeguard
Minimum Gas
Pressure
Maximum
Gas Pressure
Size
FGR
Line
Size
LN4S-100
JBX2-*-50
5 NA N/A Full Mod RM7840L/UV 1 psi 1 psi 2.5 6"
LN4S-125
JBX3-*-50
5 NA N/A Full Mod RM7840L/UV 1 psi 1 psi 2.5 6"
LN4S-150
JBX3-*-75 7.5 NA N/A Full Mod RM7840L/UV 1 psi 1 psi 3" 6"
LN4S-175 JBX3-*-75 7.5 NA N/A Full Mod RM7840L/UV 1 psi 1 psi 3" 6"
LN4S-200 JBX3-*-100 10 NA N/A Full Mod RM7840L/UV 2 psi 5 psi 3" 6"
LN4S-250
HDSX5-*-75A 7.5 NA N/A Full Mod RM7840L/UV 2 psi 5 psi 3" 8"
LN4S-300
HDSX7-*-150A 15 1/3 2 Full Mod RM7840L/UV 3 psi 7 psi 3" 8"
LN4S-350
HDSX7-*-200A 20 1/2 3 Full Mod RM7840L/UV 3 psi 7 psi 3" 8"
LN4S-400 HDSX7-*-200B 20 1/2 3 Full Mod RM7840L/UV 3 psi 7 psi 3" 8"
LN4S-500 HDSX7-*-300B 30 1/2 5 Full Mod RM7840L/UV 3 psi 7 psi 3" 10"
LN4S-600
HDSX9-*-400B 40 1/2 5 Full Mod RM7840L/UV 4 psi 7 psi 3" 10"
LN4S-700 HDSX9-*-500B 50 1/2 5 Full Mod RM7840L/UV 5 psi 7 psi 3" 10"
LN4S-800 HDSX9-*-600B 60 1/2 7.5 Full Mod RM7840L/UV 5 psi 7 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% O
2
) 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
15-Mar
Motor
Horsepower
[2]
Gas Train
SERIES LN4S