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This kit is provided with a step by step field service bulletin FSB10033.doc 8-10 Convection Circuit CONVECTION (BLOWER) MOTOR OPERATION The convection (blower) motor is a variable speed convection motor, which operates from zero rpm up to 7000 rpm. The blower motor speed is controlled by a SP200 AC/Delta drive control. The speed of the motor is directly proportional to the applied low voltage to the SP200 AC./Delta drive control from the control circuit card. The blower motor operates during wa