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3

12Vdc SDC 

Burner Manual

Notice Special Requirements

If you discover damage to the burner 
or controls during unpacking, notify 

the carrier at once and 

fi

 le the appropriate claim.

When contacting Beckett for service 
information — Please record the 

burner serial number (and have available when calling or 
writing). You will 

fi

 nd the serial number on the silver label 

located on the left rear of the burner. See 

Figure 1

.

Section: Prepare Before Installing

Owner’s Responsibility

Incorrect installation, adjustment, and 

use of this burner could result in severe 

personal injury, death, or substantial 

property damage from 

fi

 re,  carbon 

monoxide poisoning, soot or explosion.

Contact a professional, quali

fi

 ed service agency for the 

installation, adjustment and service of your oil heating 

system.  This work requires technical training, trade 

experience, licensing or certi

fi

 cation in some states and 

the proper use of special combustion test instruments. 

Please carefully read and comply with the following 

instructions:

 

y

Never store or use gasoline or other 

fl

 ammable liquids 

or vapors near this burner or appliance. 

 

y

Never attempt to burn garbage or refuse in this 
appliance.

 

y

Never attempt to light the burner/appliance by throwing 
burning material into the appliance. 

 

y

Never attempt to burn any fuel not speci

fi

 ed  and 

approved for use in this burner.

 

y

Never restrict the air inlet openings to the burner or 
the combustion air ventilation openings in the room.

Impaired Burner Performance 
and Fire Hazard.

Do NOT operate the burner beyond speci

fi

 cations 

outlined in the following Table.

 

y

For applications beyond these limits, consult Beckett 
Technical Service at 1-800-645-2876.

 

y

NOTE: Some packaged appliances with burners 
may be agency listed as a unit to operate beyond 
these limits. Consult the appliance manufacturer’s 
speci

fi

 cations and agency approvals for veri

fi

 cation. 

General Speci

fi

 cations

Capacity

‘F’ Head

Firing rate: 1.75 – 5.50 GPH
Input: 245,000 - 770,000 Btu/h

Fuels

USA:

  No. 1 or No. 2 diesel fuel or kerosene; 

No.1 or No. 2 heating oil (ASTM D396)

  

DO NOT USE 

GASOLINE, CRANKCASE OIL, OR 
ANY OIL CONTAINING GASOLINE.

Electrical

Power supply:

 13.5 VDC

Operating load:

 25 Amps (Actual draw could 

be less depending on application)

Motor:

 13.5 VDC, 1/4 hp, 3450 rpm,18.75 

Amps (max.), NEMA “M” 

fl

 ange, rotation 

CCW when facing shaft end.

Ignition Secondary:

 20KVpk 25mA 

Interrupted duty OR optional continuous 

duty, solid-state ignition

Pump

Outlet pressure:

 Note 1

Air tube

ATC code:

 See 

Table 1

.

Dimensions

Height (maximum):

 12-1/2 inches

Width (maximum):

 14-7/8 inches

Depth (chassis only):

 8-1/2 inches

Ambient 
Operating 
Temperature 

+32° F. (0° C.) Minimum  
+115° F. (+46° C.) Maximum 
(See Warning on Impaired Burner Perfor-
mance and Fire Hazard.)

Note 1. See equipment manufacturer’s burner speci

fi

 cations 

for recommended outlet pressure. Pressure is 100 psig unless 

otherwise noted.

Prepare Before Installing

Summary of Contents for 12Vdc SDC

Page 1: ...art up or service work y READ THESE INSTRUCTIONS AND SAVE FOR REFERENCE Incorrect installation adjustment or misuse of this burner could result in death severe personal injury or substantial property...

Page 2: ...Coupling Replacement 9 B Pump Maintenance 10 C Solenoid Valve Testing 10 Start Up Burner Set Combustion 10 A Basic Burner Operation 10 B Combustion Set up 11 C Set Combustion with Instruments 11 Main...

Page 3: ...this burner y Never restrict the air inlet openings to the burner or the combustion air ventilation openings in the room Impaired Burner Performance and Fire Hazard Do NOT operate the burner beyond s...

Page 4: ...Information Nozzle Assembly Maintenance Adequate Voltage Required A low or erratic power supply could result in impaired burner operation severe delayed ignition or an explosion inside the heat excha...

Page 5: ...mple A 1 00 gph nozzle at 140 psig 1 18 gph Securely tighten the nozzle 90 torque inch pounds For typical nozzle flow rates at various pressures refer to Table 2 Use care when removing or installing a...

Page 6: ...while handling To ease removal of short assemblies it may be necessary to loosen the escutcheon plate Reset to the edge of the label 5 To replace the nozzle line assembly reverse the above steps E Ch...

Page 7: ...urner installed on equipment Refer to appliance manufacturer s wiring diagram for electrical connections B Burner Replacement Burner wiring may vary depending on the actual primary control and furnish...

Page 8: ...to be sized to prevent a voltage drop between battery and burner with burner running at full load 2 Motor runs continuously in normal confi guration 3 Hard wire burner ground to battery DO NOT USE CH...

Page 9: ...rner and perform the combustion test described previously in this manual Figure 7 Blower Wheel Section Drive Component Maintenance CENTER WHEEL FOR EQUAL DISTANCE FROM HOUSING SIDES Figure 6C Typical...

Page 10: ...ion A Basic Burner Operation Typical Constant Duty Ignition Configuration With this Beckett ADC oil burner configuration the motor and igniter operate continuously while the valve that controls oil fl...

Page 11: ...ustment of oil burners using combustion test instruments The installation must strictly comply with all applicable codes authorities having jurisdiction and the latest revision of the National Fire Pr...

Page 12: ...triction Clean the equipment thoroughly according to the manufacturer s recommendations Check the burner performance using test instruments It is good practice to make a record of the service performe...

Page 13: ...l in the tank In addition to normal mechanics tools it is recommended to have the following equipment on hand Meter capable of measuring volts ohms and amps ignition transformer tester smoke pump test...

Page 14: ...ibilities 1 Check voltage at the motor to insure that switches and relays in line with the motor are operating properly Refer to section Burner Wiring 2 Check pump and motor shaft operation They shoul...

Page 15: ...4 9 Oil Valve Specify 10 Brass Elbow 2256 11 Cord Set Valve 21807 12 Splined Nut 3666 Illustration Description Part 13 Escutcheon Plate 3493 14 Electrode Kit over 3 5 8 578731 15 Cad Cell Detector 700...

Page 16: ...copy of warranty form 61545 please choose one of the following options 1 Visit our website at www beckettcorp com warranty 2 Email your request to rwb customer service beckettcorp com 3 Write to R W...

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