... :R404/R22 Power supply: 3P/380V/50HZ(60HZ) The water chiller is designed of case type, totally-enclosed case shell, ... temperature and heat in -10°C temperature;Exclusive auxiliary electric heater (optional) It enables heat pump unit achieve optimal efficiency and ... , boasts low speed, low noise, excellent heat dissipation against dust, water spray, and ensures safe use. Sinocean newest best-seller ...