Burnham Power Flame Data Sheet
SERIES 3
Power Flame Burner Information
Burner Model Motor
Gas and
Boiler Size
Gas/#2 Oil
#2 Oil Gas
3-40 C2-15 C2-OA
3-50 C2-20A C2-OB
3-60 C2-20B C2-OB
3-70 C3-20 C3-O
3-80 C3-20 C3-O
3-90 C3-25 C3-O
3-100 C3-25 C3-O
Horsepower Standard UL Flame Safeguard Gas Train
#2 Oil and
Gas/#2 Oil
1/2 3/4
3/4
3/4
1
1/2
1
1/2
1
1/2
1
1/2
1 240/60/1 L-H-O RM7897A/UV R7284P/CC RM7897C/UV
1 240/60/1 L-H-O RM7897A/UV R7284P/CC RM7897C/UV
2 208-460/60/3 L-H-O RM7897A/UV RM7897A/UV RM7897C/UV
2 208-460/60/3 L-H-O RM7897A/UV RM7897A/UV RM7897C/UV
2 208-460/60/3 L-H-O RM7897A/UV RM7897A/UV RM7897C/UV 2 6.7" w.c. 14.0" w.c.
2 208-460/60/3 L-H-O RM7897A/UV RM7897A/UV RM7897C/UV 2 7.5" w.c. 14.0" w.c.
[1]
Voltage
Firing Sequence
[2]
Gas #2 Oil Gas/#2 Oil Size Min. Pres. Max. Pres.
240/60/1 L-H-O RM7897A/UV R7284P/CC RM7897C/UV
3-125 C4-25 C4-OA 3 5 208-460/60/3 L-H-O RM7897A/UV RM7897A/UV RM7897C/UV 2 9.2" w.c. 14.0" w.c.
3-150 C4-25 C4-OA 3 5 208-460/60/3 L-H-O RM7897A/UV RM7897A/UV RM7897C/UV 2 13.0" w.c. 14.0" w.c.
3-175 C5-30 C5-O
3-200 C5-30 C5-O
3-250 C5-30B C5-OB
1/2
7
1/2
7
1/2
7
1/2
7
7
208-460/60/3 Full Mod RM7840L/UV RM7840L/UV RM7840L/UV
1/2
208-460/60/3 Full Mod RM7840L/UV RM7840L/UV RM7840L/UV
1/2
208-460/60/3 Full Mod RM7840L/UV RM7840L/UV RM7840L/UV
7
3-300 C6-30 C6-O 10 10 208-460/60/3 Full Mod RM7840L/UV RM7840L/UV RM7840L/UV 3 40.0" w.c. 10 psi
3-350 CM9A-30 CM9A-O 5 5 208-460/60/3 Full Mod RM7840L/UV RM7840L/UV RM7840L/UV 3 44.0" w.c. 10 psi
3-400 CM9B-30 CM9B-O
3-500 CM9B-30 CM9B-O
1/2
7
1/2
7
1/2
7
208-460/60/3 Full Mod RM7840L/UV RM7840L/UV RM7840L/UV 3 40.0" w.c. 10 psi
1/2
208-460/60/3 Full Mod RM7840L/UV RM7840L/UV RM7840L/UV 3 63.0" w.c. 10 psi
7
3-600 CM10A-30 CM10A-O 15 15 208-460/60/3 Full Mod RM7840L/UV RM7840L/UV RM7840L/UV 3 94.0" w.c. 10 psi
3-700 CM10B-30 CM10B-O 15 15 208-460/60/3 Full Mod RM7840L/UV RM7840L/UV RM7840L/UV 3 115.0" w.c. 10 psi
3-800 CM10C-30 CM10C-O 20 20 208-460/60/3 Full Mod RM7840L/UV RM7840L/UV RM7840L/UV 3 / 4 120.0" w.c. 10 psi
3-900 CM11-30 CM11-O 25 25 208-460/60/4 Full Mod RM7840L/UV RM7840L/UV RM7840L/UV 3HF 70.0" w.c. 10 psi
3-1000 CM11-30 CM11-O 25 25 208-460/60/4 Full Mod RM7840L/UV RM7840L/UV RM7840L/UV 3HF 77.0" w.c. 10 psi
[1] Motor voltage on gas model 3-40 is supplied with 120/60/1.
[2] Explanation of Firing Sequences:
1
[3] [4]
1
1/4
1/2
2 / 1
2 / 1
2 / 1
2 / 2
2
2
/ 1
/ 1
1/2
1/2
6.7" w.c. 14.0" w.c.
1/4
5.6" w.c. 14.0" w.c.
1/2
5.0" w.c. 14.0" w.c.
1/2
6.2" w.c. 14.0" w.c.
1/2
7.7" w.c. 14.0" w.c.
1/2
14.1" w.c. 28.0" w.c.
14.2" w.c. 28.0" w.c.
18.2" w.c. 28.0" w.c.
Gas and Gas Sequence on Combination Gas/Oil Boilers
L-H-O 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 with modulating motor.
Oil and Oil Sequence on Combination Gas/Oil Boilers
L-H-O Low fire start (not proven), high fire run, oil cylinder air control (reduced input start) with by-passing type nozzle, oil valve and oil pressure regulating valve.
Full Mod Full modulation with proven low fire start, synchronized fuel/air control with modulating motor, oil by-passing type nozzle, oil metering valve, oil pressure regulating
valve.
[3] Models 3-40, 3-50 and 3-60 - Dual size gas trains: Leak test cock and main gas valve are indicated by the first number; combination gas valve/regulator and main shutoff cock
are indicated by the second number.
[4] Models 3-70, 3-80, 3-175 and 3-800 - Dual size gas trains: Leak test cock, main gas valve and auxiliary gas valve are indicated by the first number; gas regulator and main
shutoff cock are indicated by the second number.
[5] #2 Oil: Models 40 - 500 boiler hp are pressure atomizing and Models 500 - 1000 boiler hp are air atomizing.
4/17/06
A
SERIES 3
Power Flame 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 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 Gas/Electric pilot.
#2 Oil Direct spark (3-40 to 3-150).
Gas/Electric pilot (3-175 to 3-300).
Signal Lights Gas, #2 Oil, Gas/#2 Oil Two [power on and fuel on].
Air Flow Safety Switch Gas All models.
#2 Oil On models 3-175 to 3-300.
Gas/#2 Oil All models, functions with both fuels.
Gas Train Gas and 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:
z Manual shut-off valve.
z Gas pressure regulator.
z Manual leak test valve.
utomatic gas valve: Combination gas valve and regulator (3-40 to 3-60).
z
Motorized all others (Proof of closure on 3-125 to 3-300).
z Safety gas valve:
diaphragm type).
z High and Low gas pressure switches:
Solenoid type on all (except 3-40 to 3- 60 which have
Models 3-30 to 3-300.
Oil Pump #2 Oil and Gas/#2 Oil Two stage, integral with burner (3-40 to 3-150).
Separate oil pump set with motor and accessories mounted on boiler skid (3-175 to
3-300).
Pilot Gas Controls Gas, #2 Oil, Gas/#2 Oil All models with gas/electric pilot have manual pilot shut-off valve, high gas pressure
regulator and solenoid gas valve (3-125 to 3-300 on Gas/#2 Oil models).
Fuel Changeover Gas/#2 Oil Manual switch.
5/02
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