Burnham Series 4FH-50 Webster 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 when burner voltage is greater than 120/60/1.

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 (4F-63 to 4F-450).                                                                         
Gas/Electric (4F-563 and larger). 

Signal Lights

Gas, #2 Oil, Gas/#2 Oil Power On, Fuel On, Call for Heat and Alarm

Air Flow Safety Switch

Gas

All models

#2 Oil and Gas/#2 Oil

Models 4F-675 and larger.  Exception on #2 oil models 4F-63 to 4F-450 with integral 
oil pump.

Gas Train

Gas and Gas/#2 Oil

UL gas train for minimum inlet pressure indicated on Burner Information table.
Shipped unassembled and consisting of the following:
  Manual shut-off valve.
  Gas pressure regulator.
  Manual leak test valve.
  Automatic gas valve:  Diaphragm type with On-Off sequence.  Motorized all
     others (Proof of closure on 4F-675 and larger).
  Safety gas valve:  Solenoid type.
  Metering valve:  4F-675 and larger.
  High and Low gas pressure switches:  4F-311 and larger.

Oil Pump

#2 Oil and Gas/#2 Oil

Integral with burner (4F-63 to 4F-450).                                                           
Separate oil pump set with motor and accessories mounted on boiler skid  (4F-563 
and larger).

Oil Pressure Gauge

#2 Oil and Gas/#2 Oil

All models.

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.

Fuel Changeover

Gas/#2 Oil

Manual switch.

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