... , one master units could with 7slave units central air conditioner, Modular air source heat pump(60kw,80kw,100kw-825kw), installation flexible, easy ... Evaporator built with high efficiency tube in tube type heat exchanger, factory insulated with flexible close cell material.Condenser ... stadiums, recreations, office blocks, factories and so on., central air conditioner(modular air source heat pump)