An "OL" code typically indicates a motor overload

and Unitary Products equipment

You can generally upsize to a 1 HP motor if the frame size and electrical specifications align

typically in R22 commercial systems

Sporlan 903073P Valve 319847-401 An "OL" code typically indicatesThe Sporlan 903073P is a high performance LAC 5 210 head pressure control valve (Low Ambient Control) designed to maintain consistent system operation during low outdoor temperatures. This 7 8" ODF sweat connection valve is factory set at 210 PSI, acting as a three way modulating control that regulates refrigerant flow between the condenser and the receiver. By restricting liquid flow from the condenser and bypassing hot discharge gas directly to the