Typical Boiler Wiring:

Figure 2 – 7505A (for replacement of R8184G)

Intermittent ignition, no valve-on delay, no motor-off delay

 

BOILER CONTROL

 

 

 

L1

 

 

60

70

 

L1

T

 

80

 

W

 

 

L2

L2

T

R

 

 

50

 

 

 

 

 

60

70

 

 

B2

B1

THERMOSTAT

 

 

 

 

 

 

 

IGNITER

 

 

 

 

 

 

 

IGNITER

 

 

 

 

 

L2 (IGN)

 

 

 

 

 

MOTOR

 

 

 

 

 

L2 (MTR)

 

 

 

MOTOR

 

L1LIMIT

 

 

 

 

 

 

 

 

 

 

LIMIT

TR-TW

 

 

 

 

L2

JUMPER

 

 

 

 

VALVE

TR

 

 

 

 

L2 (VLV)

TW

 

TR-TW Terminals

CAD

LocatedTR-TW TERMINALSon

CELL

LOCATEDoppositeON OPPOSITEside of

CAD CELL

ControlSIDE OF CONTROL

(If applicable)

Figure 4 – 7505B (for replacement of R7184B)

Interrupted ignition, valve-on delay only (no motor-off delay)

BOILER CONTROL

 

 

 

60

70

 

L1

L1

T

 

80

 

W

 

 

L2

L2

T

R

 

 

50

 

 

 

 

 

60

70

 

 

B2

B1

THERMOSTAT

 

 

 

 

 

 

 

 

IGNITER

 

 

 

 

 

 

IGNITER

 

 

 

 

 

L2 (IGN)

 

 

 

 

 

MOTOR

 

 

 

 

 

L2 (MTR)

 

 

 

 

MOTOR

L1LIMIT

 

 

 

 

 

 

 

 

 

 

LIMIT

TR-TW

 

 

 

 

L2

JUMPER

OIL VALVE

 

 

VALVE

TR

 

 

L2 (VLV)

TW

 

 

 

 

CAD

TR-TW Terminals

LocatedTR-TW TERMINALSon

CELL

opposite side of

 

LOCATED ON OPPOSITE

CAD CELL

ControlSIDE OF CONTROL

(If applicable)

 

Figure 3 – 7505A (for replacement of R7184A)

Interrupted ignition, no valve-on or motor-off delay

 

BOILER CONTROL

 

 

 

L1

L1

T

60

70

 

W

80

 

L2

L2

T

50

 

 

 

 

 

R

 

 

 

 

 

60

70

 

 

B2

B1

THERMOSTAT

 

 

 

 

 

 

 

IGNITER

 

 

 

 

 

 

 

IGNITER

 

 

 

 

 

L2 (IGN)

 

 

 

 

 

MOTOR

 

 

 

 

 

L2 (MTR)

 

 

 

MOTOR

 

L1LIMIT

 

 

 

 

 

 

 

 

 

 

LIMIT

TR-TW

 

 

 

 

L2

JUMPER

 

 

 

 

VALVE

TR

 

 

 

 

L2 (VLV)

TW

 

 

 

 

 

TR-TW Terminals

 

 

 

 

CAD

LocatedTR-TW TERMINALSon

 

 

 

 

CELL

opposite side of

 

 

 

 

 

LOCATED ON OPPOSITE

 

 

CAD CELL

 

 

ControlSIDE OF CONTROL

 

 

 

 

(If applicable)

 

 

 

 

 

Figure 5 – 7505P (for replacement of R7184P)

Interrupted ignition, valve-on and motor- off delays

BOILER CONTROL

 

 

 

60

70

 

L1

L1

T

 

80

 

W

 

 

L2

L2

T

R

 

 

50

 

 

 

 

 

60

70

 

 

B2

B1

THERMOSTAT

 

 

 

 

 

 

 

 

IGNITER

 

 

 

 

 

 

IGNITER

 

 

 

 

 

L2 (IGN)

 

 

 

 

 

MOTOR

 

 

 

 

 

L2 (MTR)

 

 

 

 

MOTOR

L1

 

 

 

 

 

 

 

 

 

 

LIMIT

TR-TW

 

 

 

 

L2

JUMPER

 

OIL VALVE

 

 

VALVE

TR

 

 

 

L2 (VLV)

TW

 

 

 

 

CAD

TR-TW Terminals

LocatedTR-TW TERMINALSon

CELL

opposite side of

 

LOCATED ON OPPOSITE

CAD CELL

ControlSIDE OF CONTROL

(If applicable)

 

NOTE: To disable motor-off delay on a 7505P control, jumper L1 and limit together and wire as shown in Fig. 4.

6

Page 6
Image 6
Beckett Model 7505 manual Typical Boiler Wiring, Valve

Model 7505 specifications

The Beckett Model 7505 is a highly regarded oil burner that delivers reliable performance, efficiency, and a variety of features that make it a popular choice for both home and commercial heating applications. This burner is designed for use with a range of heating systems, including forced air and hot water boilers, making it a versatile option for many users.

One of the standout features of the Model 7505 is its compact design. Measuring just 18 inches in height, 15 inches in width, and 22 inches in depth, this burner easily fits into tight spaces, allowing for flexible installation options. The burner is equipped with a powerful 0.75 GPH nozzle, which is capable of delivering up to 140,000 BTUs per hour, making it suitable for a variety of heating needs.

The Model 7505 incorporates advanced combustion technology, designed to optimize fuel efficiency and minimize emissions. The burner features a high-efficiency combustion head that helps to ensure a complete burn of the oil, leading to lower fuel consumption and reduced greenhouse gas emissions. This commitment to efficiency not only helps the environment but also translates to savings on fuel costs for users.

Moreover, the Beckett Model 7505 comes with a unique primary control unit that enhances the burner's safety and performance. This control unit features an integral reset button, an adjustable primary air setting, and an LED indicator light that provides at-a-glance status updates on operations. These smart features simplify troubleshooting and ensure safe operation of the heating system.

In addition to its impressive performance capabilities, the Model 7505 is designed for durability. Constructed with high-quality materials, including a robust steel casing and a corrosion-resistant finish, this oil burner can withstand the rigors of regular use in various environments.

Maintenance is also made easy, thanks to the removable panels and access points that allow for quick and efficient servicing. Beckett's reputation for reliability and longevity makes the Model 7505 a wise investment for those seeking a dependable heating solution.

Overall, the Beckett Model 7505 stands out with its combination of efficiency, safety, and ease of use. Whether for heating residential properties or commercial spaces, the Model 7505 continues to be a go-to choice for many satisfied customers.