Beckett Model 7505 Manual Do Utilizador

120v GeniSys Control Installation and Operation Manual

automatically return to standby mode.  

If prime is not established during the 
four minute pump prime mode, return 
to step 5 to re-enter Pump Prime 
mode.  Repeat steps 5 through 7 
until the pump is fully primed and the 
oil is free of bubbles.

Terminate the call for heat, and the 
control will resume normal operation.

If the Beckett 7505 control is equipped 
with the GeniSys Display Module, part 
52067U, the cad cell resistance can be 
selected and read on the LCD screen. 
Also, the GeniSys Contractor Tool, part 
52082U, can be used for this  purpose.

If these are not available, the cad cell 
leads can be unplugged from the control 
and the resistance measured with a 
meter in the conventional way.
Conduct these tests with fl ame present.

Flame Detection Range

Normal (0 - 1600 ohms)

Limited (1600 ohms to lockout)

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9.

Oil heating systems require annual 
service performed by a qualifi ed, 
professional service agency.  The 7505 
primary control should be inspected 
during this service routine according to 
the following checklist:

NOTE: The 7505 control has no 

serviceable internal parts.  Do not 

attempt to remove cover.
Inspect the exterior of the control. 

Replace the control if there is any 

sign of impact damage, water or 

corrosion.
Use a multimeter to test the line 

voltage at control L1 and L2.  It 

should be 102 - 132 Vac.
Inspect all external wiring for secure 

connections and verify insulation 

integrity.
Verify the control lockout and 

operation sequence, (Reference 

Startup/Checkout section).
Observe a full operating cycle to 

prove the sequence and timings are 

correct.
Replace any control that does not 

meet listed specifi cations with an 

equivalent replacement unit.

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Make necessary repairs or adjustment to 

ensure a safe start condition.
Ensure that the appliance is free of oil and oil 

vapors before starting or resetting the burner. 

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to limit accumulation of unburned oil in 
the combustion chamber.
To reset, hold the button down for 15 
seconds until the red light turns off and 
the yellow light turns on.
Always verify the control functions 
according to all specifi cations before 
leaving the installation site. 
Replace the control if it does not 
operate as specifi ed. 

Any time the burner is running, press 
and hold the reset button to disable the 
burner.  The burner will remain off as 
long as the button is held.

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If the control continues to lock out 
without a satisfi ed call for heat, or 
fails the motor relay check, the control 
enters Hard (restricted) Lockout in order 

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