... defrosting Introduction VM (Vicot Modular units) are air cooled water chillers and heat pump unit, which is a new generation of modular ... -in self-diagnosable system, and is controlled by microcomputer.Application to hotels, villas, hospitals, cinemas, stadiums, recreations, office blocks, ... winter.4 Appearance The air cooled condenser can be placed in reverse “M” type or “U” type, which is ingenius, ...