Beckett CF 2500/ 3500 instruction manual Wire the burner, Electrical shock hazard can cause

Page 10

Instruction Manual – Model CF2500/CF3500 Oil Burner

Wire the burner

Do not by-pass any safety control. By-passing a safety control could result in severe personal injury, death or substantial property damage.

Install the burner and all wiring in accordance with the National Electrical Code and all applicable local codes or requirements.

Wire the burner in compliance with all instructions provided by the appliance manufacturer. Verify operation of all controls in accordance with the appliance manufacturer's guidelines.

See Figure 10 for a typical wiring diagram for a CF2500A

burner, with R8184 oil primary, for reference purposes only. The CF2500/CF3500A burner is available with many different wiring configurations. Refer to the wiring diagram shipped with the burner for the actual wiring applying to your burner.

When firing over 20 GPH, the CF2500 and CF3500A will be supplied with a flame safeguard control. An airflow switch and low-fire start switch may also be supplied. Consult local, state and federal codes for burner requirements above 20 GPH.

Figure 10 – CF2500A Typical wiring

H N G

 

Power supply

 

Legend

 

 

120v/60 hz

 

 

 

FD

Fused disconnect, by others

FD

 

 

 

 

 

 

 

 

 

 

 

 

 

LM

Limit controls, by others

 

 

 

 

 

 

 

O P

Operating controls, by others

 

 

 

Field wiring

 

 

 

LM

OP

 

 

 

PR

 

 

 

 

 

 

Oil primary control, R8184 typical

 

 

 

Factory wiring

 

 

 

 

 

 

 

 

CC

Flame sensor, cad cell typical

 

 

BK = black

OR = orange

WH = white

TM

Optional delay timer

 

 

 

 

BK

 

BL = blue

BR = brown/red

 

 

 

 

 

 

TR

Ignition transformer

 

PR

 

Motor M1 wiring 14 ga

All other wiring 16 ga

 

 

 

 

M1

Burner motor

 

 

 

 

 

 

 

 

 

 

 

 

 

S1

Primary oil valve

 

T

 

 

 

 

 

S2

High-fire valve

 

 

 

 

 

 

 

S3

Redundant oil valve

 

T

 

 

 

 

 

DM

Damper motor and end switch

 

 

 

 

 

 

 

 

 

 

 

H/L

Insert high/low-fire control here

 

 

 

 

TR

WH

LFHS

Low-fire hold switch

 

BL

BL (Note 1)

 

 

 

 

 

 

 

 

T–T

24-volt thermostat/limit terminals

 

 

 

 

S3

 

 

 

 

 

 

 

F-F

Cad cell flame sensor terminals

OR

OR

TM

 

S1

WH

T

 

Note 1 Indicates alternate wiring for in-

OR

 

 

 

 

 

 

 

 

DM

 

terrupted ignition controls —

connect

 

 

LFHS

H/L

 

transformer to blue primary lead. For in-

 

 

 

 

 

 

 

 

 

 

termittent duty — connect transformer to

F

 

 

 

 

 

orange primary lead only.

CC

 

 

W

 

 

 

 

 

S2

 

 

 

 

 

DM

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

R

B

M1

 

 

 

 

F

 

 

 

 

 

 

 

BR

 

 

 

WH

Electrical shock hazard - can cause

 

 

 

 

 

 

 

 

 

 

injury or death. Disconnect power before

 

 

 

 

 

 

installing or servicing. Provide ground

WH

 

 

 

 

 

wiring to the burner in accordance with

WH

 

 

 

 

 

the National Electrical Code.

 

 

 

 

 

 

3514

10

 

 

 

 

 

Form 6104 BCF-35-R0699

Image 10
Contents CF 2500/ OilBurner Low/High OperationHazard definitions To the installerPlease . . . read this page first To the ownerContents Before you beginPre-installation checklist C. Codes Verify firing rateVerify air tube Air tube capacity vs. firebox pressureMount the burner Install nozzleInstall nozzle line assembly Mount flanges on air tubeSet dimension Z Insert burnerFuel unit by-pass plug Connect fuel linesOil supply/return lines Two-pipe oil flow, one nozzle, low fire,H pump Burner fuel flowTwo-pipe oil flow, two nozzles, high fire, H pump Wire the burner Electrical shock hazard can causeSequence of operation typical Prepare the burner for start-upInitial air settings Figure DimensionAdjusting plate assembly Figure Initial head position FigureInitial air adjusting plate settings damper position 10.5Start burner and vent air from oil line Start the burnerSet high-fire air Monthly maintenance Maintenance and serviceAnnual service Set low-fire airReplacement parts Adjustable mounting plates for CF2500/CF3500A

CF 2500/ 3500 specifications

The Beckett CF 2500/3500 series represents a significant advancement in the oil burner technology, widely recognized for its high efficiency and reliability. These burners are designed for residential and light commercial applications, ensuring optimal heating performance with minimal environmental impact.

One of the standout features of the CF 2500 and 3500 models is their robust construction, which utilizes high-quality materials to enhance durability and longevity. This is particularly beneficial in demanding operational environments where the equipment may be subject to wear and tear. Both models are equipped with an advanced combustion head that promotes superior air-fuel mixing, leading to more efficient burning and lower emissions.

The combustion technology employed in these burners is centered around reliable ignition and stable flame management. The CF series features an innovative electronic control system that not only allows for precise control of the burner operation but also includes diagnostic capabilities. This ensures that maintenance can be performed efficiently, reducing downtime and service costs.

In terms of energy efficiency, the CF 2500/3500 models boast impressive ratings, making them ideal for homeowners looking to reduce energy bills while minimizing their carbon footprint. The burners can seamlessly integrate with various heating systems, providing flexibility in design and installation.

Another noteworthy characteristic is the user-friendly design, which simplifies the installation process. The compact size of the CF series allows it to fit into tight spaces while still delivering powerful performance. Moreover, the access panels for maintenance are strategically placed, enhancing technician efficiency during service calls.

Safety features are paramount in the Beckett CF series, which includes flame monitoring and flame failure response systems. These features ensure that the burner operates safely and effectively, thereby minimizing the risk of operational incidents.

In conclusion, the Beckett CF 2500 and 3500 oil burners are a blend of efficiency, ease of use, and safety. Their advanced technologies and features set a new standard in the oil burner market, making them a top choice for those seeking reliable and eco-friendly heating solutions. These units not only meet the demands of today's heating requirements but also set a path towards a more sustainable future.