Calculation result: if H is positive, the pump is installed in a suction way, otherwise, it is installed in the downdraft way.
Ihe nchịkọta: ma ọ bụrụ na H dị mma, a na-etinye mgbapụta ahụ n'ụzọ dị mma, ma ọ bụghị ya, a na-arụ ya na ụzọ ịdọrọ.