Beckett AFII Manual De Usuario

Set the thermostat substantially above room 

temperature.
Close the line voltage switch to start the burner. 

If the burner does not start immediately you may 

have to reset the safety switch of the burner primary 

control.
Priming the Pump
Prepare the burner for priming by attaching a 

clear plastic hose over the bleed port fi tting and 

fully opening the pump bleed port.  Use a suitable 

container to collect purged oil.
Initiate a call for heat.
After the burner starts, press and hold the reset 

button for 15 seconds until the yellow light turns on.  

This indicates that the button has been held long 

enough.
Release the reset button.  The yellow light will turn 

off and the burner will start up again.
At burner start up, click the reset button while the 

igniter is still on.  This will transition the control 

to a dedicated Pump Prime mode, during which 

the motor, igniter, and valve are powered for four 

minutes.  The yellow light will be on.
Bleed the pump until all froth and bubbles are 

purged.  If desired, terminate the call for heat or 

hold the reset button for at least one second to exit 

Pump Prime mode and return to Standby.
At the end of 4 minutes, the yellow light will turn off 

and the control will automatically return to standby 

mode.  
If prime is not established during the four minute 

pump prime mode, return to the previous steps 

to re-enter Pump Prime mode.  Repeat Step 5 

until the pump is fully primed and the oil is free of 

bubbles..
For R7184 primary controls, see part number 61351 

or 61465, for special pump priming sequence.
Prepare for combustion tests by drilling a 1/4” 

sampling hole in the fl ue pipe between the 

appliance and the barometric draft regulator.
Initial air adjustment — Using a smoke tester, adjust 

the air dial (and change fi ring pin on HLX ATC’s, if 

necessary) to obtain a clean fl ame. Now the additional 

combustion tests with instruments can be made.

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Make connections to the control’s terminals as 
shown in Figures 8a and 8b.  Refer to the label on 
the underside of the control for wiring details.
Note: Motor-off delay on a 7505P will be disabled if 
the safety and operating limits as shown in Figures 
8a and 8b interrupt power to the control terminal L1.
Connect thermostat leads to the TR and TW 
terminals on the control or jumper the TR and TW 
terminals on the control, as directed by the appliance 
wiring diagram.

 

- Thermostat anticipator Current: 0.1 amp

 

- Thermostat voltage: 24 volts AC

Note that i

f the thermostat short cycles or operates 

improperly, it may require an isolation relay for proper 
operation.  The Beckett A/C Ready Kit (part no. 51950U) 
provides this function.  Wiring instructions are included 
with the A/C Ready Kit.

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could cause erratic cycling of the burner control.
Connect the wire from the R

H

 or R terminal on the 

thermostat to the TR terminal on the control.  Connect 
the wire from the W terminal on the thermostat to the TW 
terminal on the control.

Open the shutoff valves in the oil supply line to the 
burner.
Open the air dial. This is an initial air setting for 
the pump bleeding procedure only. Additional 
adjustments must be made with instruments.

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Allow the burner to run for approximately 5 to 10 
minutes.
Set the stack or over-fi re draft to the level specifi ed 
by the appliance manufacturer.

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Do not allow oil to spray into a hot combustion 
chamber while bleeding air from the pump.
Install a gauge in the nozzle discharge port tubing 
or fully open the pump bleed valve to prevent oil 
spray from accumulating in the combustion chamber 
during the air bleed procedure.
Ensure that all bubbles and froth are purged from the oil 
supply system before tightening the pump bleed valve.
Ensure that the appliance is free of oil and oil vapor 
before starting or resetting the burner.

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