Model Number:

Hey all,I have a portable swamp cooler that has wires inside that are disconnected from the control board.there is a blue wire with the letter N printed on the board,there is also a red wire with letter L next to it and white wire with the word pump on it.the water pump is disconnected and has a blue and brown wire on it,I have no idea what goes to what.i have had no luck finding online technical info there is no brand name on the unit only a model#FL-1602R.any help appreciated out there? thanks