... .25kw~29.1 kw, Evap.temp.7.2°C3. The unit runs with better efficiency,using water as the cooling and ... room get cooling and heating air with connection to the inner unit.5. Less investment cost,without large air conduit or any ... space for facilities.6. Longer life than air-cooled refrigeration unit.7. Tranformer 50VA,printed circuit board, contactor,capacitor and fan ...