Siemens LME71.000A1 110V Burner Control Box
Siemens SKU: PHP9246
The burner control LME71.000A1 is a microprocessor-based unit with matching system components for the control and supervision of forced draft burners of medium to high capacity.
The fuel-air ratio can be set either via an air damper actuator - acting on mechanical or pneumatic ratio control - or via pulse width modulated fans and pneumatic ratio control. The flame supervision supervised with ionization probe and with UV flame detector QRA2..., QRA4.U or QRA10...
This control box has a designed lifetime* of 250,000 burner startup cycles which, under normal operating conditions in heating mode, correspond to approx. 10 years of usage (starting from the production date given on the type field).