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17.0 – 25.0 GPH CF3500A 17.0 – 35.0 GPH Motor voltage: 208/230 — 60 Hz std. Thank you for purchasing a Beckett burner. With proper care and regular maintenance, it will provide years of trouble-free service. Please take a few minutes to read the section entitled “To...
High altitude installations — Accepted industry practice requires no derate of burner capacity up to 2,000 feet above sea level. For altitudes higher than 2,000 feet, derate burner capacity 4% for each 1000 feet above sea level. Denotes presence of a hazard which, if ignored, could result in severe personal injury, death or substantial property damage.
Instruction Manual Warranty Beckett warrants its equipment to those who have purchased it for resale, including your dealer. If you have any problems with your equipment or its installation, you should contact your dealer for assistance. Specifications Fuels #1 or #2 Fuel Oil Firing range CF2500A 17.0 - 19.9 GPH...
Clearances • With the burner installed in the appliance, there must be adequate space in front of and on the sides of the burner to allow access and operation. Verify that the clearance di- mensions comply with all local codes and with the appli- ance manufacturer's recommendations.
• Remove the rear access door from the back of the burner for improved access to the interior. • Attach the air tube to the burner with the bolts and acorn nuts provided. The acorn nuts must go on the outside of the burner, with the bolts inserted from the inside.
Instruction Manual Figure 5 – Nozzle line assembly in burner Measure dimension front (flat) face of head to end of air tube, as shown. Measure dimension Z from the flat surface between (not on) the raised fins. 3507 Figure 7 – Burner installed in appliance front Legend "...
• Size the oil supply and return lines using the guidelines given in the fuel unit literature included in the literature envelope. Oil line flow rate will equal the burner rate for one-pipe systems. For two-pipe systems, refer to for the fuel unit gearset capacity - the rate at which fuel is recirculated when connected to a two-pipe system.
• Install two high-quality shutoff valves in accessible loca- ” pump tions on the oil supply line. Locate one valve close to the tank. Locate the other valve close to the burner, upstream of the fuel filter. Burner fuel flow •...
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.
( ) and the ignition transformer ). The oil pump is operated by the burner motor, so oil pressure is delivered to the oil valve inlets. 3. Power is applied to the oil valve circuit. If optional timer, ), is installed, oil flow will be delayed for the timer duration, thus providing a prepurge period.
• This initial setting should be adequate for starting the burner at low fire. Once the burner is in operation, the air setting will be adjusted for best performance as discussed later in this manual.
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19.00 20.00 22.00 10.5 25.00 Form 6104 BCF-35-R0699 – Model CF2500/CF3500 Oil Burner 3516 Legend (Figure 12) a Damper motor – do not adjust internal cam Tube “KM”/“KR” b Arm assembly c Ball joint assembly – do not adjust position of ball 8.00...
Set high-fire air Figure 12 Figure 12 , item 1. Allow the burner to run at low fire until the appliance has , item warmed sufficiently. 2. Visually check the flame. The flame should not be dark orange or smoky. If the flame appears to be smoking, in- crease the amount of air by readjusting the damper indi- cator to a higher number.
Operation and adjustment of the burner requires technical knowledge and the use of combustion test instruments. Do not tamper with the burner or controls. Failure to comply could result in failure of the burner or system, resulting in severe personal injury, death or substantial property damage.
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