Beckett CF3500 User Manual

BECKETT

CF3500

COMMERCIAL OIL BURNER

Overall Dimensions

22.5

28.0 Min.

39.0 Max.

Specifi cations

Fuels

Firing Range

Motor

U.S. #1 or #2 heating oil only (ASTM D396)
Canada #1 stove oil or #2 furnace oil only

DO NOT USE

GASOLINE,
CRANKCASE OIL, OR ANY OIL
CONTAINING GASOLINE.

17.0 to 35.0 gph

2 HP 3450 rpm
208/230/60 Hz Standard

13.4 amps @ 230 VAC

7.88

8.00

12.7

Typical Burner Sequence of Operation - 7505

9

4

Pump
Prime

Lockout

2

Valve-on

Delay

1

3

5

Standby

Trial for
Ignition

Ignition

Carryover

8

Motor-off

Delay

6

Run

7

Recycle

5.3

14.7

Optional Voltages:

208, 230, 480, 575 VAC/3-PH,
50 or 60 Hz

Ignition Trans.

Housing

Fuel Unit

Oil Nozzle

Continuous Duty, 120V/12,000V

Cast aluminum

100 to 300 psig

45o to 70o Solid

Features

S - Standard O - Optional N/A - Not Available

On/Off N/A

Linkageless Low/High/Low or Low/High/Off S

Air Proving Switch S

Direct Spark Ignition of Main Flame S

Flame Safeguard with UV Sensor or Light Sensor O

Customized Electrical Cabinet O

UL/CUL - CSD1 - XL GAPS

FM O

IRI (old standard) O

www.beckettcorp.com

1

Two-pipe Oil Flow

200 - 300

PSIG

200 - 300

PSIG

S

R.W. Beckett Corporation ● Elyria, Ohio

Typical Wiring (Honeywell RM7897A control)

Combustion Chamber Dimensions

Firing Rate

(gph)

17 10.5” 48.0”

22 11.5” 58.0”

27 12.5” 66.0”

32 12.5” 73.0”

35 13.0” 77.0”

Minimum Dimensions

AL

L

A

2305