... contained,direct-expansion, seawater-cooled,reverse-cycle air conditioning designed for marine use.This series of OC-Z Unit ... 36,000BTU/H220V/50HZ,380V/50HZ optionalUsing scroll compressor, high efficiencyHidden Installation,can be installed in a cabinet, ... the components and parts of Ocean air conditioners and services of commission, repair, maintenance and overhaul for users. Marine Air Conditioner