Beckett 21844 Fascicule

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BECKETT CLEANCUT 
BECKETT CLEANCUT INSTALLATION INFORMATION
INSTALLATION INFORMATION
GENERATION INFORMATION - ALL SYSTEMS
IMPORTANT INFORMATION   Long or oversized inlet lines may 
require the pump to operate dry during initial bleeding period.  In 
such cases, the priming may be assisted by injecting fuel oil in 
the pump gearset.  Under lift conditions, lines and fi ttings must be 
air  tight.  To assure this, oil-resistant pipe joint compound may be 
applied to both the used and unused inlet and both return fi ttings.  
2-
2-STAGE
STAGE  FUEL UNIT
FUEL UNIT
Part No. 21941
Part No. 21941
Please read and understand the manual supplied with this equip-
ment. This equipment must be installed, adjusted and put into 
operation only by a qualifi ed individual or service agency that is:
Licensed or certifi ed to install and provide technical service 
to oil heating systems.
Experienced with all applicable codes, standards and ordi-
nances.
Responsible for the correct installation and commission of 
this equipment.
Skilled in the adjustment 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 Na-
tional Fire Protection Association Standard for the installation of 
Oil-burning Equipment, NFPA 31 (or CSA-B139 and CSA-B140 
in Canada).
Regulation by these authorities take precedence over the general 
instructions provided in this installation manual.
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Incorrect installation, adjustment, or mis-
use of this burner could result in severe 
personal injury, death, or substantial prop-
erty damage from fi re, carbon monoxide 
poisoning, soot or explosion.
Professional Service Re-
quired
WARNING
!
Oil Leak & Fire Hazard
WARNING
!
The inlet and return line pressures must not exceed 3 psig, 
or pump seal damage and oil leaks could result! See NFPA 
31-25, 8.6.3.
Do not use a check valve in the inlet line of a 1-pipe system 
(with or w/o a boost pump), or in the return line of a 2-pipe 
system. 
NFPA 31-25, 8.5 states that ‘A return line from a burner or 
pump to a supply line shall have no valves or obstructions 
and shall enter the top of the same tank.’ 
Check valve fl ow restriction in a return line can elevate 
pressures and damage the fuel unit seals.  
Dangerous thermal expansion of oil trapped by an inlet 
line check valve can create extreme pressures that damage 
fuel unit seals, line fi ttings,  inlet  fi lters, gauges and other 
components. A properly installed vacuum safety valve, such 
as Suntec PRV-38, having accumulator effect and pressure 
relief to tank is acceptable in the inlet line.
Do not use tefl on tape or compression fi ttings.
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SINGLE STAGE
SINGLE STAGE  FUEL UNIT
FUEL UNIT
Part No. 21844
Part No. 21844
This pump must be used with 
a controlling device that pro-
vides a valve on delay (pre-purge).
!
!
CAUTION
MOUNTING POSITION  Beckett CleanCut fuel unit may be 
mounted in any position (except upside-down during single pipe 
installation).
VACUUM CHECK  A Vacuum Gauge may be installed in either 
of the 1/4”  NPT  inlet ports.  The Beckett CleanCut pump should 
be used where the vacuum does not exceed 6” hg. single pipe 
and 12” hg. two pipe. The Beckett CleanCut XL pump should be 
used where the vacuum is less than 17” hg.  Remember, running 
vacuum is the total of all pressure drops (eP) in the system from 
tank to inlet of pump.
 
PRESSURE CHECK When a pressure check is made use either 
the BLEED PORT OR NOZZLE PORT. 
CUTOFF CHECK To check cutoff pressure, dead head a pres-
sure gauge in nozzle port.  Run burner for short period of time.  
Shut burner off. The pressure will drop and hold above zero.
MOUNTING PUMP 
(If the shutter screw interferes 
with the solenoid on the fuel unit)
To install a CleanCut fuel unit on chassis with existing shutter tab 
see Figure 2 and follow these steps:
Remove existing fuel unit and solenoid valves, if applicable, and 
appropriately dispose of them.  
Note the air setting of the shutter, then remove the air shutter, set 
the shutter aside to be reinstalled.
R.W. BECKETT CORPORATION
U.S.A.: P.O. Box 1289 · Elyria, Ohio 44036
Canada: R.W. Beckett Canada, Ltd. · Unit #3, 430 Laird Road · Guelph, 
Ontario N1G 3X7
Form Number 61583 R07        © 2007 R.W. Beckett Corporation   10/07
DO NOT INSTALL 
THE TOP SHUTTER 
SCREW IF IT INTER-
FERES WITH THE 
SOLENOID ON THE 
FUEL UNIT.
SHUTTER TAB 
(REMOVE)
LOWER SHUT-
TER SCREW
Figure 2
 
O
 
O
 
4 GPH  100-150 PSI  3450 RPM
3 GPH  150-200 PSI  3450 RPM
VALVE ON DELAY
NO. 2 & LIGHTER FUEL
USE ONLY WITH
INLET
BY-PASS
Exclusively for Beckett
Made by Suntec
INLET
NO. 2 FUEL
A2EA-6520
Beckett 
FIGURE 1 
Figure 1