... and water tank cooling system, up to the ISO3046 standard2) The rated output: from 16kW (20kVA) to 120kW (150kVA)start eddiciency24V DC start ... water is over temperature, the oil pulls down, over speed, over load and over current b) Operation display: i) Unit voltage, ... tri-phase load current and frequency display ii) Water temperature, oil pressure display iii) ...