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Beckett CF2500 manual

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Table of contents for the manual

  • Page 1

    COMMERCIAL PRODUCT S Potential for Fire, Smoke and Asphyxiation Hazards T o the Homeowner or Equipment Owner: Please read and carefully follow all instructions provided in this manual regarding your responsibilities in caring for your heating equipment. Contact a professional, quali fi ed service agency for installation, start-up or service work. [...]

  • Page 2

    2 Agency Approvals UL listed to comply with ANSI/UL296 and certi fi ed to CSA B140.0. Accepted by N.Y .C. M.E.A. Other approvals may be available and must be speci fi ed at time of order . ○ ○ ○ T o the Owner: Thank you for purchasing a Beckett burner for use with your heating appliance. Please pay attention to the Safety W arnings containe[...]

  • Page 3

    3 CF2500/CF3500 Burner Manual Hazard De fi nitions Owner ’ s Responsibility: Service Agency Responsibility: Section: General Information Indicates a hazardous situation which, if not avoided, will result in death or serious injury . Used with the safety alert symbol, indicates a hazardous situation, which, if not avoided, may result in minor or [...]

  • Page 4

    4 Pr e-installa tion Checklist Combustion Air Supply Fuel Supply Figure 1 – T ypical Nameplate The burner requires combustion air and ventilation air for reliable operation. Assure that the building and/or combustion air openings comply with National Fire Protection Standard for Oil-Burning Equipment, NFP A 31. For appliance/burner units in con ?[...]

  • Page 5

    5 CF2500/CF3500 Burner Manual The fuel unit nozzle port pressure is factory set at 300 psig. Some original equipment manufacturer burner applications may call for a lower pressure to obtain a required fi ring rate. Do not change this pressure unless directed to do so by the appliance manufacturer . Electrical Supply V erify that the power connecti[...]

  • Page 6

    6 Air T ube Combination Codes Model T ube Dimension T Dimension D Code Dimension E CF2500A/ CF2500 KP 6-3/4” 6-1/2” CF 66 KP 3-1/4” 10-1/4” 6-1/2” CF 102 KP 3-1/4” 13-3/4” 6-1/2” CF 136 KP 3-1/4” 17-3/4” 6-1/2” CF 176 KP 3-1/4” CF3500 KM 8” 8” CF 80 KM 4-1/2” 9-1/4” 8” CF 92 KM 4-1/2” 1 1-1/2” 8” CF 1 14 KM 4[...]

  • Page 7

    7 CF2500/CF3500 Burner Manual T able 2 - Air T ube Capacity V ersus Firebox Pressure Maximum Firing Rate GPH Model T ube Firebox Pressure (In W .C.) No Reserve Air 10% T urndown (GPH) CF2500 & CF2500A KP 0.0 25.0 22.5 0.2 24.8 22.3 0.4 24.6 22.3 0.6 24.5 22.1 0.8 24.3 21.9 1.0 24.1 21.7 CF3500A KM/ KR 0.0 35.0 31.5 0.2 33.5 30.2 0.4 32.0 28.8 0[...]

  • Page 8

    8 Mount Air T ube to Burner 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. Install Nozzle See Figure 5 . Install the oil nozzle in the[...]

  • Page 9

    9 CF2500/CF3500 Burner Manual Set Dimension Z Replace the rear access door on the burner , making sure that the adjusting plate assembly is now securely in the groove. Loosen acorn nut (item d ) in Figure 6 . Slide the nozzle line and plate assembly until dimension Z in Figure 6 is: CF2500A/CF2500 = 1-3/4 ±1/16” CF3500A (tube KM) = 2-5/8” ±1/[...]

  • Page 10

    10 Connect Fuel Lines Fuel Unit By-pass Plug Oil Supply/Return Lines Install the oil tank and oil lines in accordance with all applicable codes. Size the oil supply and return lines using the guidelines given in the fuel unit literature included in the literature envelope. Oil line fl ow rate will equal the burner rate for one-pipe systems. For tw[...]

  • Page 11

    11 CF2500/CF3500 Burner Manual Figure 9 – One-pipe Oil Flow Figure 10 – T wo-pipe Oil Flow Legend ( Figures 9 & 10 ) a Return port b Pump outlet c Solenoid valve d Nozzle g Pump inlet k By-pass loop p Bleed port Nozzle Pressure – The fuel unit nozzle port pressure is factory set at 300 psig. Some original equipment manufacturer burner app[...]

  • Page 12

    12 W ir e the Bur ner 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 . V erify operation of all controls in accordance with the appliance manufacturer ’s guidelines. See Figu[...]

  • Page 13

    13 CF2500/CF3500 Burner Manual 1 3 6 4 7 Standby 9 Pump Prime V alve-on Delay T rial for Ignition Lockout Ignition Carryover Relight Run Motor-Off Delay 5 2 8 Figure 12 - GeniSys 7505 Control with Optional Components T able 5 - 7505 Status Light Explanation Table Light Color On Continuously Flashing Red Restricted (Hard) Lockout Soft Lockout Green [...]

  • Page 14

    14 Figure 13 –T ypical Wiring (7505P) Section: Wire the Burner[...]

  • Page 15

    15 CF2500/CF3500 Burner Manual T ypical Burner Sequence of Operation - RM7897A Control When fi ring over 20 GPH the CF2500 and CF3500A will be supplied with a fl ame safeguard control. An air fl ow switch and low- fi re start relay will also be supplied. Consult local, state, and federal codes for burner requirements above 20GPH. Install the bu[...]

  • Page 16

    16 Pr epar e the Bur ner for Star t-up Section: Prepare the Burner for Start-up Professional Installation and Service Required Incorrect installation and mishandling of start-up could lead to equipment malfunction and result in asphyxiation, explosion or fi re. This burner must be installed and prepared for start- up by a quali fi ed service tech[...]

  • Page 17

    17 CF2500/CF3500 Burner Manual T able 6. Initial Indicator Adjustment Plate Settings for Head & Damper Tu b e Head Position Damper Position Approximate Head Setting Firing Rate (gph) Approximate Air Damper Setting Firing Rate (gph) KP (CF2500A / CF2500) 0- - 0 - - 1 -- 10 8.00 2 -- 20 9.00 3 17.00 30 1 1.00 4 17.50 40 12.00 5 18.00 50 15.00 6 1[...]

  • Page 18

    18 Initial Air Settings If your burner was built for a speci fi c OEM application, the “Mfr ’s Settings” label (see Figure 1 ) will indicate the application and the initial air settings made at Beckett. Please verify those settings using the following procedure. If your burner was not built for a speci fi ed application, the following steps[...]

  • Page 19

    19 CF2500/CF3500 Burner Manual Star t the Bur ner Set Appliance Limit Controls Set the appliance limit controls in accordance with the appliance manufacturer ’s recommendations. Move the low- fi re hold switch (not shown) to the low fi re hold position. This will hold the burner in low fi re during initial start-up. Prepare the Fuel Unit for A[...]

  • Page 20

    20 number to reduce CO 2 by 2 percentage points at a zero smoke level. (Increase O 2 by 3 percentage points at a zero smoke level.) Example : Reduce CO 2 from 13.5% to 1 1.5%, with zero smoke (or increase O 2 from 2.5% to 5.5%). A margin of reserve air has been added to accommodate variable conditions. Check the breech draft pressure against the ap[...]

  • Page 21

    21 CF2500/CF3500 Burner Manual Annual Service — by quali fi ed service technician Replace the oil supply line fi lter . The line fi lter cartridge must be replaced to avoid contamination of the fuel unit and nozzle. Inspect the oil supply system. All fi ttings should be leak-tight. The supply lines should be free of water , sludge, and other [...]

  • Page 22

    22 R eplacement Par ts For best performance specify genuine Beckett replacement parts Item Description Description CF2500 Part No. CF3500 Part No. 1 Oil V alve Mounted on Junction Box 21789U 21789U 2 Knurled Nut All Models 3666 3666 3 Adjusting Plate Assembly w/ Stamped Sheet Metal Door 5201703U 5201703U 4 Fuel Pump J4P A-C10506 21529U 21529U 5 Dam[...]

  • Page 23

    23 CF2500/CF3500 Burner Manual 9 8 7 Figure 18 - Burner Replacement Parts 14 10 11 13 12 20 21 22 23 15 16 17 19 18 6 1 2 3 4 5 Figure 19 – Adjustable Mounting Plates Air T ube Model Flange A Flange B KP 51498 51630 KM 51498 51630 KR N/A 51631 Flange A Flange B[...]

  • Page 24

    USA: P .O. Box 1289 ● Elyria, Ohio 44036 Canada: R.W . Beckett Canada, Ltd. ● Unit #3, 430 Laird Road ● Guelph, Ontario N1G 3X7 www .beckettcorp.com Part Number 6104 BCF35 R14, Printed in the U.S.A. 09/10 The R. W . BECKETT CORPORA TION (“Beckett”) warrants to persons who purchase its “Products” from Beckett for resale, or for incorpo[...]