Burnham Series 3 Ohio Special Fiche De Données

Control Cabinet

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

Control Voltage Transformer

Gas, #2 Oil, Gas/#2 Oil Included.

Motor Starter

Gas, #2 Oil, Gas/#2 Oil Magnetic starters with overload protection for blower and oil pump.

Fusing

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

Ignition

Gas, #2 Oil, Gas/#2 Oil Gas/Electric pilot.

Signal Lights

Gas, #2 Oil, Gas/#2 Oil Four: power on, call for heat, fuel on, flame failure.

Air Flow Safety Switch

Gas, #2 Oil, Gas/#2 Oil Included.

Gas Train

Gas and Gas/#2 Oil

UL gas train for min/max inlet pressure indicated on Burner Information table.
Assembled, wired and mounted on unit consisting of the following:

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 Manual shut-off valve.

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 Gas pressure regulator.

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 Manual leak test valve.

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Automatic gas valve:  motorized with proof of closure.

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 Safety gas valve:  Motorized.

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 Normally open vent valve.

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  High and Low gas pressure switches.

Oil Pump

#2 Oil, Gas/#2 Oil

Separate oil pump set with motor and accessories mounted on boiler skid.

Oil Train

#2 Oil, Gas/#2 Oil

Modulating oil valve, dual oil solenoid valves, low oil pressure switch.  

Pilot Gas Controls

Gas, #2 Oil, Gas/#2 Oil Manual pilot shut-off valve, high gas pressure regulator and solenoid gas valve.

Manual Controls

Gas/#2 Oil

Gas/Oil changeover switch; Manual/Auto switch with manual potentiometer.

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