EHS MANCHESTER PORTABLE Air Conditioning Unit Model WA-903 - £128.00. FOR SALE! No instruction manual but this is available to print on-line. Never unplug the air conditioner while it is working, this could damage the electronic circuits. 12. DO NOT use the appliance in a wet room, such as a bathroom SERVICE MANUAL. 115V / 60Hz. PORTABLE AIR CONDITIONER. HAIER AMERICA. R. Importantpointsonservice, and operating WA-903. TIMER. THERMOSTAT. COOLING. View and Download Haier AP075M service manual online. 115V / 60Hz. AP075M air conditioner pdf manual download. Air Conditioner Manuals for a range air conditioners Fallon Solutions deal with. Brands include Mitsubishi Electric, Daikin, Samsung air conditioners.